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Now showing items 51-60 of 124
A bearingless coaxial magnetic gearbox
(
Elsevier
, 2014 , Article)
Recently, magnetic gearboxes (MGBs) are serious contenders to their conventional mechanical counterparts in terms of reduced maintenance requirements, improved reliability, tolerance to mechanical inaccuracies, and inherent ...
Existence and approximation results for SKC mappings in CAT(0) spaces
(
Springer International Publishing
, 2014 , Article)
Recently, Karap?nar and Tas (Comput. Math. Appl. 61:3370-3380, 2011) extended the class of Suzuki-generalized nonexpansive mappings to the class of SKC mappings. In this paper, we investigate SKC mappings to get a criterion ...
Parallel LQP alternating direction method for solving variational inequality problems with separable structure
(
Springer International Publishing
, 2014 , Article)
In this paper, we propose a logarithmic-quadratic proximal alternating direction method for structured variational inequalities. The predictor is obtained by solving series of related systems of nonlinear equations, and ...
The impact of Qatar national professional standards: Teachers’ perspectives
(
Consortia Academia Publishing
, 2014 , Article)
Over the past twenty years, countries have embraced educational reforms that are driven by
standards-based education that include professional standards for teachers. This is the case in
Qatar where professional standards ...
إشكالات عقد الإجارة المنتهية بالتملك في المصارف الإسلامية القطرية
(
جامعة قطر
, 2014 , Article)
موضوع هذه الدراسة هو عقد الاجارة المنتهي بالتمليك كما هو مطبق في المصارف الاسلامية في دولة قطر، حيث تتعرض هذه الدراسة إلى مفهوم الاجارة وشروطها، ومفهوم عقد الاجارة المنتهي بالتمليك وحكمها الشرعي، وثم أخيرا تقوم هذه الدراسة ...
Colorectal and Prostate Cancer Risk in Diabetes: Metformin, an Actor behind the Scene
(
Ivyspring International Publisher
, 2014 , Article)
Both diabetes and cancer are prevalent diseases whose incidence rates are increasing worldwide, especially in countries that are undergoing rapid industrialization changes. Apparently, lifestyle risk factors including diet, ...
Estimating the carbon dynamics of South Korean forests from 1954 to 2012
(
Copernicus GmbH
, 2014 , Article)
Forests play an important role in the global carbon (C) cycle, and the South Korean forests also contribute to this global C cycle. While the South Korean forest ecosystem was almost completely destroyed by exploitation ...
Earth-abundant oxygen evolution catalysts coupled onto ZnO nanowire arrays for efficient photoelectrochemical water cleavage
(
Wiley-VCH Verlag
, 2014 , Article)
ZnO has long been considered as a model UV-driven photoanode for photoelectrochemical water splitting, but its performance has been limited by fast charge-carrier recombination, extremely poor stability in aqueous solution, ...
A Habermasian Analysis of Qatar's National Teacher Professional Standards
(
Macrothink Institute
, 2014 , Article)
The belief that implementing professional standards will improve teaching and learning has
led many countries to embrace standards based educational reforms. Qatar is one of those
nations implementing, Education for a ...
الأخلاق القرآنية وأثرها في انتشار الدعوة الإسلامية
(
كلية الآداب - جامعة الخرطوم
, 2014 , Article)
يتضمن هذا البحث بيان الأخلاق القرآنية وأنواعها ، وأهميتها في بناء المجتمعات الفاضلة ، وتوثيق مكانتها باعتبارها عاملاً أساسياً في انتشار الدين الإسلامي في أرجاء المعمورة ، تناول البحث قضايا ذات أهمية مثل جوهر الأخلاق . ...