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247 results for “field condition”
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Research ArticleOpen accessIn the abstractLife Cycle of Laboratory-Reared Acrobasis nuxvorella Neunzig (Lepidoptera: Pyralidae): A Pecan Nut PestCorella-Madueno Alba Guadalupe, Fu-Castillo Agustin, Harris Marvin et al.Acrobasis nuxvorella Neunzig is a monophagous pest that feeds on pecan nut trees, Carya illinoinensis. Its specific feeding habit makes the reproduction of this insect in the laboratory challenging. The objective of the present work was to replicate the biological cycle of A. nuxvorella under laboratory conditions. Different instar larvae of the insect were collected from infested nut trees. The … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 4 · 19 Sep 2012 · 8,326 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparison Between Niemann’s and Finite Element Method for the Estimation of Maximum Allowable Stress of Meshing Spur Gear Teeth at Highest Point of Single Tooth ContactKonstandinos G. Raptis, Theodore N. Costopoulos, Andonios D. TsolakisPurpose of this study is the consideration of loading and contact problems encountered at rotating machine elements and especially at toothed gears. The later are some of the most commonly used mechanical components for rotary motion and power transmission. This fact proves the necessity for improved reliability and enhanced service life, which require precise and clear knowledge of the stress … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 2 · 27 Aug 2012 · 7,764 accessesView PDFCite
Research ArticleOpen accessIn the abstractTunnel Static Behavior Assessed by a Probabilistic Approach to the Back-AnalysisClaudio Oggeri, Pierpaolo OresteProblem statement: The steps of the validation procedure of the project of a tunnel are briefly illustrated in this study, starting from the geological and structural surveys on the excavation walls and the measurement of the physical and mechanical parameters during the excavation works. Unfortunately, however, the knowledge of the rock mass, which is fundamental to the project, is usually … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 4 Jun 2012 · 7,034 accessesView PDFCite
Research ArticleOpen accessIn the abstractAdvanced Logistic Belief Neural Network Algorithm for Robot Arm ControlMbaitiga ZacharieProblem statement: This study discusses the implementation of advanced logistic belief Neural Network for robot arms control. Approach: Given the desired trajectory of the end-effectors in space, the logistic function is used to compute the conditional probability of the neurons being active in response to its induced field. The computations of conditional probabilities are performed under two different null conditions. … …Journal of Computer Science, Vol. 8, Issue 6 · 3 Apr 2012 · 6,935 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Nitrogen Containing Wastes Addition on Natural Aerobic Composting of Rice StrawThaniya Kaosol, Suchinun Kiepukdee, Prawit TowatanaProblem statement: Rice straw is an agricultural residue. Typically, the rice straw can be burn in the rice field after the harvesting process. The burning can cause air pollution. Another alternative rice straw management method is animal feed. The amount of rice straw is enormus in Thailand. Another sustainable way to manage rice straw is required. Rice straw is used … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 2 · 10 Mar 2012 · 8,197 accessesView PDFCite
Research ArticleOpen accessIn the abstractWheat Resistance to the Adult Insect of Sunn Pest, Eurigaster Integriceps PutNima Sanaey, Tohid Najafi MirakSunn pest is one of the most serious pests of wheat and barley in Asia, North Africa and Eastern Europe. Using of resistant cultivars is an effective strategy for Integrated Pest Management (IPM). In order to identify the resistant wheat to sunn pest, 79 Iranian bread and durum wheat cultivarslines were evaluated for resistance to natural infestations of sunn pest … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 1 · 15 Feb 2012 · 8,657 accessesView PDFCite
Research ArticleOpen accessIn the abstractProposed Reliability Techniques on Soil and Rock ExcavationsS. TangchawalProblem statement: Assessment of the ground mass excavation is normally done by the deterministic method. A quantitative indication of mass stability provides as an index term known "the Factor of Safety (F.S.)". There are uncertain to some degrees, such as only a single value of mass properties is used or variation in geologic conditions, computed values of F.S. are never … …Energy Research Journal, Vol. 2, Issue 1 · 26 Jan 2012 · 7,413 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Innovative Farm Scale Biogas/Composting Facility for a Sustainable Medium Size Dairy FarmA.E. Ghaly, M. Al HattabApproach: The amount of energy related costs as a portion of the total farm operating cost can be as high as 29% and the continuing increase of the real cost of energy related farm input has been one of the major factors impacting the cost of agricultural production. However, agricultural has the potential of replacing some of the purchased energy … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 1 · 5 Jan 2012 · 9,324 accessesView PDFCite
Research ArticleOpen accessIn the abstractHot Resistance Estimation for Dry Type Transformer Using Multiple Variable Regression, Multiple Polynomial Regression and Soft Computing TechniquesM. Srinivasan, A. KrishnanProblem statement: This study presents a novel method for the determination of average winding temperature rise of transformers under its predetermined field operating conditions. Rise in the winding temperature was determined from the estimated values of winding resistance during the heat run test conducted as per IEC standard. Approach: The estimation of hot resistance was modeled using Multiple Variable Regression … …American Journal of Applied Sciences, Vol. 9, Issue 2 · 22 Dec 2011 · 7,412 accessesView PDFCite
Research ArticleOpen accessIn the abstractConservation and Development of Indigenous Knowledge of the Use of Water BuffaloesSamanchai Suwanamphai, Songkoon Chantachon, Kosit PaengsoiProblem statement: The use of water buffalo labor for farming and tie between rice farmers and water buffaloes at present are greatly decreasing because rice farmers give more importance to modern ploughing machines than water buffaloes. Water buffalo rising and traditions and rituals involving them which have been useful to humans for a very long time almost all disappear from … …Journal of Social Sciences, Vol. 7, Issue 4 · 10 Aug 2011 · 8,226 accessesView PDFCite