tripolite

tripolite

1. COMPOSITIONAL AND ENVIRONMENTAL ANALYSIS OF DIATOM FLORA WITHIN TRIPOLITE OF TERTIARY IN XIANFENG, YUNNAN

云南先锋第三系硅藻土中硅藻植物群组合与环境分析

2. earthy tripolite

硅藻土

3. SILICEOUS FOSSIL MEALS (FOR EXAMPLE, KIESELGUHR, TRIPOLITE AND DIATOMITE) AND SIMILAR SILICEOUS EARTHS, WHETHER OR NOT CALCINED, OF AN APPARENT SPECIFIC GRAVITY OF 1 OR LESS.

硅质化石粗粉(例如各种硅藻土)及类似的硅质土,不论是否煅烧,其表观比重不超过1