نتایج جستجو برای: production and operation management

تعداد نتایج: 17088046  

Journal: :پژوهش های تولید گیاهی 0
بنیامین ترابی دانشگاه ولی عصر رفسنجان، گروه زراعت افشین سلطانی دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گروه زراعت سراله گالشی دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گروه زراعت ابراهیم زینلی دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گروه زراعت

documenting the production process in agriculture includes providing all information and activities that shows the course of production from seedbed preparation stage to harvest stage. for this purpose, in present investigation all management operations performed from seedbed preparation stage to harvest stage in the studied wheat fields in 2007 and 2008 were recorded through farms survey. in t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده ادبیات و علوم انسانی 1392

in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...

Journal: :بوم شناسی کشاورزی 0
منصوره احمدی مجید آقاعلیخانی

cotton (gossypium hirsutum l.) as a unique crop in natural fiber production has an important role in texture industry. it has also a large share in oil production for human nutrition and as a protein concentrate for animal feeding. therefore, cotton role in job opportunities in agriculture, industry and business divisions are undeniable. in order to determine the share of each direct and indire...

Journal: :journal of modern processes in manufacturing and production 2013
mohammad ali farsi

the map and the model designed by a designer and presented to a manufacturer in the form of a map is the result of his knowledge and innovation. the manufacturer, in turn, uses his best effort to produce a part accordingly. however, because of production problems and raw material, producing a precise part is very difficult and costly. one of the most important problems in this regard is designi...

Journal: :journal of rangeland science 2011
gh. r. badjian dahlan ismail m. sh. othman a.a. mehrabi

the first motive for the determination and evaluation of an energy productionsystem is the need to change. such system is dynamic in nature and is influenced bymany factors such as age and physiological status of individual sheep or goat, quantityand quality of available feed and environment including the management systems.traditional pastoral resource assessments do not always account for the...

Journal: :civil engineering infrastructures journal 0
bita analui phd candidate, institute of statistics and operations research (isor), university of vienna, vienna, austria. raimund kovacevic phd, institute of statistics and operations research (isor), university of vienna, vienna,austria.

multistage stochastic programming is a key technology for making decisions over time in an uncertain environment. one of the promising areas in which this technology is implementable, is medium term planning of electricity production and trading where decision makers are typically faced with uncertain parameters (such as future demands and market prices) that can be described by stochastic proc...

With development of distributed generation in industrial microgrids (IMGs), the energy management program is used for optimal scheduling of production and consumption that reduced the operation cost. By restructuring in power systems and increasing energy prices in some hours of the day, more attention has been paid to the demand side management programs. In this paper a new model for controlla...

ژورنال: سلامت و محیط زیست 2020

Background and Objective: One of the major challenges facing landfill operation is the pollution caused by leachate infiltration beneath the landfill site. Comprehensive leachate management requires knowledge of production rate and factors affecting it Therefore, in this study, HELP software was used to calculate leachate quantity and analyze input data. Materials and Methods: After designing ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

abstract lexical knowledge of complex english words is an important part of language skills and crucial for fluent language use (nation, 2001). the present study, thus, was an attempt to assess the role of morphological decomposition awareness as a vocabulary learning strategy on learners’ productive and receptive recall and recognition of complex english words. so 90 sophomores (female and ma...

Journal: :بوم شناسی کشاورزی 0
سلمان دستان افشین سلطانی قربان نورمحمدی حمید مدنی

the objectives of this study was to estimation of greenhouse gases (ghg) emissions and global warming in rice production and identify measures to reducing fossil energy use and greenhouse gases emissions. three rice production systems included sri, improved and conventional were studied. all activities, field operation and data in production methods and differents inputs rates were monitored an...

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