Search
Now showing items 4361-4370 of 23256
ندوة.. "ما الذي يجري في اليمن؟"
(
Al Jazeera Mubasher قناة الجزيرة مباشر
, 2019 , Video)
أصل هذا الفيديو المنتدى الحواري الذي نظّمه مركز ابن خلدون للعلوم الإنسانية والاجتماعية بجامعة قطر بالتعاون مع مركز الجزيرة للدراسات، ومركز بروكينجز الدوحة، والجريرة مباشر في قاعة ابن خلدون بجامعة قطر. وذلك يوم الأربعاء ...
Synthesis, Characterization and Surface Properties of Amidosulfobetaine Surfactants Bearing Odd-Number Hydrophobic Tail
(
Springer Verlag
, 2016 , Article)
Three amidosulfobetaine surfactants were synthesized namely: 3‐(N‐pentadecanamidopropyl‐N,N‐dimethyl ammonium) propanesulfonate (2a); 3‐(N‐heptadecanamidopropyl‐N,N‐dimethyl ammonium) propanesulfonate (2b), and ...
Distributed Learning-Based Cross-Layer Technique for Energy-Efficient Multicarrier Dynamic Spectrum Access with Adaptive Power Allocation
(
Institute of Electrical and Electronics Engineers Inc.
, 2016 , Article)
This paper proposes energy and cross-layer aware resource allocation techniques that allow dynamic spectrum access (DSA) users, by means of learning algorithms, to locate and exploit unused spectrum opportunities effectively. ...
A Novel method for online correction of amplitude and phase imbalances in sinusoidal encoders signals
(
Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
Resolvers and other sinusoidal transducers are angular position and speed sensors that produce supposedly perfect sine and cosine signals in which the angular position is encoded. Suitable converters are normally used to ...
Local community perception of climate change adaptation in Egypt
(
Institute of Physics Publishing
, 2018 , Conference Paper)
Climate change policies in countries of the Middle East and Northern Africa (MENA) region are evolving from a top-down, government-led approach towards more pluralistic climate governance, which incorporates a local ...
CYBER-ATTACKS AGAINST VOLTAGE PROFILE IN SMART DISTRIBUTION GRIDS WITH HIGHLY-DISPERSED PV GENERATORS: DETECTION AND PROTECTION
(2021 , Master Thesis)
In this work, we study the effect of cyber-attacks on voltage regulation in smart grids with highly dispersed photovoltaic (PV) power generators. We picture how the cyber-attacks in the distribution network with the existence ...
استعمال الوسائل الحديثة في التّعليم الشّرعي: عوائق وتحدّيات
(
الراية الدولية الإلكترونية
, 2019 , Article)
هدفت هذه الورقة إلى دراسة قضايا هامّة متعلّقة باستعمال الوسائل الحديثة في التعليم الشرعي. فتطرقت إلى فوائدها وسلبياتها، وعلَّلت ظاهرة تراجع التعليم الشرعي رغم تقدم وسائله وتطورها، وأوضحت العوائق والتحديات التي تحول دون ...
Sugar-based novel niosomal nanocarrier system for enhanced oral bioavailability of levofloxacin
(
Taylor and Francis Ltd
, 2016 , Article)
Context: Vesicular systems have attracted great attention in drug delivery because of their amphiphilicity, biodegradability, non-toxicity and potential for increasing drug bioavailability. Objective: A novel sugar-based ...
فوائد تعليل الأحكام الشرعية: دراسة أصولية
(
جامعة القصيم
, 2020 , Article)
ملخص البحث. هدفت هذه الدراسة إلى استقراء فوائد تعليل الأحكام الشرعية وشرحها وتحليلها والتمثيل لما. وذلك بتتبّع ما قاله الأصوليون والمقاصديّون في هذا الباب وسبره وتحليله وتصنيفه وشرحه. ويرى الباحث حصر هذه الفوائد في ثمان ...
Computationally efficient environmental monitoring with electronic nose: A potential technology for ambient assisted living
(
Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
Recently, ambient assisted living technologies have emerged to improve the quality of life of ageing populations. Identification of health-endangering indoor gases with a hardware-friendly solution may provide an early ...