platinum black meaning in Chinese

(做触媒用的)铂黑，铂墨。

This project which is based on the demand of increasing the electron tube ’ s qualities totally and reducing the manufacture cost has done a large amount of investigative work as follows to improve and perfect the technologies for the important part of electron tube manufacture ? the grid surface processing : on the surface processing of the molybdenum grid , the primary purpose is to reduce thermionic emission and secondary electronic emission of the grid . by the constantly experiment and grabbling the different technology routes , we have successfully developed these new technologies on the tac and zrc electrophoresis and electroplating platinum black of the grid , and made its surface cladding quality very stable and reliable
本课题是基于整体提高电子管的质量和降低生产成本的要求,对电子管生产中的重要部分? ?栅极的表面处理技术进行改进和完善,主要在以下方面进行了深入研究:在钼栅极表面处理方面,主要为实现降低栅极的热电子发射和二次电子发射,通过不同工艺路线的不断试验和摸索,成功开发出栅极电泳tac 、 zrc和电镀铂黑的新工艺,使栅极的涂覆质量稳定可靠。