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Now showing items 1721-1730 of 1768
مستوى وعي طلبة الصف الحادي عشر في سلطنة عمان بالأمن الغذائي في ضوء بعض المتغيرات
(
Qatar University Press
, 2019 , Article)
تهدف هذه الدراسة الكشف عن مستوى وعي طلبة الصف الحادي عشر في سلطنة عمان بموضوع الأمن الغذائي، وعلاقة ذلك بمتغيري النوع والتخصص (علمي/أدبي). استخدمت الدراسة المنهج الوصفي، بحيث تم تطبيق استبانة مكونة من 36 عبارة موزعة على ...
The effective practices of mobile phone producers' green supply chain management in reducing GHG emissions
(
John Wiley and Sons Inc.
, 2019 , Article)
The aim of this study is to identify management practices that effectively reduce greenhouse gas (GHG) emissions with regard to the green supply chain adopted by mobile phone producers. Six cases were surveyed (Apple, ...
Water-pipe smoking and serum testosterone levels in adult males in Qatar.
(
European Publishing
, 2019 , Article)
Water-pipe (WP) smoking is the most common method of tobacco consumption in the Middle-East and is rapidly spreading on a global scale. Although, water-pipe smoking is linked to various diseases, such as emphysema and ...
Glycine improves peritoneal vasoreactivity to dialysis solutions in the elderly
(
Hamad Medical Corporation
, 2019 , Article)
Background: Peritoneal dialysis solution (PDS) dilates peritoneal microvessels predominantly by the activation of the endothelial nitric oxide (NO) pathway. We made an incidental observation of decreased PDS-induced, ...
Teaching style differences between male and female science teachers in qatari schools: Possible impact on student achievement
(
Modestum LTD
, 2019 , Article)
In Qatar's gender-segregated public schools, female students outperform male students in international science tests such as PISA and TIMMS. In contrast to the international trend for top performing countries, however, ...
Combustion synthesis of non-precious CuO-CeO2 nanocrystalline catalysts with enhanced catalytic activity for methane oxidation
(
MDPI AG
, 2019 , Article)
In this study, xCuO-CeO2 mixed oxide catalysts (Cu weight ratio x = 1.5, 3, 4.5, 6 and 15 wt.%) were prepared using solution combustion synthesis (SCS) and their catalytic activities towards the methane (CH4) oxidation ...
Protein expression profiling identifies key proteins and pathways involved in growth inhibitory effects exerted by guggulsterone in human colorectal cancer cells
(
MDPI AG
, 2019 , Article)
Colorectal cancer (CRC) is a leading killer cancer worldwide and one of the most common malignancies with increasing incidences of mortality. Guggulsterone (GS) is a plant sterol used for treatment of various ailments such ...
Electrically conductive electrospun polymeric mats for sensing dispersed vegetable oil impurities inwastewater
(
MDPI AG
, 2019 , Article)
This paper addresses the preparation of electrically conductive electrospun mats on a base of styrene-isoprene-styrene copolymer (SIS) and multiwall carbon nanotubes (CNTs) and their application as active sensing elements ...
Plegadognathus bonariensis (Acari: Halacaridae): First halacarid mite report from Qatar
(
Acarological Society of Iran
, 2019 , Article)
In this study, the genus Plegadognathus Morselli, 1981 with the species P. bonariensis. Viets, 1936) is recorded from Qatar for the first time. Diagnoses for the genus Plegadognathus and the short description of female of ...
Can IT industry merger and acquisition effect on brand equity of their product/services? A case study from Qatar
(
Medwell Journals
, 2019 , Article)
A combination of assets and liabilities when associated to a brand which provides additional value to the specific product and/or service is brand equity. Branding is used as a means to arrive at a conclusion and decision ...