pumice tuff是什么意思

用法例句

Pilot research on the treatment of active bright red X-3B by TiO_2/pumice;

TiO_2/浮石光催化降解活性艳红X-3B的中试研究

Research on Experiment of Pumice Concrete Porous Bearing Wallboards;

浮石混凝土多孔承重墙板试验研究

Comparison study on biological deodorizations of hydrogen sulfide (H_2S) was conducted by using activated carbon; pumice; ceramics pellet and ceramics ring as carrier in trickled-bed biofilter respectively.

用活性炭、浮石、陶粒和瓷环分别作为生物滴滤填料进行去除H2S恶臭气体的对比研究。

ln this paper , zeolite (13X) was synthesized with float stone.

以吉林省长白山地区的天然浮石为原料，成功地合成了１３Ｘ型分子筛，对其合成路线，反应条件进行了研究，确定了合成１３Ｘ型分子筛的最佳工艺条件，并通过Ｘ射线衍射法及差热分析等手段证明了产物的结