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Now showing items 3501-3510 of 12404
Pomegranate peels as versatile adsorbents for water purification: Application of box–behnken design as a methodological optimization approach
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John Wiley and Sons Inc.
, 2019 , Article)
Pomegranate peels (PGP) were tested as a green adsorbent for the removal of Ni(II) from contaminated water samples. Both raw (RPG), and char/burnt peels (BPG) were tested. A multivariate analysis approach, Box–Behnken (BB) ...
Finite Element Analysis of Porous Titanium Alloy Hip Stem to Evaluate the Biomechanical Performance During Walking and Stair Climbing
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Springer
, 2019 , Article)
Despite the success of cementless hip stem, stress shielding still presents a serious problem leading to bone resorption. Stems incorporating porous cellular structures represent a promising solution. Therefore, this study ...
Optimization of physicochemical and dielectric features in the conductive copolymers of aniline and 2-aminophenol
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Springer Verlag
, 2019 , Article)
The current exploration emphasizes improving the solubility and thermal characteristics of the homopolymers–polyaniline and poly-2-aminophenol via copolymerization technique with simultaneous optimization of conductivity ...
الإطار الدستوري للسياسة الدفاعية القطرية
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المركز العربي للأبحاث ودراسة السياسات
, 2021 , Article)
تأتي هذه الدراسة لتملأ الفراغ الموجود، من خلال الإجابة عن بعض الأسئلة مثل: ما النصوص القانونية التي تتناول العلاقات المدنية العسكرية في الدستور القطري؟ وهل يكرّس الدستور القطري مبدأ سيادة السلطة المدنية على المؤسسة العسكرية؟ ...
Sedentary Behavior, Physical Activity, and All-Cause Mortality: Dose-Response and Intensity Weighted Time-Use Meta-analysis.
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Elsevier
, 2019 , Article)
Previous studies have placed those with excessive sedentary behavior at increased risk of all-cause mortality. There is evidence of interdependency of sedentary behavior with physical activity, and its elucidation will ...
New clinical approaches and emerging evidence on immune-checkpoint inhibitors as anti-cancer therapeutics: CTLA-4 and PD-1 pathways and beyond
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Begell House Inc.
, 2019 , Article)
The development of immune checkpoint blockers, primarily comprising the anti-PD-1/anti-PD-L1 and anti-CTLA-4 monoclonal antibodies, has formed the therapeutic landscape of quite a few different cancer types. In spite of ...
Physical activity in pregnancy prevents gestational diabetes: A meta-analysis
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Elsevier
, 2020 , Article)
AimsThe effectiveness of physical activity (PA) programs for prevention of gestational diabetes (GDM) lacks conclusive evidence. The aim of this study was to generate clear evidence regarding the effectiveness of physical ...
A Biomarker Based Severity Progression Indicator for COVID-19: The Kuwait Prognosis Indicator Score.
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Taylor and Francis
, 2020 , Article)
COVID-19 is a worldwide pandemic that is mild in most patients but can result in a pneumonia like illness with progression to acute respiratory distress syndrome and death. Predicting the disease severity at time of diagnosis ...
Nine-phase six-terminal pole-amplitude modulated induction motor for electric vehicle applications
(
Institution of Engineering and Technology
, 2019 , Article)
In electric drive applications that are based on high-speed induction motors (IMs) with an extended speed range, stator winding pole-changing is a possible technique to avoid oversizing the driving motor. The electronic ...
Crushing analysis and multi-objective optimization of different length bi-thin walled cylindrical structures under axial impact loading
(
Taylor and Francis Ltd.
, 2019 , Article)
This article attempts to increase the crashworthiness characteristics of energy absorbers. It is found that the effect of the bi-tubular arrangement on the energy absorption and peak force is nonlinear. This nonlinearity ...