极环 meaning in Chinese
polar ring
Examples
- Theoretical study on the 1 , 3 - dipolar cycloaddition reaction of c , n - dimethyl nitrone and acrylonitrile
偶极环加成反应的理论研究 - Polar - ring galaxy
极环星系 - A wide variety of natural products , e . g . alkaloids , - lactames , biotin , amino sugars has been synthesized by 1 , 3 - dipolar cycloaddition reaction between nitrones and alkenes
通过硝酮与烯烃化合物的1 ， 3 -偶极环加成反应合成了许多天然?物，如生物硷、 -内酰胺、生物素、氨基糖等。 - A wide variety of natural products , e . g . alkaloids , - lactames , biotin , amino sugars has been synthesized by 1 , 3 - dipolar cycloaddition reaction between nitrones and alkenes
摘要通过硝酮与烯烃化合物的1 ， 3 -偶极环加成反应合成了许多天然?物，如生物硷、 -内酰胺、生物素、氨基糖等。 - Abstract : a wide variety of natural products , e . g . alkaloids , - lactames , biotin , amino sugars has been synthesized by 1 , 3 - dipolar cycloaddition reaction between nitrones and alkenes
文摘:通过硝酮与烯烃化合物的1 ， 3 -偶极环加成反应合成了许多天然产物，如生物碱、 -内酰胺、生物素、氨基糖等。