نتایج جستجو برای: total phosphorous and total nitrogen 87

تعداد نتایج: 16906508  

Journal: :تحقیقات نظام سلامت 0
سید عباس میرزایی کارشناس، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی جندی شاپور اهواز، اهواز، ایران نعمت اله جعفرزاده حقیقی فرد دانشیار، مرکز تحقیقات فناوریهای محیط زیست، دانشگاه علوم پزشکی جندی شاپور اهواز، اهواز، ایران.

background: constructed wetlands (cw s ) are mimic filtration process in natural wetlands that effectively remove variety pollutants from wastewater. the main objective was the feasibility evaluation for using of subsurface flow constructed wetland in nitrogen and phosphorus removal from synthetic based on domestic wastewater in lab scale. methods: in this study, a synthetic wetland subsurface ...

Journal: :علوم دامی ایران 0
محمود حقیقیان رودسری محمد روستایی علیمهر سید مقداد طاهری تاری سید عبدالحسین ابولقاسمی سید علی اصغر سفیدگر

to study the possible use of phytase and yeast (saccharomyces cervisiae) in corn-soy bean meal base diet with different levels of available phosphorous in arbor acers broiler chicks, an experiment was conducted with 264 day old chicks of an average weight of 44.6 grams each. a completely randomized design of 6 treatments and 4 replications (11 chicks per replicate) for periods of starter, growe...

Journal: :پژوهش های زراعی ایران 0
علیرضا دادخواه مجید امینی دهقی محمد کافی

in order to investigate the effects of different levels of nitrogen and phosphorous fertilizers on flower yield , yield components and some quality components of german chamomile, a factorial experiment based on a randomized complete block design with four replications was carried out in the medicinal plant research farm of shirvan college of agriculture during growing season of 2007-2008. nitr...

ژورنال: طلوع بهداشت یزد 2015
پیرصاحب, مقداد , محمدی, میترا ,

Abstract Introduction: Hospital wastewater including nutrients, nitrogen and phosphorous especially, that with discharge in environment result in problems in water ecosystem, animals and human health. Therefore, the aim of this study is determination of Nitrogen and phosphorous simultaneous removal from hospital wastewater by intermittent cycle extended aeration system (ICEAS). Methods: In...

The present study was conducted to evaluate the effect of expanded clay (Leca) and Styrofoam on the physical characteristics of growing media and their relationship with the growth of Spathiphyllum wallisii. The experiment was laid out in a complete randomized design (CRD) with 9 treatments and 3 replications. Cocopeat and peat moss combined with different proportions of inorganic materials Lec...

Coenurus cerebralis is the larval stage of Taenia multiceps inhabiting the small intestine of dogs and wild carnivores as the definitive hosts. A two-year-old wild female goat (Capra aegagrus) was referred with signs of lateral recumbency and seizure for four days and loss of appetite. In clinical examination, paddling, convulsion, and unconsciousness were observed in...

Alaleh Zoghi, Aliakbar Saboury, Kianoush Khosravi-Darani, Kourosh Egbaltab, Mahshid Jahadi, Mohammad-Reza Ehsani, Mohammad-Reza Mozafari, Rooh alla Ferdwosi,

Background and Objectives: Fast proteolysis of cheese in ripening process may lead to the premature attack of casein, release of the majority of enzymes into the whey, and loss of cheese composition from curd to whey. In this study, the effect of liposomal Flavourzyme on proteolysis of Iranian white brined cheese, as well as on the yield and composition of whey and curd was investigated. Mater...

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