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السجلات المعروضة 4189 -- 4208 من 4691
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Transport impacts in Germany and State of Qatar: An assessment during the first wave of COVID-19
( Elsevier Ltd , 2022 , Article)Response measures to contain COVID-19 spread varied from country to country, some imposed a complete lockdown while some imposed partial restrictions. This paper compares the transport impacts of the COVID-19 pandemic for ... -
Trap States and Their Dynamics in Organometal Halide Perovskite Nanoparticles and Bulk Crystals
( American Chemical Society , 2016 , Article)Organometal halide perovskites have attracted tremendous attention for optoelectronic applications. Charge carrier trapping is one of the dominant processes often deteriorating the performance of devices. Here, we investigate ... -
Traumatic Brain Injury Can Affect Emotions and Behaviors
( Frontiers Media , 2023 , Article)Proper brain functioning is responsible for our feelings, behavior, and thinking. However, an injury to the brain can disrupt brain function, which can affect our emotions and behaviors. A traumatic brain injury (TBI) can ... -
Travel and Travelers
( Macmillan Reference USA, a part of Gale, Cengage Learning , 2016 , Book chapter)n/a -
Travelers’ preferences regarding autonomous mobility in the State of Qatar
( Springer , 2021 , Article)Autonomous mobility is gaining increasing attraction in the international setting that results in a growing body of literature on various aspects. Preferences regarding the use of autonomous vehicles as an alternative ... -
Treated Medical Wastes Concrete
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Medical wastes are hazardous, toxic and even lethal because of their high potential for disease transmission, All countries face a serious problem in the disposal of the medical wastes, where medical wastes rise rapidly ... -
Treatment of petroleum industry wastewater: current practices and perspectives
( Elsevier , 2022 , Book chapter)Petroleum industry is one of the major contributors to water pollution globally. The industry can discharge different types of pollutants that can be carcinogenic, phytotoxic, and genotoxic. The nature of these pollutants ... -
Treatment of saline wastewater and carbon dioxide capture using electrodialysis
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)In this study, electrodialysis was used to achieve a combined action of capturing carbon dioxide and treating high-salinity water to produce hydrochloric acid, hydrogen gas, and carbonate and bicarbonate salts. Sodium ... -
Treatment of wastewaters by microalgae and the potential applications of the produced biomass-a review
( MDPI AG , 2021 , Article)The treatment of different types of wastewater by physicochemical or biological (nonmicroalgal) methods could often be either inefficient or energy-intensive. Microalgae are ubiquitous microscopic organisms, which thrive ... -
Treatment with decitabine induces the expression of stemness markers, PD-L1 and NY-ESO-1 in colorectal cancer: potential for combined chemoimmunotherapy
( BioMed Central Ltd , 2023 , Article)Background: The mechanism of tumor immune escape and progression in colorectal cancer (CRC) is widely investigated in-vitro to help understand and identify agents that might play a crucial role in response to treatment and ... -
Trends in fecal carriage of carbapenemase-producing Enterobacterales in children before and after the implementation of international travel restrictions in response to COVID-19
( Elsevier , 2021 , Other)Qatar is located on the northeast coast of the Arabian Peninsula with a large expatriate population comprising 86% of the country's population, most of whom originate from Indian subcontinent countries [1]. International ... -
Trends in microalgal-based systems as a promising concept for emerging contaminants and mineral salt recovery from municipal wastewater
( Elsevier , 2023 , Article Review)In the context of climate change leading to water scarcity for many people in the world, the treatment of municipal wastewater becomes a necessity. However, the reuse of this water requires secondary and tertiary treatment ... -
Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar
( Elsevier , 2022 , Article)Background Prevalence trends from Arabic speaking countries on psychiatric symptoms before and after the first wave of the COVID-19 pandemic are lacking. We estimated the point prevalence and change in depression and ... -
Tri-molybdenum phosphide (Mo3P) and multi-walled carbon nanotube junctions for volatile organic compounds (VOCs) detection
( American Institute of Physics Inc. , 2021 , Article)Detection and analysis of volatile organic compounds' (VOCs) biomarkers lead to improvement in healthcare diagnosis and other applications such as chemical threat detection and food quality control. Here, we report on ... -
Tribological behaviour of 1D and 2D nanofiller based high densitypoly-ethylene hybrid nanocomposites: A run-in and steady state phase analysis
( Elsevier Ltd , 2017 , Article)Hybrid nanocomposites are a class of materials with exceptional properties due to the synergizing effect of individual fillers. Current work reports the tribological behaviour of high densitypolyethylene-(HDPE) reinforced ... -
Tribological studies of nanomodified mineral based multi-grade engine oil
( Research India Publications , 2017 , Article)This research study investigates the tribological behaviour of mineral based multi grade engine oil reinforced with nanoadditives using a pin on disc tribometer under different frictional conditions. Load, sliding speed, ... -
Trilayer composite scaffold for urethral reconstruction: in vitro evaluation of mechanical, biological, and angiogenic properties
( IOP Publishing , 2024 , Article)Regeneration of damaged urethral tissue remains a major challenge in the field of lower urinary tract reconstruction. To address this issue, various synthetic and natural biodegradable biomaterials are currently being ... -
Triple Negative Breast Cancer Profile, from Gene to microRNA, in Relation to Ethnicity.
( MDPI , 2019 , Article)Breast cancer is the most frequent cause of cancer-related deaths among women worldwide. It is classified into four major molecular subtypes. Triple-negative breast cancers (TNBCs), a subgroup of breast cancer, are defined ... -
Trusted News Sources’ Measures and their Relationships to Social and Public Attitudes: An Analysis of the First Annual Omnibus Survey of Life in Qatar
( Georgia State Univesrity , 2013 , Article)An overwhelming majority (77 percent) of Qatari Nationals reported television as their most trusted local news source (87 percent for Arab/regional news and 89 percent for international news), and 80 percent rated the ... -
Tryptophan-functionalized gold nanoparticles for deep UV imaging of microbial cells
( Elsevier , 2015 , Article)Biocompatible fluorescent nanostructures were prepared by a functionalization of gold nanoparticles with the amino acid tryptophan. The gold-tryptophan bioconjugates were investigated by TEM and HRTEM and various spectroscopy ...
