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Preprint ARTICLE | doi:10.20944/preprints202103.0515.v1

Modeling Pulsed High-Power Spikes to Drive Piezoelectric Broadband Transducers Improving SNR in Ultrasonic Imaging & NDE

Antonio Ramos, Abelardo Ruiz, Enrique Riera

Subject: Computer Science And Mathematics, Mathematics Keywords: efficient ultrasonic transceivers, broadband piezoelectric transducers, industrial NDE, medical imaging, pulsed high-power spikes, HV capacitive-discharge pulsers, high-current driving, high dynamic range.

Online: 22 March 2021 (11:16:39 CET)

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Preprint ARTICLE | doi:10.20944/preprints202405.0480.v1

Stress-Induced Refractive Index Change of Eu:Y2SiO5: A Theoretical Approach

Amin Mirzai, Aylin Ahadi

Subject: Applied Physics, Physical Sciences Keywords: Refractive index; resonance frequency; DFT; optical path length; elasto-optic constants

Online: 9 May 2024 (12:17:47 CEST)

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Preprint ESSAY | doi:10.20944/preprints202404.0506.v1

Neural Networks through the Lens of Evolutionary Dynamics

Dan C. Baciu

Subject: Computer Science And Mathematics, Applied Mathematics Keywords: Evolutionary dynamics; Neural Networks; Self-attention; Variation-selection; Frequency Dependent Selection

Online: 8 April 2024 (06:11:15 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202402.0480.v1

Based on Absolute Airspace Reference System Analysis of Doppler Effect of Light (Electromagnetic Wave)

Shandong Zhao, Yijia Zhao

Subject: Physical Sciences, Optics And Photonics Keywords: absolute airspace; Doppler effect; Time shift effect; Time-frequency relation; anisotropy

Online: 8 February 2024 (07:31:59 CET)

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Preprint ARTICLE | doi:10.20944/preprints202311.1878.v1

Effects of Recurrent Selection on Population Structure and Allele Frequencies in the M3S Maize Population

Miroslav Bukan, Ana Mandić, Vinko Kozumplik, Ramsey S. Lewis, Domagoj Šimić, Hrvoje Šarčević

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: maize; recurrent selection; grain yield, allele frequency, population structure, SSR markers

Online: 29 November 2023 (10:40:55 CET)

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Preprint ARTICLE | doi:10.20944/preprints202308.1733.v1

A Comprehensive Study to Select a Cost-Effective Beam Design for Maximizing Power Density in a Cantilever Beam-Based Energy Harvester

Md Mohiuddin, Zahir Ahmed, Riaz Ahmed

Subject: Engineering, Mechanical Engineering Keywords: Energy harvesting; Cantilever beam; Maximizing power output; Resonance frequency; Geometric configuration

Online: 24 August 2023 (08:53:55 CEST)

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Cantilever beams are the most widely used form of strain-driven energy harvesting, which uses piezoelectric materials. Although researchers are constantly seeking improved power output from cantilever-beam-driven piezoelectric energy harvesters, a systematic and fundamental analysis of the effect of beam geometry on the power capacity of energy harvesters warrants further investigation. Most of the previous research accounts for beams that are fully coated with piezoelectric material. While a larger coating area increases energy output, it also escalates costs as piezoelectric materials are very expensive. Considering the high cost of piezoelectric materials when dealing with limited piezoelectric material, enhancing power output can be achieved by employing a larger base beam and coating a portion of it at the fixed end. As such, the aim of this work is to investigate a wide variety of cantilever beam shapes (e.g., trapezoidal, triangular, V-cut, concave, and convex) with partial piezoelectric material coating on the base beam to maximize the power output capacity of the harvester. To ascertain a comparable argument, the surface area, volume, and mass of all the considered beam shapes are kept consistent, as these parameters influence the power output of the harvester. The geometry of each shape is systematically varied to understand the effect of geometric configuration on the output power density. Finally, the power capacities of all types of beams are compared, and a design is proposed to obtain the maximum power output. It was found that when the surface area of both the beam and piezoelectric material is kept constant and piezoelectric material is located at the fixed end, a trapezoidal beam with a smaller base width and larger free end width is the most efficient in generating power as long as the structural integrity is maintained. The finding is completely opposite as was suggested by previous studies, which proposed that a trapezoidal beam with a smaller free end yields higher output. Instead, this study demonstrates that an inverted trapezoidal beam produced higher output, considering partial coating compared to the full beam coating used in previous studies. Additionally, a correlation is presented on how the beam resonance frequency shifts with variation in beam parameters.

Preprint ARTICLE | doi:10.20944/preprints202304.0835.v1

Determination Method of Kinetic Parameters of Strength Recovery in Self-Healing Ceramic Composites

Mostafizur Rahman, Maeda Taiyo, Toshio Osada, Shingo Ozaki

Subject: Engineering, Mechanical Engineering Keywords: self-healing ceramics; oxidation kinetics; activation energy; frequency factor; strength recovery

Online: 24 April 2023 (08:54:26 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202303.0354.v1

High Efficiency and High Stability for SHG in a Nd : YVO₄Laser with a KTP Intracavity and Q-switching through Harmonic Modulation

Samuel Mardoqueo Afanador Delgado, Juan Hugo García López, Rider Jaimes Reátegui, Vicente Aboites, José Luis Echenausía Monroy, Guillermo Huerta-Cuellar

Subject: Biology And Life Sciences, Forestry Keywords: Nd : YVO4 laser; Second Harmonic Generation; Q-switched Lasers; Frequency doubled

Online: 20 March 2023 (08:51:44 CET)

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Preprint ARTICLE | doi:10.20944/preprints202206.0277.v1

Fuzzy Artificial Intelligence Based Control Strategy Applied to an Electromagnetic Frequency Regulator in Wind Generation Systems

Daniel C. C. Crisóstomo, Thiago F. Do Nascimento, Evandro A. F. Nunes, Elmer Villarreal, Ricardo Pinheiro, Andrés Salazar

Subject: Engineering, Control And Systems Engineering Keywords: Speed control; Fuzzy Controller; Electromagnetic Frequency Regulator (EFR); Wind Energy; Photovoltaics

Online: 21 June 2022 (03:39:16 CEST)

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Preprint REVIEW | doi:10.20944/preprints202206.0261.v1

Signal-Based Methods in Dielectrophoresis for Cell Separation

Malihe Farasat, Ehsan Aalaei, Saeed Kheirati Ronizi, Atin Bakhshi, Shaghayegh Mirhosseini, Jun Zhang, Nam-Trung Nguyen, Navdi Kashaninejad

Subject: Engineering, Industrial And Manufacturing Engineering Keywords: Dielectrophoresis; Microfluidics; Cell separation; Particle sorting; Clausius-Mossotti factor; Crossover frequency

Online: 20 June 2022 (09:19:42 CEST)

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Preprint REVIEW | doi:10.20944/preprints202203.0294.v1

Meal Timing, Meal Frequency and Metabolic Syndrome

Fatema Alkhulaifi, Charles Darkoh

Subject: Biology And Life Sciences, Virology Keywords: meal timing; meal frequency; skipping meals; fasting; obesity; metabolic syndrome; diabetes

Online: 22 March 2022 (04:20:50 CET)

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Preprint ARTICLE | doi:10.20944/preprints202109.0191.v1

Detecting Branching Condition Changes in Process Models

Yang Lu, Qifan Chen, Simon K. Poon

Subject: Computer Science And Mathematics, Information Systems Keywords: Process science; Data science; Concept drift detection and Branching frequency changes

Online: 10 September 2021 (15:44:14 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202102.0152.v1

Prevalence of Color Vision Deficiency among Medical Students

Muhammad Zunair Aziz, Muhammad Moeez Uddin, Umar Farooque, Rizwan Farooque, Sundas Karimi

Subject: Medicine And Pharmacology, Immunology And Allergy Keywords: color vision deficiency; medical students; ishihara plates; humans; incidence; prevalence; frequency

Online: 5 February 2021 (09:58:31 CET)

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Introduction Color vision deficiency (CVD) constitutes one of the frequently observed eye disorders in all human populations. Color is a prominent sign utilized in the medical profession to study and identify histopathological specimens, lab instruments, and patient examination. Color deficiency affects the medical skills of students resulting in poor clinical examination and color appreciation. There is no effective screening of CVD at any level of the medical profession. Hence, this study was aimed to determine the prevalence of CVD among medical students. Materials and methods This was a cross-sectional study conducted from September 2019 to February 2020 over a period of six months in Karachi, Pakistan. All medical students aged 18-21 years of either gender enrolled in the first and second years of medical college were included in this study. The examination was performed during daylight. Ishihara plates were placed at a distance of 75 cm from the subject and tilted so that the plane of the paper lies perpendicular to the line of vision. Students were given five seconds to read the plate and one examiner was instructed to mark the checklist. A score of less than 12 out of 14 red/green test plates (not including the demonstration plate) was considered as a CVD. All statistical analysis was performed using Statistical Package for Social Sciences version 20.0 (Armonk, NY: IBM Corp). Results The mean age of the medical students was 19.61± 1.22 years. There were (n=123) 53.0% females and (n=111) 47.0% males. Most of the medical students (n=131, 56.0%) belonged to the upper-middle-class socioeconomic group. CVD was observed in (n=13) 6.0%of medical students. Age (p=0.001) and socioeconomic status (p=0.001) were the only demographic factors significantly associated with color deficiency. Conclusions Color deficiency, although an unnoticed concern, is fairly common among medical students. Medical students must be screened for CVD as this will enable them to be aware of their limitations in their future observational skills as a doctor and devise ways of overcoming them in clinical practice.

Working Paper REVIEW

Review of Photonic Microwave and Radio Frequency Channelizers based on Optical Kerr Micro-combs

mengxi tan, xingyuan xu, David Moss

Subject: Physical Sciences, Optics And Photonics Keywords: Kerr micro-combs; microwave photonics; signal channelization; integrated optical frequency combs

Online: 12 November 2020 (08:53:59 CET)

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Working Paper ARTICLE

Optimization of the High Aspect Ratio Wing with Position and Distribution of Aileron Mass on the Speed and Frequency

mohammad ghalandari, Ibrahim mahariq, Zaher Al barakeh

Subject: Engineering, Energy And Fuel Technology Keywords: Flutter Speed; Flutter Frequency; Composite Wing; Aileron; multi-disciplinary optimization method

Online: 11 September 2020 (09:37:22 CEST)

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Working Paper CONCEPT PAPER

Mutation Profile of Over 4,500 SARS-CoV-2 Isolations Reveals Prevalent Cytosine-to-Uridine Deamination on Viral RNAs

Wenqing Jiang

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: SARS-CoV-2; 4521 lines; mutations; MAF (minor allele frequency); deamination

Online: 19 April 2020 (07:05:58 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201907.0011.v1

An Efficient FPGA-based Frequency Shifter for LTE/LTE-A Systems

Felipe Augusto Pereira de Figueiredo

Subject: Engineering, Telecommunications Keywords: LTE, LTE-A, 4G, PRACH, NCO, time-domain frequency shift, FPGA

Online: 1 July 2019 (11:52:58 CEST)

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Preprint ARTICLE | doi:10.3390/sci1010003.v1

An Experiment-Based Methodology for Evaluating the Impacts of Full Bandwidth Load on the Hybrid Energy Storage System for Electrified Vehicles

Masood Shahverdi, Michael Mazzola, Matthew Doude, Quintin Grice, Jim Gafford, Nicolas Sockeel

Subject: Engineering, Electrical And Electronic Engineering Keywords: hybrid energy storage; energy efficiency; frequency domain analysis; hybrid electric vehicles

Online: 1 November 2018 (00:00:00 CET)

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Preprint ARTICLE | doi:10.20944/preprints201809.0295.v2

Exact Analytical Solution for Free Axisymmetric and Non-Axisymmetric Vibrations of FGM Porous Circular Plates

Krzysztof Kamil Żur, Piotr Jankowski

Subject: Engineering, Mechanical Engineering Keywords: FGM porous circular plate; free vibration; exact solution; multiparametric frequency equations

Online: 18 October 2018 (06:23:35 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201809.0396.v1

Finding the Planck Length Independent of Newton's Gravitational Constant and the Planck Constant: The Compton Clock Model of Matter

Espen Haug

Subject: Physical Sciences, Mathematical Physics Keywords: planck length; planck constant; newton's gravitational constant; compton frequency; schwarzschild radius

Online: 20 September 2018 (05:01:28 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201806.0278.v1

Parameter Identification of Low Frequency Oscillation Based on Fourier Synchrosqueezing Transform

wenbo wang, yunyu Jin, bin wang, qi di, min yu

Subject: Engineering, Electrical And Electronic Engineering Keywords: Fourier-based synchrosqueezing transform; low frequency oscillation; instantaneous parameters; damping ratio

Online: 18 June 2018 (16:07:35 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201711.0136.v1

Structure and Composition of Plant Vegetation in Urban Area of Dhaka South City Corporation, Bangladesh

Md. Shahariar Jaman, Ishrat Jahan, Mahbuba Jamil, Md. Golam Jilani Helal, Md. Shariful Islam, Md. Javed Azad, Md. Forhad Hossain

Subject: Environmental And Earth Sciences, Environmental Science Keywords: diameter at breast height; basal area; frequency; density; important value index

Online: 21 November 2017 (03:43:54 CET)

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Preprint ARTICLE | doi:10.20944/preprints201704.0184.v1

Design of Single Phase SiC Bidirectional DC-AC Converter with Low-Cost PLL for Power Factor Correction

Alexandre Bento, Sérgio André, Ricardo Luís, J. Fernando Silva

Subject: Engineering, Electrical And Electronic Engineering Keywords: SiC bidirectional AC-DC converter; inverter; variable frequency; PLL; LCL filter

Online: 28 April 2017 (05:06:38 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202310.2018.v1

Is Frequency of Practice of Different Types of Physical Activity Associated with Health and a Healthy Lifestyle at Different Ages?

Liudmila Liutsko, Sergey Leonov, Alexander Pashenko, Irina Polikanova

Subject: Public Health And Healthcare, Physical Therapy, Sports Therapy And Rehabilitation Keywords: healthy life style; physical activity; frequency of practicing of physical activity; BMI; tobacco consumption; alcohol consumption; doctor’s visits; visits to psychiatrists, moderate-to-high-intensity sports, low-to-moderate-intensity sports; leisure activity

Online: 31 October 2023 (09:53:20 CET)

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Preprint REVIEW | doi:10.20944/preprints202401.1521.v1

Cardiovascular Benefits of High-Intensity Interval Training in Patients with Hypertension: A Systematic Review

Priyanka Yelavarthy, Binay Panjiyar, Pragathi Yelavarthy, Sriharsha Lankala

Subject: Medicine And Pharmacology, Clinical Medicine Keywords: hypertension; cardiac complications; high-intensity interval training in hypertension; high blood pressure; hypertension; cardiovascular diseases

Online: 19 January 2024 (16:02:16 CET)

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Preprint ARTICLE | doi:10.20944/preprints202309.0543.v1

Research and Application of a High-pressure, Large-flow and High-water-based Mining Digitally Controlled Unloading Valve

Xiaochun Zhang, Jiyun Zhao

Subject: Engineering, Control And Systems Engineering Keywords: mining unloading valve; high pressure; large flow; high-water-based fluid; digitally controlled unloading valve

Online: 8 September 2023 (05:09:06 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202307.1004.v1

Cuban Policosanol (Raydel®) Exhibited Potent Anti-inflammatory Activity in the Liver and Protection of the Ovary and Testis with an Improvement of Blood Lipid Profile by 12 Weeks Supplementation in Hyperlipidemic Zebrafish: Comparison Study of Efficacy with Three Chinese Policosanols

Kyung-Hyun Cho, Ji-Eun Kim, Seung Hee Baek

Subject: Biology And Life Sciences, Life Sciences Keywords: Policosanol; high cholesterol diet; high-density lipoproteins; apoA-I; inflammation; interleukin-6; liver; testis; ovary

Online: 14 July 2023 (09:27:04 CEST)

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Although many policosanols from different sources, such as sugar cane, rice bran, and insects, have been marketed worldwide, there has been no comparative study of the in vivo efficacy using a hyperlipidemic animal model. This study compared the efficacy of treating dyslipidemia with four different policosanols, including one sugar cane wax alcohol from Cuba (Raydel®) and three policosanols from China (Xi’an Natural sugar cane, Xi’an Realin sugar cane, and Shaanxi rice bran) in hyperlipidemic zebrafish. After 12 weeks of consumption of each policosanol (final 0.1% in diet, wt/wt) and high cholesterol diet (HCD, final 4%, wt/wt) in a tetrabit, the Raydel policosanol group and Xi’an Natural policosanol group showed the highest survivability of approximately 81%, whereas the Xi’an Realin policosanol group and Shaanxi policosanol group showed 57% and 67% survivability, respectively. Among five HCD groups, the Raydel policosanol group showed the lowest serum total cholesterol (TC, p<0.001 versus HCD control) and triglyceride (TG, p<0.001 versus HCD control) with the highest percentage of high-density lipoproteins (HDL)-C in TC. The Raydel policosanol group also showed the lowest serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels with the least infiltration of inflammatory cells and interleukin-6 production in hepatocytes. In the ovary, the Raydel policosanol group also showed the highest contents of mature vitellogenic oocytes with the lowest production of reactive oxygen species and cellular apoptosis in ovarian cells. In the testis, the Raydel policosanol group also showed the healthiest morphology for spermatogenesis with the least interstitial area and reactive oxygen species (ROS) production in testicular cells. In conclusion, 12 weeks of Raydel policosanol consumption resulted in remarkable improvement of the blood lipid profile, amelioration of inflammation in the liver, and enhancement of the cell morphology in the ovary and testis with the highest survivability under the HCD.

Preprint ARTICLE | doi:10.20944/preprints202007.0120.v1

Microstructure and Composition Evolution of a Fused Slurry Silicide Coating on MoNbTaTiW Refractory High-entropy Alloy in High-temperature Oxidation Environment

Jiesheng Han, Bo Su, Junhu Meng, Aijun Zhang, Youzhi Wu

Subject: Chemistry And Materials Science, Surfaces, Coatings And Films Keywords: refractory high-entropy alloys; fused slurry method; silicide coating; Si-20Cr-20Fe; high-temperature oxidation

Online: 7 July 2020 (09:43:24 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202004.0106.v1

Meta-Analysis of Fiber Impact on Mechanical Properties of Ultra-High Performance Concrete

Faiq M. Al-Zwainy

Subject: Engineering, Civil Engineering Keywords: Meta-analysis; Effect size; Precision; Ultra-high strength concrete; Ultra-high strength fiber reinforced concrete

Online: 7 April 2020 (13:28:16 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201909.0322.v1

Comparative Analysis of Compiler Performances and Program Efficiency

Paul Tawo Bukie, Chinedu Leonard Udeze, Iwara Ofem Obono, Edim Bassey Edim

Subject: Computer Science And Mathematics, Computer Science Keywords: java virtual machine (jvm); high level programming languages; high performance computing (hpc); php framework; compiler

Online: 29 September 2019 (05:01:46 CEST)

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Preprint CONCEPT PAPER | doi:10.20944/preprints202106.0486.v1

The Oxygen Transport Triad in High Altitude Pulmonary Edema: a Perspective from the High Andes

Gustavo Zubieta-Calleja, Natalia Zubieta-DeUrioste

Subject: Medicine And Pharmacology, Immunology And Allergy Keywords: high altitude, chronic hypobaric hypoxia, physiologic adaptation, travel to high altitude cities, high altitude physiology, pulmonary hypertension, lung disease, hemoglobin, tolerance to hypoxia, oxygen content.

Online: 18 June 2021 (15:22:04 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202110.0235.v1

The Challenge of Converting “Failed Spinal Cord Stimulation Syndrome” Back to Clinical Success, Using SCS Reprogramming as Salvage Therapy, Through Neurostimulation Adapters Combined with 3D-Computerized Pain Mapping Assessment. A Real-Life Retrospective Cohort Analysis

Philippe Rigoard, Amine Ounajim, Lisa Goudman, Tania Banor, France Héroux, Manuel Roulaud, Etienne Babin, Bénédicte Bouche, Philippe Page, Bertille Lorgeoux, Sandrine Baron, Nihel Adjali, Kevin Nivole, Mathilde Many, Elodie Charrier, Delphine Rannou, Laure Poupin, Chantal Wood, Romain David, Maarten Moens, Maxime Billot

Subject: Medicine And Pharmacology, Clinical Medicine Keywords: Spinal Cord Stimulation; rescue therapy; salvage therapy; new waveforms; paresthesia-free waveforms; High-Frequency stimulation; Burst stimulation; spatial neural targeting; temporal neural targeting; SCS programming; adapter; mapping software; paresthesia coverage; patient outcome; salvage algorithm

Online: 18 October 2021 (10:04:52 CEST)

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Preprint COMMUNICATION | doi:10.20944/preprints202402.1610.v1

Exceptional Lithography Sensitivity Boosted by Hexafluoroisopropanols in Photoresists

Junjun Liu, Dong Wang, Yitan Li, Haihua Wang, Huan Chen, Qianqian Wang, Wenbing Kang

Subject: Chemistry And Materials Science, Materials Science And Technology Keywords: Hexafluoroisopropanol; high-sensitivity; photoresist; photoacid generation

Online: 28 February 2024 (08:04:18 CET)

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Preprint REVIEW | doi:10.20944/preprints202307.1092.v1

Survey on Fungi in Antarctica and High Arctic Regions, and Their Impact on Climate Change

Masaharu Tsuji

Subject: Environmental And Earth Sciences, Ecology Keywords: Antarctica; High Arctic; fungi; climate change

Online: 17 July 2023 (09:48:48 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202211.0353.v1

The Relationship between Association between Blood Pressure and Risk of Cancer Development

Nikolaos Tzenios, Mary Tazanios, Mohamad Chahine

Subject: Medicine And Pharmacology, Oncology And Oncogenics Keywords: high blood pressure; Cancer; malignancies; hypertension

Online: 18 November 2022 (10:05:11 CET)

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Background of the Study: We investigated the link between hypertension and cancer since it has been suggested that hypertension may raise the long-term risk of cancer. Previous large observational cohort studies found that greater blood pressure (BP) was related to a higher risk of cancer. Mendelian randomization (MR) was utilized to produce less confounded blood pressure estimates (BP) on overall and site-specific malignancies. The study aims to draw conclusions on the relationship between high blood pressure and cancer. Methods: Studies on high blood pressure and various malignancies are inconclusive, except for renal cell carcinoma. However, given that most meta-analyses only contained a limited number of trials, some relative risks had small to moderate magnitudes, and several may have been impacted by residual confounding, careful interpretation is necessary. The study was conducted using the meta-analysis technique. Cochran's Q test and I2 test were used to assess statistical heterogeneity between studies in the current investigation for research involving two or more cause and outcome combinations. Results: Positive correlations were also reported between high blood pressure and esophageal adenocarcinoma, squamous cell carcinoma, liver, and squamous cell carcinoma. However, most studies lacked multivariable adjustments. Physical and numerical risk of cardiovascular disease is linked to bowel cancer but no other cancers. According to a meta-analysis, hypertensive persons could also be at increased danger of gastrointestinal and breast cancer. Most meta-analyses comprised several trials with moderate or mild hazard ratios.ConclusionDifferent types of cancers have been noted to be directly caused by hypertension. In addition, some treatments have also been associated with the side effects of cancer treatments to cause hypertension. Women facing hypertension have an increased risk of getting breast cancer. Although some cancers showed a real relationship with hypertension, others had no connection at all.

Preprint ARTICLE | doi:10.20944/preprints202104.0598.v1

Influence of Chromium Concentration on the Abrasive Wear Of Ni-Cr-B-Si Coatings Applied by High-Velocity Oxygen Fuel

Zhetcho Doinov Kalitchin, Mara Krumova Kandeva, Yana Petrova Stoyanova

Subject: Chemistry And Materials Science, Biomaterials Keywords: high-velocity oxygen fuel; chromium; abrasion

Online: 22 April 2021 (09:24:14 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202104.0493.v1

Integral Order Photonic RF Signal Processors Based on Kerr Micro-combs

Mengxi Tan, Xingyuan Xu, David Moss

Subject: Engineering, Automotive Engineering Keywords: microcombs; filters; high bandwidth; RF photonics

Online: 19 April 2021 (13:51:34 CEST)

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Preprint REVIEW | doi:10.20944/preprints202104.0178.v1

Dyad Model as a Caring Innovation in High Risk Pregnancy

Sri Wahyuni, Moses Glorino Rumambo Pandin

Subject: Medicine And Pharmacology, Immunology And Allergy Keywords: Dyad Model; Caring; High Risk Pregnancy

Online: 6 April 2021 (13:30:25 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202104.0162.v1

Tunable Broadband RF Photonic Fractional Hilbert Transformer Based on a Soliton Crystal Microcomb

Mengxi Tan, Xingyuan Xu, David Moss

Subject: Engineering, Automotive Engineering Keywords: microcombs; filters; high bandwidth; RF photonics

Online: 6 April 2021 (10:06:50 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201805.0069.v3

Investigation of Constraints to be Occured in Participation to the Leisure Activities of High School Students: Sample of Turkey

Cihan Ayhan, Nurullah Emir Ekinci, Ilimdar Yalcin, Sihmehmet Yigit

Subject: Social Sciences, Behavior Sciences Keywords: high school; student; leisure; leisure constraints

Online: 18 May 2018 (05:54:20 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201704.0062.v1

Prognostic Significance of High Survivin Expression in Patients with Gastrointestinal Cancer: A Meta-Analysis

Pingping Xu, Jiajia Lin, Qi Lin, Dexiang Zhu, Wentao Tang, Zhengchuan Niu, Mi Jian, Yanru Wang, Chunmin Liang, Jianmin Xu

Subject: Medicine And Pharmacology, Gastroenterology And Hepatology Keywords: survivin; high expression; gastrointestinal cancer; prognostic

Online: 11 April 2017 (10:51:06 CEST)

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Preprint REVIEW | doi:10.20944/preprints202312.1070.v1

Highlights of the Magic Florian Goebel Telescopes in the Study of Active Galactic Nuclei

Marina Manganaro, Dijana Dominis Prester

Subject: Physical Sciences, Astronomy And Astrophysics Keywords: γ -ray astrophysics; Active galactic nuclei; very-high-energy gamma rays; non-thermal; high energy astrophysics

Online: 14 December 2023 (08:32:44 CET)

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Preprint REVIEW | doi:10.20944/preprints202008.0496.v1

A Review for Southern Highbush Blueberry Alternative Production Systems

Yang Fang, Gerardo H. Nunez, Mariana Neves da Silva, Douglas A. Phillips, Patricio R. Munoz

Subject: Biology And Life Sciences, Horticulture Keywords: Vaccinium corymbosum interspecific hybrids; high tunnel; greenhouse; plant factory; non-dormant; substrate; container; evergreen; high density

Online: 24 August 2020 (02:56:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201703.0050.v1

Preparation and Evaluation of an Elusive Polymorph of Mefenamic Acid by High Pressure Techniques

Nasir Abbas, Iain Oswald, Colin R. Pulham

Subject: Chemistry And Materials Science, Physical Chemistry Keywords: mefenamic acid; diamond anvil cell; high-pressure; polymorphism; high-pressure crystallization; non-steroidal anti-inflammatory drugs

Online: 8 March 2017 (08:58:38 CET)

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Preprint ARTICLE | doi:10.20944/preprints202401.1955.v1

Bluetooth Device Identification Using RF Fingerprinting and Jensen-Shannon Divergence

Rene Francisco Santana-Cruz, Martin Moreno-Guzman, César Enrique Rojas-López, Ricardo Vázquez-Morán, Rubén Vázquez-Medina

Subject: Computer Science And Mathematics, Computer Science Keywords: Identification systems; Radio Frequency Fingerprints (RFF); IoT device identification; Cybersecurity; Wireless Communication

Online: 29 January 2024 (10:49:09 CET)

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Preprint ARTICLE | doi:10.20944/preprints202312.0199.v1

A Twin Frequency Control DC-DC Buck Converter Using Accurate Load Current Sensing Technique

Chiang Liang Kok, Liter Siek

Subject: Engineering, Electrical And Electronic Engineering Keywords: DC-DC converter; Twin Frequency Control; Load Sensing; Buck Converter; Smartphone application

Online: 4 December 2023 (15:26:50 CET)

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Preprint ARTICLE | doi:10.20944/preprints202310.1170.v1

Effect of Vibration-Assisted Drilling on Hole Quality and Residual-Stress Variation during Deep-Hole Machining of Ti6Al4V

Joon-Hyeok Choe, Ju Hyung Ha, Jisoo Kim, Dong Min Kim

Subject: Engineering, Industrial And Manufacturing Engineering Keywords: Ti-6Al-4V ELI; machining; low-frequency vibration-assisted drilling; residual stress

Online: 18 October 2023 (11:51:04 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.2172.v1

Compact diode pumped solid state laser with intracavity pump-enhanced DFG emitting at ~3.5 microns

Liam Gerrit Keith Flannigan, Ali Atwi, Tyler Kashak, Daniel Poitras, Chang-qing Xu

Subject: Physical Sciences, Optics And Photonics Keywords: nonlinear optics; difference frequency generation; mid-infrared laser; DPSS laser; linear cavity

Online: 2 October 2023 (11:20:39 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.1641.v1

Dietary Habits, Meal-Timing, and Meal Frequency in Kuwaiti Adults: Analysis of the Kuwait National Nutrition Surveillance Data

Fatema Alkhulaifi, Suad Al-Hooti, Sameer Al-Zenki, Husam Alomirah, And Charles Darkoh

Subject: Biology And Life Sciences, Behavioral Sciences Keywords: dietary habits; meal timing; meal frequency; late night dinner; skipping meals; Kuwait

Online: 26 September 2023 (03:23:15 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202307.0597.v1

Phase Stabilization of a Terahertz Wave using Mach-Zehnder Interference Detection

Amalina Athira Ibrahim, Bo Li, Shenghong Ye, Takashi Shiramizu, Hanwei Chen, Yuya Mikami, Kazutoshi Kato

Subject: Engineering, Electrical And Electronic Engineering Keywords: Terahertz wave; phase stabilization; photomixing; optical frequency comb; phase modulator; phase modulation

Online: 10 July 2023 (10:03:28 CEST)

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Preprint REVIEW | doi:10.20944/preprints202305.1930.v1

Molecular Biological Effects of Weak Low-frequency Magnetic Fields: Current State and Future Prospects

Viacheslav V. Krylov

Subject: Biology And Life Sciences, Biophysics Keywords: low-frequency magnetic fields; ion parametric resonance; calcium; cryptochrome; mitochondria; biochemical oscillations

Online: 26 May 2023 (11:27:48 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202304.0599.v1

Distributed MPC Method for Power Systems Frequency Control: A Particle Filter Integrated Model for Uncertainty Quantification

Gian Paramo, Arturo Bretas

Subject: Engineering, Electrical And Electronic Engineering Keywords: Frequency Control; Model Predictive Control; Particle Filter; Phasor Measurement Units; Power Systems

Online: 20 April 2023 (03:12:24 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202304.0368.v1

A Novel Sea Horse Optimizer Based Load Frequency Controller for Two-Area Power System with PV and Thermal Units

Cenk Andic, Sercan Ozumcan, Metin Varan, Ali Ozturk

Subject: Engineering, Electrical And Electronic Engineering Keywords: load frequency control; two-area power system; PV system; Sea Horse Optimizer

Online: 14 April 2023 (10:38:58 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202210.0349.v1

Using Various Analysis Center Products to Assess the Time-Frequency Transfer Performance of GPS/Galileo/BDS PPPAR Methods

Mingjun OuYang, Xiangwei Zhu, Ruite Yi, Daqian Lyu

Subject: Environmental And Earth Sciences, Space And Planetary Science Keywords: Time Frequency Transfer; Precise Point Positioning; Ambiguity Resolution (AR); Analysis Center (AC)

Online: 24 October 2022 (05:33:45 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202206.0330.v1

Determining the Severity of Open and Closed Cracks Using the Strain Energy Loss and the Hill-Climbing Method

Cristian Tufisi, Catalin V. Rusu, Nicoleta Gillich, Marius Vasile Pop, Codruta Oana Hamat, Christian Sacarea, Gilbert-Rainer Gillich

Subject: Engineering, Mechanical Engineering Keywords: crack severity; strain energy loss; beam deflection; frequency shift; hill-climbing method

Online: 24 June 2022 (04:46:40 CEST)

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Preprint REVIEW | doi:10.20944/preprints202203.0338.v1

COVID-19 Test Frequency Versus Test Sensitivity in Disrupting SARS-CoV-2 Transmission: A Review of Statistical Modeling Simulations

Justin Rogers, Laurel Jackson, Adam Buss, Susan Gawel

Subject: Computer Science And Mathematics, Probability And Statistics Keywords: COVID-19; rapid testing; test sensitivity; test frequency; testing programs; compartmental models

Online: 25 March 2022 (03:50:14 CET)

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Preprint ARTICLE | doi:10.20944/preprints202107.0096.v1

Frequency Estimation from Compressed Measurements of a Sinusoid in MA Colored Noise

Nuha A. S. Alwan, Zahir M. Hussain

Subject: Engineering, Automotive Engineering Keywords: Frequency estimation; compressive covariance sensing; linear sparse ruler; least squares; colored noise.

Online: 5 July 2021 (12:30:21 CEST)

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Working Paper ARTICLE

Effect of Loading Frequency Ratio on Multiaxial Fatigue Failure of 30CrMnSiA Steel

Tianqi Liu, Xinxin Qi, Xinhong Shi, Limin Gao, Tian Zhang, Jianyu Zhang

Subject: Engineering, Automotive Engineering Keywords: 30CrMnSiA steel; crack growth path; fatigue life prediction; asynchronous loading; frequency ratio

Online: 31 May 2021 (12:13:24 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202104.0584.v1

CLARA WebGIS: Sharing Soil and Building Geophysical Data for Seismic Characterization of the City of Matera (Southern Italy)

Nicola Tragni, Giuseppe Calamita, Lorenzo Lastilla, Valeria Belloni, Roberta Ravanelli, Michele Lupo, Vito Salvia, Maria Rosaria Gallipoli

Subject: Engineering, Automotive Engineering Keywords: seismic risk; WebGIS; seismic resilience; HVNSR; fundamental frequency; DSM; soil-building resonance

Online: 21 April 2021 (14:52:36 CEST)

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Working Paper ARTICLE

Chassis Influence on the Exposure Assessment of a Compact EV during WPT Recharging Operations

Valerio De Santis, Luca Giaccone, Fabio Freschi

Subject: Engineering, Electrical And Electronic Engineering Keywords: Computational electromagnetics; Electric Vehicle; EMF safety; low frequency dosimetry; Wireless Power Transfer

Online: 11 January 2021 (15:55:44 CET)

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Preprint BRIEF REPORT | doi:10.20944/preprints202101.0127.v1

Wave-Like Properties of Time

Goutam Kumar Chandra

Subject: Physical Sciences, Acoustics Keywords: Tools and Metrology; Time and Frequency; Philosophy of Science; Special Relativity; Semiconductors

Online: 6 January 2021 (15:09:15 CET)

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Working Paper TECHNICAL NOTE

Measurement of Quasi-static and Dynamic Displacements of Footbridges Using the Composite Instrument of Smartstation and Accelerometer: Case Studies

Jiayong Yu, Zhen Fang, Xiaolin Meng, Yilin Xie, Qian fan

Subject: Engineering, Civil Engineering Keywords: composite instrument of smartstation; accelerometer; dynamic displacement; vibration frequency; structural health monitoring

Online: 18 August 2020 (09:45:07 CEST)

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Working Paper ARTICLE

On the Design of an Optimal Flexible Bus Dispatching System with Modular Bus Units: Using the Three-Dimensional Macroscopic Fundamental Diagram

Igor Dakic, Kaidi Yang, Monica Menendez, Joseph Y.J. Chow

Subject: Social Sciences, Transportation Keywords: Optimal bus dispatching system; Modular bus units; Frequency setting problem; 3D-MFD

Online: 28 June 2020 (20:13:46 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201902.0032.v1

A New Mass Measure and a Simplication of Modern Physics that Make Gravity Predictions Independent of G

Espen Gaarder Haug

Subject: Physical Sciences, Nuclear And High Energy Physics Keywords: Mass, Compton frequency, Planck length, Planck mass, Newton's gravitational constant, Schwarzschild radius

Online: 4 February 2019 (11:48:33 CET)

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Preprint ARTICLE | doi:10.20944/preprints201812.0093.v1

The Dynamic Constants of Unidirectional Fibrous Composites at the Glass Transition Region as Obtained from the Interphase Concept

Emilio Sideridis, John Venetis

Subject: Chemistry And Materials Science, Polymers And Plastics Keywords: unidirectional fibrous composites, interphase, storage/loss modulus, loss factor, frequency, glass transition.

Online: 7 December 2018 (17:07:22 CET)

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Preprint ARTICLE | doi:10.20944/preprints201811.0265.v1

How to Explain and Predict the Shape Parameter of the Generalized Extreme Value Distribution of Streamflow Extremes Using a Big Dataset

Hristos Tyralis, Georgia Papacharalampous, Sarintip Tantanee

Subject: Environmental And Earth Sciences, Other Keywords: CAMELS; flood frequency; hydrological signatures; extreme value theory; random forests; spatial modelling

Online: 12 November 2018 (04:59:22 CET)

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Preprint ARTICLE | doi:10.20944/preprints201805.0477.v1

Enhancement of Distributed Temperature Sensitivity Using Al-Coated Fiber in OFDR

Yong-seok Kwon, Khurram Naeem, Min Yong Jeon, Il-Bum Kwon

Subject: Physical Sciences, Optics And Photonics Keywords: optical frequency domain reflectometry; distributed sensor; temperature sensor; tunable laser; coated fiber

Online: 31 May 2018 (11:41:37 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201712.0141.v1

Three-Dimensional Resistive Metamaterial Absorber Loaded with Metallic Resonators for the Enhancement of Lower-Frequency Absorption

Yang Shen, Jie Qiu Zhang, Yong Qiang Pang, Lin Zheng, Jia Fu Wang, Hua Ma, Shao Bo Qu

Subject: Physical Sciences, Applied Physics Keywords: metamaterial absorber; metallic resonator; three-dimensional construction; broadband absorption; lower-frequency absorption

Online: 20 December 2017 (09:20:54 CET)

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Preprint ARTICLE | doi:10.20944/preprints201712.0081.v1

Characterization of Different Cable Ferrite Materials to Reduce the Electromagnetic Noise in the 2–150 kHz Frequency Range

Adrian Suarez, Jorge Victoria, Antonio Alcarria, Jose Torres, Pedro A. Martinez, Julio Martos, Jesús Soret, Raimundo Garcia-Olcina, Steffen Muetsch

Subject: Engineering, Electrical And Electronic Engineering Keywords: Cable ferrite; electromagnetic interferences; low frequency emissions; nanocrystalline; relative permeability; insertion loss

Online: 13 December 2017 (13:37:22 CET)

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Preprint ARTICLE | doi:10.20944/preprints201708.0083.v1

Surface Profiling and Core Evaluation of Aluminum Honeycomb Sandwich Aircraft Panels Using Multi-Frequency Eddy Current Testing

Tyler Reyno, P. Ross Underhill, Thomas W. Krause, Catharine Marsden, Diane Wowk

Subject: Engineering, Mechanical Engineering Keywords: eddy current; multi-frequency eddy current; surface profiling; surface damage; honeycomb paneling

Online: 25 August 2017 (04:13:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202405.0154.v1

Exoscopic Versus Microscopic Surgery in 5-ALA Guided Resection of High Grade Gliomas

Giada Garufi, Alfredo Conti, Bipin Chaurasia, Salvatore Massimiliano Cardali

Subject: Neuroscience And Neurology, Biology And Life Sciences Keywords: exoscope; microscope; 5-ALA; high grade glioma

Online: 3 May 2024 (07:09:08 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202404.0296.v1

Wenzhou TE: A First-Principles Calculated Thermoelectric Materials Database

Ying Fang, Hezhu Shao

Subject: Physical Sciences, Condensed Matter Physics Keywords: Thermoelectric Materials; Material Databases; High-throughput Computing

Online: 3 April 2024 (12:25:55 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202402.1298.v1

Analysis of Attitudes and Practices towards the Influenza Vaccine in High-Risk Adults in Poland

Dorota Kopciuch, Karolina Hoffmann, Krzysztof Kus, Agnieszka Koligat-Seitz, Piotr Ratajczak, Elżbieta Nowakowska, Anna Paczkowska

Subject: Public Health And Healthcare, Public Health And Health Services Keywords: vaccines; influenza; high-risk groups; attitudes; practice

Online: 23 February 2024 (08:30:56 CET)

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Preprint REVIEW | doi:10.20944/preprints202401.0905.v1

Research Status and Development Trend of High-Pressure Water Jet Nozzle

Hongjie Niu, Yuntao Hou, Yafei Lei, Dongyang Li, Yi Yang, Guoyu Song

Subject: Engineering, Mechanical Engineering Keywords: High pressure water jet; Nozzle; Research status

Online: 11 January 2024 (11:00:48 CET)

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Preprint ARTICLE | doi:10.20944/preprints202312.0163.v1

A Novel Orthogonally High Isolation CPW Fed UWB MIMO Antenna for IoT Applications

Muhammad Zahid, Nirman Bhowmike, Zaeem Mazhar, Asma Ejaz, Sultan Shoaib, Yasar Amin

Subject: Engineering, Electrical And Electronic Engineering Keywords: UWB; MIMO; Internet of thing; high isolation

Online: 4 December 2023 (07:51:16 CET)

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Preprint ARTICLE | doi:10.20944/preprints202312.0124.v1

Outpatient Embedded Palliative Care for Patients With Advanced Thoracic Malignancy: A High-Value Practice

Mary C. Boulanger, Margaret D. Krasne, Ethan K. Gough, Samantha Myers, Ilene S. Browner, Josephine L. Feliciano

Subject: Medicine And Pharmacology, Oncology And Oncogenics Keywords: palliative care; thoracic oncology; high-value care

Online: 4 December 2023 (03:54:29 CET)

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Preprint ARTICLE | doi:10.20944/preprints202310.0747.v1

Evaluation of Surface Stabilization and Reinforcement Effect of Fragile Bronzes

JIACHANG CHEN, YIN MAI, LIWEI CHEN, LIANGSHUAI ZHANG, XINZHAN CUI, XIN LIU

Subject: Arts And Humanities, Archaeology Keywords: bronze relics; powder rust; high-permeability; stabilization

Online: 12 October 2023 (02:12:19 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202307.2116.v1

Design of a Dual-Band WiFi Antenna Using the Theory of Characteristic Modes and Nested Chinese Characters

Zhonggen Wang, Mingqing Wang, Wenyan Nie

Subject: Engineering, Electrical And Electronic Engineering Keywords: characteristic mode; Chinese characters; WiFi; high isolation

Online: 31 July 2023 (11:42:23 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202304.0676.v1

mech2d: An Efficient Tool for High-Throughput Calculation of Mechanical Properties for Two-Dimensional Materials

Haidi Wang, Tao Li, Xiaofeng Liu, Weiduo Zhu, Zhao Chen, Zhongjun Li, Jinlong Yang

Subject: Physical Sciences, Condensed Matter Physics Keywords: mechanical properties; 2D materials; high-throughput; DFT.

Online: 21 April 2023 (07:20:16 CEST)

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Preprint REVIEW | doi:10.20944/preprints202204.0228.v1

High Throughput Phenotyping Approach

Anand Kumar, Prashant Kaushik

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: vegetables; high throughput phenotyping; genomic assisted breeding

Online: 26 April 2022 (06:00:45 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202203.0044.v1

Research on Electromagnetic Radiation Mechanism During Detonation of Energetic Material

Yuanbo Cui, Deren Kong, Jian Jiang, Shang Gao

Subject: Physical Sciences, Radiation And Radiography Keywords: energetic material; plasma; detonation; electromagnetism; high temperature

Online: 2 March 2022 (10:39:48 CET)

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Preprint ARTICLE | doi:10.20944/preprints202202.0151.v1

Multiple-Trait Model through Bayesian Inference Applied to Flood-Irrigated Rice (Oryza sativa L)

Antonio Carlos da Silva Junior, Isabela de Castro Sant’Anna, Marco Antônio Peixoto, Lívia Gomes Torres, Michele Jorge Silva, Weverton Gomes da Costa, Camila Ferreira Azevedo, Plinio César Soares, Cosme Damião Cruz

Subject: Computer Science And Mathematics, Analysis Keywords: high-performance; heritable; multi-environments; credibility interval

Online: 10 February 2022 (11:14:21 CET)

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Preprint ARTICLE | doi:10.20944/preprints202110.0330.v1

First Observations of SN 1604 (Kepler's Supernova)

Alessandro De Angelis, selenia broccio

Subject: Physical Sciences, Astronomy And Astrophysics Keywords: Supernova remnants; Stellar evolution; High-energy astrophysics

Online: 22 October 2021 (12:11:22 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202104.0426.v1

Magnetic Field Alignment, a Perspective in the Engineering of Collagen-Silica Composite Biomaterials

Nicolas Debons, Kenta Matsumoto, Noriyuki Hirota, Thibaud Coradin, Toshiyuki Ikoma, Carole Aimé

Subject: Chemistry And Materials Science, Biomaterials Keywords: bionanocomposites; collagen; high magnetic field; silica particles

Online: 15 April 2021 (18:12:26 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202103.0122.v1

Performance Enhancement Techniques for Patch Antennas of Small Satellites

Zizung Yoon, Mayank Mayank, Enrico Stoll

Subject: Engineering, Electrical And Electronic Engineering Keywords: satellite communication, antenna optimization, high gain antenna

Online: 3 March 2021 (09:59:04 CET)

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Preprint ARTICLE | doi:10.20944/preprints202103.0104.v1

Chitosan from crabs (Scylla Serrata) Represses Hepato-renal Dysfunctions in Rats via Modulation of CD43 and p53 Expression in High Fat Diet-induced Hyperlipidemia

Regina Ngozi Ugbaja, Kunle Ogungbemi, Adewale Segun James, Peter Folorunsho Ayodele, Olanrewaju Samuel Abolade, Stella Ajamikoko, Eniola Olapeju Atayese, Omowunmi Victoria Adedeji

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: Chitosan; Hyperlipidemia; High-fat diet; p53; CD43

Online: 2 March 2021 (16:02:07 CET)

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Preprint ARTICLE | doi:10.20944/preprints202102.0550.v1

Optical Data Transmission at 44 Tb/s with a Single Integrated Chip Source

Mengxi Tan, Mike Xu, David Moss

Subject: Engineering, Telecommunications Keywords: microcombs; data transmission; filters; high bandwidth; optical

Online: 24 February 2021 (12:59:47 CET)

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Preprint ARTICLE | doi:10.20944/preprints202102.0507.v1

Optical Frequency Microcomb Distillation for Super Channel Data Transmission

Chawaphon Prayoonyong, Andreas Boes, Xingyuan Xu, Mengxi Tan, Sai T. Chu, Brent E. Little, Roberto Morandotti, Arnan Mitchell, David J. Moss, Bill Corcoran

Subject: Engineering, Automotive Engineering Keywords: microcombs, data transmission, filters, high bandwidth, optical

Online: 23 February 2021 (09:49:59 CET)

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Preprint ARTICLE | doi:10.20944/preprints202012.0333.v1

ATmospheric LIDar (ATLID): European Space Agency Instrument Ready to Measure Aerosols and Thin Clouds in Atmosphere

João Pereira do Carmo, Geraud de Villele, Kotska Wallace, Alain Lefebvre, Kaustav Ghose, Thomas Kanitz, François Chassat, Bertrand Corselle, Thomas Belhadj, Paolo Bravetti

Subject: Environmental And Earth Sciences, Atmospheric Science And Meteorology Keywords: LIDAR; UV laser; high spectral resolution; aerosols

Online: 14 December 2020 (13:11:08 CET)

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Preprint ARTICLE | doi:10.20944/preprints202006.0111.v1

A Novel Family of Quadrupole-Orbitrap Mass Spectrometers for a Broad Range of Analytical Applications

Jan-Peter Hauschild, Amelia Corinne Peterson, Erik Couzijn, Eduard Denisov, Denis Chernyshev, Christian Hock, Hamish Stewart, Ralf Hartmer, Dmitry Grinfeld, Christian Thoeing, Bastian Reitemeier, Arne Kreutzmann, Oliver Lange, Wilko Balschun, Aivaras Venckus, Sebastian Kanngiesser, Alexander Kholomeev, Gregor Quiring, Frank Czemper, Eloy Wouters, Michael Belford, Mathias Mueller, Jens Grote, Tabiwang N. Arrey, Julia Kraegenbring, Kerstin Strupat, Siegrun Mohring, Catharina Crone, Alexander Harder, Aaron Robitaille, Aaron Gajadhar, Khatereh Motamed, Yang Liu, Daniel Lopez Ferrer, Nicolaie Eugen Damoc, Angela Criscuolo, Kristina Srzentic, Ed George, Charles Yang, Ioanna Ntai, Amanda Souza, Andreas Wieghaus, Alexander Makarov

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: Orbitrap mass spectrometry; high resolution; accurate mass

Online: 8 June 2020 (10:17:36 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202002.0459.v1

Oxidation and Characterization of Low Concentration Gas in High-Temperature Reactor

Jinhua Chen, Guangcai Wen, Song Yan, Xiangyun Lan, Lu Xiao

Subject: Engineering, Energy And Fuel Technology Keywords: low concentration; gas; reactor; high-temperature oxidation

Online: 29 February 2020 (09:20:28 CET)

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Preprint ARTICLE | doi:10.20944/preprints201910.0137.v1

An Efficient and High-Resolution Topology Optimization Method Based on Convolutional Neural Networks

Liang Xue, Jie Liu, Guilin Wen, Hongxin Wang

Subject: Computer Science And Mathematics, Mathematics Keywords: topology optimization; convolutional neural network; high-resolution

Online: 12 October 2019 (03:56:19 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201904.0238.v1

Assessment of Residual Feed Intake and Its Relevant Measurements in Two Varieties of Japanese Quail (Coturnix coturnix japonica) under High Environmental Temperature

Moataz M. Fathi, Ibrahim Al-Homidan, Tarek A. Ebeid, Ahmed Galal, Osama K. Abou-Emera

Subject: Biology And Life Sciences, Animal Science, Veterinary Science And Zoology Keywords: residual feed consumption; quail; high environmental temperature

Online: 22 April 2019 (11:22:21 CEST)

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Preprint REVIEW | doi:10.20944/preprints201806.0308.v1

Irradiance Variability Quantification and Small-Scale Averaging in Space and Time: A Short Review

Gerald M. Lohmann

Subject: Environmental And Earth Sciences, Atmospheric Science And Meteorology Keywords: irradiance variability, high-resolution measurements, increment statistics

Online: 19 June 2018 (17:10:06 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201803.0080.v1

Are Changes in Physical Work Capacity Induced by High-Intensity Functional Training Related to Changes in Associated Physiologic Measures?

Derek A. Crawford, Nicholas B. Drake, Michael J. Carper, Justin Deblauw, Katie M. Heinrich

Subject: Biology And Life Sciences, Anatomy And Physiology Keywords: high-intensity functional training; work capacity; performance

Online: 12 March 2018 (05:33:23 CET)

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Preprint ARTICLE | doi:10.20944/preprints202312.1708.v1

High-Entropy Diborides – Silicon Carbide Composites by Reactive and Non-reactive Spark Plasma Sintering: A Comparative Study

Ekaterina Pakhomova, Giacomo Cao, Roberto Orrù, Sebastiano Garroni, Paolo Ferro, Roberta Licheri

Subject: Chemistry And Materials Science, Ceramics And Composites Keywords: high-entropy borides; silicon carbide; spark plasma sintering; self-propagating high-temperature synthesis; resistance to oxidation; fracture toughness

Online: 22 December 2023 (07:11:43 CET)

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Preprint REVIEW | doi:10.20944/preprints202010.0051.v1

ROS and NO Regulation by Melatonin Under Abiotic Stress in Plants

Miriam Pardo-Hernandez, Maria Lopez-Delacalle, Rosa M Rivero

Subject: Biology And Life Sciences, Anatomy And Physiology Keywords: melatonin; ROS; NO; posttranslational modifications (PMTs); abiotic stress; drought; salinity; high temperature; high light; waterlogging; abiotic stress combination

Online: 5 October 2020 (07:48:29 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202404.0646.v1

A Numerical Study on the Penetrability and Directivity of the Difference-Frequency Component Beam in Bubbly Liquids Obtained via Parametric Acoustic Array

María Teresa Tejedor Sastre, Christian Vanhille

Subject: Physical Sciences, Acoustics Keywords: bubbly liquids; nonlinear acoustics; parametric acoustic array; difference frequency component; ultrasound; penetrability; directivity

Online: 9 April 2024 (10:07:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202403.0020.v1

Line-spacing Multiplied Optical Frequency Combs Generation using an Electro-Optic Talbot Laser and Cross-Phase Modulation in a Fiber

Juanjuan Yan, Haiyan Dong, Yu Wang

Subject: Engineering, Electrical And Electronic Engineering Keywords: Optical frequency comb; electro-optic Talbot laser; cross-phase modulation; line-spacing multiplication

Online: 1 March 2024 (07:40:06 CET)

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Preprint REVIEW | doi:10.20944/preprints202402.1017.v1

Planar Printed Structures Based on Matryoshka Geometries: A Review

Alfredo Gomes Neto, Jefferson Costa e Silva, Joabson Nogueira de Carvalho, Custódio Peixeiro

Subject: Engineering, Electrical And Electronic Engineering Keywords: printed circuits; microstrip; ring resonators; Matryoshka sets; frequency selective surfaces; filters; antennas; sensors

Online: 19 February 2024 (07:43:11 CET)

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