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- Two immobilization methods widely used are physical adsorption and chemical binding. 两种广泛用到的固定化方法是物理吸附和化学连接。
- It was assumed that, in a metal, the outer atomic electrons, known as the valence electrons since they are the ones which take part in chemical binding. 曾经假设，金属中原子的外层电子并不是束缚在个别原子上，这些外电子被称为价电子，因为它们是参与化学键的电子。
- To take up and chemically bind(a substance) onto the surface of another substance. 化学吸附使（一种物质）化学吸附在另一种物质的表面
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Any of a group of proteins,such as casein,containing chemically bound phosphoric acid. 磷蛋白，磷朊一组蛋白质中的任一个，如酪蛋白，化学上含有稳定的磷酸。
- We are doing a chemical experiment. 我们正在做化学实验。
- Any of a group of proteins, such as casein, containing chemically bound phosphoric acid. 磷蛋白，磷朊一组蛋白质中的任一个，如酪蛋白，化学上含有稳定的磷酸
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- 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
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- He devoted his life to chemical research. 他一生从事化学研究。
- He is experimenting with a new chemical. 他正在实验一种新的化学制品。
- Electrocatalytic Effect of Ceramic Nanoparticles and Chemical Binding Interaction between Nanoparticles and Matrix Metal in Composite Coating 纳米陶瓷颗粒的电催化效应及其在复合刷镀层中的化学状态
- The Sulphur Guard Beds contain an adsorbent that converts the mercaptans present at trace levels in the Heavy Naphtha product, and chemically binds the Sulphur in the form of stable metal sulphides. 硫保护床装有一种吸附剂，它能把重石脑油产品中存在的微量硫醇转化，并通过化学键使硫以稳定金属硫化物的形式存在。
- The two elements are synthesized by a chemical process. 这两种元素已经化学合成。
