covalent bond的例句大全

It is almost always the electron-pair donor ( nucleophile ) in a covalent Bond.

在共价键中它总是电子对的施主 ( 亲核试剂 ).

Further study is needed before the origin of the covalent bond can a settled question.

需进一步深入研究方能解决共价键的起源问题.

Chemical bond mainly includes electrovalent bonds , covalent bonds, and metalic bonds.

化学键主要有离子键 、 共价键 、 金属键.

Therefore, the spin pairing is not cause of the formation of covalent bond, it is not also condition of first determining, the spin pairing is the only particularity of covalent bond of two electrons.

因此，电子自旋配对不是共价键形成的原因，也不是先决条件，电子自旋配对只是双电子共价键的一个特点。

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.

Elegant studies revealed that, the special mechanism of SCOT catalyzing the formation of acetoacetyl CoA is generating the thioester with coenzyme A and binding the ADP groups of coenzyme A in the form of non – covalent bond.

研究表明：SCOT催化乙酰乙酰辅酶A生成的具体机制是与辅酶A的巯基生成硫酯并以非共价键的形式连接辅酶A的ADP基团。

The results show that intramolecular coordination ability bears a parallel relationship with stabilization energy, bond parameter and charge transfer. For these coordination compounds intramolecular interaction is mainly a σ-bonding and the coordination force is essentially covalent interaction.

结果表明，分予闻配位强弱与稳定化能、键参量、电荷转移成平行关系，分子间作用键主要是σ配键，揭示了配位力的本质是授受电子的共价作用。

After calculating the electron energy difference of strong covalent bond in austenitic crystal cell between alloy steel and 45 carbon steel, a formula to calculate LPT value in C Curve of low alloy steel was put forward.

通过计算合金奥氏体晶胞强共价键电子能量Ee与45钢奥氏体晶胞强共价键电子能量Ee（45）的差，提出计算低合金钢C曲线的珠光体孕育时间对数值（LPT）公式。

Through comparing the valence electron structure in austenitic crystal cell among all kinds of alloys, the strong covalent bond of austenitic crystal cell valence electron structure is thought as a main factor to influence the stability of austenite.

对各种合金奥氏体晶胞价电子结构进行比较后，认为影响合金奥氏体稳定性的主要因素是奥氏体晶胞价电子结构的强共价键。

Silicon carbide was a strong covalent bond compound, which had favorable high temperature, electricity, mechanism and chemistry capability.

碳化硅材料是共价键极强的化合物，具有良好的高温性能、电性能、机械性能和化学性能。

But aluminum nitride is covalent bond compound with high melting point and low self-diffusion coefficient, and usually it can be used to prepare high dense aluminum nitride ceramic by hot pressing sintering.

但氮化铝为强共价键结合物，熔点高，自扩散系数小，通常需要热压烧结才能制备出高致密的氮化铝陶瓷。

Disulfide bridge In PROTEINS, a covalent bond formed between the sulfhydryl (-SH) groups of different cysteine molecules.

在蛋白质中两个半胱氨酸残基的两个巯基之间形成的共价键。

Calculations of the vibrational frequence of the chemical bond R-H in the covalent molecules like h_nrh

共价键型分子氢化物HnR-H中R-H键振动频率的计算