نتایج جستجو برای: روش cross

تعداد نتایج: 858891  

Journal: :iran agricultural research 2008
m. bakhshoodeh m. zibaei

this paper explores the effects of general and agricultural trade openness on economic freedom and alongside with the quality of institutions, on income and poverty. recent cross-country data for over 200 nations in global regions were used to estimate equations for income, poverty and economic freedom. economic freedom appears to have positive impacts on income levels, which together with good...

Journal: :iranian journal of biotechnology 2015
kanmani palanisamy kumaresan kuppamuthu aravind jeyaseelan

background: lipase is an enzyme with immense application potential. ester synthesis by lipase catalysis in organic media is an area of key industrial relevance. enzymatic preparations with traits that cater to the needs of this function are hence being intensely researched. objective: the objectives of the study were to immobilize the lipase from bacillus sp. ps35 by cross-linking and adsorptio...

Journal: :world journal of plastic surgery 0
ali manafi 1. department of plastic surgery, tehran university of medical sciences, tehran, iran mohammad ahmadi moghadam 2. plastic surgeon, day hospital, tehran, iran maryam mansouri 3. plastic surgeon, qom, iran hamed bateni 4. plastic surgeon, mehr hospital, tehran, iran mahnaz arshad 5. department of prosthodontics, tehran university of medical sciences, tehran, iran

background vermilion irregularities are common secondary deformities after cleft lip repair, regressed or resected hemangiomas, trauma and tumor surgeries. vermilion deficiency attracts considerable attention and detracts from an otherwise excellent lip repair. minor and moderate vermilion defects can be corrected with upper lip advancement, rotation flaps, tongue flaps or grafts. major defects...

Journal: :international journal of environmental research 0
m.m. rahman university of western sydney, school of engineering, locked bag 1797, penrith south dc, nsw 1797, australia m.h. al-malack king fahd university of petroleum & minerals, box 1150, dhahran 31261, saudi arabia

a lab-scale cross flow membrane bioreactor (cf-mbr) was operated to determine the biokinetic coefficients under mlss concentrations of 5000 and 3000 mg/l. the investigation showed that the yield (y), the endogenous decay coefficient (kd), the maximum specific growth rate (μm) and the saturation constant (ks) were 0.276 mg/mg, 0.07 /day, 0.653 /day, and 396.62 mg cod/l respectively for mlss 5000...

Journal: :علوم و تکنولوژی پلیمر 0
شاداب باقری خولنجانی حمید میرزاده محمد عترتی خسروشاهی

the effects of chitosan/biopolymer (c/p) and nanohydroxyapatite/ biopolymer (nha/p) weight ratios on particle size and its uniformity, cross-linking density and nh2 content of nano-hydroxyapatite/chitosan/gelatin (nha/c/g) microspheres were investigated. microspheres were fabricated using water-in-oil emulsion. cross-linking of microspheres was performed using water soluble carbodiimide. partic...

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

mohammad bakhshian1*, hossein heidari sharifabad2 1- agriculture university of jiroft, kerman, iran 2- department of agriculture (crop physiologist), science and research university, branch of tehran,iran *corresponding author email: [email protected] received: 2 june 2015                                                                         accepted: 21 june 2015 abstract to evaluate the...

Journal: :acta medica iranica 0
payam sarraf department of neurology, iranian center of neurological research, faculty of medicine, tehran university of medical sciences, tehran, iran. mahrooz malek department of radiology, medical imaging center, advanced diagnostic and interventional radiology research center (adir), imam khomeini hospital, tehran iran. mahsa ghajarzadeh department of neurology, brain and spinal injury research center (basir), tehran university of medical sciences, tehran, iran. shahin miri department of medical, faculty of medicine, tehran university of medical sciences, tehran, iran. ehsan parhizgar department of medical, faculty of medicine, tehran university of medical sciences, tehran, iran. seyedeh zahra emami-razavi department of physical medicine & rehabilitation, brain and spinal injury research center (basir), faculty of medicine, tehran university of medical sciences, tehran, iran.

carpal tunnel syndrome (cts) is the most common entrapment neuropathy. it accounts 90% of all entrapment neuropathies all over the world. ultrasound is a non-invasive, cost effective and available para-clinical method which could be applied for cts diagnosis. cross-sectional area of the median nerve at the level of the inlet is considered as a diagnostic criterion in cts cases. in this study, t...

Journal: :آب و خاک 0
محمدمهدی نخجوانی مقدم حسین دهقانی سانیج مهدی اکبری سیدحسین صدرقاین

abstract in order to evaluate the effects of different depths of irrigation by sprinkler irrigation system on water use efficiency (wue) of new early maize cultivar ksc302, an experiments was carried out in karj during 2006 and 2007. experimental design was split plot based on randomized complete blocks with three replications. main plots were three irrigation levels: 75%, 100% and 125% etc (es...

Journal: :journal of current ophthalmology 0
حسن هاشمی hassan hashemi مهدی خبازخوب mehdi khabazkhoob نگاره یزدانی negareh yazdani هادی استادی مقدم hadi ostadimoghaddam اکبر درخشان akbar derakhshan سارا سروش sara soroush میرنقی موسوی

purpose: to determine the prevalence of refractive errors in the students of mashhad university of medical sciences, iran methods: in this cross-sectional study, we used cluster sampling for selecting participants from every department of mashhad university of medical sciences, proportional to the number of students in each department. each participant received refraction examination with an au...

Journal: :iranian journal of medical physics 0
faraz kalantari phd student, medical physics dept., faculty of medical sciences, tarbiat modares university, tehran, iran hossein rajabi associate professor, medical physics dept., faculty of medical sciences, tarbiat modares university, tehran, iran nahid yaghoobi assistant professor, nuclear medicine dept., rajaei heart center, iran university of medical sciences, tehran, iran ahmad bitarafan assistant professor, nuclear medicine dept., rajaei heart center, iran university of medical sciences, tehran, iran

introduction: it is a common protocol to use 201tl for the rest and 99mtc for the stress cardiac spect imaging. theoretically, both types of imaging may be performed simultaneously using different energy windows for each radionuclide. however, a potential limitation is the cross-contamination of scattered photons from 99mtc and collimator x-rays into the 201tl energy window. we used a middle en...

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