These three components are interwoven, and direct covalent linkages.
这三种成分相互交织，直接形成共价键。
A coordinate covalent bond is one where both bonding electrons are from one of the atoms involved in the bond.
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。
Covalent catalysis involves the substrate forming a transient covalent bond with residues in the active site or with a cofactor.
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。
And he coined the term covalent bonding.
他创造了共价键这一概念。
What's the definition of the covalent bond?
共价键的定义是什么？
In covalent bonding, atoms share electrons.
在共价键联中，原子共有电子。
They say homonuclear. So this is purely covalent.
而是用的同核，嗯，这是完全共价的。
Well, with covalent bonding, it's not so simple.
但对于共价键就没这么简单了。
The moiety can provide covalent interaction with sugars.
胶原蛋白与黏多糖体供给肌肤保湿成分与紧肤效果。
And the key word for covalent bonds is the idea of being Shared.
而关于共价键最关键的一点就在于共用的概念。
So specifically, today we're going to talk about covalent bonds.
特别地，今天我们要专门讲一讲共价键。
A pair of electrons Shared between two atoms in a covalent bond.
在共价键中被两个原子所共有的一对电子。
He's famous for a lot of things, one of which is covalent bonding.
他有许多著名的发现，其中一个便是共价键。
Antibody can be linked to liposome particles by covalent binding.
抗体能通过共价键结合在脂质体颗粒上。
This is purely covalent because all it is is homonuclear bond energies.
是一个完全的共价成分，他的理由是他们都是同核共价。
And so Pauling went further and said this is the purely covalent component.
然后鲍林更进一步，说这是一个完全的共价成分。
Halogen bond is known as a kind of non-covalent intermolecular interaction.
卤键是一种类似氢键的分子间弱相互作用。
Halogen bond is known as a kind of non - covalent intermolecular interaction.
卤键是一种类似氢键的分子间弱相互作用。
So, that's basically the idea of how we are going to be thinking about covalent bonds.
那么，这就是我们所应该想到的基本思路，在考虑共价键时。
Like similar covalent fluorides and perchlorates, it needs to be handled with extreme caution.
就像与其类似的共价氟化物和高氯酸盐，都需要非常谨慎处理。
This bonding may be hydrogen bonding but is preferably a salt bond and especially a covalent bond.
这可能是结合氢键，但最好是盐的债券，特别是共价键。
It shows that the high Tc superconductors are the crystals with both ionic and covalent properties.
结果表明，高温超导材料属于具有部分离子性和部分共价性的晶体。
Further study is needed before the origin of the covalent bond can be considered a settled question.
需进一步深入研究方能解决共价键的起源问题。
Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.
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。
In this paper, we give a experiential calculating formula of atomic covalent radius, the results are satisfied.
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。
Both ionic and covalent bonds arise from the tendency of atoms to attain this stable configuration of electrons.
离子键和共价键都是由于原子要达到这个稳定电子构型而形成的。
So, that's his gift to us: the Lewis structure, and the idea that you could share electrons and form a covalent bond.
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。
Naturally occurring covalent crosslinks play an important role in the structure-function relationships of proteins.
通常地，出现的共价交联在蛋白的结构和功能关系中起重要作用。
So as we said when we first introduced covalent bonds, it's a sharing of electrons, but it's not always an equal sharing.
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。
Combinations of covalent modifications on histones that have a functional significance and are recognized by proteins.
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。
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