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السجلات المعروضة 1341 -- 1350 من 1431
Blockchain for the internet of vehicles: A decentralized IoT solution for vehicles communication using ethereum
(
MDPI AG
, 2020 , Article)
The concept of smart cities has become prominent in modern metropolises due to the emergence of embedded and connected smart devices, systems, and technologies. They have enabled the connection of every “thing” to the ...
Factors associated with depression and anxiety in the adult population of Qatar after the first COVID-19 wave: a cross-sectional study
(
springer
, 2021 , Article)
There is limited data from Arabic-speaking countries on risk factors for depression and anxiety during the COVID-19 pandemic. Country-specific data is necessary given differences in culture, demographics, and COVID-19 ...
Thermal behavior and post-heating fracture characteristics of polypropylene microfiber-reinforced geopolymer binders
(
Elsevier
, 2022 , Article)
This paper investigated the post-heating behavior of fly ash-based geopolymer binders reinforced with polypropylene (PP) microfibers. Geopolymer binders with different fiber contents including 0%, 0.05%, 0.1%, and 0.2% by ...
In-site and ex-site date palm exposure to heavy metals involved infra-individual biomarkers upregulation
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2021 , Article)
As a tree of considerable importance in arid regions—date palm, Phoenix dactylifera L. survival in contaminated areas of Sfax city has drawn our attention. Leaf samples of the plants grown in the study area showed high ...
Slippery liquid-infused porous polymeric surfaces based on natural oil with antimicrobial effect
(
MDPI AG
, 2021 , Article)
Many polymer materials have found a wide variety of applications in biomedical indus-tries due to their excellent mechanical properties. However, the infections associated with the bio-film formation represent serious ...
Diversifying relationships: Russian policy toward GCC
(
Palgrave Macmillan
, 2021 , Article)
The interaction between Russia and Gulf countries represents the story of ups and downs, severe conflicts and sharp warmings that can largely be explained by the permanently changing role and place of each of these players ...
Accelerating the Transition to a Circular Economy for Net-Zero Emissions by 2050: A Systematic Review
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2022 , Article)
Achieving net-zero emissions by 2050 will require tackling both energy-related and non-energy-related GHG emissions, which can be achieved through the transition to a circular economy (CE). The focus of climate change ...
Ambient and Heat-Cured Geopolymer Composites: Mix Design Optimization and Life Cycle Assessment
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2022 , Article)
The feasibility of producing sustainable cement-free composites and its environmental impact were investigated in this research. Experimental parametric evaluation was carried out in this regard to explore the optimum mix ...
Copper/nickel-decorated olive pit biochar: One pot solid state synthesis for environmental remediation
(
MDPI
, 2021 , Article)
Developing micro- and nanomaterials for environmental pollution remediation is currently a pertinent topic. Among the plethora of strategies, designing supported nanocatalysts for the degradation of pollutants has achieved ...
Policy specification and verification for blockchain and smart contracts in 5G networks
(
Korean Institute of Communications Information Sciences
, 2020 , Article)
Blockchain offers unprecedented opportunities for innovation in financial transactions. A whole new world of opportunities for banking, lending, insurance, money transfer, investments, and stock markets awaits. However, ...