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696 results for “DRA”

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Research ArticleOpen accessIn the keywordsCHARACTERISTIC ANALYSIS OF DUAL GATE METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR BY MATHEMATICAL MODELINGC.A. Abdul Nazar, V. KannanIn this study, the characteristics of DGMOSFET were obtained using mathematical modeling. The variations of characteristics were analyzed with different conditions into consideration. Different parameters behavior is analyzed, such as Transcapacitance variation with the gate voltage, threshold voltage variation with respect to lateral straggle parameter and temperature, mobile charge density variation is also analyzed and also the drain characteristics of … …American Journal of Applied Sciences, Vol. 11, Issue 8 · 5 May 2014 · 6,622 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPotential of Industrial Waste Water Use for Jatropha Cultivation in Arid LandHanaa Hussein Abd El Baky, Mohamed Moursy Hussein, Eman Ahamed IbrahemA pot experiment was conducted in the greenhouse of the National Research Center, Dokki, Cairo, Egypt to investigate the effect of NKP foliar fertilizer and irrigation by Industrial Drainage Water (IDW) on Lipid Peroxidation (LP) and antioxidant enzyme activities [Catalase (CAT), Suproxide Desmatase (SOD) and Ascorbate Peroxidas (APX)] of jatropha plants. Plants fertilized with NPK fertilizers (N0g+P0g+K0g, N3g+P3g+K3g and N6g+P6g+k6g/pot) … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 4 · 13 Nov 2013 · 7,476 accessesView PDFCite
Research ArticleOpen accessIn the keywordsGeomorphology Using Geographic Information System and Globel MapperEmad AkawwiAn effort has been made to evaluate drainage morphometry and its influence on landform processes, geology and erosion characteristics in Jordan Valley and surrounding area. Geological maps 1:50,000 scale and the professional Google Earth images were used for analysis of various morphometric, lithological and landform characteristics of Jordan Valley basin. Morphometric analysis was carried out at sub basin level using … …American Journal of Environmental Sciences, Vol. 9, Issue 5 · 18 Sep 2013 · 7,092 accessesView PDFCite
Research ArticleOpen accessIn the keywordsLow Power Analog Multiplier Using MifgmosK. Duraisamy, U. RagavendranA novel 4-quadrant analog multiplier using Floating Gate MOS (FGMOS) transistors operating in saturation region are implemented. Floating gate MOSFETs are being utilized in a number of new and existing analog applications. These devices are not only useful for designing memory elements but also we can implement circuit elements. The main advantage in FGMOS is that the drain current is … …Journal of Computer Science, Vol. 9, Issue 4 · 14 May 2013 · 6,347 accessesView PDFCite
Research ArticleOpen accessIn the keywordsShakespeare and Literacy: A Case Study in a Primary ClassroomGeorge BelliveauProblem statement: Childhood is an integral time for literacy development and the aim of this article is to closely examine what pedagogical strategies were most effective to promote literacy learning with a group of six to nine year old children. This case study investigates how the use of specific literacy and drama-based strategies prepared and stimulated young children’s understanding and … …Journal of Social Sciences, Vol. 8, Issue 2 · 18 Feb 2012 · 9,338 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDetermining Potential Sites for Runoff Water Harvesting using Remote Sensing and Geographic Information Systems-Based Modeling in SinaiHossam H. Elewa, Atef A. Qaddah, Ayman A. El-FeelProblem statement: Sinai is increasingly suffering from an overwhelming water crisis. Runoff Water Harvesting (RWH) could be a solution for this problem. The determined promising drainage basins for RWH could be used by the decision makers to propose appropriate controlling systems to overcome the problem of water scarcity and for implementing runoff farming and rain-fed agriculture. Approach: Remote sensing, geographic … …American Journal of Environmental Sciences, Vol. 8, Issue 1 · 15 Feb 2012 · 8,488 accessesView PDFCite
Research ArticleOpen accessIn the keywordsRural Population Density Effect on Socio-economic Characteristics: A ReviewAyoob K. Ismael, Ibrahim NgahProblem statement: Rural population density has a very significant independent influence over important demographic and socio-economic characteristics of the world rural communities. Thus, the understanding of rural population density becomes an important issue to be studied. Approach: Using the rural settled areas of Shaqlawa District as a case study, this study seeks to reveal the specific importance of rural population … …Journal of Social Sciences, Vol. 7, Issue 4 · 24 Oct 2011 · 8,092 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Review of Static Tests and Recent StudiesSrilert ChotpantaratProblem statement: Acid mine drainage from waste rocks, tailings and other mine components, is one of the most important environmental concerns at mining sites. To attempt to determine the balance between the acid and neutralization potentials of the material and evaluate the possible acid-forming potential of mine waste, many static prediction tests have been developed to evaluate the acid-forming potentials … …American Journal of Applied Sciences, Vol. 8, Issue 4 · 19 Apr 2011 · 7,669 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInvestigating the Effect of Powder Type on Improving the Flow in PipelinesHayder A. Abdul Bari, Rosli Bin Mohd Yunus, Tania Suhail HadiProblem statement: In the present investigation, three types of powders are chosen to be investigated as drag reducing agent in aqueous media. The effect of powder type effect will be highlighted in the present study. Approach: Three types of powders were select to be investigating in the present study, which are the sand, aluminum and the coal powders. The reason … …American Journal of Applied Sciences, Vol. 7, Issue 11 · 8 Nov 2010 · 7,398 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPerformance Evaluation of a Heavy Duty Chisel Plow at Various Tillage Depth and Forward SpeedsS. A. Al-Suhaibani, A.E. GhalyProblem statement: Tillage is a process of creating a desirable soil condition for seed germination and growth. The tillage of soil is considered to be one of the biggest farm operations as the tillage operation requires the most energy on the farm. Manufacturers of tillage implements tend to overdesign their products due to a lack of the proper testing and … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 4 · 4 Nov 2010 · 8,319 accessesView PDFCite