نتایج جستجو برای: i e

تعداد نتایج: 1949803  

Journal: :جنگل و فرآورده های چوب 0
ناصر نوروزی هارونی دانش آموختة کارشناسی ارشد جنگل داری، دانشگاه تربیت مدرس، نور، ایران مسعود طبری کوچکسرایی استاد، گروه جنگل داری، دانشگاه تربیت مدرس، نور، ایران

this study was conducted to study of morpho-physiological responses of robinia pseudoacacia l. seedlings under drought stress by irrigation period at 4 levels (intervals of 4, 8, 12 and 16 days). the experiment was performed as completely randomized design in a greenhouse environment. results indicated that all studied traits were affected by water stress, except water use efficiency (wue). the...

Journal: :پژوهش های تولید گیاهی 0

decreasing water loss and increasing the irrigation times are basic methods to develop agriculture, success in natural recourse projects, minimize the stress to planted bushes in natural fields and increase the productivity of soil and water sources. the use of super absorbent is one of these strategies to achieve these goals. the main purpose of this research was to study the effect of super a...

Journal: :مدیریت خاک و تولید پایدار 0
مجتبی محمودی عضو هیأت علمی/ مرکز تحقیقات کشاورزی و منابع طبیعی مازندران نسیم رنجکش دانش آموخته / دانشگاه آزاد اسلامی قائمشهر

application of various composts has been intensified in agriculture, due to manifestation of negative effects of chemical fertilizers on environment and soil fertility. however, their usage should be accompanied by environmental and nutritional studies. to study the effects of sulfur granular compost on yield and yield components of two wheat cultivars, a pot experiment was conducted in a compl...

Journal: :iranian journal of allergy, asthma and immunology 0
farzaneh rezazadeh marznaki institute of biochemistry and biophysics, department of biochemistry, university of tehran, tehran, iran raheleh shakeri institute of biochemistry and biophysics, department of biochemistry, university of tehran, tehran, iran sussan kaboudanian ardestani institute of biochemistry and biophysics, department of biochemistry, university of tehran, tehran, iran azar tahghighi department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran alireza foroumadi department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran

it   was   recently   demonstrated   that   5-(5-nitrofuran-2-yl)-1,   3,   4-thiadiazoles   with piperazinyl-linked benzamidine substituents are effective in vitro against leishmania major. following on this evidence, we used colorimetric assay of acid phosphatase activity in the promastigotes  as  an  indicator  for  cell  viability.  also  we  studied  the  effect  of  these compounds on ind...

Journal: :acta medica iranica 0
mahshid talebi-taher department of geriatric medicine, antimicrobial-resistant research center, iran university of medical sciences, tehran, iran. . shahin babazadeh department of internal medicine, faculty of medicine, iran university of medical sciences, tehran, iran. mitra barati department of pediatrics, pediatric infectious diseases research center, and iran university of medical sciences, tehran, iran. maryam latifnia department of internal medicine, faculty of medicine, iran university of medical sciences, tehran, iran.

differentiating sepsis from other noninfectious causes of systemic inflammation is often difficult in the elderly. the aim of this study was to evaluate the ability of c-reactive protein (crp), erythrocyte sedimentation rate (esr), procalcitonin (pct), and interleukin-6 (il-6) to identify elderly patients with sepsis. in this single center prospective observational study, we included all consec...

Journal: :journal of medical education 0
mohsen moghadami

background and pupose:   methods:   results:   conclusion:

Journal: :علوم باغبانی ایران 0
سیدضیاء نصرتی عضو هیئت علمی جهاد دانشگاهی دانشگاه تهران و دانشجوی دکتری گروه علوم باغبانی پردیس کشاورزی و منابع طبیعی دانشگاه تهران مهدی حدادی نژاد دانشجوی دکتری گروه علوم باغبانی پردیس کشاورزی و منابع طبیعی دانشگاه تهران اله داد سلیم پور عضو هیئت علمی جهاد دانشگاهی کاشمر، خراسان رضوی رقیه جوانپور هروی عضو هیئت علمی جهاد دانشگاهی دانشگاه تهران و دانشجوی دکتری گروه علوم باغبانی پردیس کشاورزی و منابع طبیعی دانشگاه تهران

grape vine is one of the important horticultural crops with unique standing as regards use and consumption. the fruit is utilized from immature to ripened state and as raisins. its leaves can be used when they are soft and fresh. therefore it is necessary to improve iranian grapevine quality as well as quantity. the main purpose of this study was the use of phenyl phetalamic acid (ppa) to incre...

Journal: :محیط شناسی 0
فریدا ایرجی آسیابادی دکتری علوم محیط زیست، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد اصفهان (خوراسگان)، اصفهان، ایران سید احمد میرباقری استاد، دانشکدۀ مهندسی عمران، دانشگاه صنعتی خواجه نصیر طوسی، تهران، ایران علی اصغر بسالت پور استادیار، دانشکده کشاورزی، دانشگاه ولی عصر (عج) رفسنجان، رفسنجان، ایران

1. introduction isfahan oil refinery (isfahan, iran) is responsible for the production of huge amounts of oil waste. as the released organic compounds are highly toxic, carcinogenic, and mutagenic, they can potentially contaminate the soil and groundwater resources of the adjacent area. this is particularly important in isfahan where arid/semi-arid climate has limited the access to adequate sur...

Journal: :جنگل و فرآورده های چوب 0
خسرو حسینیان کارشناس ارشد علوم و صنایع چوب و کاغذ دانشکدة منابع طبیعی دانشگاه تربیت مدرس نور، ایران مهدی رحمانی نیا استادیار گروه علوم و صنایع چوب و کاغذ دانشکدة منابع طبیعی دانشگاه تربیت مدرس نور، ایران امیر خسروانی استادیار گروه علوم و صنایع چوب و کاغذ دانشکدة منابع طبیعی دانشگاه تربیت مدرس نور، ایران

to compensate for some inferior properties of recycled papers, application of processing chemical aids such as chitosan can be quite effective in the wet end section of papermaking. in this study, the performance of chitosan biopolymer, individually or associated with nanobentonite was investigated as wet end additive on recycling process of white cuttings. for this purpose, the performance of ...

Journal: :پژوهش های جغرافیای طبیعی 0
سعدون سلیمی کارشناسی ارشد آب و هواشناسی سینوپتیک، دانشگاه خوارزمی محمد سلیقه دانشیار گروه آب وهواشناسی، دانشگاه خوارزمی

introduction water vapor can spread in molecular, unstable and erratic phase and can also transfer by convection and advection process. this transfer happens from the earth and ocean surfaces to the atmosphere in hot air. this type of transfer is considered as the main pattern. in the studies of the atmosphere, one of the prominent factors to be considered is the complexity of water vapor and i...

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