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分异构

分异构

分异构

分异构

1

High speed countercurrent chromatography(HSCCC) was successfully used for the separation and preparation of isomeric compounds.

应用高速逆流色谱法对同分异构体。分离纯化进行研究。

2

Indicate by an arrow the position most likely to react in each of the following three isomeric nitrotoluenes . Explain your choices.

用箭头标出与硝基甲苯的三种同分异构体发生反应最有可能发生的位置并解释。

4

Residues of hexachlorocyclohexane isomers in human milk of two population from beijing and shenyang, china were studied .

中国正在北京和沈阳两个城市进行关于六氯化苯同分异构体在人类乳汁中含量的研究。

5

Isomerism is very important because enzyme specificity restricts viable organisms to the use of only one of the TWO forms.

异构现象是非常重要的，因为酶的特异性限制生物体都只能使用两种同分异构体中的一种。

8

Galactose A sugar found in lactose and many polysaccharides . It is an aldohexose , isomeric with glucose . See also sugar.

是存在于乳糖和多糖中的一种六醛糖，为葡萄糖的同分异构体。参见。

9

Any of three colorless , flammable isomeric hydrocarbons, C5H12, derived from petroleum and used as solvents .

戊烷有三种同分异构体的无色可燃烷烃，c5h12 ，从石油中提炼，可用做溶剂。

10

11

This text take the teaching of isomer as the example , analyze the process of "Three -Points " teaching in the classroom .

本文以《同分异构体》的课堂教学为例，剖析 “三点式 ”的课堂过程教学。

12

A new method for quickly and highly sensitively analyzing the two alkaloid isomers was proposed .

建立了马钱子中生物碱同分异构体区分的简便、快速、灵敏的新方法。

14

Most cis -trans isomers are organic compounds.

大多数的顺 -反式同分异构体都是有机化合物。

15

RESULTS: The contents of 6 ingredients-chlorogenic acid, isochlorogenic acid and their isomers varied at different time .

结果不同时期绿原酸、异绿原酸及其同分异构体 6 种成分含量有一定变化。

16

The other isomer of butane is normal butane .

丁烷的另一同分异构体为正丁烷。

17

In this study, the old method of deltermining the structure of isomeric compound has been changed by using modern analysis instrument .

该法综合利用大型分析仪器分析同分异构体，较之利用标准品的传统方法更加省时、省力。

18

Isomers are compounds that have the same numbers and kinds of atoms but differ in the way the atoms are arranged .

同分异构体是具有相同的原子种类和个数而具有不同原子排列的化合物。

19

An isomer of butane .

丁烷的同分异构体。

20

The results show that the compound maybe 6 -acetoxy -4 , 6-dimethyl-2, 4-cyclohexadienone or the isomers of cyclic ketene .

结果表明，该化合物可能为 6 -乙酰 -4,6-二甲基 -2,4-环己二烯酮或环二烯酮的同分异构体。

21

for example . cis-and trans-(boat and chair ) isomers of 1 , 2-dimethyl cyclopropane .

例如 1 ,2二甲基环丙烷的顺式和反式结构（小船和椅子样）的同分异构体。

22

Simultaneous Determination of Ammonium Thiocyanate and Its Isomeride by Dual Wavelength Multiplication Subtractive Spectrophotometry

双波长倍增示差法测定硫氰酸铵同分异构体

23

Relativity between biodegradability and nonyl branches structure for nonylphenol isomers;

壬基酚同分异构体生物降解性与其结构相关性更详细。

25

Study on reaction temperature behavior for the synthesis of pseudoionone isomers by methyl acetoacetate method

乙酰乙酸酯法合成假性紫罗兰酮同分异构体温度反应行为研究

26

At the same isomer, the branch can enable lower melting point , but branched and if the molecular symmetry to increase the melting point ;

在同分异构体中，支化可以使熔点降低，但支化的同时如果分子对称性增加则熔点升高；

27

Comparison of anoxic degradation between isomeric compounds quinoline and isoquinoline

同分异构体喹啉和异喹啉的缺氧降解性能比较

30

Improving the Accuracy of Isomer's PLS Prediction Model in Near Infrared Spectrum Analysis by Subtractive Spectra Technology

近红外差谱法选择信息区提高同分异构体预测模型准确度

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