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Research ArticleOpen accessIn the abstractFuel and Greenhouse Gas Emission Reduction Potentials by Appropriate Fuel Switching and Technology Improvement in the Canadian Electricity Generation SectorFarshid Zabihian, Alan S. FungProblem statement: In recent years, Greenhouse Gas (GHG) emissions and their potential effects on global climate change have been a worldwide concern. According to International Energy Agency (IEA), power generation contributes more than half of the global GHG emissions. Approach: Purpose of this study is to examine GHG emission reduction potentials in the Canadian electricity generation sector through fuel switching … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,031 accessesView PDFCite
Research ArticleOpen accessIn the abstractDeveloping Ornamental Plants for Promoting Community EconomyKritsana Khonphian, Wirat Pansila, Prasopsuk RitthidetProblem statement: This study aimed to investigate the development of ornamental plants for promoting community economy in marketing and product selling. The study area was Ban Mai Udom, Tambon Ban Mai, Amphoe Nong Bunmak, Changwat Nakhon Ratchasima. Approach: This qualitative research study collected documentary data and field data using survey, observations, interviews and focused group discussion. The sample consisted of … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,205 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of the Activity of Plant Extracts in Boer GoatsM. Worku, R. Franco, J. H. MillerProblem statement: The effect of extracts from Neem (Azadirachta indica), Wormwood (Artemisia absinthium) and Tobacco (Nicotiana tabacum) with added copper sulfate, on female Boer goats infected with gastrointestinal parasites (GIN) was evaluated. Approach: Following initial screening for infection, animals were artificially infected with a mix containing approximately 80% Haemonchus contortus and 20% Trichostrongylus spp. After 21 days, fecal samples were … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 4 · 21 Dec 2009 · 8,471 accessesView PDFCite
Research ArticleOpen accessIn the abstractPerformance of Pre-Weaned Dairy Calves under Hot Arid Environment: Effects of Immunoglobulins and Age on Diseases and MortalityM. A. Razzaque, T. Al-Mutawa, S. Abbas, M. BedairProblem statement: A high mortality rate (crude mortality 43.6%) of pre-weaned dairy calves resulted in unavailability of replacement heifers in Kuwait. Dairy producers resorted to import pregnant heifers for herd replacement. This study was undertaken to investigate the effects of dam vaccination and age, serum Immunoglobulin (Ig) on disease syndromes and mortality in pre-weaned calves. Approach: Late pregnant Holstein Friesian … …American Journal of Applied Sciences, Vol. 6, Issue 11 · 30 Nov 2009 · 7,555 accessesView PDFCite
Research ArticleOpen accessIn the abstractCompetitiveness and Prospects of Greek Asparagus: The European ContextArgyrios D. Kolokontes, Anastasios SemosProblem statement: The revisions and the anticipated abolition of CAP will change the agricultural structure in member states of EU. Although the asparagus, without government interventions, from the decade of 90' has been transformed at one of more promising, in exports terms, cultivation for Greece, however under the existing circumstances it has a doubtful future. Approach: This research studied the … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 7,170 accessesView PDFCite
Research ArticleOpen accessIn the abstractUsing SWAT to Target Critical Source Sediment and Phosphorus Areas in the Wister Lake Basin, USAPhilip R. Busteed, Daniel E. Storm, Michael J. White, Scott H. StoodleyProblem statement: Wister Lake is located in the San Bois Mountains in southeastern Oklahoma, USA. The reservoir is primarily used as a water supply and flood storage to over 40,000 residents in the area. Due to high levels of phosphorus and sediment, Wister Lake is listed as a high priority basin for the State of Oklahoma. To help address these … …American Journal of Environmental Sciences, Vol. 5, Issue 2 · 30 Apr 2009 · 7,292 accessesView PDFCite
Research ArticleOpen accessIn the abstractDeterminants of Intra-Industry Trade between Zimbabwe and its Trading Partners in the Southern African Development Community Region (1990-2006)Tafirenyika Sunde, C. Chidoko, J. ZivanomoyoProblem statement: The main objective of this study was to establish the determinants of intra industry trade between Zimbabwe and its trading partners in the Southern African Development Community (SADC) region. The study was mainly motivated by the need to establish the type of goods that Zimbabwe trades with its trading partners. Approach: The study also wanted to prove the … …Journal of Social Sciences, Vol. 5, Issue 1 · 31 Mar 2009 · 8,054 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimal Bidding Strategies for Generation Companies in a Day-Ahead Electricity Market with Risk Management Taken into AccountAzmi Saleh, Takao Tsuji, Tsutomu OyamaProblem statement: In a competitive electricity market with limited number of producers, Generation Companies (Gencos) is facing an oligopoly market rather than a perfect competition. Under oligopoly market environment, each Genco may increase its own profit through a favorable bidding strategy. The objective of a Genco is to maximize its profit and minimize the associated risk. In order to achieve … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 1 · 31 Mar 2009 · 8,233 accessesView PDFCite
Research ArticleOpen accessIn the abstractExtraction of Essential Oil from Nigella sativa Using Supercritical Carbon Dioxide: Study of Antibacterial ActivityNagi A. Alhaj, Mariana N. Shamsudin, Hana F. Zamri, Rasedee AbdullahThe antimicrobial activity of N. sativa essential oil obtained by supercritical fluid extraction by carbon dioxide was investigated against Gram Positive and Gram negative strains, isolated from clinical specimens. Best conditions for Black cumin oil extraction are obtained at 400 bar, 40°C and a solvent flow rate of 25 g min-1. The seed extracts were prepared by supercritical fluid extraction … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 4 · 31 Dec 2008 · 8,205 accessesView PDFCite
Research ArticleOpen accessIn the abstractVibrio cholerae O1 Strains of Different Ribotypes have Similar hlyA RFLP Patterns but Different Vacuolating AbilityJorge E. Vidal, Paula Figueroa-Arredondo, Silvia Giono-Cerezo et al.Extensive cytoplasmic vacuolation on Vero and HeLa cells in vitro by the Vibrio cholerae pore forming toxin HlyA, has been previously reported by our group. Vibrio cholerae O1 and non-O1 pathogenic strains show differences in the potential to induce vacuolation, here we study occurring variations on vacuolating cytotoxic ability, related to changes in the nucleotide sequence of the hlyA-orf. A … …American Journal of Infectious Diseases, Vol. 3, Issue 2 · 30 Jun 2007 · 6,984 accessesView PDFCite