نتایج جستجو برای: time in 20 30

تعداد نتایج: 17313383  

Journal: :Structure 1999
J A Martino V Katritch W K Olson

BACKGROUND The closed circular, multinucleosome-bound DNA comprising a minichromosome provides one of the best known examples of chromatin organization beyond the wrapping of the double helix around the core of histone proteins. This higher level of chain folding is governed by the topology of the constituent nucleosomes and the spatial disposition of the intervening protein-free DNA linkers. ...

Journal: :International journal of sports physiology and performance 2008
Warren Young Andrew Russell Peter Burge Alex Clarke Stuart Cormack Glenn Stewart

PURPOSE The purpose of this study was to determine the relationships between split times within sprint tests over 30 m and 40 m in elite Australian Rules footballers. METHODS Data were analyzed from two Australian Football League (AFL) clubs. The first club (n = 35) conducted a 40-m sprint test and recorded split times at 10 m and 20 m. The second club (n = 30) conducted a 30-m sprint test an...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
zahra jaberi ansari dept. of restorative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran amir ghasemi dept. of restorative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran mohammad taghi vatandoust dentist, lecturer, school of dentistry, shahed university, tehran, iran mojdeh kalantar motamedi dentist, lecturer, school of dentistry, shahed university, tehran, iran

objectives: the aim of this study was to compare polymerization depth of two bulk-fill and one conventional composite cured for different times. methods: this in vitro experimental study was conducted on 54 composite samples (2×4×10mm) fabricated of tetric n-ceram bulk-fill, x-tra fil bulk-fill, and grandio conventional composite cured for 20, 30, and 40 seconds. the microhardness of samples wa...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

toury (1978:200) believes that translation is a kind of activity which inevitably involves at least two languages and two cultural traditions. being polite while asking for something takes place differently in different cultures and languages, therefore various strategies may be applied for making requests and also translation of them in order not to disturb or threaten the face or better to sa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

short story as an important literary genre in the recent decade is focused by many of young writers and literary critical with searching structure, content , artistic techniques and cognitive phenomenon of these works , we can show quantity of using some parts of storied literature from new literal techniques of the word and also we can show the usage of native, cultural and social foundation...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

ژورنال: Archives of Hygiene Sciences 2017
Ahmadi, Shahin , Kord Mostafapour, Ferdos,

Background & Aims of the Study: There are three different types of fibers used in the manufacture of various textile products: cellulose fibers, protein fibers and synthetic fibers. Textile wastewater discharge into the environment leads to irreparable damages. The main purpose of this study was treatment of textile wastewater, using a combined coagulation and dissolved air flotation (DAF) ...

ژورنال: سلامت و محیط زیست 2015
حیدری, آرزو, علی محمدی, محمود, غلامی, میترا, محوی, امیرحسین, نبی زاده, رامین,

Background and Objectives: Reduction of released extracellular polymeric substances (EPS) during sludge dewatering is one of the main challenges in sludge treatment process. The aim of this study was to investigate the EPS quantity changes within sludge dewatering by continues ultrasonic – electrocoagulation (US – EC) reactor under different conditions and to determine the most efficient case f...

Journal: :دانش گیاه پزشکی ایران 0
میترا معزی پور مریم کفیل حسین اللهیاری

ectomyelois ceratoniae zeller (lepidoptera.: pyralidae), is the key pest of pomegranate in iran. trichogramma wasps could be used as effective agents of biological control that can also be used effectively in ipm programs. the effect of host density on parasitism of trichogramma brassicae was studied by exposing densities of 4, 8, 10, 20, 40, 60, 80 and 120 eggs of factitious host (sitotroga ce...

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