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- Methods Subjects were randomly sampled from 2 chemical enterprises in a chemical industry area.581 chemical workers were interviewed. 方法对上海某化工区2家化工企业581名化工行业职工进行随机抽样调查。
- Inorganic polymer coagulant development and application has become a hot topic of chemical task for science environment and chemical workers. 摘要： 无机高分子絮凝剂的研制与应用已成为环境科学和化学工作者的热门课题。
- International Federation of Petroleum and Chemical Workers 国际石油与化学工人联合会
- Chemical workers' lung 化学工人肺
- 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。
- Survey on the lung cancer in di-octachloropropyl ether workers of a chemical factory. 某化工厂八氯二丙醚生产工人肺癌患病情况调查。
- 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。
- 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
