Browsing Chemistry by Issue Date
Now showing items 1-20 of 106
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Chemistry in Second Life
(Springer Open, 2009-10)This review will focus on the current level on chemistry research, education, and visualization possible within the multi-user virtual environment of Second Life. We discuss how Second Life has been used as a platform ... -
Modelling of Internal Stresses in Sheet Glass during the Cooling
(Scientific Research, 2011-06)Internal stresses in glass are generated by interactions between thermal contraction, elasticity at low temperatures, viscoelastic flow at higher temperature, and temperature gradients caused by cooling. This work intends ... -
Analysis of Cr Atoms Three-Dimensional Deposition Characteristics
(Scientific Research, 2011-09)The semi-classical model is used to simulate the three-dimensional trajectory and deposition distribution of the chromium atoms in the Gaussian laser standing wave field using the Runge-Kutta method, and then the three ... -
Potential Application of Silica Aerogel Granules for Cleanup of Accidental Spillage of Various Organic Liquids
(Scientific Research, 2011-10)The experimental work has been carried out to study the absorption-desorption properties of the silica aerogels, for their use in oil spill cleanup application. For these studies, silica aerogel granules were prepared by ... -
Improving Functional Characteristics of Wool and Some Synthetic Fibres
(Scientific Research, 2011-10)The present article reviews recent developments in different treatments that confer functional characteristics on wool and some synthetic fibers such as acrylic, polyamide and polyester of these functionalities mention is ... -
A Novel Technique for Determination of Flow Characteristics of Blast Furnace Slag
(Scientific Research, 2012-06)A study of flow characteristics of blast furnace slag helps determine its softening and flow (liquid-mobility) temperatures. The slag with a narrow difference between the two temperatures is termed a “Short Slag”. Its ... -
Detecting Ultra-Violet Radiation by Using Titanium Dioxide Nanoparticles
(Scientific Research, 2012-07)In this paper sensitivity of chemically synthesized titanium dioxide (TiO2) nanoparticles to ultra-violet (UV) radiation is investigated. For this purpose three types of ultra-violet photodetectors were fabricated, one ... -
Controlled Synthesis and Characterization of Nobel Metal Nanoparticles
(Scientific Research, 2012-07)In this work, monodispersed, well-shaped platinum (3.2 - 6.4 nm), rhodium (2.4 - 5.1 nm), and palladium (3.2 - 5.3 nm) nanoparticles capped with poly(vinylpyrrolidone) (PVP) were synthesized by a polyol reduction method ... -
Molecular Simulation of Ion Transport at the Water/Vapor Interface
(Scientific Research, 2012-08)Molecular dynamics was used to quantify the role of the size, charge and polarisability of F– , Cl– , Br– , I– and Na+ ions in their distribution in the water/vapour interface system. Our results show that the ... -
Mechanical and Thermal Properties of Chemically Modified Epoxy Resin
(Scientific Research, 2012-10)Diglycidyl ether of bisphenol-A (DGEBA), having number average molecular weight (Mn) 375, was modified by incorporating the hydroxyl terminated polybutadiene (HTPB) based prepolymer using isophorone diisocyanate as a ... -
High Performance Oil Resistant Rubber
(Scientific Research, 2012-10)Blending of polymers has gained much interest due to the fact that, it can be used to produce new polymeric materials with specific properties suitable for some special applications. The blends from acrylonitrile butadiene ... -
Characterization and Evaluation of Antibacterial Activities of Chemically Synthesized Iron Oxide Nanoparticles
(Scientific Research, 2012-12)The iron oxide nanoparticles have been synthesized in co-precipitation method using aqueous solution of ferric and ferrous ions with sodium salt. The synthesis of iron-oxide nanoparticles were validated by UV-Visible ... -
New Method for Synthesis of Coatings of Molybdenum, Tungsten, Their Carbides and Composites
(Scientific Research, 2013-04)In this paper we report, for the first time, a new approach for synthesis of high quality faceted microcrystalline coatings of molybdenum (Mo), tungsten (W), their carbides and composites. These studies are carried out ... -
Investigation into Failure in Mining Wire Ropes—Effect of Crystallinity
(Scientific Research, 2013-04)A range of blends of polypropylene-polyethylene are investigated for their mechanical performances. These speciality polymer blends are chemically designed to suit high modulus/high load bearing mining wire rope applications ... -
Comparative Study on Heavy Metals Biosorption by Different Types of Bacteria
(Scientific Research, 2013-07)Biosorption of Cd(II), Ag(I) and Au(III) by cyanobacteria Spirulina platensis, of Au(II)—by Streptomyces spp. 19H, and of Cr(VI) and Cr(III)—by Arthrobacter species was studied by using the dialysis and atomic absorption ... -
Heavy Metal Contaminated Food Crops Irrigated with Wastewater in Peri Urban Areas, Zambia
(Scientific Research, 2013-07)Studies on peri urban farming in Zambia have not adequately tackled the issues pertaining to heavy metal contaminated wastewater irrigation farming. The study investigated heavy metal contamination of water, soils and ... -
Assessment of Heavy Metals Immobilization in Artificially Contaminated Soils Using Some Local Amendments
(Scientific Research, 2013-07)Three alluvial soil samples with different textures were artificially polluted with chloride solutions of Cd, Pb, Co and chromate solution for Cr. The aqua-regia extracted concentration ranges in the artificially polluted ... -
XRF Analysis of Heavy Metals for Surface Soil of Qarun Lake and Wadi El Rayan in Faiyum, Egypt
(Scientific Research, 2013-07)The environmental pollution with some heavy metals for twenty four surface soil samples collected from Qarun Lake and Wadi El Rayan region in Faiyum, Egypt utilizing X-ray fluorescence (XRF) spectroscopy was measured. The ... -
Hydrogen from Sunlight Water Splitting: Is It Our Future?
(Scientific Research, 2013-10)Environmental pollution and the growing need to find new sources of energy are some of the challenges of our century. The unstoppable growth of population, the increasing energy needs of emerging countries, and the ... -
Aptamers—A Promising Approach for Sensing of Biothreats Using Different Bioinformatics Tools
(Scientific Research, 2013-11)Intentional release of pathogens or biotoxin against humans, plants, or animals is an impending threat all over the world. Continuous monitoring of environment is required for their detection. These signals can help to ...