نتایج جستجو برای: control or experimental

تعداد نتایج: 4857329  

Simulation of a process and analysis of its resulting data in both dynamic and steady-state conditions are fundamental steps in understanding the process in order to design and efficient control of system as well as implementing operational cost reduction scheme. In the present paper, steady and unsteady state simulation of Amir Kabir1, 3 butadiene purification units has been done by using Aspe...

Journal: :Archives of Internal Medicine 1916

Journal: :Physical Review Letters 2018

Journal: :Journal of the American Medical Association 1919

Journal: :Brazilian Journal of Medical and Biological Research 2002

Journal: :Journal of the Experimental Analysis of Behavior 1965

Journal: پژوهنده 2018
Hossein Shareh, Zahra Robati,

Introduction: The present study was aimed at investigating the effectiveness of cognitive-behavioral group therapy in quality of life and hope among patients with multiple sclerosis (MS). Materials and Methods: In this clinical trial, using a quasi-experimental pretest-posttest control group design, 20 MS patients were selected through available sampling among the patients in Mashhad Multiple ...

Journal: :iranian endodontic journal 0
amin salem milani assistant professor of endodontic department of tabriz dental school mohammad froughreyhani assistant professor, department of endodontics, faculty of dentistry, tabriz university of medical sciences, tabriz, iran. saeed rahimi professor of endodontics, department of endodontics, faculty of dentistry, tabriz university of medical sciences, tabriz, iran. mohammad asghari jafarabadi assistant professor of biostatistics, national public health management center (npmc) and department of statistics and epidemiology, tabriz university of medical sciences, tabriz, iran. sara paksefat postgraduate student, department of endodontics, faculty of dentistry, tabriz university of medical sciences, tabriz, iran.

introduction: root fracture is not an instant phenomenon but a result of gradual development of tiny craze lines in tooth structure. recent studies have shown that canal instrumentation has the potential to cause dentinal cracks. the purpose of this study was to evaluate and compare the formation of dentinal cracks caused by protaper rotary system to hand instrumentation. materials and methods:...

Journal: :The Open Cybernetics & Systemics Journal 2015

Heydari, Yazdan, Kargar Jahromi, Hossein, Keshavars, Mojbaba, Meshkibaf, Mohammad Hasan, Takhshid, Mohammad Ali, Tavasoli, Alireza,

Background & Objective: Sulfasalazine (SASP) is a drug used for the treatment of inflammatory bowel diseases. SASP causes testicular damage. The aim of this study was to verify whether or not an additional supply of vitamin E or C or together prevent the toxic effect of SASP on the rat spermatogenesis. Materials & methods: Adult male wistar rats (150-200 gr) were divided into five groups (n=8)...

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