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- There are no fragrances and chemical dyes. 完全不含香料和化学染剂。
- With the technique, near-infrared fluorophores, a special type of chemical dye, are injected into patients. 应用这项技术，近红外荧光团，一种特定类型的化学染色，注射进患者体内。
- The invention relates to a cell chemical dyeing method compatible with immunofluorescence analysis and relative applications. 本发明涉及一种兼容免疫荧光分析的细胞化学染色方法及其用途。
- Traditionally use natural pigments (indigo, saffron crocus, acorn cup, and larkspur stem...) to dye the yarns into different colors.But now we use also chemical dye. 传统上使用天然的植物颜料(蓝靛，红花，橡壳等)把丝线染色但现在更多使用化学颜料染色。
- Traditionally use natural pigments (indigo, saffron crocus, acorn cup, and larkspur stem...) to dye the yarns into different colors.But now we also use chemical dye,which is also called synthetic dye. 传统上使用天然的植物颜料(蓝靛，红花，橡壳等)把丝线染色但现在更多使用化学颜料染色。
- 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。
- This chemical is used to set a dye. 这种化学品用来固定染料的颜色。
- 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。
- 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
