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- The chemical behaviour of heterocyclic compounds is governed by the same factors that govern all chemical behaviour. 杂环化合物的各种反应与其它化学反应一样，均为相同的因素所制约。
- They have the same atomic number and hence nearly identical chemical behaviour but different atomic masses. 它们有相同的原子序数，因此化学行为几乎完全一样，但原子量不同。
- This paper analyses source and chemical behaviour in environment of fluoride. The result shows emission fluoride concentration over passing national standard in the progress of glazed brick faience production. 对建陶行业氟化物的来源及其在环境中的化学行为进行了分析 ,结果表明 ,在釉面砖生产过程中排放的氟化物浓度超过国家规定的标准。
- 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。
- The chemical behaviour of heterocyclic compounds is governed by the same factors that govern all chemical behaviour 杂环化合物的各种反应与其它化学反应一样，均为相同的因素所制约。
- 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。
- Keywords Cadmium;Plimbum;dustfall;chemical speciation;environmental chemical behaviour; 关键词镉;铅;大气降尘;化学形态;环境化学行为;
- 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
