نتایج جستجو برای: according to various pollution sources
تعداد نتایج: 10744379 فیلتر نتایج به سال:
this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...
these days, all department stores make an effort to provide their clients with valuable products in order to project the best image for them. as a result, clients’ comprehension risk will decrease and they will be more willing to repurchase. having a good image is really important for the department stores because it makes an impression on clients’ comprehension of both quality and risk. consid...
This research aimed to investigate animation-based achievement tests according the item format, psychometric features, students’ performance, and gender. The study sample consisted of 52 fifth-grade students in Samsun/Turkey 2017-2018. Measures were open-ended (OE), (AOE), multiple-choice (MC), (AMC) developed for unit “Motions Earth” subject area “Earth Universe” science course. Tests compared...
The purpose of the study was to determine perceptions teachers regarding their empowerment and whether these differ significantly depending on gender, age, branch, professional seniority, length service at school, education status, union membership, size number students present school. In this study, teacher considered ensure teachers' development, increase trust in organizations, cooperation a...
the objective of the study was to investigate pollution sources in the Vilnia river and evaluate the toxicity of sewage, contamination of the Vilnia river water and bottom sediments, using a complex of biological methods. toxicity was assessed by use of various indices of test-organisms: seed germination and root growth in Lepidium sativum l., and mortality and physiological indices in early on...
PURPOSE To conduct an assessment of rural environmental pollution sources and associated population mortality rates. METHODS The design is a secondary analysis of county-level data from the Environmental Protection Agency (EPA), Department of Agriculture, National Land Cover Dataset, Energy Information Administration, Centers for Disease Control and Prevention, the US Census, and others. We d...
the application of e-learning systems - as one of the solutions to the issue of anywhere and anytime learning – is increasingly spreading in the area of education. content management - one of the most important parts of any e-learning system- is in the concern of tutors and teachers through which they can obtain means and paths to achieve the goals of the course and learning objectives. e-learn...
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