نتایج جستجو برای: electrical conductivity ec

تعداد نتایج: 264877  

Journal: :تحقیقات نظام سلامت 0
مریم سلیمی دانشجوی کارشناسی ارشد، کمیته تحقیقات دانشجویی، گروه مهندسی بهداشت محیط، مرکز پژوهش های دانشجویی، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان ، اصفهان، ایران. محمد مهدی امین دانشیار، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران افشین ابراهیمی استادیار، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران اکبر قاضی فرد دانشیار، دانشکده علوم زمین، گروه زمین شناسی، دانشگاه اصفهان، اصفهان، ایران پیام نجفی دانشیار،گروه آبیاری، دانشکده کشاورزی، ، دانشگاه آزاد اسلامی- واحد خوراسگان، اصفهان، ایران حسین امینی کارشناس ارشد، گروه خاک شناسی، دانشکده کشاورزی، دانشگاه آزاد اسلامی- واحد خوراسگان، اصفهان، ایران. پروین رزمجو

background: phytoremediation is one of the methods used to remove contaminants and while being simple, cheap and efficient, does not cause environmental deterioration. the aims of this study were phytoremediation of soil contaminated by cd, the simultaneous survey of the influence of different electrical conductivity values, and comparison of two soil amendments including sludge and municipal c...

Journal: :Journal of the South African Veterinary Association 2008
M Aydin A Risvanli H Timurkan E Kaygusuzoglu

A study was conducted to investigate the possibility of measuring the electrical conductivity (EC) of cow's milk as a practical and cost-effective means of determining oestrus in cows. Prostaglandin injections were used to synchronise the oestrous cycle of 15 cows. From the onset of oestrus, milk and blood samples were collected from each cow every 2nd day over a period of 22 days. A portable, ...

Journal: :پژوهش های زراعی ایران 0
هنگامه عطاردی حمید ایران نژاد امیر حسین شیرانی راد رضا امیری غلامعباس اکبری

in order to assess drought stress and planting date effects applied on original plant, on the electrical conductivity rate of the subsequent seeds, this research was performed in two parts at the research field and laboratory during spring 2008. the field experiment was performed as a completely randomized block design (crbd) with 20 treatments and three replications. treatments included the se...

Journal: :Brazilian Archives of Biology and Technology 2023

HIGHLIGHTS Electrical conductivity (EC) and N:K ratios modify zucchini fruit size. Organoleptic characteristics of fruits increase with EC. Total dry mass production plants showed interaction between ratio

2014
Shaimaa A. Mohamed A.A. Al-Ghamdi G.D. Sharma M.K. El Mansy

Layers of ethylene carbonate (EC) modified CuI/PVA polymer composites were prepared by growth of CuI nano-particles in an aqueous solution of PVA followed by casting at room temperature. The structural, thermal, optical, electrical and di-electrical characterization of polymer composites was investigated using different techniques. These investigations confirm the growth of CuI nano-particles a...

Journal: Desert 2020
B. Roohzad M. Rahmati, N. Hamzehpour,

     Indirect measurement of soil electrical conductivity (EC) has become a major data source in spatial/temporal monitoring of soil salinity. However, in many cases, the weak correlation between direct and indirect measurement of EC has reduced the accuracy and performance of the predicted maps. The objective of this research was to estimate soil EC based on a general linear model via using se...

2004
E. Norberg G. W. Rogers P. Madsen

Electrical conductivity (EC) of milk is an indicator of mastitis, and could, if it shows genetic variation and is genetically correlated to mastitis, be used in a breeding program where selection for reduced mastitis resistance is included. In this study, daily measurements of EC and mastitis were analyzed with a bivariate model. For EC, the estimated heritability was high (0.22 to 0.39), while...

Journal: :physical chemistry and electrochemistry 0

the application of conductive coatings on ferritic stainless steel can decrease electrical conductivity. theaim of this research was to investigate the electrical conductivity of cobalt coated aisi 430 ferritic stainlesssteel by pack cementation technique. coated coupons were analyzed using scanning electron microscopy(sem). electrical conductivity of the coated substrates was measured as a fun...

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