英语释义

1. the action or process of changing from an optically active compound into a racemic compound or mixture

2. the action or process of changing from an optically active compound into a racemic compound or mixture

片语

racemization rate消旋率

catalytic racemization催化消旋

racemization heats外消旋热

racemization kinetics消旋动力学

chemical racemization化学消旋

Racemization ratio消旋比

partial racemization部分＜外＞消旋

racemization of amino acid氨基酸外消旋作用

aminoacid racemization dating氨基酸外消旋法断代

英汉例句

• By the way, if you「re curious about why racemization is so much less accurate a clock than C-14 for dating a tooth」s age, part of the explanation has to do with temperature.

  顺便说一下，如果你好奇为什么在判断牙齿年龄方面、外消旋化会比碳14定义的时钟精度差之甚多，那么部分原因与温度相关。

• The mechanism of the racemization was discussed.

  同时也论述了氨基酸消旋的反应机理。

• By analyzing how much racemization of its aspartic acid occurred, scientists can determine how old the tooth「s owner was at death - generally accurate to about 5.5 years, plus or minus 4.2 years.

  通过分析其天冬氨酸发生了多少外消旋化，科学家可以确定牙齿主人在多大岁数死亡——通常精确到5年半左右，正负差4.2年。

• However, when the researchers applied both techniques to teeth, they realized that the racemization offered an additional useful detail, a good gauge of an individual」s age at death.

  然而，当研究人员将两项技术一并运用于牙齿上，他们意识到外消旋化提供了一个额外的有用细节，能成为个体死亡年龄的良好衡量标準。

• The dependence of chain scission and racemization on temperature results from molecular motion, 「cage effect」 and steric hindrance during recombination.

  分子量降低和消旋作用对温度的依赖性，是由于分子运动和笼罩效应以及重合的空间位阻效应所致。

• Furthermore, racemization of (R)-2-aminobutanol using Raney Ni as catalyst afforded (R, S)-2-aminobutanol in a yield of 72.7%.

  此外，选用骨架镍催化剂，对（R） 2 氨基丁醇进行了消旋化反应，收率72 7%；

• The invention discloses a method for the racemization of sertraline isomer.

  本发明公开了一种外消旋化舍曲林异构体的方法。

• Dynamic resolution technology combines the resolution with racemization in situ.

  动态拆分技术是将拆分反应与现场消旋化反应相结合的技术。