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60 articles for “Life Stage”
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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 · 8,324 accessesView PDFCite
Research ArticleOpen accessIn the abstractOn Nonlinear Age- and Stage-Structured Population ModelsArild WikanThe scope of this review article is to present and discuss various aspects of discrete nonlinear age- and stage-structured population models. We show that such models cover species which exhibit a wide range of different life histories and that one may use them in order to deduce fairly general ecological principles with respect to stability and dynamical outcomes. From a … …Journal of Mathematics and Statistics, Vol. 8, Issue 2 · 6 Jul 2012 · 7,052 accessesView PDFCite
Research ArticleOpen accessIn the abstractMeat Spoilage Mechanisms and Preservation Techniques: A Critical ReviewD. Dave, Abdel E. GhalyProblem statement: Extremely perishable meat provides favorable growth condition for various microorganisms. Meat is also very much susceptible to spoilage due to chemical and enzymatic activities. The breakdown of fat, protein and carbohydrates of meat results in the development of off-odors, off-flavor and slim formation which make the meat objectionable for human consumption. It is, therefore, necessary to control meat … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 4 · 2 Nov 2011 · 54,798 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Edible Coatings, Storage Time and Maturity Stage on Overall Quality of Tomato FruitsJorge Esteban de Jesús Dávila-Aviña, José Villa-Rodríguez, Reynaldo Cruz-Valenzuela et al.Problem statement: Tomato (Lycopersicon esculentum Mill.) is one of the most widely consumed fresh vegetables in the world; however, its highly perishable nature limits its postharvest life. Major losses in tomato quality and quantity occur between harvest and consumption. Therefore, the application of new technologies to extend the postharvest life of this commodity is needed. The use of edible coatings … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 1 · 14 Mar 2011 · 11,286 accessesView PDFCite
Research ArticleOpen accessIn the abstractVedas and the Development of Arithmetic and AlgebraGurudeo Anand TularamProblem statement: Algebra developed in three stages: rhetorical or prose algebra, syncopated or abbreviated algebra and symbolic algebra-known as “school algebra”. School algebra developed rather early in India and the literature now suggests that the first civilization to develop symbolic algebra was the Vedic Indians. Approach: Philosophical ideas of the time influenced the development of the decimal system and arithmetic … …Journal of Mathematics and Statistics, Vol. 6, Issue 4 · 31 Dec 2010 · 8,263 accessesView PDFCite
Research ArticleOpen accessIn the abstractModeling Tourist Arrivals in Destination Countries: An Application to Australian TourismS. A.H. Shobeiri Nejad, Gurudeo Anand TularamProblem statement: Little study is evident of mathematical modeling regarding tourist arrivals in South East Queensland of Australia. In this study the Bulter conceptual destination life cycle and product life cycle frameworks are used to develop an overall determinant mathematical model of Australian tourist arrivals. The model will be calibrated using real Australian data. A more complex dynamic is also … …Journal of Mathematics and Statistics, Vol. 6, Issue 4 · 31 Dec 2010 · 7,915 accessesView PDFCite
Research ArticleOpen accessIn the abstractTo Seek the Hidden MonsterK. K. Rahul, S. AmbujamProblem statement: The asymptomatic stage of HIV infection is dealt with in detail in all Dermatology books. Patients in this stage present with skin lesions that occur even in the immunocompetent. However when these lesions recur, are atypical, aggressive or unresponsive to treatment, it is worthwhile to go back into the history to ascertain if there is a history of … …Current Research in Medicine, Vol. 1, Issue 2 · 31 Oct 2010 · 6,927 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Design Framework for End-of-Life Vehicles Recovery: Optimization of Disassembly Sequence Using Genetic AlgorithmsT. F. Go, D. A. Wahab, M.N. Ab. Rahman, R. RamliProblem statement: It is expected that over the next few years type approval legislation and public awareness will force vehicle manufacturers to identify recovery methods during the design process in order to achieve reuse and recycling targets. Current vehicle design in Malaysia does not sufficiently aid the economic recovery of parts and materials to reach these targets. Approach: This study … …American Journal of Environmental Sciences, Vol. 6, Issue 4 · 31 Aug 2010 · 7,319 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Black Cutworm as a Potential Human FoodA.E. GhalyProblem statement: The black cutworms (Agrotis ipsilon) were grown in an artificial medium to evaluate their potential as a human food. Approach: The culture was started from moths and the life cycle and culture structure were evaluated. There was an initial adjustment period of 3 days during which the growth of the larvae was very slow. The size of the … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 4 · 31 Dec 2009 · 7,573 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrediction of End-of-Life Strategies for Household Equipments Using Artificial IntelligentM. M. Noor, K. Kadirgama, Aidy Ali et al.Problem statement: Environment issue on the dumping of used household product is a big challenge nowadays. Towards green design, life cycle of a product is very crucial. This study discussed on recycling strategies which include reuse, service, remanufacture and recycle with or without disassembly by using Support Vector Machine Method (SVM). Approach: In early stage of prediction, the input parameters … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 31 Oct 2009 · 7,931 accessesView PDFCite