سرو کوهی (l. juniperus excels) گیاهی با رشد بسیار بطئی و متعلق به خانواده سرو (cuperssaceae)، دارای خصوصیات دارویی و سرشار از روغن­های معطر ضروری است که در صنعت داروسازی  و عطر سازی بسیار با ارزش تلقی می­شود. به همین  منظور با استفاده از کشت بافت آزمایشی با ریزنمونه جوانه جانبی در شرایط درون­شیشه­ای صورت گرفت. آزمایش حاضر به صورت فاکتوریل در قالب طرح کاملاً تصادفی در 3 تکرار در سال 1393 در دانشگ...

one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...

Tuberose is one of the tropical and subtropical bulbous cut flowers cultivated extensively in most floricultural regions of Iran. Although it has a high potential for a long vase life after harvest, tuberose declines rapidly at home. In order to overcome this problem, two experiments were conducted on a local cultivar, “Goldorosht-e-Mahalat”, using a completely randomized design. To find a suit...

abstract recent studies suggest that prelistening activities play an important role in the development of listening comprehension (e.g. long 1990;chiang and dunkel 1992; schmidt-rinehart 1994; jensen and hansen 1995; robinson et al., 1995; buck, 1995; foster and skehan,1996; teng 1996; robinson, 2001; chang and read 2006). in line with previous studies and to shed light on a new aspect of sche...

the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...