Regression Analysis and Modeling of Failure Rate and its Effective Factors on Tractors in Some Cities of Khuzestan Province

Fatemeh Afsharnia; Mohammad Asoodar; Abbas Abdeshahi

Volume 1.32, مجموعه مقالات منتشر شده در حوزه مهندسی زراعی قبل از تفکیک مجله علمی کشاورزی در سالهای 1354 تا 1388 , February 1976, , Pages 49-58

Abstract
  Effective operation of a system is related to acceptable programming of repair and service activities. Efficient managerial programming is associated with accurate estimation of maintenance system parameters. In this study, four tractors failure rate was investigated by completing 300 questionnaires ...  Read More

Effects of Tillage Methods and Irrigation on Greenhouse Gasses Emission under Wheat Cultivation in the North of Khuzestan

Farideh Yarahmadi; Ahmad Landi; Mohammad Asoodar; Adel Moradi Sabz Kuhi

Volume 1.32, مجموعه مقالات منتشر شده در حوزه مهندسی زراعی قبل از تفکیک مجله علمی کشاورزی در سالهای 1354 تا 1388 , February 1976, , Pages 71-82

Abstract
  Increasing the concentrations and emissions of greenhouse gases makes the weather warmer and affects land uses. Carbon dioxide emission is recognized as one of the most important factors in global warming. The objectives of this research were to investigate the amount of CO2 emission from soil to atmosphere ...  Read More