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Now showing items 11-20 of 22
Evaluation of pesticide residues of organochlorine in vegetables and fruits in Qatar: statistical analysis
(
Springer Verlag
, 2016 , Article)
The study aimed to examine the residues of organochlorines pesticides (OCPs) in vegetables and fruits in Qatar. A total of 127 samples was studied. Ninety percent of the imported samples recorded residues above the maximum ...
Synthesis of thioether-functional poly(olefin)s via ruthenium-alkylidene initiated ring-opening metathesis polymerization
(
John Wiley and Sons Inc.
, 2019 , Article)
Ring-opening metathesis polymerization (ROMP) of thioether-derived oxanorbornene imide (M1) and its copolymerization with various cycloolefin comonomers such as cyclopentene (M2), cyclopent-3-en-1-ol (M3), cycloheptene ...
Ammonium phosphate as promised hydrogen storage material
(
Elsevier
, 2015 , Article)
Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. Most of the reported hydrogen storage materials are either expensive or based on synthetically complicated compounds. Ammonium phosphates ...
Metal distribution in marine sediment along the Doha Bay, Qatar.
(
Springer
, 2015 , Article)
Concentrations of 25 heavy metals (Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sr, V, Zn and Hg) in surface sediments along the Doha Bay from 10 transects each with five stations were ...
Validation of Total Mercury in Marine Sediment and Biological Samples, Using Cold Vapour Atomic Absorption Spectrometry
(
MDPI
, 2018 , Article)
A method for the measurement of total mercury (T-Hg) in environmental samples using
cold vapour atomic absorption spectrometry (CV AAS) has been validated yielding a dynamic range
(0.04–10.00 g/kg) and high certified ...
Leaching of Some Essential and Non-Essential Heavy Metals from Modern Glazed Ceramic Crockeries Imported into Qatar from China, India and Spain
(
OMICS International
, 2018 , Article)
In this study, the leaching potential of ceramic crockeries available in Qatar market has been evaluated
using inductively coupled plasma mass spectrometry (ICP-MS). Ceramic crockeries decorated with glaze matter
containing ...
Applicable anode based on Co3O4–SrCO3 heterostructure nanorods-incorporated CNFs with low-onset potential for DUFCs
(
Springer
, 2017 , Article)
Besides the high-current density, lower onset potential of urea electrooxidation is key parameter which influences the direct urea fuel cell performance. In the present article, low-onset potential has been reported for ...
CoNi Nanoparticles/CNT Composite as Effective Anode for Direct Urea Fuel Cells
(
ESG.
, 2018 , Article)
CoNi nanoparticles/CNTs composite is introduced as workable anode in the direct urea fuel cells. The proposed anode was prepared by calcination under argon atmosphere of a dried cobalt acetate/nickel acetate/CNTs/ethanol ...
Critical Behavior of La0.8Ca0.2Mn1−xCoxO3 Perovskite (0.1 ≤ x ≤ 0.3)
(
MDPI
, 2017 , Article)
The critical properties of La0.8Ca0.2Mn1−xCoxO3 (x = 0, 0.1, 0.2 and 0.3) compounds were investigated by analysis of the magnetic measurements in the vicinity of their critical temperature. Arrott plots revealed that the ...
Patulin and patulin producing Penicillium spp. occurrence in apples and apple-based products including baby food
(
The Journal of Infection in Developing Countries
, 2017 , Article)
Introduction: Patulin has raised the international attention because of its health risk. In fact, it has mutagenic, neurotoxic, immunotoxic, genotoxic and gastrointestinal effects in animals. In the present work, patulin ...