... amenity rights舒适环境的权利；舒适权 amine ring氨基环 ammonia （NH3）氨 ...
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Ring amine 环已胺
double ring has amine 双环已胺
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The hydrogenation process comprises contacting an aromatic amine with hydrogen in the presence of a ruthenium catalyst under temperature and pressure conditions suitable to effect ring hydrogenation.
所述氢化方法包括使芳胺与氢气在适合于进行环氢化的温度和压力条件下接触。
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