نتایج جستجو برای: environmental parameters

تعداد نتایج: 928255  

Journal: :International Journal of E-Planning Research 2021

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Journal: :Elektronika ir Elektrotechnika 2014

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Journal: :International Astronomical Union Colloquium 1990

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Journal: :تحقیق در علوم شیلاتی 0
s rezagholinejad a arshad s.m nurul amin f ehteshami

the aim of this study was to estimate the influence of selected environmental parameters on the fish larval distribution and abundance between october 2012 and september 2013 in the mangrove estuarine area of marudu bay, sabah, malaysia. fish larvae samples were collected monthly using plankton net of 350 mm of mesh size with a mouth opening of 40.5 cm in diameter through 20 min surface tows. f...

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ژورنال: :مجله گیاهشناسی ایران 2012
مینا ربیعی یونس عصری بهنام حمزه حمزه عادل جلیلی فاطمه سفیدکن

artemisia sieberi besser رایج ترین گونه در ایران می باشد. در این تحقیق بازده و ترکیب های شیمیایی اسانس 34 جمعیت a. sieberi در سه ناحیه اقلیمی نیمه خشک، خشک و فراخشک مورد مطالعه قرار گرفت. همچنین بذور جمع آوری شده از این جمعیت ها در شرایط یکنواخت مزرعه مورد کشت قرار گرفت. اسانس گیاهان طبیعی و مزرعه ای استخراج گردید و ترکیب های اسانس توسط دستگاه های gc و gc-ms مورد تجزیه و تحلیل قرار گرفت. آزمون ...

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Journal: :ecopersia 2014
shekoofeh shokrollahi hhmid reza moradi ghasem ali dianati tilaki milad atghaei

this research investigates the vegetation of 4600 ha of polour semi-steppe rangelands in relation to edaphic and physiographical parameters in mazandaran province. for this purpose, 23 land units were selected from overlaying slope, aspect and elevation maps using geographic information system (gis). within each unit, 3 parallel transects with 100 m length, each containing 10 quadrates (accordi...

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Journal: International Journal of Nanoscience and Nanotechnology (IJNN) 2016
M. Habibnejad Korayem,

The sensitivity analysis of atomic force microscope (AFM) based manipulation of gold spherical nanoparticles in air medium has been carried out in previous research works. In the AFM-based manipulations conducted in various biological liquid mediums, the new environmental parameters associated with these biological fluids also affect the dynamics of the manipulation process. Therefore in this r...

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Journal: :AAOHN Journal 1996

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Journal: :Sustainability 2019

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Journal: :Applied and Environmental Microbiology 2008

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