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- The typical process of chemical measurement has been illustrated, and the general steps of the preparation of the CRMs have been reviewed in this paper. 摘要本文对典型的化学测量过程进行了阐明,对有证参考物质的一般研制步骤进行了考察。
- She also got some of the first chemical measurements that showed man-made chlorofluorocarbons caused the hole. 她还掌握一些先进的化学测量方法来说明臭氧洞是由人造含氯氟烃造成的。
- Murray RW.Analytical Chemistry Is Still the Science of Chemical Measurements[J].Anal.Chem.2007,79:1765. 林炳承;秦建华.;微流控芯片实验室[M]
- Future no-till farming will need to employ more diverse pest and weed management strategies, including biological, physical and chemical measures to lessen the threat of pesticide resistance. 未来的不整地栽培法将需要采用更多元的害虫及杂草管理策略,包括以生物、物理、化学防治来降低杀虫剂抗药性的威胁。
- 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。
- Will take the chemical measure of the moon's air 会测量该卫星上的空气的化学成分
- Using Standard Chemical Measuring Symbols and Units 请规范使用化学计量符号和单位
- 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