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السجلات المعروضة 151 -- 160 من 5521
Properties of Dialkylcarbonate + 1-Alkanol Mixtures at the Vacuum Interface
(
American Chemical Society
, 2016 , Article)
The properties of solutions formed by dialkylcarbonate + 1-alkanol solutions are studied using classic molecular dynamics simulations. The effects of solution composition, temperature, and dialkylcarbonate type have been ...
Political Contingency and the Implementation of Qatarization
(
Qatar University
, 2011 , Article)
This paper represents an exploratory study that examines political contingency in a less liberal regulatory regime such as the ‘positive state’ or the ‘developmental state’. As an example of a state-led policy, the ...
Impacts of urbanization on the distribution of heavy metals in soils along the Huangpu River, the drinking water source for Shanghai
(
Springer Berlin Heidelberg
, 2015 , Article)
We investigated the horizontal and vertical distribution of heavy metals (Hg, Pb, Zn, Cu, Cd, As, Ni, and Cr) in soils in the water source protection zone for Shanghai to study the origins of these metals, their connections ...
Greenhouse gas (GHG) emissions in the Sultanate of Oman
(
Society of Chemical Industry and John Wiley & Sons, Ltd
, 2015 , Article)
Worldwide, many countries are being affected by greenhouse gas (GHG) emissions. The Sultanate of Oman is no exception. In Oman, both oil- and natural-gas-related activities have the most important shares of the nation's ...
Advances in Tailoring Resorcinol-Formaldehyde Organic and Carbon Gels
(
WILEY-VCH Verlag
, 2011 , Article)
An overview on the preparation and properties of resorcinol-formaldehyde (RF) organic and carbon gels reveals the fascinating and remarkably flexible properties of RF carbon and organic gels and how these properties are ...
Antenna subset selection at multi-antenna relay with adaptive modulation
(
John Wiley & Sons, Ltd.
, 2013 , Article)
In this paper, we proposed several antenna selection schemes for cooperative diversity systems with adaptive transmission. The proposed schemes were based on dual-hop relaying where a relay with multiple-antenna capabilities ...
High gain observer for a three-cell chopper: Design and experimental results
(
John Wiley & Sons, Ltd.
, 2014 , Article)
As capacitor voltages are necessary for the three-cell DC�DC chopper control, the estimation of such voltages by an observer is attractive solution in terms of cost. However, due to the hybrid behavior of this structure, ...
Effects of perceived social support and family demands on college students' mental well-being: A cross-cultural investigation
(
John Wiley & Sons, Ltd
, 2015 , Article)
The effects of perceived social support and family demands on college students' mental well-being (perceived stress and depression) were assessed in 2 samples of Jordanian and Turkish college students. Statistically ...
The effects of knee joint kinematics on anterior cruciate ligament injury and articular cartilage damage
(
Taylor and Francis Ltd.
, 2016 , Article)
This study determined which knee joint motions lead to anterior cruciate ligament (ACL) rupture with the knee at 25° of flexion. The knee was subjected to internal and external rotations, as well as varus and valgus motions. ...
Mobile Application for Diabetes Control in Qatar
(
IEEE
, 2012 , Article)
In Qatar, the prevalence of diabetes is significantly high, therefore a lot of efforts have been made to control this epidemic. This paper presents a mobile application aims to assist diabetic people in Qatar to manage ...