بحث بسيط
السجلات المعروضة 11 -- 20 من 41
Stable and effective super-hydrophilic polysulfone nanofiber mats for oil/water separation
(
Elsevier Ltd
, 2015 , Article)
Hydrophobicity of polysulfone is the main constraint facing wide application in the most important field; water treatment, although this polymer shows promising characteristics to be used in different separation technologies. ...
Novel miniaturized sensors for potentiometric batch and flow-injection analysis (FIA) of perchlorate in fireworks and propellants
(
Elsevier B.V.
, 2014 , Article)
Three planar miniaturized perchlorate membrane sensors (3×5mm2) are prepared using a flexible Kaptan substrate coated with nitron-perchlorate (NT-ClO4) [sensor 1], methylene blue-perchlorate (MB-ClO4) [sensor II] and ...
Ultra-trace Measurements of 210Pb in natural occurring radioactive materials by ICP-MS
(
Elsevier
, 2010 , Article)
Collision cell inductively coupled plasma mass spectrometry (CC-ICP-MS) was investigated as a possible alternative to nuclear analytical techniques for the determination of 210Pb. The formation of isobaric and polyatomic ...
Influence of bimetallic nanoparticles composition and synthesis temperature on the electrocatalytic activity of NiMn-incorporated carbon nanofibers toward urea oxidation
(
Elsevier
, 2018 , Article)
High efficiency, cost effectivity and the availability of hydrogen are the advantages of
electrolysis as a strategy for urea-containing wastewater treatment. Composition,
morphology, and synthesis-temperature distinctly ...
A market basket survey of As, Zn and Se in rice imports in Qatar: Health implications
(
Elsevier
, 2014 , Article)
Qatar is dependent on importation of rice, its staple dish, and is therefore susceptible to compromises of food quality in the global market. This market basket study assesses potential health risks of As exposure from ...
Influence of nitrogen doping on the electrocatalytic activity of Ni-incorporated carbon nanofibers toward urea oxidation
(
Elsevier Ltd
, 2017 , Article)
Overall, boosting the formation of the active NiOOH layer distinctly improves the electro catalytic activity of nickel-based materials. Moreover, due to the adsorption capacity, the carbonaceous supports improve the ...
Removal of toxic pollutants from produced water by phytoremediation: Applications and mechanistic study
(
Humana Press Inc
, 2019 , Article)
Elsevier Ltd In this study, a greenhouse experiment of complete randomized design with three replications was conducted to investigate the potential of Medicago sativa, Zea mays, Helianthus annus, Sorghum bicolor, Phragmites ...
Microplastics in coastal environments of the Arabian Gulf
(
Elsevier Ltd
, 2017 , Article)
Eight sandy beaches along the coastline of Qatar and four sea surface stations on the eastern coast, adjacent to Doha Bay, were surveyed between December 2014 and March 2015. Microplastics, mainly low density polyethylene ...
Ultra-trace determination of 90Sr, 137Cs, 238Pu, 239Pu, and 240Pu by triple quadruple collision/reaction cell-ICP-MS/MS: Establishing a baseline for global fallout in Qatar soil and sediments
(
Elsevier Ltd
, 2016 , Article)
The development of practical, fast, and reliable methods for the ultra-trace determination of anthropogenic radionuclides 90Sr, 137Cs, 238Pu, 239Pu, and 240Pu by triple quadruple collision/reaction cell inductively coupled ...
Collision/reaction cell ICP-MS with shielded torch and sector field ICP-MS for the simultaneous determination of selenium isotopes in biological matrices
(
Humana Press Inc
, 2011 , Article)
The determinations of selenium isotopes in biological samples were performed using both inductively coupled plasma collision/reaction cell quadruple mass spectrometer (CRC-ICP-QMS) and inductively coupled plasma sector ...