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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Objective(s):Pantoprazole, is a proton pump inhibitor (PPI) prescribed for the treatment of upper gastrointestinal disorders, which in high doses has been suggested to decrease calcium absorption leading to hypocalcaemia and therefore osteoporosis. The aim of this study was to assess whether pantoprazol, could alter the rate of orthodontic tooth movement (OTM) in rats. Materials and Methods: A ...
abstract lexical knowledge of complex english words is an important part of language skills and crucial for fluent language use (nation, 2001). the present study, thus, was an attempt to assess the role of morphological decomposition awareness as a vocabulary learning strategy on learners’ productive and receptive recall and recognition of complex english words. so 90 sophomores (female and ma...
Background: The aim of this study was to investigate the pretreatment effects of time courses of training and different doses of medication in multiple organs (liver and heart) of rats treated with doxorubicin (DOX). Methods: in this experimental study, Seventy-two Wistar male rats were randomly assigned to control and training groups with three subgroups: DOX 10mg/kg, DOX 20mg/kg and saline...
تاثیر آموزش تفکر انتقادی به شیوه مباحثه بر روی مهارت درک متن یادگیرندگان انگلیسی به عنوان زبان خارجی
the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...
Our aim was to evaluate the short and long term efficacy of botulinum toxin therapy in Iranian patients with achalasia. In a randomized, double blind trial, 20 patients with achalasia, referring to Imam Khomeini Hospital, received either 80 units of botulinum toxin (BT) or placebo (PL) from 1995 to 1998. Two weeks later, the response to treatment was assessed on the basis of changes in the...
A 56-year-old man died suddenly at Yale-New Haven Hospital six weeks after experiencing a myocardial infarct and subsequent left ventricle aneurysm formation. Clinical course, treatment, radiologic data, and pathologic findings are examined. Differential diagnosis for this patient's sudden demise include cardiac rupture with cardiac tamponade, extension of the myocardial infarct, and massive pu...
the major purpose of this study was to develop the translation teacher competency test (ttct) and examine its construct and predictive validity. the present study was conducted in two phases: a qualitative phase as well as a quantitative phase. in the first phase of the study, the author attempted to find out the major areas of competency required for an academic translation teacher. the second...
fenfluramine, an anorexigenic agent, is widely used in the treatment of obesity. besides its anorectic effect, it may also have some effects on general metabolism with the consequence of weight loss. in this study, the effect of fenfluramine on the concentrations of some parameters related to carbohydrate metabolism was investigated. it was shown that the serum insulin level was reduced by 41 %...
abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...
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