نتایج جستجو برای: protecting group

تعداد نتایج: 1006342  

Journal: :BMC Sports Science, Medicine and Rehabilitation 2015

Journal: :Conservation Letters 2023

Finance is a precondition for many of the activities that harm ecosystems, but how to address this underlying driver biodiversity loss remains topic debate. This paper reviews Task Force on Nature-Related Financial Disclosures (TNFD), corporate-led effort aims identify changes may create financial risks companies and investors. approach also promoted as strategy managing impact business biodive...

Journal: :Organic letters 2009
Da-Gang Yu Miao Yu Bing-Tao Guan Bi-Jie Li Yang Zheng Zhen-Hua Wu Zhang-Jie Shi

The Suzuki-Miyaura coupling of aryl nitriles with aryl/alkenyl boronic esters is reported. With this method, the cyano group could be applied as a protecting group of arenes and finally as a leaving group to further construct polyaryl scaffolds.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده علوم انسانی 1393

the present study was conducted to investigate the role of summary in teaching grammar process on pre-university students. to this end, 48 male pre-university students in semnan were participants. they were math class that we called experimental group and science class as control group. in order to make sure there was no significant difference in proficiency level of two groups. a pre-test wa...

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