double bond

Though with the smile of his dear face he draws mother 's yearning5 heart to him , yet his little cries over tiny troubles weave the double bond of pity and love .

虽然他用了可爱的脸儿上的微笑，引逗得他妈妈的热切的心向着他，然而他的因为细故而发的小小的哭声，却编成了怜与爱的双重约束的带子。

A fuzzy method for prediction of double bond position and activity

FUZZY法用于化合物的双键位置及活性预测

Analysis of Error in Measurement During Destructive Double Bond Pull Test

双键合点破坏性引线键合拉力试验的测量误差分析

" One - pot " carbon - carbon double bond formation .

一锅法的碳-碳双键形成反应。

Comprehension of Double Bond Energy Between C and O in Carbonyl Group

对羰基中碳氧双键键能的理解

The double bond residue was obtained by the use of FTIR .

用FTIR证实了剩余双键。

Preparation and Properties of β Double Bond Containing Surfactant Reaction Grafted Polyethylene

含β双键表面活性剂反应接枝聚乙烯的制备及性能

Determination of the Total Number of Double Bond in PVC by Catalytic Bromine Addition

催化溴加成法测定聚氯乙烯中总不饱和双键的含量

Study on hydrogenation of partial double bond of styrene series thermoplastic elastomer

苯乙烯类热塑性弹性体部分双键氢化研究

One atom of oxygen is linked to the nitrogen atom by a double bond .

一个氧原子以双键与氮原子相连。

The Influence of Unsaturated Double Bond on the Curing of UPR

不饱和双键对不饱和聚酯树脂固化行为的影响

A simple method for determining double bond index of pure unsaturated hydrocarbons and petroleum fractions

不饱和烃及石油分馏油份双键率之简易测定法

Study on the Isomerization Reaction Mechanism of Double Bond Transfer of the Silico-butylene

丁硅烯双键转移异构化反应机理的研究

C 1 double bond phosphonate is used in Wittig-Horner reaction directly .

将含有C1末端双键的膦酸二烷基酯直接用于WittigHorner反应。

The fibres treated with the silane with . double bond has middle surface free energy .

用带双键硅烷处理的玻纤有中等的表面自由能。

The density of unsaturated double bond ;

硫硫键的分光光度法测定（2）不饱和双键的密度；

A Basic program Used for Calculating Molecular Formula and Double Bond Equivalents by Molecular Compostions

用BASIC程序从分子组成计算分子式与不饱和度

Compared with diolefine rubber , EPDM has less double bond .

与二烯烃橡胶相比，EPDM的双键很少。

It was the first time to observe epoxidation of terminal double bond under photooxidation .

首次观察到末端双键在光氧化时的环氧化。

The Alkene Double Bond : A Focus of Reactivity .

烯烃的双键：重点是反应活性。

In the ethyne molecule , a double bond links together the two carbon atoms .

在乙烯分子中是由一个双键将两个碳原子连结在一起的。

So it 's very important that the double bond locks it in a particular conformation .

所以双键把它们锁定在某一特定形状，是十分重要的。

Study on Some Highly Active Ni Catalysts for Hydrogenation of Carbon-Carbon Double Bond in Food Oils

油脂碳碳双键加氢高活性镍催化剂的研究

Location of double bond position of insect sex pheromone by GC and gc / ms analysis

气相色谱和色-质谱法测定昆虫性信息素双键位置的研究

A cndo / 2 study on the stability of silicon-carbon double bond

硅碳双键稳定性的CNDO/2法研究

The author approaches reactivity of double bond α - H from electron effect and frontier orbital theory .

笔者从电子效应和前线轨道理讨论了双键α-H的反应性。

Compare all the Bonds Strength in Carbon-Carbon Double Bond and Carbon-Carbon Triple Bond

比较碳碳双键与叁键中各键的强弱

The results showed that , the structure of polyurethane acrylates had great effect on the conversion of double bond .

研究发现，随着丙烯酸官能度的增多，双键转化率随之降低；

They react by adding other chemical agents at the double bond to form derivatives or polymers .

这些化合物的最大用途在于双键与其它化学物质的反应。

Because of their characteristic structure , they play very important roles in organic synthesis , especially in synthesis of double bond compounds .

由于这类化合物结构的特殊性，在有机合成领域，尤其是在重键化合物的合成方面起着非常重要的作用。