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	Provedor de dados CIGR Journal (1) Autor Abdeshahi, Abbas (1) Afsharnia, Fatemeh (1) Asoodar, Mohammad Amin (1) Marzban, Afshin (1) Palavra-chave Failure rate (1) Khouzestan (1) Storage condition (1) Tractor (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2013 (1) País China (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Failure rate analysis of four agricultural tractor models in southern Iran CIGR Journal Afsharnia, Fatemeh; Asoodar, Mohammad Amin; Abdeshahi, Abbas; Marzban, Afshin. Tractors play an important role in agricultural mechanization.  A repairable mechanical system (as agricultural tractor) is prone to deterioration or repeated failures.  In this study, the owners of three hundred tractors, which include Massey Ferguson (MF285 model and MF399 model), John Deere (JD3140 model) and Universal (U650 model), were interviewed, from five regions of Khouzestan Province.  A regression model was used to predict the tractors failure rate.  The machine failure pattern was carefully studied and key factors affecting the failure rate were identified in these regions.  The data obtained from farm records valid by using questionnaire was separated into two groups according to how those tractors were stored.  Results showed that the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Failure rate; Tractor; Storage condition; Khouzestan. Ano: 2013 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2651 Registros recuperados: 1 Primeira ... 1 ... Última

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