tonstein

tonstein

美 　英

• 网络粘土岩；中火山灰蚀变粘土岩夹矸；高岭石泥岩夹矸

例句

Instead, the coal rank can be forecasted by studying the change of the mineral in the tonstein intercalations.

反过来，我们也可以通过研究煤层夹矸的矿物成分变化来预测煤变质程度或变质阶段的高低。

Application of Transient Rayleigh Waves Technique to Follow the Tracks of the Tonstein in Seam

应用瞬态瑞利波技术跟踪探测煤层夹矸的变化

Characteristics and origin of tonstein intercalations in the anthracite bed of Jincheng mining area

晋城矿区无烟煤层中泥岩夹矸的变化特征及成因探讨

Synthesis of Y-type Zeolite from Tonstein as Raw Material

以煤矸石为原料合成Y型沸石

Study on gangue of tonstein within No. 5 Coal-bed in Hulstai coal district, Ningxia

宁夏呼鲁斯太矿区5#煤层粘土岩夹矸的研究