Search
Now showing items 21-30 of 2765
Determinants of Student Absenteeism/Presenteeism in Qatar: A Path Analysis
(
SCHOLINK INC
, 2020 , Article)
The current study sought to investigate the perceptions of school teachers regarding student absenteeism and presenteeism in the State of Qatar. Drawing on the existing relevant literature in the field and based on a survey ...
E-Cigarette Liquid Provokes Significant Embryotoxicity and Inhibits Angiogenesis.
(
MDPI
, 2020 , Article)
E-cigarette smoking (ECS) is a new method of tobacco smoking that is gaining popularity as it is thought to be a "healthy method" of tobacco consumption. The adverse outcomes of ECS on the respiratory and cardiovascular ...
Enhanced performance of nano-sized SiC reinforced Al metal matrix nanocomposites synthesized through microwave sintering and hot extrusion techniques
(
Elsevier B.V.
, 2017 , Article)
In the present study, nano-sized SiC (0, 0.3, 0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were fabricated by microwave sintering and hot extrusion techniques. The structural (XRD, SEM), mechanical ...
Soluble ACE2 and Angiotensin II levels Modulated in Hypertensive COVID-19 Patients treated with different Antihypertension Drugs
(
Qatar University Press
, 2021 , Poster)
Hypertension is a major risk factor and common comorbidity among severe Coronavirus Disease 2019 (COVID-19) patients. Prominent antihypertensive drugs, such as angiotensin-converting-enzyme inhibitors (ACEi) and angiotensin ...
Impacts of rapid urbanization on ecosystem services under different scenarios – A case study in Dianchi Lake Basin, China
(
Elsevier
, 2021 , Article)
Dianchi Lake Basin (DLB) is a typical and representative type of urbanization model based on the plateau lake ecosystem, with scarce land resources, deficient water resources, and a fragile ecological environment, in ...
Biomass loss in village ecosystems in Western Himalaya due to wild monkey interactions: A case study
(
Elsevier
, 2021 , Article)
Conservation faces the challenge of reconciling human activities with the simultaneous presence of wildlife in cultivated landscapes. In a study carried out in two villages of Pauri Garhwal, Western Himalaya, an attempt ...
Investigation of potential rupture locations for abdominal aortic aneurysms with patient-specific computational fluid dynamic analysis approach
(
Qatar University Press
, 2021 , Poster)
Background: About 18 million people die each year from cardiovascular disorders, accounting for 31% of all deaths worldwide. Abdominal Aortic Aneurysm (AAA) is a serious clinical condition manifested as dilation of the ...
Demographic and Clinical Characteristics of Early Travel-Associated COVID-19 Cases
(
Frontiers Media
, 2020 , Article)
© Copyright © 2020 Marei, Emara, Elsaied, Nasrallah, Chivese, Al-Romaihi, Althani, Al Thani, Farag and Yassine. Background: SARS-CoV-2 continues to claim hundreds of thousands of people's lives. It mostly affects the elderly ...
Halogen-free flame-retardant compounds. Thermal decomposition and flammability behavior for alternative polyethylene grades
(
MDPI AG
, 2019 , Article)
The effect of six halogen-free flame retardant (FR) formulations was investigated on the thermal stability of two low-density polyethylenes (LDPE) and one linear low-density polyethylene (LLDPE), by means of thermogravimetric ...
Comparing Levels of Metabolic Predictors of Coronary Heart Disease between Healthy Lean and Overweight Females.
(
MDPI
, 2021 , Article)
Screening for the metabolomic signature of coronary heart disease (CHD) before disease onset could help in early diagnosis and potentially disease prevention. In this study, the levels of 17 CHD metabolic biomarkers in ...