摘要
1.给出了表观密度的定义; 2.表观密度仪的用途; 3.主要目的一讨论了表观密度仪设计中的若干问题。如为什么料杯的盖子安排在它的底部?为什么三个滚珠之间的夹角不相等-不是120°,等等。
1、Give a definition about apparent density; 2、Advantage about apparent density apparatus 3、Main objective-A few design problems (?) were discussed. For example, the cover of bottle was laid on the bottom of it, (?) among three rolling balls was unequal-wasn't 120°, why? etc.
出处
《中国计量学院学报》
1993年第2期59-65,共7页
Journal of China Jiliang University
关键词
表观密度仪
设计
Apparent density apparatus
design