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السجلات المعروضة 321 -- 330 من 981
Urban water pricing in Yemen: a comparison of increasing block tariffs to other pricing schemes
(
Routledge
, 2017 , Article)
This study examines the viability of increasing block tariffs (IBTs) to achieve the right balance between efficiency, financial requirements and equity, and compares them to alternative pricing schemes. Using numerical ...
Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs
(
Wiley-Liss Inc.
, 2016 , Article)
Novel surfactant‐polymer (SP) formulations containing fluorinated amphoteric surfactant (surfactant‐A) and fluorinated anionic surfactant (surfactant‐B) with partially hydrolyzed polyacrylamide (HPAM) were evaluated for ...
Outlook and challenges for hydrogen storage in nanoporous materials
(
Springer Verlag
, 2016 , Article)
Considerable progress has been made recently in the use of nanoporous materials for hydrogen storage. In this article, the current status of the field and future challenges are discussed, ranging from important open ...
Solvent Uptake of Liquid Rubber Toughened Epoxy/Clay Nanocomposites
(
John Wiley and Sons Inc.
, 2016 , Article)
Carboxyl-terminated poly (butadiene-co-acrylonitrile) (CTBN) liquid rubber toughened epoxy (epoxy/CTBN blend) and CTBN-toughened epoxy/clay nanocomposites (epoxy/clay/CTBN nanocomposites) were prepared, and solvent (acetone) ...
Preparation and characterization of urea-formaldehyde microcapsules filled with paraffin oil
(
Springer Verlag
, 2016 , Article)
Paraffin oil was encapsulated in a urea–formaldehyde polymer shell by in situ polymerization. The effect of modifying the fabrication parameters, specifically the emulsifier, the core material concentration, the stirring ...
Extreme 15N Depletion in Seagrasses
(
Springer New York LLC
, 2016 , Article)
Seagrass beds form an important part of the coastal ecosystem in many parts of the world but are very sensitive to anthropogenic nutrient increases. In the last decades, stable isotopes have been used as tracers of ...
Water‐Energy‐Food Security Nexus in the Eastern Nile Basin: Assessing the Potential of Transboundary Regional Cooperation
(
John Wiley & Sons, Inc
, 2017 , Book chapter)
With increasing demands and pressures on energy, food, and water resources in the region of the Eastern Nile basin, development projects and also potential for conflict along the Nile waters have increased. This study ...
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). ...
Tailoring of the thermal, mechanical and dielectric properties of the polypropylene foams using gamma-irradiation
(
Elsevier Ltd
, 2016 , Article)
This study investigate the influence of gamma-irradiation (GI) doses from 0 up to 50 kGy on the polypropylene (PP) foams, mainly the impact on their structural and physical properties. It was found that structural properties ...
Flocculation and viscoelastic behavior of industrial papermaking suspensions
(
Springer New York LLC
, 2016 , Article)
The effects of the surface charge type and density C496, C492 and A130LMW polyacrylamides (PAMs) on the rheological behavior of real industrial papermaking suspensions were quantitatively related to the degree of flocculation ...