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- A chemical bond or link created by cross-linking. 交键通过交联形成的化学键
- Tending to attract electrons to form a chemical bond. 负电极的有吸引电子以形成化学键的倾向的
- Tending to release electrons to form a chemical bond. 有释放电子以形成化学键倾向的
- A chemical bond. 化学黏合剂
- The breaking of a chemical bond in an organic molecule with the simultaneous addition of a hydrogen atom to each of the resulting molecular fragments. 分解氢，一个有机体分子中的化学键的断裂，同时给每个产生的分子分裂物加一个氢原子。
- A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion. 一个原子失掉一个电子来形成一个正离子，另一个原子得到一个电子来形成一个负离子的化学键。
- Tn fact, it is natural to use a graph or a tree to represent a molecule when the only property considered is the existence or not of a chemical bond. 实际上，若仅考虑原子间的连接关系，则用图或树状图来表示分子的结构是一件非常自然的事情。
- A chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g.,oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond. 一种化学键：由两个负电原子（如氧气或氮）及其间的氢原子组成，其中一边是共价键，另一边是离子键。
- Then, several chemical transformations occur: the glycine forms a chemical bond with the serine, forming a new closed ring, which then spontaneously dehydrates. 然后，几个化学变化发生了：氨基乙酸与丝氨酸成键，生成环状产物，接着脱水。
- To form a chemical bond. 形成化学键
- We are doing a chemical experiment. 我们正在做化学实验。
- Void - The lack of any sort of bond (particularly a chemical bond) at the site of bonding. 无效-在应该绑定的地方没有绑定(特别是化学绑定)。
- Ammonia is a chemical substance. 氨是种化学物质。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- The two elements are synthesized by a chemical process. 这两种元素已经化学合成。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- What's the nature of chemical bond? 什么是化学键的本质?
- The ability to take part in a chemical reaction. 活性，活度参加化学反应的性能
- A chemical factory blew up early in the morning. 有间化工厂凌晨发生爆炸。
- We saw that a chemical change had taken place. 我们看到已发生了化学变化。
