racemization
英
美
n. 消旋作用（法）；外消旋化；（外）消旋（作用）；（外）消旋（现象）
双语例句
- Racemization is found with optically active substrates.
发现旋光基质有外消旋作用。 - Sodium oiethyl dithiocarbamate Amino-acid Racemization Dating
二乙基硫代氨基甲酸钠 - The first study of the age of Yuanmou Man by the method of amino acid racemization geochronology
用氨基酸测年法对元谋人年代的初步研究 - Determination of Degree of Racemization of Aspartic Acid in Dentine Comparison of Chiral Capillary Gas Chromatography with High Performance Liquid Chromatography
牙本质中天冬氨酸消旋化程度的测定&手性毛细管气相色谱法与高效液相色谱法的比较 - The result showed that racemization was not observed when the pH value was 7 and the reaction temperature was lower than 37 ° C.
发现在严格控制pH为7.0，反应温度不高于37°C的条件下，并不出现消旋作用。 - Studies on Racemization in Thioester Condensation
硫酯缩合反应中的消旋问题研究 - Acetylized Racemization Process and Kinetics of D-penicillamine
D-青霉胺酰化消旋工艺及动力学研究 - Spontaneous Racemization of α-Bromo-( o-chloro) phenylacetic Acid During the Resolving Process
α-溴代邻氯苯乙酸拆分过程中的自消旋现象研究 - The water in carboxylic acid decreased the rate of racemization.
在羧酸溶剂中有水存在会降低消旋反应速率。 - The theoretical basis of the racemization of amino acids in oceanic sediments
海洋沉积物中氨基酸外消旋反应的理论基础 - The mechanism of the racemization was discussed.
同时也论述了氨基酸消旋的反应机理。 - OBJECTIVE: To study the process of acetylized racemization of D-penicillamine in the acidic condition.
目的研究D-青霉胺在酸性条件下进行酰化外消旋的工艺。 - Studies on Racemization and Resolution of p-Hydroxyphenylglycine
对羟基苯甘氨酸的消旋及拆分研究 - Amino acid racemization dating of Holocene shell deposits from coastal area of Fujian
福建沿海全新世贝壳沉积物的氨基酸外消旋年代测定 - Analysis of Racemization Products of Synthetic Heptapeptide by Reversed Phase High Performance Liquid Chromatography/ Mass Spectrometry
反相高效液相色谱与质谱联用分析合成七肽的消旋产物 - In the reaction mechanism of unimolecular nucleophilic substitution ( SN1), it can produce carbocations which can easily lead to the racemization of the products.
由于单分子亲核取代反应（SN1）经过了碳正离子中间体的历程，所以得到的产物是外消旋的。 - Moreover, the racemization of LLA blocks can be enhanced with long reaction time, high temperature, and the addition of comonomers.
而且L-LA的消旋作用随着反应时间的延长、反应温度和共聚单体GA的增加而增强。 - To our surprise, racemization happened during the cyclization in method one.
令人意外的是，方法一环合过程中发生消旋现象。 - The ee values of the final products were very close to those of α-hydroxy ketones, which indicated that no racemization occurred in the substitution.
最终产物的ee值与中间体α-羟基酮十分接近，表明在所发生的亲核取代反应中基本没有消旋化得现象发生。 - This incredible discovery led to our in-depth study on their mechanism of racemization.
这一不可思议的发现促使我们对其消旋化机理进行了深入地研究。 - The transesterification and the racemization can also result in lower crystallinity, which are further verified by DSC and WAXD measurements.
酉旨交换和外消旋作用都将降低聚合物结晶度，DSC和XRD结果的进一步验证了个结论。