this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...

The aim of this study was to determine the acute and chronic toxicity of Deltamethrin insecticides and its effect on the activity of brain acetylcholinesterase and serum catalase enzymes and gill and liver tissues of Carassius auratus in the presence of vitamin C. In the acute toxicity test, LC50 of Deltamethrin was calculated by Probit test analysis and the effect of its chronic concentration ...

Background and Objective: Diabetes mellitus accompanies increased malondialdehyde as a marker of oxidative stress and increased serum level of aspartate and alanine aminotranferase due to tissue damage. Due to antidiabetic effect of hesperetin, this study was done to evaluate its effect on level of these factors in diabetes. Materials and Methods: Male rats (n = 32) were divided into control, t...

  Background and Objectives: Diabetes mellitus (DM) is defined as a disorder in which the prominent role of oxidative stress is well documented. Treatment of (DM) with herbal medicine products is one of the main focuses of investigators and to date several reports are published regarding properties of herbal plants. Regardingly, several types of plants are proposed for treatment of (DM). Thus, ...

a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...