بحث بسيط
السجلات المعروضة 3921 -- 3930 من 4055
Risk Perception and Psychological Impact of COVID-19 Pandemic Among Healthcare Workers in Primary and Secondary Healthcare Settings in Qatar: A National Study
(
SAGE Publications Inc.
, 2021 , Article)
Introduction: During the coronavirus disease 2019 (COVID-19) pandemic, primary and secondary healthcare workers (HCWs) have faced unprecedented stress, jeopardizing their mental well-being. Aims: To compare risk perception ...
Turbulence Modeling Using Z-F Model and RSM for Flow Analysis in Z-SHAPE Ducts
(
Wiley
, 2020 , Article)
Turbulent flow in Z-shape duct configuration is investigated using Reynolds stress model (RSM) and ζ-f model and compared to experimental results. Both RSM and ζ-f models are based on steady-state RANS solutions. The focus ...
Harvesting water from air using adsorption material - Prototype and experimental results
(
Elsevier
, 2021 , Article)
Drinking water resources have always been limited in the gulf region of the Middle East and other desert regions around the world. In attempt to provide viable supplement, a device that harvests clean drinking water from ...
A combined thermo-mechanical refrigeration system with isobaric expander-compressor unit powered by low grade heat – Design and analysis
(
Elsevier
, 2020 , Article)
Refrigeration and air conditioning systems consume about 17% of the world-wide electricity and their conventional refrigerants cause ozone depletion and global warming. In this study a novel thermo-mechanical refrigeration ...
Assessing Pharmacists Knowledge and Attitude Toward the Direct Oral Anticoagulants in Qatar
(
SAGE Publications Inc.
, 2020 , Article)
Pharmacists were found to play a key role in anticoagulation care. In order to make an appropriate selection and counselling regarding direct oral anticoagulants (DOACs), pharmacists should be knowledgeable and abiding by ...
Chitosan/lignosulfonate nanospheres as "green" biocide for controlling the microbiologically influenced corrosion of carbon steel
(
MDPI AG
, 2020 , Article)
In this work, uniform cross-linked chitosan/lignosulfonate (CS/LS) nanospheres with an average diameter of 150-200 nm have been successfully used as a novel, environmentally friendly biocide for the inhibition of mixed ...
Synthesis and performance evaluation of Na(2-x)LixFeP2O7 (x=0, 0.6) hybrid cathodes
(
John Wiley and Sons Inc
, 2020 , Article)
This study reports hybrid cathodes formation by cation substitution in which Li+ substitution has been considered for Na+ in the structure of Na(2-x)LixFeP2O7 (x=0, 0.6) to form Na1.4Li0.6FeP2O7 cathodes. Na(2-x)LixFeP2O7 ...
Tumor reversion: a dream or a reality.
(
Pubmed
, 2021 , Article)
Reversion of tumor to a normal differentiated cell once considered a dream is now at the brink of becoming a reality. Different layers of molecules/events such as microRNAs, transcription factors, alternative RNA splicing, ...
Cellular uptake and retention of nanoparticles: Insights on particle properties and interaction with cellular components
(
Elsevier Ltd
, 2020 , Article)
The utilization of nanomaterials in the biological and medical field is quickly progressing, particularly in areas where traditional diagnostics and treatment approaches have limited success. The success of nanomaterials ...
Haemoglobin cut-off values for the diagnosis of anaemia in preschool-age children.
(
e-Century Publishing
, 2021 , Article)
The World Health Organisation (WHO) suggests haemoglobin that (Hgb) cut-off levels below 2SD from the population mean to initiate anaemia investigations. In the absence of epidemiological data, Hgb less than 11 g/dL is ...