نتایج جستجو برای: catalytic process in recent years

تعداد نتایج: 17186526  

Journal: :Malaysian Catalysis-An International Journal 2022

Ether derivatives are versatile organic compounds and have been applied in various fields of academia the chemical industry. Therefore, it is highly desirable to create procedures for their manufacture that more efficient sustainable. Catalytic reductive etherification with carbonyl moiety such as ketones/ aldehydes carboxylic acid has recently recognized a possible tool among several technique...

Journal: :Koers - Bulletin for Christian Scholarship 2014

Journal: :Eesti ja soome-ugri keeleteaduse ajakiri. Journal of Estonian and Finno-Ugric Linguistics 2016

Journal: :Journal of Synthetic Organic Chemistry, Japan 2006

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1388

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و زبانهای خارجی 1391

esl/efl books play a crucial role in shaping language learners worldview of gender roles in society. the present study investigated the status of sexism in two sets of efl textbooks, one developed by non-native iranian authors (ili series) and the other by native authors (top notch series). first, two books from each series was selected randomly. then, a quantitative analysis was carried out wi...

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