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Now showing items 41-50 of 4361
Investigation on the effect of LiTFSI salt on PVDF-based Solid Polymer Electrolyte Membranes for Lithium-Ion Batteries
(
Qatar University Press
, 2021 , Poster)
Solid polymer electrolytes provide an alternative approach to providing improved safety whilst concurrently acting as a performance enhanced separator within Lithium-ion batteries (LIBs). This investigation studies the ...
في مدارس دولة قطر من وجهة نظر معلميهم (TIMSS) أسباب تدني نتائج طلبة الصف الرابع في الاختبارات الدولية
(
Qatar University Press
, 2020 , Poster)
في الوقت الحالي أولى المجتمع اهتماما كبير بموضوع اختبارات قياس الأداء الدولية مثل اختبارات التيمز فعملية التقييم أو القياس تعد من أهم العمليات التي تحتاجها كل دولة. والتي تعنى بتجميع البيانات والإحصاءات لتكون بمثابة مؤشر ...
Population Structure And Growth Curve Of Acanthopleura Gemmata (Mollusca: Polyplacophora) In The Northwestern Red Sea
(
Qatar University
, 1996 , Article)
Studies on Acanthopleura gemmata population were carried out in a site located on northwestern coast of the Red Sea called Sharm Elnagha, 40 km south of Hurghada city, Egypt (26° 56' N and 43° 00' E). In these studies, the ...
Climate Change and the Structural Resilience of the Doha Metro
(
Qatar Univesrity Press
, 2020 , Conference Paper)
In recent years, the Doha Metro has been the spearhead of Qatar's effort to expand and
upgrade its transportation infrastructure. In its current phase it will comprise three lines
of an approximate overall length of 76 km ...
Pretreatment of cyanobacterial Chroococcidiopsis. biomass prior to hydrothermal liquefaction for enhanced hydrocarbon yield and energy recovery
(
Qatar University Press
, 2020 , Poster)
Chroococcidiopsis sp. was grown in 200 L open raceway pond. Biomass density and average biomass productivity were 0.41 g/L and 16.1 g/m2/d. Chroococcidiopsis biomass was harvested by self-settling. Self settled biomass was ...
Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis
(
Qatar University
, 1996 , Article)
It was proposed to find out the optimum environmental conditions and nutritional requirements for highest growth regulating substance and enzyme production by Streptomyces olivaceoviridis. The optimum oc-amylase and ...
Evaluation Of Soil And Water Resources In Wadi Wardan, Sinai, Egypt, Using Electrical Resistivity Method
(
Qatar University
, 1985 , Article)
A number of 15 Vertical Electrical Soundings were carried out in the Delta of Wadi Wardan, on the western coastal zone of Sinai, about 55 km south of Suez. The study objectives were to find out the change in thickness of ...
The Development of Urban to Support Sport Tourism in Qatar, A Case Study: West Bay North Beach
(
Qatar University Press
, 2021 , Poster)
Sports the travel industry is recognized as movement that includes either watching or taking part in a game while staying outside of the sightseers' typical environmental factors. Major games, like the football, Olympic ...
صورة الإنسان بين المرجعيتين الإسلامية والغربية
(
Qatar University
, 2019 , Article)
عالج هذه الورقة موضوع (صورة الإنسان بين المرجعيتين الإسلامية والغربية) من خلال الكشف عن أصوله التي ينضبط بها تعريفه في القرآن الكريم والسنة النبوية الشريفة وهي: الفكر والغرائز والعقائد والأعمال؛ «لأن الإنسان(حسب عبد الحميد ...
The effect of subsidies on healthful consumption: Systematic review and data synthesis
(
Qatar University Press
, 2020 , Poster)
Background: Prevalence of obesity and overweight has risen to the level of an epidemic. Health policy makers are seeking evidence-based solutions to this problem. This study reviews evidence on the subsidization of healthy ...