而是用的同核，嗯，这是完全共价的。
如果我用这个测量表测氢分子，完全平均共价的分子。
If I look at a homonuclear molecule such as molecular hydrogen, this is perfect sharing.
但在这个计算过程中，真正漂亮的是对电子，非平均共价的考虑很完全，从而指引我们向一个正确的方向思考。
But the beauty in this calculation is it shows that this concept of electron sharing in an unequal manner is sound and it gets you into the right ballpark.
依托泊苷能稳定酶催化性循环中的一种共价的拓扑异构酶ii裂解的DNA中间复合物，导致基因组不稳定性和细胞死亡(2,3)。
Etoposide stabilizes a covalent topoisomerase II-cleaved DNA intermediate complex in the catalytic cycle of the enzyme, leading to genomic instability and cell death (2, 3).
共价催化涉及底物与活性位点中的残基或与辅因子形成瞬时共价键。
Covalent catalysis involves the substrate forming a transient covalent bond with residues in the active site or with a cofactor.
配位共价键是其中两个键合电子均来自该键所涉及的原子之一的键。
A coordinate covalent bond is one where both bonding electrons are from one of the atoms involved in the bond.
我想象它们的样子，通过共价键结合的分子链。
I'm imagining something like, covalently bonded chains that have links between them.
并列而排的转移rna阅读邻近的密码子，带来氨基酸并将其以共价键连接起来。
Juxtaposed tRNAs, reading adjacent codes, bring together amino acids, which are then covalently joined to together.
当我们刚开始介绍共价键的时候，我们说过电子是被共用的，但是共用却不一定是均等的。
So as we said when we first introduced covalent bonds, it's a sharing of electrons, but it's not always an equal sharing.
然后鲍林更进一步，说这是一个完全的共价成分。
And so Pauling went further and said this is the purely covalent component.
那么，这就是我们所应该想到的基本思路，在考虑共价键时。
So, that's basically the idea of how we are going to be thinking about covalent bonds.
他有许多著名的发现，其中一个便是共价键。
He's famous for a lot of things, one of which is covalent bonding.
这就Lewis给我们的礼物，Lewis结构，你能够通过公用电子，形成共价键。
So, that's his gift to us: the Lewis structure, and the idea that you could share electrons and form a covalent bond.
小小的质子具有很高的电负性，在上述分子中，质子共价结合Ng。
The tiny proton is highly electronegative, and it bonds covalently to Ng in these molecules.
这是氢的同原子的共价能,在纯氢中，我们有完美的共价键。
This is the homonuclear bond energy for hydrogen in pure hydrogen. There we have perfect covalency.
所以你看得出极性共价就是，趋向离子键的。
So you can see that polar covalency is a tendency towards ionic bonding.
当“航行者”号完工的时候，它身上的零件共价值二百万美元。
When Voyager was finished, it had two million dollars' worth of parts in it.
这证明有每摩尔435焦的，的共价能。
And this turns out to have a bond strength of 435 kilojoules per mole.
量子点与生物大分子的连接方式主要有共价耦联结合和静电吸附作用两种。
The two main methods of the connection between QDs and biological molecules are covalent coupling and electrostatic adsorption.
在欧元区成员里的各个央行的黄金总共价值大约3750亿欧元。
The gold in the central Banks of Eurozone members together is worth some 375 billion euros.
过氧化物：任何由两个氧原子以单个共价键相互结合在一起的一类化合物。
Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.
有研究显示，在碳化二亚胺的存在下，蛋白质和酶可以和新制备的磁体共价连接。
It has been shown that proteins and enzymes can be bound covalently to freshly prepared magnetite in the presence of carbodiimide.
组蛋白是染色质的核心，其尾部共价修饰在基因表达调控中有重要作用。
Histone is the core of chromatin, and covalent modification of histone tails have fundamental roles in regulation of gene expression.
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。
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.
这样制备的吸附剂的性质与承载共价键连接鳌合官能团材料的性质相同。
Thus-prepared sorbents possess the properties of materials bearing covalently-bonded chelating functions.
沿着纤维长度有很强结合力的共价结合在这个方向上给予复合材料很高的模量，因为要损坏或拉伸纤维就必须破坏或移除这种结合。
The strong covalent bonds along the fiber's length give them a very high modulus in this direction because to break or extend the fiber the bonds must also be broken or moved.
在组蛋白上发生的共价修饰组合，具有功能意义，能被蛋白质识别。
Combinations of covalent modifications on histones that have a functional significance and are recognized by proteins.
超分子化学是小的分子单元通过非共价键自组装成大的超级分子的化学。
The super molecule chemistry is that small molecule units have assembled big molecule with non-covalent bond by themselves.
本文给出了一个计算原子共价半径的经验公式，其计算结果与实验值基本相符。
In this paper, we give a experiential calculating formula of atomic covalent radius, the results are satisfied.
是一个完全的共价成分，他的理由是他们都是同核共价。
This is purely covalent because all it is is homonuclear bond energies.
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