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- Methods Subjects were randomly sampled from 2 chemical enterprises in a chemical industry area.581 chemical workers were interviewed. 方法對上海某化工區2家化工企業581名化工行業職工進行隨機抽樣調查。
- Inorganic polymer coagulant development and application has become a hot topic of chemical task for science environment and chemical workers. 摘要： 無機高分子絮凝劑的研製與應用已成為環境科學和化學工作者的熱門課題。
- International Federation of Petroleum and Chemical Workers 國際石油與化學工人聯合會
- Chemical workers' lung 化學工人肺
- A reactor is a container for chemical reaction. 反應器是進行化學反應的容器。
- The chemical symbol for copper is "Cu". 銅的化學符號是Cu。
- We are doing a chemical experiment. 我們正在做化學實驗。
- My major is the subject of chemical engineering. 我的專業是化學工程學。
- Ammonia is a chemical substance. 氨是種化學物質。
- Survey on the lung cancer in di-octachloropropyl ether workers of a chemical factory. 某化工廠八氯二丙醚生產工人肺癌患病情況調查。
- A chemical derived from petroleum or natural gas. 石油化學製品從石油或天然氣中提煉出的化學產品
- Beware how you handle the toxic chemical. 小心處理有毒的化學藥品。
- The chemical can behave as an acid. 這種化學製品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化學化合物可以通過加熱分解。
- I am not familiar with chemical terms. 我不熟悉化學術語。
- He devoted his life to chemical research. 他一生從事化學研究。
- He is experimenting with a new chemical. 他正在實驗一種新的化學製品。
- The two elements are synthesized by a chemical process. 這兩種元素已經化學合成。
- A chemical compound consisting of such molecules. 二聚化合物這種聚合物形成化合物
- Relating to both physical and chemical properties. 物理和化學的與物理和化學特性均有關的
