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السجلات المعروضة 11 -- 20 من 25
Graphene oxide as antimicrobial against two gram-positive and two gram-negative bacteria in addition to one fungus
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Science Publications
, 2014 , Article)
Graphene based materials have wide potential applications in biology, biomedical, agriculture environmental and biotechnology. Graphene Oxide (GO) is one of those materials and has a promising substance as antimicrobial ...
Soil moisture effects on leaf litter decomposition and soil carbon dioxide efflux in wetland and upland forests
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Soil Science Society of America
, 2014 , Article)
This study examined, first, the response of litter decomposition and soil CO2 efflux (RS) to different soil moisture conditions and, second, the application of various litter decomposition functions in a wetland and upland ...
Concentration, composition and sources of PAHs in the coastal sediments of the exclusive economic zone (EEZ) of Qatar, Arabian Gulf
(
Elsevier Ltd
, 2014 , Article)
Surface sediments were collected from sixteen locations in order to assess levels and sources of polycyclic aromatic hydrocarbons (PAHs) in sediments of Qatar exclusive economic zone (EEZ). Samples were analyzed for 16 ...
Relative sensitivity of soft-bottom intertidal macrofauna to increased CO2 and experimental stress
(
Inter-Research
, 2014 , Article)
We used a controlled CO2 perturbation experiment to test hypotheses about changes in diversity, composition and structure of soft-bottom intertidal macrobenthic assemblages, under realistic and locally relevant scenarios ...
Characteristics of olive mill solid residue and its application in remediation of Pb2+, Cu2+ and Ni2+ from aqueous solution: Mechanistic study
(
Elsevier
, 2014 , Article)
This study investigated the use of untreated olive mill solid residues (OMSR) as a solid extractant for Pb2+, Cu2+ and Ni2+ ions from aqueous solution. It was shown that the solution initial pH value affected the metal ...
Uptake of Reactive Black 5 by pumice and walnut activated carbon: Chemistry and adsorption mechanisms
(
Korean Society of Industrial Engineering Chemistry
, 2014 , Article)
The potential of using pumice and walnut wood activated carbon as low-cost adsorbents for the removal of the diazo dye Reactive Black 5 (RB5) from aqueous solutions was investigated. The Langmuir isotherm fit to the data ...
First report of Thielaviopsis punctulata causing black scorch disease on date palm in Qatar
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American Phytopathological Society
, 2014 , Article)
Ceratocystis radicicola (anamorph: Thielaviopsis paradoxa) was reported as an economically important pathogen causing serious diseases on date palm such as rhizosis (2) and black scorch (3) or as an associated pathogen ...
New Bacillus thuringiensis toxin combinations for biological control of Lepidopteran larvae
(
Elsevier B.V.
, 2014 , Article)
Cyt1Aa from Bacillus thuringiensis israelensis is known by its synergistical activity with B. thuringiensis and Bacillus sphaericus toxins. It is able to improve dipteran specific toxins activity and can prevent or overcome ...
Concentrations and dynamics of fungal spore populations in the air of Zarqa, Jordan, using the volumetric method
(
Taylor & Francis
, 2014 , Article)
This study was initiated to investigate seasonal and intradiurnal variations in concentrations of airborne fungal spores of the Zarqa area in Jordan based on daily spore trapping. A total of 76 396 fungal spores belonging ...
Characterization and utilization of fly ash of heavy fuel oil generated in power stations
(
Elsevier B.V.
, 2014 , Article)
Unlike coal fly ash, fly ash of heavy fuel oil has received much less attention in the literature. In this work, detailed physicochemical characterization of heavy fuel oil fly ash (FA) is provided. The ash has a carbonaceous ...