REVIEW
|
doi:10.20944/preprints202108.0249.v1
Subject:
Chemistry And Materials Science,
Biomaterials
Keywords:
whitlockite; calcium magnesium phosphates; struvite; newberrite; bone reconstruction; resorba-bility; bioactivity; orthopedic applications
Online: 11 August 2021 (10:41:43 CEST)
COMMUNICATION
|
doi:10.20944/preprints202101.0499.v1
Subject:
Physical Sciences,
Acoustics
Keywords:
Mach's Universe; Planck scale; Cosmic Angular velocity; Galactic applications; shortened radius; shortened age;
Online: 25 January 2021 (13:46:20 CET)
REVIEW
|
doi:10.20944/preprints201810.0463.v1
Subject:
Engineering,
Chemical Engineering
Keywords:
saponite-containing waters; diamond processing plants; cryogenic treatment; electrochemical separation; saponite product applications
Online: 22 October 2018 (04:34:23 CEST)
ARTICLE
|
doi:10.20944/preprints201810.0216.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
embedded intelligence; body area networks; healthcare applications; remote elderly monitoring; smart ambulance system
Online: 10 October 2018 (11:04:43 CEST)
REVIEW
|
doi:10.20944/preprints201810.0061.v1
Subject:
Physical Sciences,
Fluids And Plasmas Physics
Keywords:
Plasma Generation Techniques, Applications of Plasma; Fusion technology; Plasma ion implantation and Deposition.
Online: 3 October 2018 (15:54:34 CEST)
REVIEW
|
doi:10.20944/preprints202402.1349.v1
Subject:
Biology And Life Sciences,
Food Science And Technology
Keywords:
hemp; rapeseed; protein; functionality; anti-nutritional factors; bioactive compounds; food applications; digestibility; innovative products
Online: 24 February 2024 (08:53:34 CET)
ARTICLE
|
doi:10.20944/preprints202401.1451.v2
Subject:
Biology And Life Sciences,
Life Sciences
Keywords:
Biofilm Life Cycle; Extracellular Polymeric Substances (EPS); Environmental Science; Industrial Applications; Bibliographic Analysis; VOSviewer
Online: 21 February 2024 (11:37:55 CET)
ARTICLE
|
doi:10.20944/preprints202308.0803.v1
Subject:
Computer Science And Mathematics,
Hardware And Architecture
Keywords:
Performance models; Top-Down model; HPC applications; MareNostrum 4; A64FX; Power 9; Zen 2
Online: 10 August 2023 (09:24:01 CEST)
ARTICLE
|
doi:10.20944/preprints202305.2259.v1
Subject:
Engineering,
Energy And Fuel Technology
Keywords:
Marine Vessels; Nuclear-Renewable Hybrid Energy Systems; Waterfront Applications, Seaports, Hydrogen Production, Energy Efficiency.
Online: 31 May 2023 (14:02:36 CEST)
ARTICLE
|
doi:10.20944/preprints202207.0020.v1
Subject:
Engineering,
Architecture, Building And Construction
Keywords:
conceptual framework; Information Modelling; Building Information Modelling (BIM); Facility Management; Smart Buildings; Smart Applications
Online: 1 July 2022 (16:48:35 CEST)
ARTICLE
|
doi:10.20944/preprints202104.0259.v1
Subject:
Chemistry And Materials Science,
Biomaterials
Keywords:
VAR alloy obtaining; Biomedical applications; Apatite films; Corrosion, X-ray method, Electron microscopy; Hardness
Online: 9 April 2021 (13:24:09 CEST)
REVIEW
|
doi:10.20944/preprints201912.0065.v1
Subject:
Engineering,
Control And Systems Engineering
Keywords:
augmented reality; mixed reality; learning applications; SLR; AR evaluation; research methods; AR in education
Online: 5 December 2019 (08:54:35 CET)
REVIEW
|
doi:10.20944/preprints201910.0337.v1
Subject:
Chemistry And Materials Science,
Metals, Alloys And Metallurgy
Keywords:
advanced high-strength forging steel; hot-forging; microstructure; retained austenite characteristics; mechanical properties; applications
Online: 29 October 2019 (10:59:30 CET)
ARTICLE
|
doi:10.20944/preprints201906.0251.v1
Subject:
Physical Sciences,
Applied Physics
Keywords:
video microscopy, imaging, automated data acquisition, nanoparticle tracking, measurement embedded applications, open-source software
Online: 25 June 2019 (12:53:50 CEST)
ARTICLE
|
doi:10.20944/preprints201703.0113.v1
Subject:
Engineering,
Automotive Engineering
Keywords:
automotive applications; concentrated windings; eddy current losses; fractional-slot windings; interior permanent-magnet motors
Online: 16 March 2017 (09:02:53 CET)
REVIEW
|
doi:10.20944/preprints202401.0524.v1
Subject:
Biology And Life Sciences,
Life Sciences
Keywords:
transdermal drug delivery system; skin permeation; permeation enhancers; quality by design ap-proach; therapeutic applications
Online: 8 January 2024 (06:41:04 CET)
ARTICLE
|
doi:10.20944/preprints202312.1444.v1
Subject:
Computer Science And Mathematics,
Information Systems
Keywords:
Decentralized Applications; Authenticated Data; Blockchain; Smart Contract; Privacy; Zero Knowledge Proof; zk-STARK; Quantum-Resistant
Online: 19 December 2023 (11:28:04 CET)
ARTICLE
|
doi:10.20944/preprints202310.1643.v1
Subject:
Engineering,
Bioengineering
Keywords:
microwaves; radiofrequency; medical applications; medical equipment; solid-state; tissue ablation; cancer; temperature control; ex-vivo
Online: 25 October 2023 (11:29:20 CEST)
ARTICLE
|
doi:10.20944/preprints202308.1153.v1
Subject:
Social Sciences,
Tourism, Leisure, Sport And Hospitality
Keywords:
Technology Acceptance Model, Maslow's Hierarchy of Needs, Golf Croquet, Mobile Applications, Companion Robot, AIoT, Senior
Online: 16 August 2023 (20:28:42 CEST)
ARTICLE
|
doi:10.20944/preprints202308.1190.v1
Subject:
Engineering,
Mining And Mineral Processing
Keywords:
Closed circuit ball mill; circulating load; classification efficiency; relative capacity of ball mills; industrial applications
Online: 16 August 2023 (09:55:30 CEST)
ARTICLE
|
doi:10.20944/preprints202307.1865.v1
Subject:
Engineering,
Industrial And Manufacturing Engineering
Keywords:
Bio-composite, Resin, palm kernel shells, whelk shells, clams, bamboo fiber, Engineering Applications, Taguchi Techniques
Online: 27 July 2023 (09:28:18 CEST)
REVIEW
|
doi:10.20944/preprints202307.0847.v1
Subject:
Environmental And Earth Sciences,
Environmental Science
Keywords:
quorum sensing; microbial communication; biofilm formation; biogeochemical cycling; biotechnological applications; marine environment; deep‐sea environment
Online: 13 July 2023 (05:26:58 CEST)
ARTICLE
|
doi:10.20944/preprints202306.1449.v1
Subject:
Public Health And Healthcare,
Other
Keywords:
chronic non-communicable diseases; disease management; digital health technologies; technology-based applications; mHealth; mobile apps
Online: 20 June 2023 (14:25:24 CEST)
REVIEW
|
doi:10.20944/preprints202304.0578.v1
Subject:
Engineering,
Automotive Engineering
Keywords:
mobile robots; power supply; battery systems; materials of batteries; power artificial intelligence; medical applications; UGV
Online: 19 April 2023 (08:54:37 CEST)
ARTICLE
|
doi:10.20944/preprints202301.0468.v1
Subject:
Engineering,
Civil Engineering
Keywords:
C-V2X; Eco-routing; ITS; CAV; VANET; Smart cities; environmental applications; vehicular networks; V2V; V2I
Online: 26 January 2023 (04:11:31 CET)
ARTICLE
|
doi:10.20944/preprints202103.0135.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Machine Learning Applications; Quality Assurance Methodology; Process Model; Automotive Industry and Academia; Best Practices; Guidelines
Online: 3 March 2021 (14:11:09 CET)
ARTICLE
|
doi:10.20944/preprints201811.0194.v1
Subject:
Computer Science And Mathematics,
Information Systems
Keywords:
supermedia; haptics; HEVC; tactile feedback; transport protocols; teleoperation; interactive applications; real-time protocol; internet status
Online: 8 November 2018 (09:54:55 CET)
REVIEW
|
doi:10.20944/preprints202202.0001.v1
Subject:
Computer Science And Mathematics,
Information Systems
Keywords:
Artificial intelligence; machine learning; data science; advanced analytics; intelligent computing; automation; smart systems; industry 4.0 applications
Online: 1 February 2022 (10:26:21 CET)
ARTICLE
|
doi:10.20944/preprints202109.0386.v1
Subject:
Computer Science And Mathematics,
Information Systems
Keywords:
information systems; middleware applications; Application Programming Interfaces (APIs); web services; Quality of Services (QoS); performance evaluation
Online: 22 September 2021 (13:29:56 CEST)
REVIEW
|
doi:10.20944/preprints202103.0216.v1
Subject:
Computer Science And Mathematics,
Information Systems
Keywords:
machine learning; deep learning; artificial intelligence; data science; data-driven decision making; predictive analytics; intelligent applications;
Online: 8 March 2021 (12:55:59 CET)
ARTICLE
|
doi:10.20944/preprints201703.0085.v1
Subject:
Chemistry And Materials Science,
Biomaterials
Keywords:
TCP-C2S, Nurse ´A ceramic, Biomaterials, adult human mesenchymal stem cells, Solid State Reaction, Biomedical applications.
Online: 14 March 2017 (13:43:13 CET)
REVIEW
|
doi:10.20944/preprints202402.0085.v1
Subject:
Biology And Life Sciences,
Biochemistry And Molecular Biology
Keywords:
CRISPR-Cas System, Biomedicine, Genome engineering, Gene editing, Human disease, Cancer, Animal models Concerns, Benefits, Applications, Function
Online: 1 February 2024 (14:24:57 CET)
ARTICLE
|
doi:10.20944/preprints202310.0989.v1
Subject:
Chemistry And Materials Science,
Polymers And Plastics
Keywords:
Per-fluorinated organic polymers, nucleophilic aromatic substitution, azomethine-based linkers, azo-based linkers, porosity measurements, environmental applications
Online: 17 October 2023 (09:39:14 CEST)
ARTICLE
|
doi:10.20944/preprints202310.0540.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
5G; dual-band; nested antenna array; circular polarization; non-terrestrial network; link budget; automotive applications; data rate
Online: 10 October 2023 (02:34:30 CEST)
ARTICLE
|
doi:10.20944/preprints202306.2119.v1
Subject:
Biology And Life Sciences,
Life Sciences
Keywords:
Applications; Burn injury therapy; Burn wounds; Characteristics; Features; Lining membrane; Mesenchymal stem cells; Potential; Treatment; Umbilical cord
Online: 30 June 2023 (03:02:32 CEST)
REVIEW
|
doi:10.20944/preprints202302.0321.v1
Subject:
Biology And Life Sciences,
Cell And Developmental Biology
Keywords:
human induced pluripotent stem cells; inner ear disorders; disease modeling; sensorineural hearing loss; Meniere disease; biomedical applications
Online: 20 February 2023 (06:17:44 CET)
ARTICLE
|
doi:10.20944/preprints202201.0288.v1
Subject:
Computer Science And Mathematics,
Computer Networks And Communications
Keywords:
MV/LV network; GIS planning; Spatial network analysis; 3D virtual city; Web and 3D Web GIS applications
Online: 20 January 2022 (08:32:37 CET)
ARTICLE
|
doi:10.20944/preprints202105.0608.v3
Subject:
Chemistry And Materials Science,
Biomaterials
Keywords:
nanocomposites; bacterial cellulose; ceria nanoparticles; thermal properties; swelling; mechanical behavior; biomedical applications; stem cells proliferation; gene expression
Online: 17 June 2021 (10:02:24 CEST)
REVIEW
|
doi:10.20944/preprints202104.0442.v1
Subject:
Computer Science And Mathematics,
Information Systems
Keywords:
data science; advanced analytics; machine learning; deep learning; smart computing; decision-making; predictive analytics; data science applications;
Online: 16 April 2021 (11:28:09 CEST)
ARTICLE
|
doi:10.20944/preprints201902.0233.v1
Subject:
Computer Science And Mathematics,
Artificial Intelligence And Machine Learning
Keywords:
deep neural network architectures; supervised learning; unsupervised learning; testing neural networks; applications of deep learning; evolutionary computation
Online: 26 February 2019 (04:02:00 CET)
ARTICLE
|
doi:10.20944/preprints201710.0032.v1
Subject:
Social Sciences,
Geography, Planning And Development
Keywords:
Environmental decision support systems; applications; outcome-based approach; adaptive management; user requirements; environmental management; participatory land planning
Online: 6 October 2017 (08:51:07 CEST)
REVIEW
|
doi:10.20944/preprints202402.1579.v1
Subject:
Medicine And Pharmacology,
Endocrinology And Metabolism
Keywords:
Natural Park of Serra da Estrela; Botanical diversity; Medicinal plants; Diabetes prevention and treatment; Pharmacological applications; chemical composition.
Online: 27 February 2024 (16:02:34 CET)
ARTICLE
|
doi:10.20944/preprints202310.1298.v1
Subject:
Chemistry And Materials Science,
Biomaterials
Keywords:
chitosan; fish gelatin; chondroitin sulfate; hydrogel membranes; wound dressing; in vitro cell colonization; gelatin glycerol; biomedical applications; membranes
Online: 19 October 2023 (20:17:37 CEST)
ARTICLE
|
doi:10.20944/preprints202207.0050.v2
Subject:
Business, Economics And Management,
Business And Management
Keywords:
Smart City; smart technology; internet of things; cloud technologies; mobile applications; innovation system; smart city concept; smart ecosystem
Online: 27 April 2023 (09:36:29 CEST)
ARTICLE
|
doi:10.20944/preprints202212.0163.v1
Subject:
Biology And Life Sciences,
Agricultural Science And Agronomy
Keywords:
Yield and quality parameters; deficit irrigation and fertigation; ky factor of strawberry; mulching applications; the cultivation of strawberries
Online: 8 December 2022 (14:41:57 CET)
ARTICLE
|
doi:10.20944/preprints202111.0177.v1
Subject:
Computer Science And Mathematics,
Computer Science
Keywords:
Electronic Voting Machine; biometric fingerprint authentication; embedded systems applications; electronic voting technology; user friendly environment; system oriented approach
Online: 9 November 2021 (13:51:17 CET)
ARTICLE
|
doi:10.20944/preprints202111.0168.v1
Subject:
Engineering,
Industrial And Manufacturing Engineering
Keywords:
Diabetes mellitus; self-management; blood glucose self-monitoring; mobile applications; medically underserved area; health literacy; telemedicine; disease management
Online: 9 November 2021 (13:19:05 CET)
REVIEW
|
doi:10.20944/preprints202403.0855.v1
Subject:
Environmental And Earth Sciences,
Waste Management And Disposal
Keywords:
Biochar (BC); pyrolysis; biochar-derived permanent free radicals (PFRs); reactive oxygen species (ROS); PFRs-mediated BCs applications; environmental risk
Online: 15 March 2024 (07:17:48 CET)
ARTICLE
|
doi:10.20944/preprints202401.2152.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
Second-life; Circular Economy; Lithium-ion battery; Battery Life Cycle; Battery Passport; State of Health; Mobile applications; Electric Vehicle
Online: 31 January 2024 (10:09:33 CET)
REVIEW
|
doi:10.20944/preprints202212.0499.v1
Subject:
Computer Science And Mathematics,
Security Systems
Keywords:
Cybersecurity; artificial intelligence; machine learning; cyber data analytics; intelligent decision-making; adversarial attacks; robust secured systems; industry 4.0 applications.
Online: 27 December 2022 (01:53:56 CET)
REVIEW
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
Holographic subsurface radar; ground penetrating radar; nondestructive testing; cultural heritage objects; humanitarian demining; human vital signals monitoring; security applications.
Online: 11 August 2021 (10:44:10 CEST)
REVIEW
|
doi:10.20944/preprints202105.0321.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
Holographic subsurface radar; ground penetrating radar; nondestructive testing; cultural heritage objects; humanitarian demining; human vital signals monitoring; security applications.
Online: 14 May 2021 (10:56:20 CEST)
ARTICLE
|
doi:10.20944/preprints202404.1876.v1
Subject:
Artificial Intelligence And Machine Learning,
Computer Science And Mathematics
Keywords:
native-cloud applications; application monitoring; distributed tracing; trace sampling; application troubleshooting; root cause analysis; explainable artificial intelligence; rule-induction systems
Online: 29 April 2024 (04:59:11 CEST)
REVIEW
|
doi:10.20944/preprints202104.0177.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Hydraulic resistance; Colebrook flow friction; Lambert W-function; Excel Macro Programming; Visual Basic for Applications (VBA); User Defined Functions (UDFs)
Online: 6 April 2021 (13:27:55 CEST)
ARTICLE
|
doi:10.20944/preprints202101.0326.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
time series analysis; anomaly detection; neural networks; hypothesis testing; trend 17 analysis; periodicity analysis; cloud applications; pretrained models; transfer learning
Online: 18 January 2021 (12:00:39 CET)
REVIEW
|
doi:10.20944/preprints201711.0170.v1
Subject:
Computer Science And Mathematics,
Software
Keywords:
cycling computer; fitness and health statistics; bike computer; mobile sensing; social fitness network; bike mobile applications; wheeled vehicles; MTB datasets
Online: 27 November 2017 (05:38:58 CET)
REVIEW
|
doi:10.20944/preprints201805.0426.v1
Subject:
Medicine And Pharmacology,
Medicine And Pharmacology
Keywords:
biological activity; crosslinking; drug delivery; cosmetic; food-supplement; functionalization; hyaluronan applications; hyaluronan derivatives; hyaluronan synthases; hyaluronic acid; hyaluronidases; physico-chemical properties
Online: 29 May 2018 (12:13:48 CEST)
ARTICLE
|
doi:10.20944/preprints202310.1877.v1
Subject:
Physical Sciences,
Condensed Matter Physics
Keywords:
lead-free perovskites; instability; phase transitions; thermodynamic characteristics; Fermi level shift; electronic and optical properties; density function theory; phonopy calculations; photovoltaic applications
Online: 30 October 2023 (08:48:15 CET)
CASE REPORT
|
doi:10.20944/preprints202304.0775.v1
Subject:
Medicine And Pharmacology,
Dermatology
Keywords:
facial rejuvenation; Stromal Vascular Fraction; adipose derived mesenchymal stem cells; autologous adipose tissue graft; Superficial Enhanced Fluid Fat Injection; clinical regeneration applications
Online: 23 April 2023 (05:01:28 CEST)
ARTICLE
|
doi:10.20944/preprints202110.0181.v3
Subject:
Engineering,
Civil Engineering
Keywords:
Construction practices using nanotechnology applications; nano-modified emulsion stabilisation of granular materials; nano-modified emulsion stabilised layers in highway construction; central plant
Online: 23 December 2021 (10:52:06 CET)
ARTICLE
|
doi:10.20944/preprints202306.1370.v1
Subject:
Physical Sciences,
Radiation And Radiography
Keywords:
adolescent idiopathic scoliosis; pose estimation; posture parameters; mobile devices; deep learning; clinical photography; mobile applications; MoveNet, convolutional neural network; kinematics; posture; reliability; validity
Online: 19 June 2023 (14:27:12 CEST)
REVIEW
|
doi:10.20944/preprints201809.0007.v1
Subject:
Computer Science And Mathematics,
Data Structures, Algorithms And Complexity
Keywords:
Particle Swarm Optimization; Swarm Intelligence; Evolutionary Computation; Intelligent Agents; Optimization; Hybrid Algorithms; Heuristic Search; Approximate Algorithms; Robotics and Autonomous Systems; Applications of PSO
Online: 2 September 2018 (15:29:55 CEST)
ARTICLE
|
doi:10.20944/preprints201806.0155.v1
Subject:
Environmental And Earth Sciences,
Space And Planetary Science
Keywords:
essential climate variables; climate data records; earth observation satellites; quality assurance; traceability; user requirements; climate applications; surface albedo; LAI; FAPAR; NO2; HCHO; CO
Online: 11 June 2018 (11:24:59 CEST)
ARTICLE
|
doi:10.20944/preprints202111.0409.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
Floquet analysis; MoM method; Almost periodic antenna arrays; Fourier analysis; strong mutual coupling; Dense massive MIMO; MM and THz waves; 5G and 6G applications
Online: 22 November 2021 (15:11:58 CET)
ARTICLE
|
doi:10.20944/preprints202402.1214.v1
Subject:
Engineering,
Telecommunications
Keywords:
Visible Light Communication (VLC); 6G; IoT Applications; Smart Cities; Wireless Communication; Last Meter Connectivity; Open-Source Simulator; Application Dimensioning; Outdoor VLC Communication; Efficient Lighting LEDs
Online: 21 February 2024 (14:57:17 CET)
ARTICLE
|
doi:10.20944/preprints202305.2219.v1
Subject:
Engineering,
Transportation Science And Technology
Keywords:
pavement friction rating; network level; road safety attributes; hybrid clustering; density-based spatial clustering of applications with noise (DBSCAN); Gaussian mixture model (GMM); Chi-square test
Online: 31 May 2023 (10:38:47 CEST)
ARTICLE
|
doi:10.20944/preprints202403.0221.v1
Subject:
Engineering,
Mechanical Engineering
Keywords:
Feature Detection; Object Reflective Surfaces; YOLOv3 Neural Network; Transfer Learning; Digital Cameras; Collaborative Robots; Machine Learning in Manufacturing; Automation in Polishing; Industrial AI Applications; GPU; CUDA and cuDNN
Online: 5 March 2024 (13:21:58 CET)
REVIEW
|
doi:10.20944/preprints202404.1860.v1
Subject:
Information Systems,
Computer Science And Mathematics
Keywords:
Model-View-Controller (MVC); Software Architecture; Web Development Frameworks; Enterprise Software Applications; AI Integration in Software; Machine Learning and MVC; Educational Tools in Software Engineering; Model-View-ViewModel (MVVM); JavaScript Frameworks; Agile Development
Online: 29 April 2024 (10:25:58 CEST)
REVIEW
|
doi:10.20944/preprints202306.0672.v1
Subject:
Computer Science And Mathematics,
Artificial Intelligence And Machine Learning
Keywords:
Review; Human action recognition; Smart living; Services; Applications; Context Awareness; Data Availability; Personalization; Privacy; Sensing technology; Machine learning; Deep learning; Signal processing; Smart home; Smart environment; Smart city; Smart Community; Ambient Assisted Living
Online: 9 June 2023 (05:34:18 CEST)
ARTICLE
|
doi:10.20944/preprints201906.0055.v2
Subject:
Computer Science And Mathematics,
Artificial Intelligence And Machine Learning
Keywords:
supercritical carbon dioxide; machine learning modeling; acid; artificial intelligence; solubility; artificial neural networks (ANN); adaptive neuro-fuzzy inference system (ANFIS); least-squares support-vector machine (LSSVM); multi-layer perceptron (MLP); engineering applications of artificial intelligence
Online: 31 July 2019 (04:35:26 CEST)
ARTICLE
|
doi:10.20944/preprints202201.0030.v1
Subject:
Engineering,
Civil Engineering
Keywords:
New-age (Nano) Modified Emulsion (NME) stabilisation; identifying construction problems; preventing construction related problems; material related problems; constructability using nanotechnology applications; nano-silane stabilisation of granular materials; construction quality control problems; construction equipment problems; practical implementation of nano-silane stabilisation.
Online: 11 January 2022 (10:37:34 CET)
ARTICLE
|
doi:10.20944/preprints202201.0093.v2
Subject:
Engineering,
Civil Engineering
Keywords:
nanotechnology applications in road maintenance; preventative road surface maintenance; nanotechnology clear-seals; New-age (Nano) Modified Emulsions (NME); pot-hole repairs; modified binder slurry seals; hydrophobic slurries; hydrophobic road surface sealants; labour intensive maintenance; rapid employment creation through nanotechnology usage in road maintenance
Online: 25 January 2022 (17:34:49 CET)