نتایج جستجو برای: 9329 and 8228 percent respectively
تعداد نتایج: 16828781 فیلتر نتایج به سال:
now a day winter cover crops planting has been attended to reduce herbicide application. an experiment was carried out at the research farm of agriculture faculty, bu- ali sina, university, in 2009. the experiment was a randomized complete block design with three replications. the trial included of five treatments consists of no cover crop, rye, winter oilseed rape, barley and triticale. the re...
چکیده توان بالقوه تجاری سلولازها و کاربردهای گوناگون آن ها در بسیاری از صنایع انگیزه ای قوی برای تحقیق در این زمینه طی چند دهه گذشته بوده است. با توجه به کاربردهای فراوان این آنزیم در صنایع غذایی? در این پژوهش تصمیم به جداسازی ریزسازواره های تولید کننده سلولاز از خاک درختان انار، انگور، خرمالو و گردو حیاط دانشکده کشاورزی تربیت مدرس، گرفته شد. در این بین خاک درخت خرمالو به دلیل دارا بودن تعداد ...
The uniformity parameters in drip irrigation system are influenced by the slope of manifold and therefore, the evaluation of drip irrigation systems is important in slopping lands. In this research, different slopes of 0.2, 6, 11, 16, 20 and 25% were applied on the ground surface and manifold of drip irrigation system with diameters of 50, 63 and 75 mm and length of 70 m were installed on these...
Background: physical activity at teenage time is known as Health determinant at adolescence and elderly. The aim of this study is determining of Intended level of physical activity and effective factors in boy high school students advice on a housing town in Tehran. Methods: A cross-sectional study done on 179 boy students. Data was collected through researchers made questionnaire. Validity...
Introduction & Objective: Multiple sclerosis (MS) is an autoimmune disease with unknown cause. MS is one of the disabling neurologic diseases in adult especially young range that myelin part of central nervous system (CNS) is destructed. The aim of this study was assessment of types A and B personality and internal and external locus of control in multiple sclerosis (MS) patients and comparis...
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