三键

一个三键，同样的也有沿着核间轴sigma键。

A triple bond , again is going to have one sigma bond on the internuclear axis .

含有共轭三键共聚物中光生载流子产生机制的探讨

Mechanism of photo-carrier generation in polymer with conjugated triple bond

原子距边矢量、三键数与烷烃的~（13）cNMR化学位移

Carbon atom distance edge vector and 13 C NMR chemical shifts of alkanes

本文讨论了三角形格点上两个键的占有几率为p，第三键的占有几率为q的符向异性键渗流问题。

We consider the problem of bond percolation on an anisotropic triangular lattice in which two bonds have been occupied with probability p and third with q.

1在沸腾的甲苯中可进一步脱羰而以98%的产率生成金属-金属三键化合物[η~5-Bz5C5（CO）2Mo]2（3）。

Further decarbonylation of 1 in refluxing toluene gave the metal-metal triply bonded compound [ η 5-Bz5C5 ( CO ) 2Mo ] 2 ( 3 ) in 98 % yield .

让我们想想怎么来分类单键双键，和三键，这在我们在考虑sigma键，和π键是很有用的。

So let 's think about how we can classify single and double and triple bonds , which is what we 're really used to dealing with in terms of these sigma bonds and these pi bonds .

金属钨三键多核金属有机配合物高压拉曼及红外光谱研究

Raman and Infrared Spectral Studies of Tungsten Organometallic Carbyne Complex at High External Pressure

一类二维三键结构上损伤扩散的平均临界温度

The averaged critical temperature of damage spreading on a kind of two-dimensional trivalent structures

炔烃三键介绍。

Introduction to the Alkyne Triple Bond .

三键在反应时一般不象烯烃中的碳-碳双键那样剧烈。

The triple bond does not usually react so vigorously at a carbon-carbon double bond .

是氢的键更短，还是氮与氮的三键更短？

Is a hydrogen bond shorter , or is a nitrogen-nitrogen triple bond going to be shorter ?

提出了基于PS/2接口的三键鼠标作为单片机输入设备的方法。

The input device for MCU application system based on 3D PS / 2 mouse interface is proposed .

总之，含环以及三键基团的分子提供了丰富的光谱信息，有利于解析电化学界面行为。

In a word , molecules with rings and triple bonds render rich spectral information for resolving the surface behavior in the electrochemical field .

第三阶段为来源记忆提取阶段，要求被试用三键区分新词、红色旧词和蓝色旧词。

Source memory retrieval phase : Subjects were instructed to judge among the new words , the old red words and the old blue words .

同时通过对产物的结构确认，讨论了产物取代基间的相互作用所导致其芳碳化学位移实测值与经验计算值之间的差异，以及含氟基团对邻位芳碳的碳氟间三键偶合作用。

The difference between the calculated and the measured chemical shift of each aromatic carbon and the ~ 3J_ ( CF ) coupling constants were discussed .

介绍了三键圆弧摆线拉刀的设计思想及方法，指出其技术关键及主要技术参数，论述了齿形制造精度的保证措施。

The ideas for design and design method are introduced for three-spline broaches with arc pendulum profile , and their key techniques and technical data are indicated .

不过乔布斯也看出施乐的产品在很多方面存在严重不足，三键鼠标首当其冲&其成本高达300美元，但不到两周就坏了。

But also knew that it was fatally flawed at many levels , starting with the three-button mouse that cost $ 300 and broke down within two weeks .

因此，如果我们讨论的是氮与氮之间的单键，双键与三键，那么三键应该是其中最短的一个，同时也是最强的一个。

So , if we talked about a nitrogen-nitrogen single versus double versus triple bond , the triple bond will be the shortest and it will be the strongest .

近年来催化体系以有机碱为研究热点，同样在单体方面逐渐呈现出从双键的烯类单体迈向三键的炔类单体的过程，有机催化剂具有不含金属，反应条件温和等优点。

In recent years , catalytic systems of organic base have become hotspots in research , and in the monomer aspects the focus of research from alkenes monomers gradually towards alkynyl monomers .

而我们以后还会看到三键，举例来说，应该更强，相较于相应的双键，或者相应的单键来说。

And something that we 'll see later on is that triple bonds , for example , are going to be stronger than a corresponding double bond or a corresponding single bond .

让我们来看一看乙炔的例子，我们有两个碳原子，成三键，每个碳和一个碳一个氢相连。

So let 's take the case of acetylene where we have two carbon atoms that are going to be triple bonded to each other , each are bonded to a carbon and then to one hydrogen .

这看起来整洁了不少，如果我们把氰化氢的路易斯结构画成这样的话，这样我们就有氢与碳之间的单键和碳与氮之间三键，然后还有一对孤对电子在氮这里。

So it looks a lot less messy if we just draw our Lewis structure like this for h c n , where we have h bonded to c triple bonded to n , and then a lone pair on the nitrogen there .

借助于偏共振技术、质子噪声（宽带）去偶、取代基化学位移加合规则以及模式化合物比较，确定了各峰的化学位移和一键、二键及三键偶合常数。

With the aid of the techniques of proton off-resonance decoupling , broad band decoupling , and the substituent chemistry shift additivity rules and by the model compound comparison , the chemical shifts and coupling constants of all peaks observed have been determined .

近年来，重金属芳香炔类低聚物以及高聚物由于其具有特殊的光物理和光化学性能而越来越受到人们的青睐，例如，碳-碳三键的刚性结构、高的化学稳定性和热稳定性等。

In recent years , the heavy metal containing aromatic alkynes oligomers and polymers have attracted great interest of scientists due to their special photophysical and photochemical properties , such as the rigid structure of the carbon-carbon triple , high chemical stability and high thermal stability et al .