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426 results for “Carbon”
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Research ArticleOpen accessEvery word in the titlePotential Strain to Produce Bioprotein from Cheaper Carbon Source: Hope for MillionsParveen Jamal, Md. Zahangir Alam, Nurul UmiBioprotein production is one of the most promising breakthroughs of biotechnological innovations. Due to its increasing demand, the efficient strains, substrate and method must be used for high yield product. In this study, screening of five different cerivisiea, Mucor hiemalis and Thricoderma harzianum, was done for bioprotein production by liquid state bioconversion of wheat flour as a cheaper carbon source. … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 2 · 30 Jun 2007 · 7,810 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInfluence of the Application of Sewage Sludge and Presence of Pesticides on the Development of the Microbial Population of the Soil and on the Transformation of Organic Carbon and Nutrient ElementsM.E. Sánchez, I. B. Estrada, O. Martínez et al.The laboratory trial consisted in incubating samples of soil and soil treated with sewage sludge, with the application of organophosphate pesticides with different active ingredients under controlled conditions of temperature and moisture. On the basis of a previous study of the influence of the application of sludge on the degradation of pesticides in the soil, a kinetic study is included … …American Journal of Environmental Sciences, Vol. 1, Issue 2 · 30 Jun 2005 · 6,866 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSurface Roughness Prediction Model in Machining of Carbon Steel by PCD Coated Cutting ToolsYusuf Sahin, A. Riza MotorcuThe surface roughness model in the turning of AISI 1040 carbon steel was developed in terms of cutting speed, feed rate and depth of cut using response surface methodology. Machining tests were carried out using PVD-coated tools under different cutting conditions. The surface roughness equations of cutting tools when machining the carbon steels were achieved by using the experimental data. … …American Journal of Applied Sciences, Vol. 1, Issue 1 · 31 Mar 2004 · 7,968 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHepatoprotective Effect of Opuntia Ficus-Indica Aqueous Extract against Carbon Tetrachloride-Induced Toxicity in RatsZouhir Djerrou, Zineb Maameri, Sihem Halmi et al.The present study was undertaken to evaluate the hepatoprotective activity of Opuntia ficus-indicaL. aqueous extract. About 24 Wistar male rats were divided randomly to 4 groups of 6 each. The 1st was given distilled water and served as normal control (CRL). The 2nd was intoxicated orally with carbon tetrachloride at a dose of 1.5 mL/kg each 72 h (CCl4 group) … …OnLine Journal of Biological Sciences, Vol. 15, Issue 2 · 2 Jun 2015 · 7,260 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleModification of Carbon Steel by Laser Surface Melting: Part II: Effect of Laser Beam Power on Microstructural Features and Surface HardnessHashem F. El-Labban, M. Abdelaziz, Essam R.I. MahmoudThe surface hardness has an important effect on the wear resistance of different materials. The present study aims to improve the surface hardness of carbon steel through the application of laser surface melting with suitable conditions. The laser beam power and travelling speed are the main factors that affect the properties of the treated zone. In this study, three different … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 4 · 30 Jan 2014 · 7,211 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComparative Analysis of Reversible Logic Based Carbon Nano Tube Field Effect Transistor Multiplexer PerformanceY. Varthamanan, V. KannanThis study is about the design and analysis of a reversible logic based multiplexer, that is realized using carbon nano tube transistor. Reversible logic realization of the digital circuits offers numerous advantages over conventional circuit design. Power analysis was performed using HSPICE simulation software and the results are obtained for the 2×1 and 4×1 multiplexer transient behavior. The power consumption … …American Journal of Applied Sciences, Vol. 10, Issue 11 · 5 Oct 2013 · 6,642 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleElectrodeposition Fabrication of Pd Nanoparticles on Glassy Carbon Electrode Towards Methanol Oxidation ApplicationXiaoyun Qin, Wenbo Lu, Yonglan Luo et al.The present paper reports on the rapid fabrication of Pd nanoparticles on glassy carbon electrode by eletrodeposition technique. It suggests that such film exhibits good catalytic activity and stability with respect to methanol oxidation in an alkaline media. It also suggests that the loading of the Pd nanoparticles on the substrate and therefore the effective catalytic area can be tuned … …Current Research in Nanotechnology, Vol. 4, Issue 1 · 12 Apr 2013 · 11,335 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFungal Culture Systems for Production of Antioxidant Phenolics Using Pecan Nut Shells as Sole Carbon SourceMiguel A. Medina, Ruth E. Belmares, Antonio Aguilera-Carbo et al.Problem statement: Many agro-industrial wastes have little or none utilization, when these materials could be a very rich source of several value-added compounds, such as: the pecan nut shells, which contain Antioxidant Phenolic (AP) molecules like tannins. Approach: In this study, a bioprocess for the liberation of AP from Pecan Nut Shells (PNS) was described. A chemical characterization of raw … …American Journal of Agricultural and Biological Sciences, Vol. 5, Issue 3 · 30 Sep 2010 · 8,045 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIdentification of Instabilities of the Chip Formation and It's Prediction Model During End Milling of Medium Carbon Steel (S45C)Md. Anayet U Patwari, A. K.M. Nurul Amin, Waleed FarisProblem statement: Chip shape and size varied widely in machining operations. Undesirable chip formation had a detrimental effect on surface finish, work-piece accuracy, chatter and tool life. Approach: This study included the findings of an experimental study on the instabilities of the chip formation and development of a mathematical model based on statistical approach for the prediction of the instability … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,357 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of N-Acetylcysteine on Auditory Brainstem Response Threshold Shift in Rabbits Exposed to Noise and Carbon MonoxideSeyedbagher Mortazavi, Masoud Motalebi Kashani, Ali Khavanin et al.Problem statement: Noise Induced Hearing Loss (NIHL) is one of the most important occupational disease in worldwide. NIHL has been found to be potentiated by simultaneous Carbon monoxide (CO) exposure. Exposure to noise plus CO is common in occupational and environmental settings. Free radicals have been implicated in cochlear damage resulting from exposure to noise and due to CO hypoxia … …American Journal of Applied Sciences, Vol. 7, Issue 2 · 28 Feb 2010 · 8,044 accessesView PDFCite