barium stearate layer是什么意思

用法例句

Effect of barium stearate on polypropylene foaming;

硬脂酸钡对聚丙烯发泡的影响

This paper briefly introduces the situation & problems of present drier and the newly developed efficient pneumatic drier in the production of barium stearate.

介绍了硬脂酸钡干燥现状及存在的问题。