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理学
顺序规则
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sequence rule; CIP system; CIP priority
顺序规则
20世纪50年代起由R.S.卡恩[注]、C.K.英戈尔德和V.普雷洛格等提出了一种应用原子序数和质量以及键的性质等一系列规则,用于判别在手性中心上各取代基优先次序,然后根据各取代基按此优先次序排列时的空间取向,给予该中心R或S的构型符号标志。
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Poncelet
poncelet
Poncelet closure theorem
Poncelet coaxal theorem
Poncelet continuity principle
Poncelet crater
Poncelet porism
Poncelet-Steiner construction
Poncelet-Steiner theorem
Poncelet theorem
Poncelet transform
Poncelet transverse
pond
pond aquaculture
pond aquaculture composite constructed wetland
pond aquaculture environment
pond aquaculture facilities
pond aquaculture machinery
pond bio-floating bed
pond community
pond culture of crustaceans
pond culture of fish
pond culture of sea cucumber
pond ecological aquaculture
pond ecosystem
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