نتایج جستجو برای: researches show that about 70
تعداد نتایج: 6902456 فیلتر نتایج به سال:
two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...
abstract this study evaluates the iranian pre-university english textbook in terms of needs, objectives, content, and methodology. the study was designed on the qualitative- quantitative survey basis using interviews and questionnaires, a researcher-made textbook evaluation checklist and a needs analysis questionnaire. the textbook evaluation questionnaire was used in this study to elicit the ...
The Bertrand paradox question is: “Consider a unit-radius circle for which the length of a side of an inscribed equilateral triangle equals 3 . Determine the probability that the length of a ‘random’ chord of a unit-radius circle has length greater than 3 .” Bertrand derived three different ‘correct’ answers, the correctness depending on interpretation of the word, random. Here we employ geomet...
there are a lot of researches in the world about attacks on information systems (is). although there have been many attempts to classify threats of is’s especially in health information systems (his), it is still necessary for all health organization to identify new threats and their sources which threaten security of health care domain. the main aim of this paper is to present a research agend...
The Information Content of Accounting Variables in Companies Accepted in Tehran Stock Exchange (TSE)
Various researches have been carried out about benefits of accounting information and their influence on decision making of financial statements users. For example, many researches have examined the relationship between accounting variables and stock returns or stock price. This study determines and compares the relative and incremental content of accounting variables, too. For this purpose, th...
the information content of accounting variables in companies accepted in tehran stock exchange (tse)
various researches have been carried out about benefits of accounting information and their influence on decision making of financial statements users. for example, many researches have examined the relationship between accounting variables and stock returns or stock price. this study determines and compares the relative and incremental content of accounting variables, too. for this purpose, th...
As a nonspecific physical stimulation, the effect of acupuncture on diseases is produced by motivating the inherent regulatory system in the body, having the characteristics of whole regulation, dual directional regulation, etc. Modern scientific researches show that body's inherent regulatory system is neuro-endocrine-immune (NEI) network. Hence, we speculate that the regulatory effect of acup...
Mothers exposed to Antiepileptic drugs (AEDs) are at high risk to born babies with orofacial malformations such as cleft lips. About 9 percent of congenital abnormalities in babies of mothers with epilepsy relates to orofacial abnormalities. Maintaining safe antiepileptic drugs for millions of mothers with epilepsy is very important. Researches show that new AEDs have less side effects than the...
In this study, we have prepared nanopowders of Yttrium Iron Garnet (YIG). Phase formation and crystalline structure were investigated by X-ray diffraction (XRD) and IR spectroscopy. Room temperature saturation magnetizations (Ms) of the samples were evaluated using a vibrating samples magnetometer (VSM). The results show that the size of nanoparticles renge from 70 to 250 nm. The results of str...
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