نتایج جستجو برای: control or experimental
تعداد نتایج: 4857329 فیلتر نتایج به سال:
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...
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 ...
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:...
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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