بحث بسيط
السجلات المعروضة 911 -- 920 من 1040
The importance of microbial mats for dolomite formation in the Dohat Faishakh sabkha, Qatar
(
Springer Verlag
, 2015 , Article)
The Dohat Faishakh sabkha in Qatar is one of the rare modern environments where it is possible to study the formation of dolomite, a mineral whose origin has been long debated. In previous studies, dolomite formation in ...
Social Capital and Citizens’ Attitudes towards Migrant Workers
(
Cogitatio Press
, 2017 , Article)
This study examines Qatari citizens’ attitudes toward migrant workers. While much research has been conducted on citizens’ attitudes toward the abolition, tightening, or loosening of the Kafāla system in the Gulf Cooperation ...
Benchmarking the Self-Assembly of Surfactin Biosurfactant at the Liquid–Air Interface to those of Synthetic Surfactants
(
Springer-Verlag
, 2016 , Article)
The adsorption of surfactin, a lipopeptide biosurfactant, at the liquid–air interface has been investigated in this work. The maximum adsorption density and the nature and the extent of lateral interaction between the ...
Effects of aniline concentrations on the electrical and mechanical properties of polyaniline polyvinyl alcohol blends
(
Elsevier
, 2015 , Article)
Abstract In this work, we present an exclusive study on the effect of the feeding ratio of the monomer (aniline) on the structural, thermal, mechanical and electrical properties of polyaniline (PANI) polyvinyl alcohol (PVA) ...
Preparation and Preliminary Dielectric Characterization of Structured C60-Thiol-Ene Polymer Nanocomposites Assembled Using the Thiol-Ene Click Reaction
(
MDPI AG
, 2015 , Article)
Fullerene-containing materials have the ability to store and release electrical energy. Therefore, fullerenes may ultimately find use in high-voltage equipment devices or as super capacitors for high electric energy storage ...
Health and Safety Concerns: Quantitative Studies of Leaching of Metals from Glazed Surfaces of Traditional Ceramic Potteries
(
Open Science Publishers
, 2017 , Article)
Traditional ceramic wares have been known as a source of heavy metals poisoning. Traditional ceramic potteries may be improperly glazed, and the glaze used to make the pottery may contain over amounts of heavy metals. These ...
Baseline monitoring gastropods in the intertidal zone of Qatar - target species and bioindicators for hyper-thermic and hyper-saline Conditions
(
ARC Publications Pvt Ltd.
, 2015 , Article)
The Arabian Gulf is subjected to some of the most intense sea water temperatures and salinity levels in the world. In an attempt to understand the distribution and species composition of gastropod assemblages which live ...
Reduced erbium-doped ceria nanoparticles: One nano-host applicable for simultaneous optical down- and up-conversions
(
Springer Nature
, 2014 , Article)
This paper introduces a new synthesis procedure to form erbium-doped ceria nanoparticles (EDC NPs) that can act as an optical medium for both up-conversion and down-conversion in the same time. This synthesis process results ...
Qatar’s vision of global problems, challenges and solutions
(
QScience - Hamad Bin Khalifa University Press
, 2016 , Conference Paper)
Since Qatar first signed the Biodiversity Convention in Rio in 1992, Qatar has been a strong advocate with keen interest in sustainability and the preservation of its biodiversity noting that advancement in industry should ...
Bridging a gulf between environmental attitudes and behavior: Assessment of motivating factors for the youth in Qatar
(
HBKU Press
, 2016 , Conference Paper)
To this day, there is a dearth of published research on environmental awareness, attitudes and behaviour
in the Arabian Gulf, and there is no systematic data regarding the value people place on the environment.
Understanding ...