نتایج جستجو برای: suggesting that each production input

تعداد نتایج: 7026467  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

different researchers in different parts of the world have investigated the strategies used to translate written works ranging from novels to classroom assignments. however, by the significant increase in the number of postgraduate students in iran in the last few years, a very common kind of translation in iran includes translating abstracts of master’s theses. in this work, the researcher hav...

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...

ژورنال: علوم آب و خاک 2002
راستی فر, مصطفی , شرزه ای, غلامعلی , قطمیری, محمدعلی ,

This paper studies the structure of cost and production of rice using cross section data from rice farming in Guilan in 1997. A translog cost function is specified for this purpose and estimated, using Iterative Seemingly Unrelated Regressions for both the short and the long run where all factors are taken to be variables. The results of the study are as follows: 1. Neither in the short-run nor...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
سید هاشم امینی دانشجوی کارشناسی ارشد مدیریت دامپروری دانشگاه علوم کشاورزی و منابع طبیعی گرگان احمدرضا یزدانی استادیار دانشکدۀ علوم دامی دانشگاه علوم کشاورزی و منابع طبیعی گرگان امیرحسین چیذری استادیار گروه اقتصاد کشاورزی دانشکدۀ علوم کشاورزی و منابع طبیعی دانشگاه تهران پژمان اعلائی بروجنی دانشجوی دکتری اقتصاد کشاورزی دانشگاه تربیت مدرس حامد رفیعی دانشجوی دکتری اقتصاد کشاورزی دانشکدۀ علوم کشاورزی و منابع طبیعی دانشگاه تهران

one of the main factors affecting on the technical and economic performance of farms and livestock is the ability or capacity management. main goal of farm management is achieving specific performance, profitability and productivity; there for measurement management and performance in livestock farms are necessary. considering the necessity of increasing production and quality in the dairy indu...

Journal: :بوم شناسی کشاورزی 0
امین نیکخواه باقر عمادی فرشاد شعبانیان هانی حمزه کلکناری

sustainable development of the production in every region requires consideration of energy flow in the production system, moreover, investigating the production system inputs from environmental management point of view is of high importance. in this study energy use and greenhouse gas emissions is investigated. data were collected through interviews with 75 tea farmers and comparing the results...

Journal: :journal of agricultural science and technology 2014
h. r. mirzaei khalilabadi a. h. chizari m. dahajipour heidarabadi

as one of the most important products of iran, pistachio has a significant share in non-oil revenues. its annual foreign exchange earnings are over 800 million dollars. however, production of this nut in the country’s major production centers is faced with many problems regarding the efficiency and productivity of the inputs. this study was performed by using two-stage cluster sampling method. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - پژوهشکده برق و کامپیوتر 1390

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده زبانهای خارجی 1393

writing an academic article requires the researchers to provide support for their works by learning how to cite the works of others. various studies regarding the analysis of citation in m.a theses have been done, while little work has been done on comparison of citations among elt scopus journal articles, and so the dearth of research in this area demands for further investigation into citatio...

This quasi-experimental study examined the effects of input-based, meaning-based output (MO) and traditional instruction (TI) on EFL learners’ grammar learning. To this end, 120 junior high school students were selected from 4 intact classes. Each class was assigned to an instructional condition, that is, textual enhancement (TE), input flood (IF), MO, and TI. Before the treatment, a multiple-c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...

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