نتایج جستجو برای: uv graft

تعداد نتایج: 154799  

ژورنال: :سلول و بافت 0

هدف: کاهش ضخامت لایه اُزن در اثر افزایش آلاینده ها سبب کاهش جذب پرتوهای فرابنفش (uv) خورشید به وسیله‏ی این لایه و در نتیجه آسیب موجودات زنده، از جمله گیاهان می شود. وقوع تغییرات فیتوشیمیایی در گیاهان از جمله واکنش های سازش، دفاع و مقابله‏ی آنها در برابر آسیب های ناشی از این پرتوهاست. پس بررسی این تغییرات در گیاهان عالی اهمیت دارد. مواد و روش ها: ده گروه کشت شامل گیاهان بذری و مزرعه ای شاهد و تحت...

Journal: :journal of ornamental plants 2014
hamed babaie hossein zarei khodayar hemmati

ficus benjamina l. is indoor plant in temperate areas that is a tree species belongs to moraceae family. propagation of this plant is down by vegetative method. this study was conducted to evaluate the effect of iba concentration and time of taking cutting on propagation of ficus benjamina via stenting technique in gorgan university of agricultural sciences and natural resources, in 2012. treat...

ژورنال: :محیط شناسی 2004
دکتر احمد جنیدی جعفری

مواد آلی سمی و فلزات سنگین به عنوان مواد زائد صنعتی می توانند محسوب گردند و در فاضلاب بسیار از صنایع یافت شوند . این مواد در صورتی که به طور همزمان در فاضلاب وجود داشته باشند – می توانند برای سیستم های تصفیه مشکلاتی ایجاد کنند . حضور یون های فلزی در فاضلاب مخلوط صنعتی می تواند سبب کند شدن تخریب یا تجزیه الاینده های آلی گردد و همچنین بازده بازیافت فلزات به دلیل حضور ترکیبات آلی کاهش می یابد . هد...

شمشیری, مرتضی , صفری, منوچهر , مرزبان, حسن , مینایی, باقر , نصراله زاده, بتول ,

With the intention of research about culture and autologus graft of epithelial tissue we used 4 french Albino Rabbits with an average age of 2 months. After reproduction on the support in EMEM (Eagle's Minimum Essential Medium) we used this for graft after 4 weeks. This region which grafted total replaced. After fixation of this sample and passing them through various process, histological sect...

Journal: :journal of petroleum science and technology 0
mousa pakzad zanjan university ali ramezani faculty of science, university of zanjan, zanjan, iran mojtaba abbasian payame noor university

cellulose was modified by polystyrene (ps) and polyacrylonitrile (pan) via free radical and living radical polymerization, and then cellulose was used as the matrix in the preparation of polymer/clay nanocomposite, through a solution intercalation method. for this purpose, first, the graft polymerization of styrene (st) onto cellulose fibers was performed by using suspension polymerization and ...

Journal: :مجله بین المللی کودکان و نوجوانان 0
rozita hoseini pediatric nephrologist, pediatric transplantation dialysis research center, iran university of medical sciences, tehran, iran nasim mirzaiee tehran university of medical sciences, tehran, iran nasim mirzaiee tehran university of medical sciences, tehran, iran nahid rahimzadeh pediatric nephrologist, pediatric transplantation dialysis research center, iran university of medical sciences, tehran, iran

background and objective: cystinosis is a rare inherited disease that leads to renal failure. fanconi syndrome is the major renal involvement in cystinosis patients. renal transplantation is the treatment of choice in cystinosis children with end-stage renal disease (esrd).  the study aimed to assess the outcome of renal transplantation in iranian children with cystinosis. methods: this retrosp...

Journal: :Journal of Physics: Conference Series 2020

Journal: :Journal of Photopolymer Science and Technology 2016

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2006
mohammad taghi taghizadeh abbas mehrdad

graft polymerization of acrylic acid (aa) and ethyl methacrylate (ema) onto starch (st) were carried out in aqueous solution using ceric ammonium nitrate (can) as redox system under n2 atmosphere. the effect of ph, reaction time, temperature, concentrations of can, st, and monomers on the graft yield was investigated. monomer reactivity was in the following order: aa>ema.the kinetics of the gra...

Journal: :iranian red crescent medical journal 0
mohammad javad fatemi department of plastic and reconstructive surgery, fatemeh zahra hospital, tehran university of medical sciences, tehran, ir iran abol hasan emami department of plastic and reconstructive surgery, fatemeh zahra hospital, tehran university of medical sciences, tehran, ir iran sina ghiasi shiraz burn research centre, division of plastic surgery, department of general surgery, shiraz university of medical sciences, shiraz, ir iran; shiraz burn research centre, division of plastic surgery, department of general surgery, shiraz university of medical sciences, shiraz, ir iran. tel: +98-7118219640; ext: 2, fax: +98-7118217090 seyed morteza seyed jafari shiraz burn research centre, division of plastic surgery, department of general surgery, shiraz university of medical sciences, shiraz, ir iran ali akbar mohammadi shiraz burn research centre, division of plastic surgery, department of general surgery, shiraz university of medical sciences, shiraz, ir iran

background: autologous skin graft is frequently used in the field of plastic, and reconstructive surgery. the engraftment is dependent upon revascularization and angiogenesis, which can be regulated by different factors. in addition to its hematopoietic effects, erythropoietin is shown to positively affect the wound healing process. objectives: we studied effects of human erythropoietin on reva...

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