effectiveness and success of agricultural advisory services companies happen by continuing studies on the problems and then, eliminating them. the purpose of this research was to study problems of agricultural engineering and technical advisory services companies. the statistical population of this study included administrators of agricultural engineering and technical advisory services compani...

often in modeling the engineering optimization design problems, the value of objective function(s) is not clearly defined in terms of design variables. instead it is obtained by some numerical analysis such as fe structural analysis, fluid mechanic analysis, and thermodynamic analysis, etc. yet, the numerical analyses are considerably time consuming to obtain the final value of objective functi...

the main purpose of this descriptive-survey study was to investigate the problems of applying cell phone in delivering agricultural consultancy, technical and engineering services. the statistical population of the study consisted of 218 experts working in agricultural consulting, technical and engineering service ventures in zanjan province. according to the kjercie and morgan table, a sample ...

With the increasing requirements for energy, resources and space, numerous rock engineering projects (e [...]