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The optical purity of cis-R ( + )-and cis-S (-)-DCCA was 93.7 % and 81.8 % , respectively.
顺式 -R ( + ) - 和顺式 -S ( - ) - 二氯菊酸光学纯度分别为93.7%、81.8%.
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The racemic purity of cis-and trans-DCCA was 91.4 % and 93.0 %, respectively.
顺、反式二氯菊酸几何异构体含量分别为91.4%、93.0%.
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The studies indicate that CCA and DCCA are applicable in florology and phytogeography.
本文研究表明将DCCA和CCA应用 到植物区系地理学研究上是可行的.
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After modification, DCCA and PCCA are considered to be ideal ordination methods at present.
CCA改进 后的DCCA和PCCA,是现今较理想的排序方法.
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