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- The refractory chemical wastewater accounts for about 52% in the urban wastewater of Jiaojiang City,and is more difficult to be treated. 椒江的城市污水中高浓度难降解化工废水约占52%25,处理难度较大。
- Electrolytic methods of waste treatment must be examined more closely as a means of removing the refractory chemicals present in the textile waste streams. 作为清除纺织业废水水流中的不易溶化学成份的一种手段，更应研究废水处理的电解方法。
- Keywords Fused cast AZS refractory Chemical analysis Quick chemical analysis; 熔铸AZS耐火材料;化学分析;快速化学分析;
- 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。
- The state or quality of being stubborn or refractory. 顽固，倔强顽固、固执或倔强的状态或性质
- 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。
- Refractory children disobey their parents. 执拗儿童违抗父母。
- 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
- Zuoyun County Yunbao Refractory Material Co., Ltd. 左云县云宝耐火材料有限责任公司。
