بحث بسيط
السجلات المعروضة 81 -- 90 من 165
A comparative study of the growth of Tetraselmis sp. in large scale fixed depth and decreasing depth raceway ponds
(
Elsevier Ltd
, 2016 , Article)
In this study, an alternative approach was proposed where excess seawater would be added only during inoculation (DD) rather than daily addition (FD). Growth and metabolite contents of Tetraselmis sp. weren't affected for ...
Chitosan as natural coagulant in hybrid coagulation-nanofiltration membrane process for water treatment
(
Elsevier Ltd
, 2016 , Article)
Water treatment industries are exploring the possibility to use environmental friendly chemicals and to discover the potential of advanced treatment technology in order to achieve sustainable development. Hybrid ...
Structural, dielectric and ferroelectric properties of lead-free Na0.5Bi0.5TiO3 ceramics prepared by spark plasma sintering technique
(
Scientific Publishers
, 2016 , Article)
Lead-free Na0.5Bi0.5TiO3 (NBT) fine-grained ceramics were prepared by spark plasma sintering method. Single phase ceramics with an ABO3 perovskite structure were confirmed by X-ray diffraction method. The grain morphology ...
Cryopreservation of microalgae from desert environments of Qatar
(
Springer Netherlands
, 2016 , Article)
The Qatar University Culture Collection of Cyanobacteria and Microalgae (QUCCCM) is a unique resource containing a diverse collection of microalgae and cyanobacteria, isolated from the Qatar desert environment. In order ...
Catalytic evaluation of nickel nanoparticles in methane steam reforming
(
Elsevier
, 2016 , Article)
Development of a highly efficient and coke-resistant, nickel nanoparticles (Ni.NPs) based catalyst in the steam reformation reaction of methane is reported. The catalyst was prepared by dispersing Ni-nanoparticles over ...
Positron annihilation study on polyaniline nanocomposite used for Pb(II) ion removal
(
Taylor & Francis
, 2016 , Article)
Nanocomposites of polyaniline (PANI) with three different concentrations of micrometre-sized sawdust are prepared in aqueous media via chemical casting method at room temperature. Thereafter, the removal efficiency of the ...
Reproductive effort of the European clam Ruditapes decussatus (Linnaeus, 1758): influence of different diets and temperatures
(
Taylor & Francis
, 2016 , Article)
Ruditapes decussatus is a species of importance to aquaculture. For hatcheries to consistently produce spat it is essential to develop broodstock conditioning techniques. Food and temperature are the main factors that ...
Reaction Kinetics of Carbon Dioxide (CO2) with Diethylenetriamine and 1-Amino-2-propanol in Nonaqueous Solvents Using Stopped-Flow Technique
(
American Chemical Society
, 2016 , Article)
In this work, the reaction kinetics of carbon dioxide (CO2) with diethylenetriamine (DETA) and 1-amino-2-propanol (1-AP) in methanol and ethanol systems were measured using the stopped flow technique over a temperature ...
Improvement of thermal conductivity of paraffin by adding expanded graphite
(
SAGE Publications Ltd
, 2016 , Article)
This paper investigated the use of graphite with different configuration designs to improve the thermal energy storage of phase change material systems. Two types of graphite have been combined with paraffin in order to ...
Qatar World Cup 2022: Awareness of the event and its impact on destination and country character perceptions in the US tourism market
(
Cognizant Communication Corporation
, 2016 , Article)
This study examined how awareness levels of hosting the 2022 World Cup in Qatar changed perceptions of Qatar's destination image, country character, and neighboring destinations' images. Data were collected through Amazon ...