نتایج جستجو برای: draize test
تعداد نتایج: 812144 فیلتر نتایج به سال:
This report reviews the safety of Aluminum, Calcium, Lithium Magnesium, Lithium Magnesium Sodium, Magnesium Aluminum, Magnesium, Sodium Magnesium, and Zirconium Silicates, Magnesium Trisilicate, Attapulgite, Bentonite, Fuller’s Earth, Hectorite, Kaolin, Montmorillonite, Pyrophyllite, and Zeolite as used in cosmetic formulations. The common aspect of all these claylike ingredients is that they c...
I. The Intravenous, Subcutaneous and Cutaneous Toxicity of bis(8-Chloroethyl) Sulfide (Mustard Gas) and of Various Derivatives. William P. Anslow, Jr., David A. Karnofsky, B. Val Jager and Homer W. Smith 1 II. The Effects of Intravenous Injection of Tetra-Ethyl-Ammonium Chloride On the Intra-Arterial Blood Pressure and Other Physiologic Variables in Man. George E. Brown, Jr., Earl H. Wood and E...
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
in this research,the authors conducted a study comparing two groups of male and female english language learners studying in a elt institute,in terms of their performance on their achievement test including listening comprehension,vocabulary,grammar,and reading comprehension and found no significant difference between the group except in listening comprehension part of the test in which the f...
تحقیق حاضر گونه های مختلف c-test را بعنوان آزمونهایی برای سنجش توانایی عمومی زبانی مورد بررسی قرار داد. c-test در سال 1981 توسط کلین - بریلی و راتز به قلمرو آزمونسازی زیان وارد شد. در واقع c-test شکل تغییر یافته آزمون بسته (cloze) بود که با حذف نصف دوم کلمات یک متن بصورت یک در میان ساخته می شد و عمل حذف از کلمه دوم در جمله دوم شروع می شد. مطالعات مختلف نشان داده اند که آزمون c-test دارای پایایی...
the aim of this study has been to find answers for the following questions: 1. what is the effect of immediate correction on students pronunciation errors? 2. what would be the effect of teaching the more rgular patterns of english pronunciation? 3. is there any significant difference between the two methods of dealing with pronuciation errore, i. e., correction and the teaching of the regular ...
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