نتایج جستجو برای: mathematical planning
تعداد نتایج: 407343 فیلتر نتایج به سال:
in recent years, due to absence of integrated watershed management in most regions, natural resources have witnessed numerous damages with severe floods as one of its consequences which further leads to economic, social and environmental damages. presently, there is no optimal utilization of land in most watersheds hence no optimal model matching with facilities and objectives is used in the wa...
background & aim: nowadays, home health care services play significant roles in modern societies. such services allow the elderly and needy people to pass their treatment process at their own houses in a friendly environment. in this paper, weekly routing and scheduling problem of home health care personnel was investigated. methods & materials: insufficient number of expert personnel or overla...
this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...
Integrating the concepts of maintenance and production planning strategies is one of the most recent and important issues for the reason of their effects on the final product price. This paper considers different situations for production lines, separately and independently, in ordinary time and overtime, assuming possibility of outsourcing. This paper aims to find an optimal mainten...
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