نتایج جستجو برای: protective structure

تعداد نتایج: 1668461  

Journal: :Molecules 2013
Penglong Wang Honggui Zhang Fuhao Chu Xin Xu Jinxuan Lin Chunxiao Chen Guoliang Li Yatao Cheng Lin Wang Qiang Li Yuzhong Zhang Haimin Lei

A series of novel ligustrazine-benzoic acid derivatives were synthesized and evaluated for their protective effect against cobalt chloride-induced neurotoxicity in differentiated PC12 cells. Combining hematoxylin and eosin staining, we found compound that (3,5,6-trimethylpyrazin-2-yl)methyl 3-methoxy-4-[(3,5,6-trimethylpyrazin-2-yl)methoxy]benzoate (4a) displayed promising protective effect on ...

پایان نامه :0 1374

in fact this study is concerned with the relationship between the variation in thematice structure and the comprehension of spoken language. so the study focused on the following questions: 1. is there any relationship between thematic structure and the comprehension of spoken language? 2. which of the themes would have greated thematic force and be easier for the subjects to comprehend? accord...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 2015

Journal: :Industrial health 2009
Jack K Leiss Sara Sousa Winifred L Boal

More than 20% of U.S. paramedics are exposed to blood each year. Little is known about the circumstances that lead to these exposures. The objective of this study was to describe blood exposure events among U.S. paramedics. A mail survey was conducted in 2002-2003 among a nationally representative sample of licensed paramedics. Eighty percent of needle/lancet sticks involved non-safety devices....

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