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426 results for “Carbon”
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Research ArticleOpen accessEvery word in the titleOn the Views of Carbon Tax in KoreaHeon-Goo KimTo comply with the UNFCCC agreement, many countries are expected to make efforts to reduce the greenhouse gas emission level down to 1990 by the year of 2012. The agreement is intended to reduce the consumption of fossil fuel that causes the greenhouse effect. The global warming has been accelerated by the greenhouse effect resulted from the CO2 emission and … …American Journal of Applied Sciences, Vol. 5, Issue 11 · 30 Nov 2008 · 6,891 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEnvironmental Impact Assessment for Potential Continuous Processes for the Production of Carbon NanotubesAditi Singh, Helen H. Lou, Ralph W. Pike et al.As an emerging discipline, nanotechnology has the potential to improve environmental sustainability through its application in pollution prevention, treatment, remediation, etc. One challenging issue in the growth of nanotechnology is how to produce purified carbon nanotubes (CNT) in commercial quantities at affordable price and with low environmental impacts. A detailed assessment of such a manufacturing process from both economic and … …American Journal of Environmental Sciences, Vol. 4, Issue 5 · 31 Oct 2008 · 7,600 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDynamic Measurement of Copper (II) Ion Adsorption in Activated Carbon Fixed Bed ColumnsTanokkorn Banjonglaiad, Eric Croiset, Peter Silveston et al.Dynamic experiments were carried out on the adsorption of copper (II) ions in a laboratory packed bed of activated carbon. Both pulse and step change inputs were used. Measurements were reproducible and replicate measurements furnished nearly identical parameters for a heterogeneous model of the activated carbon bed assuming Langmuir adsorption isotherm. The initial concentration of copper (II) ion was 3 … …American Journal of Environmental Sciences, Vol. 4, Issue 4 · 31 Aug 2008 · 6,862 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInfluence of Supplementary Bioavailable Carbon on the Thermal and Biological Kinetic Parameters of the Composting Process of Tomato Plant TrimmingsA.E. Ghaly, F. AlkoaikThree laboratory-scale bioreactors were used to investigate the influence of bioavailable carbon addition on the composting process of tomato remains. Sugar, cheese whey and used cooking oil were used as bioavailable carbon sources. The amounts of materials added to the compost mixture had equal energy contents. The initial moisture contents and C: N ratios of the compost mixtures were maintained … …American Journal of Environmental Sciences, Vol. 2, Issue 1 · 31 Mar 2006 · 6,563 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDevelopment of Pulsed Laser Deposition System for the Formation of Web-liked Carbon NanotubesNoorhana Yahya, Beh Hoe Guan, Mansor HashimThis work reports on our earnest effort to develop a pulsed laser ablation deposition system for the production of carbon nanotubes (CNTs). The correct condition such as the pressure, ablation time, power of laser will result in different structures and morphology of the tubes. A T-shaped stainless steel chamber was designed. Nd:YAG laser with 532 nm wavelength, 10.54W output power … …American Journal of Applied Sciences, Vol. 2, Issue 11 · 30 Nov 2005 · 7,036 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCarbon Dioxide Transfer with Chemical Equilibrium Reactions: An Alternative Mathematical ApproachA. ShanablehProblem statement: Despite intensive research efforts on CO2 transfer, mathematical models that describe the dependence of the CO2 transfer rate on the pH and the degree of rate enhancement due to CO2 chemical reactions remain unavailable. Approach: Such models are essential for assessing and accurately describing the progress of the CO2 transfer process. Results: In this study, an alternative view … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,040 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleProtective Effect of Curcumin Against Hepatic Toxicity Induced by Lithium Carbonate (Li2 Co3)Gehan B.A. Youssef, Ahlam F. Hamoda, Rabab R. Elzoghby et al.The current work was done on four groups of rats (10 for each) to detect the hepato-protective characters of curcumin on the toxicity induced by lithium carbonate. The oral administration of Li2 Co3 for one-month lead to noticeable decrease in the SOD, CAT and GSH while the increase in the GPx and some histological changes in the portal tissues including … …American Journal of Pharmacology and Toxicology, Vol. 14, Issue 1 · 31 Jul 2019 · 7,603 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Experimental Investigation on Performance of CI Engine Using Diesel, Esterified Cotton Seed Oil and Diethyl Carbonate as AdditiveVikram G. Kamble, Samson Paul PintoIn this study, Cotton seed oil ethyl ester was produced by transesterification process. The performance of diesel engine was experimentally investigated by using cotton seed oil ethyl ester as fuel. For the study cotton seed oil ethyl ester was mixed with diesel fuel and B20 blend was prepared. Also Diethyl Carbonate was added as an additive in 4, 8 and … …Energy Research Journal, Vol. 7, Issue 1 · 16 Dec 2015 · 7,445 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNon-Alcoholic, Naturally-Carbonated Beverage from Vitis Vinifera Using Saccharomyces Cerevisae Isolated from Cheese WheyHeena Chilana, Sanju Arora, Robinka Khajuria, Loveleen KaurIn the present work a pure yeast culture was isolated from cheese whey and identified by 26S rDNA sequencing as Saccharomyces cerevisiae NRRL Y-12632. This yeast was used to produce low alcoholic self carbonated beverage from grape juice, grape: Kinnow juice (2:1) and grape: Pomegranate juice (2:1) under optimized conditions. The physicochemical properties of 3 days fermented grape: Pomegranate beverage … …OnLine Journal of Biological Sciences, Vol. 15, Issue 3 · 6 Aug 2015 · 7,148 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEnzymatic Synthesis of Palm Alkyl Ester Using Dialkyl Carbonate as an Alkyl DonorsRoila Awang, Choo Yuen MayProblem statement: Though efficient in terms of reaction yield and time, the chemical approach to synthesizing alkyl ester has drawback such as difficulties in the recovery of glycerol and the need for removal of salt residue. On the other hand, biocatalyst allow for synthesis of specific alkyl esters and easy recovery of glycerol. However, the solvent-free alcoholysis, does not give … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 7,235 accessesView PDFCite