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- Copper and its Compounds Precious 铜及其化合物
- Copper and Its Compounds 铜及化合物
- The Lanthanon and its compounds, because of its 4f electronic characters, have special performance. 稀土元素由于具有4f电子特性,使其元素及其化合物具有许多特殊的性能。
- Copper and gold are both metals. 铜和金都是金属。
- Large amounts of formaldehyde and its compounds used in house renovations and furniture has been blamed for deterioration in air quality. 另外，用于房屋装修的原料及家具中所含的大量甲醛和甲醛化合物也会导致空气质量变差。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Wan Y Z, Wang Y L, Li G J, et al. Carbon fibre felt electrodeposited by copper and its composites[J]. Journal of materials s cience letters, 1997 (16): 1 561-1 563. 许少凡;王文芳;凤仪;等.;碳纤维-中铜-石墨复合材料的摩擦磨损性能研究[J]
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Objective:To control the related substances of clavulanate potassium and its compound preparation by HPLC. 目的:采用高效液相色谱法(HPLC法)控制克拉维酸钾及其复方制剂的有关物质。
- To counter the defects of generating yellow fume and polluting environment,the authors introduce a new yellow fume free lustering immersing process for copper and its alloy. 针对以往工艺产生黄烟，污染环境的缺点。作者介绍了一种铜及其合金无黄烟光泽浸蚀新工艺。
- Summarization of the application of molecular-cell biology in the study on the screening of the active component in Chinese medicine and its compound. 总结了分子细胞生物学在中药及其复方有效成分筛选的研究中的应用。
- Cost reducing, application of biological technology and its compound with traditional flocculants will be the trend to solve the difficulty in the development of MBF. 针对目前微生物絮凝剂发展的“瓶颈”问题,认为降低成本、充分利用生物技术以及与传统絮凝剂复配使用将成为微生物絮凝剂今后发展的方向。
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
- That book ends with a summary and its conclusion. 那本书的结尾是概要和结论。
- Li Ba-fang,Mao Wen-jun,Hu Wen-ying.Effects of water extracted sargassum fusiorme and its compound food on body growth [J].Chinese Journal of Marine Drugs,1999,18:35 -39. [3]李八方;毛文君;胡文英.;羊栖菜水提物及其复方食品对机体生长发育的影响[J]
- Abstract： To counter the defects of generating yellow fume and polluting environment,the authors introduce a new yellow fume free lustering immersing process for copper and its alloy. 摘 要： 针对以往工艺产生黄烟，污染环境的缺点。作者介绍了一种铜及其合金无黄烟光泽浸蚀新工艺。
- This paper introduces a new chemical colouring technology for copper and its alloy surface to colour a verde green with respect to technical process, prescription, quality control and so forth. 从工艺流程、配方、质量影响因素等方面,介绍一种在铜及其合金表面着自然铜绿的化学着色新工艺。
- The fusion of copper and zinc make the metal brass. 铜和锌的熔化制成黄铜。
- We refer to copper and silver as good conductors. 我们认为铜和银是良导体。
