covalent

形容词：

形容词: covalent

更多词形：

形容词: covalent | 副词: covalently | 名词: covalency |

单词例句：

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。

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。

A molecule or ion that can combine with another by forming a covalent bond with two electrons of the other.

分子，离子可通过两个电子形成共价键而结合在一块的分子或离子

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。

High temperatures are required, however, because the metal atoms grip the hydrogen with strong covalent bonds.

然而，温度还是要够高，因为金属原子会以键结力强的共价键抓住氢。

Histone 3 methylated at lysine 4(H3K4),one type of these covalent modifications,is associated with active chromatin and gene expression.

组蛋白H3第4赖氨酸的甲基化作为共价修饰的方式之一,可以调控基因的转录激活。

The results show that vinyl polymer was grafted on the polypeptide chains of chrome-shaving hydrolysate with covalent bond.This pr...

结果表明:乙烯基类聚合物分子链以共价键在胶原蛋白水解产物的分子链(即多肽链)上发生了接枝;

Histone is the nucleus of chromatin,the covalent modifications in its tails form the histone codes that regulate a number of biological processes.

组蛋白是染色质的核心,其尾部的共价修饰组成组蛋白密码,调节许多生物学事件。

The main reason of shrinkage stress during curing period is the change from distance between monomer moleculers to covalent distance .

树脂固化时收缩应力的主要原因是单体之间的分子间距离缩短变为共价距离。