1. a chemical bond formed between atoms by the sharing of electrons
covalent bonds 例句
英汉例句
At this level, basic concepts such as bonding, ionic and covalent bonds are briefly introduced to students.
在这一级,基本概念,如氢键,离子和共价键简要介绍给学生。
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.
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。
SILANE organo-silane polymers react at room temperature with hydroxides present in the metal oxide layer of cleaned metal substrates to for strong covalent bonds with the metal substrate.
金属表面经过清洗后,硅烷产品在室温下能与其氧化层中氢氧化物反应,形成很强的共价键。
Both ionic and covalent bonds arise from the tendency of atoms to attain this stable configuration of electrons.