Carbon-carbon bond forming reactions are most important transformations in organic synthesis.
碳碳键的形成反应在有机合成中占有非常重要的地位。
To our knowledge, the similar FeCl3-mediated carbon-carbon bond cleavage was not reported before.
三氯化铁作用下的类似碳碳键断裂反应未见相关文献报道。
A desirable alternative is to produce liquid hydrocarbons such as alcohols, as far more energy can be stored in the carbon-carbon bond.
一个理想的替代方法是生产液态碳氢化合物如醇，使更多的能量可以储存在碳碳键里。
Carbon-carbon bond forming reactions of arenes and heteroarenes are always the major topics in organic chemistry and organometallic chemistry.
芳烃和杂环芳烃化合物的碳碳键生成反应一直是有机化学和有机金属化学研究领域中的主要课题。
As an important approach of carbon-carbon bond formation and carbon-heteroatom bond formation, photochemistry of organic halides has been studied extensively.
有机卤代物的光反应作为构建碳-碳键和碳-杂原子键的一种重要途径已经得到了广泛和深入的研究。
The review deals mainly with the application of organoboron reagents including aikylboranes, vinylborancs and some organoborates in carbon-carbon bond formation.
本文主要介绍有机硼试剂，包括烷基硼烷，烯基硼烷及一些四价硼酸盐类，在碳碳键形成中的应用。
The result shows that under the optimal conditions, the content of double carbon bond in product reduced, and the comprehensive properties, especially, the oxidative resistance improved greatly.
结果表明：在此条件下加氢，产物碳碳双键含量减少，其综合性能特别是高温耐氧化性得到了显著提高。
According to Bond-Lamberty, researchers might have a flawed understanding of how carbon cycling works in Arctic soil.
据邦德·兰姆伯蒂说，研究人员可能错误地理解了碳循环在北极土壤中起作用的方式。
If we think about bringing in those last two carbons, what you can see is that for every carbon, two of its hybrid orbitals are being used to bond to other carbons.
如果我们考虑引入最后两个碳原子，你会看到的是对于每个碳原子，其中的两个杂化轨道，和另外的碳原子成键。
Pure carbon can make very different structures depending on how the atoms are arranged and how they bond to each other.
纯碳能够呈现出不同的构造，这主要取决于碳原子的排列，以及他们之间的结合方式。
Dr Bond is one of the lead authors of an ambitious attempt to assess observations and models of black carbon, and quantify their uncertainties, that should be published shortly.
（含有黑碳的云飘在空中持续的时间不长）邦德博士是观测评估黑碳模型的领导者之一，这是一项颇具雄心的实验。
So it's along the bond axis and it's between a carbon s p 2 hybrid, and then the hydrogen is just a 1 s orbital that we're combining here.
所以它是沿着键轴方向的,而且这里是一个碳sp2杂化轨道，和一个氢的1s轨道的结合,在这里我们可以合并他们。
sigma2sp It's going to be a sigma bond. So, we have sigma 2 s p, carbon 2 s p. So they're two s p bonds combining.
是sigma键，我们有，碳2sp。，所以它们是两个sp键结合。
So let's take a look at what actually happens if we're talking about a carbon-carbon double bond, we're going to have a double bond.
让我们来看一看碳碳双键的情况，例如在乙烷里，我们有个双键。
Now I want to ask, what's the nature of the carbon-hydrogen bond?
现在我想问问，碳氢键的本质是什么？
Carbon atoms on the two molecules, now in close proximity, bond to each other, forming a new compound.
两个分子上的碳原子非常接近，相互联接，形成新的化合物。
Olefin (or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double Bond (see covalent Bond, saturation).
烯烃：含有一对或多对由双键连接的碳原子的一类不饱和烃。
Our second bond is going to be between the carbon and the hydrogen atoms.
第二种键是，碳氢之间的键。
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。
The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
这个分子包含四个呈环状排列的碳原子，每两个碳原子之间形成一个三价键。
What distinguishes all the species of plants and animals is, in the final analysis, differences in the way carbon atoms choose to bond.
归根结底，区分所有的动植物物种，就是看碳原子结合方式上的差异。
The bond behavior between carbon fiber sheets and steel affects the effectiveness of strengthening, but research on this subject is still lacking in China.
碳纤维布与钢结构之间的黏结性能直接影响加固效果，但是目前国内对这方面的研究还未涉足。
The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.
最常见的例子是有机化合物，亚硝酸盐类的同分异构体，其中一个碳原子以共价键与硝基中的氮原子结合。
This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.
这个分子非常简单，因为我们知道应该把它们放在哪里，甚至不用去想，我们只有一个选择，我们将在碳与氮之间形成一个三键。
Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.
毫无疑问，氯仿是含碳？卤键的最重要的化合物之一。
The electrochemical characteristics of carbon atoms on the edge and basal plane were determined by analyzing structure of graphite crystal and bond of different carbon atoms.
分析了石墨微晶结构与成键特征，研究了石墨微晶中边缘碳原子与基平面碳原子的电化学特性。
Fluorinated carbon - carbon triple bond formation.
含氟碳-碳叁键的合成方法学。
It was found that with the increasing of carbon content, the martensite layer the weld bond disappeared, and the sawtooth-like of the partially melted zone widened.
结果发现随碳含量增加，熔合区中的类马氏体层消失，呈锯齿状的部分熔合区增宽。
"One - pot" carbon - carbon double bond formation.
“一锅”法的碳-碳双键形成反应。
The differences in structural type and contents of carbon-oxygen single bond between the contact black and the furnace black are very evident.
研究结果指出，接触法炭黑与氧化炉法炭黑的表面在碳氧键合结构形式及含量上有很大的差异；
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