Influences of parameters for oxidizing process, pre and post treatment procedures and material status of brass substrate on quality of chemical conversion film on brass were described.
介绍了氧化工艺参数，前、后处理工序，黄铜基体材质状况等因素对黄铜化学转化膜质量的影响。
2
The method for making the hydrogen storage material includes the steps of: providing a hydrogen storage powder and oxidizing the powder with a controlled oxidation reaction.
制备氢存储材料的方法包括如下步骤：提供氢存储粉末和用受控的氧化反应氧化该粉末。
3
The construction characteristic of biomembrane oxidizing tank and specialty of packing material used in the process of bacterial heap leaching of uranium ore are introduced in this paper.