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Now showing items 2581-2590 of 8967
Thin, flexible supercapacitors made from carbon nanofiber electrodes decorated at room temperature with manganese oxide nanosheets
(
Hindawi Publishing Corporation
, 2013 , Article)
We report the fabrication and electrochemical performance of a flexible thin film supercapacitor with a novel nanostructured composite electrode. The electrode was prepared by in situ coprecipitation of two-dimensional ...
النصيحة في القرآن مفهومها مجالاتها تطبيقاتها المعاصرة
(
جامعة قطر
, 2013 , Article)
لا يمكن لباحث أكاديمي في موضوع النصيحة وما يتعلق بها أن يصل إلى قول فصل عملي صالح لكل زمان ومكان، ورؤية مستنيرة تناسب الظروف والأحوال، ونتائج علمية تفيد البحث والباحثين دون أن يتطرق-بتأمل ودراسة وتدقيق- إلى حديث القرآن ...
Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Mercury metal is released into water by different sources including sewage industrial waste, thus, it can enter human food chain. It is considered one of the most harmful pollutant of heavy metals since it is non-biodegradable, ...
The gut microbiota and developmental programming of the testis in mice
(
Public Library of Science
, 2014 , Article)
Nutrients and environmental chemicals, including endocrine disruptors, have been incriminated in the current increase in male reproductive dysfunction, but the underlying mechanisms remain unknown. The gastrointestinal ...
Synthesis, Characterization, Crystal Structures, and in vitro Antitumor Activity of Palladium and Platinum (Ii) Complexes with 2-Acetyl-4-Methylthiazole Thiosemicarbazone and 2-Acetylpyrazine Thiosemicarbazone
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
The novel Schiff bases I HAMTTSC (2-Acetyl-4-methylthiazole thiosemicarbazone), II HAPTSC(2-Acetylpyrazine thiosemicarbazone) and their complexes with Pt(II) and Pd(II): 1 [Pt(AMTTSC)Cl], 2 [Pt(AMTTSC)2], 3 [Pd(AMTTSC)Cl], ...
Computational Simulation Of Organic Rankine Cycle Retrofitted To Petroleum Well
(
Hamad bin Khalifa University Press (HBKU Press)
, 2014 , Conference Paper)
Geothermal refers to existing heat energy in deep rock and sedimentary basins. Unlike other types of renewable energy resources, geothermal energy provides a stable source of energy as it can be exploited regardless of ...
The Role of the Manager in the Middle East: An Empirical Study of Multinational Companies
(
SAGE Journals
, 2019 , Article)
This article is an empirical investigation into the role of the CEO manager in the affiliates of multinational corporations operating in the Middle East. Grounded in a literature review of the reasons for employing either ...
Investigation of the Learning Environment in Higher and Lower Performing "Education for a New Era" Schools
(2010 , Conference Paper)
Recently, Qatar established key elements of educational reform including curriculum standards; emphasis on student-centered teaching; charter school establishment; standards-based assessment; English as the language of ...
Natural Dyes in Cyanide and Anion Sensing
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Cyanide is one of anions of concern due to its high toxicity. It causes death at a low dosage (2.6 mM) and the allowable level should be lower than 1.9 mmolar according to World health Organization (WHO). Cyanide contamination ...
النهضة الإسلامية بين جناحي العلم والعمل
(
جامعة قطر
, 2014 , Article)
لا غرو أن بذور الانفصال كانت منثورة في ظل الخلافات الإسلامية المتعاقبة، وذلك على الرغم من محاولات الاتصال والاتساق على مستوى الفرد بين أقواله وأفعاله وعلى مستوى الأمة بين النظر والتطبيق، وبدا أثر ذلك في تجليات إبداعية عكست ...