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السجلات المعروضة 611 -- 620 من 3355
The Oxford Handbook of International Climate Change Law. Edited by CINNAMON P CARLARNE, KEVIN R GRAY and RICHARD TARASOFSKY
(
Oxford University Press
, 2017 , Article)
The urgency of climate change necessitates considering what types of governance options are available when the existing approaches are failing.1
The United Nations Framework Climate Change Convention (UNFCCC) Secretariat’s ...
Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae
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Royal Society of Chemistry
, 2022 , Article)
To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) ...
التكامل الإقليمي في مجال الغاز بين دول مجلس التعاون لدول الخليج العربية: الماضي الصعب والمستقبلات الممكنة
(
المركز العربي للأبحاث ودراسة السياسات
, 2018 , Article)
يعرض هذا البحث ديناميات التكامل الإقليمي في مجال الغاز بين دول مجلس التعاون لدول الخليج العربية منذ انطلاق "مشروع دولفين للطاقة" في عام 1999؛ ويقترح سيناريوهات لصادرات الغاز عبر خطوط الأنابيب حتى عام 2020. فاستنادًا إلى ...
Enhancing Power Conversion Efficiency of Dye-Sensitized Solar Cell Using TiO2-MWCNT Composite Photoanodes
(
IEEE Electron Devices Society
, 2016 , Article)
The aim of this work is to improve the power conversion efficiency (PCE) of dye-sensitized solar cells (DSSCs) using composite films consisting of titanium oxide (TiO2) nanoparticles and multiwalled carbon nanotubes (MWCNTs). ...
Characteristics and sources of anthropogenic and biogenic hydrocarbons in sediments from the coast of Qatar.
(
Elsevier
, 2017 , Article)
Surface sediment samples from the coastal zone of Qatar were collected and analyzed to determine the characteristics, and sources of anthropogenic and biogenic hydrocarbons. The main compounds in these surface sediments ...
Isolation and characterization of a newly naphthalene degrading Halomonas pacifica, strain Cnaph3: biodegradation and biosurfactant production studies
(
Springer Verlag
, 2020 , Article)
A newly marine Halomonas pacifica strain Cnaph3 was isolated, as a naphthalene degrader and biosurfactant producer, from contaminated seawater collected in Ataya's fishing harbor, located in Kerkennah Islands, Tunisia. ...
Thermal and mechanical characterization of injection moulded high density polyethylene/paraffin wax blends as phase change materials
(
Elsevier Ltd
, 2014 , Article)
Thermal and mechanical properties of blends based on high density polyethylene and paraffin wax were investigated. The blends were prepared from 5 to 50vol. % of paraffin wax employing a twin-screw extruder. Thermal behaviour ...
Evaluation of the source rock potential of the Unyazah Formation (late Carboniferous-Early Permian) in Dukhan Field, Qatar
(
Taylor & Francis (Routledge)
, 2019 , Article)
Twenty samples were collected from the Unayzah Formation in three wells from Dukhan Field, Qatar. Many samples were of poor quality due to the low TOC content containing gas prone-kerogen type III and IV. The Rock-Eval ...
Influence of pH on chloride binding isotherms for cement paste and its components
(
Elsevier
, 2021 , Article)
In this paper, chloride (Cl−) binding isotherms are developed for cement hydration compounds, specifically, calcium-silicate-hydrates (CSH) and AFm phases including mono-sulfate aluminate, hydroxy-AFm, monocarbonate-AFm, ...
Processing, characterization and modeling of recycled polypropylene/glass fibre/wood flour composites
(
Elsevier Ltd
, 2014 , Article)
Polypropylene (PP) is one of the most common thermoplastic materials in the world. There is a need to recycle the large amount of this used material. To overcome the environmental problems, related to the polymer waste, ...