China Orb, online Chinese to English dictionary with nearly 1 million entries and plenty of excellent examples. The pin yin and pronunciation sound of Chinese wrods are provided. China Orb includes a lot of Chinese professional terms in many industries such as Medicine, Chemistry, Mechanism, Electricity, Computer, Economy, Law, Architecture. If you can not find satisfying translation elsewhere,try China Orb Chinese to English dictionary.

China Orb, online English to Chinese dictionary with more than 1 million entries and plenty of excellent examples. China Orb includes a lot of English professional terms in many industries such as Medicine, Chemistry, Mechanism, Electricity, Computer, Economy, Law, Architecture. If you can not find satisfying translation elsewhere,try China Orb English to Chinese dictionary.

Chinese-English Dictionary with Sound
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保留指数
Simplified 保留指数
Traditional 保留指數
Pin Yin
bao3 liu2 zhi3 shu4
English
  • [Medicine] retention index
Examples:
1. 摘要:提出在部分组分已知的气相色谱灰色体系中,利用已知组分的保留指数和保留时间推算死时间和正构烷烃的保留时间,再计算未知组分保留时间的方法。
Abstract: In order to obtain the retention indices of unknown components in gas chromatography, a method using retention indices and retention times of known components to calculate the dead time and retention times of the corresponding normal alkanes was developed.
2. 官能团保留指数
Functional retention index
3. 基团保留指数
Group retention index
4. 提出在部分组分已知的气相色谱灰色体系中,利用已知组分的保留指数和保留时间推算死时间和正构烷烃的保留时间,再计算未知组分保留时间的方法。
In order to obtain the retention indices of unknown components ingas chromatography, a method using retention indices and retention times of known components to calculate the dead time and retention times of the corresponding normal alkanes was developed.
5. 柯瓦特保留指数
Kovat's retention indexes
6. 科法兹保留指数
Kovats retention index
7. 结果显示,在已知组分不是太少的情况下,该方法计算的死时间和正构烷烃的保留时间与实验值吻合,预测的保留指数也有较高的精度。
The results showed that the estimation of the dead time and the retention times of the normal alkanes and the further prediction of the retention indices of unknown components were quite satisfactory when the number of the known components included in calculation was not too small.