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- Adopting advanced chemic way of ratproofing ,mouseproof or termiteproof cable have many virtue ,such as easy machining \construction 、easy maintenance and light weight etc. 采用先进的化学防鼠防白蚁方法，具有易加工、易施工、易维护、重量轻等优点。
- Cleaning the surface in chemical way does little corrode and it is an effective,easy and practical way of cleaning the screening surface. 化学清洗是曲筛筛面清洗的一种行之有效而简便实用的方法。
- Piston plated by 0.5-3u tin on the surface in chemical way ,the tin layer with little hole has the lubri-cative quality of soft meta... 在活塞表面用化学方法镀覆05.;-3的锡层，多孔的锡层有软金属的良好润滑特性，能吸附较多润滑剂，降低了活塞与气缸音的摩擦功
- Polyaniline nanofibers can be facilely prepared through a chemical way, however there is dispute on the formation mechanisms of the polymeric nanofibers. 聚苯胺纳米纤维可以通过化学途径方便地合成出来,但对于纳米纤维的形成机理尚未取得一致的看法。
- 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。
- We are doing a chemical experiment. 我们正在做化学实验。
- 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。
- The two elements are synthesized by a chemical process. 这两种元素已经化学合成。
- The product's wet strength is achieved through use of a chemical compound that binds paper fibers together much the way cement binds bricks. 该产品的耐湿性是通过使用一种化合物将纸纤维粘合在一起而成，如同水泥将砖块粘合在一起。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- Relating to both physical and chemical properties. 物理和化学的与物理和化学特性均有关的
