potash
英['pɔtæʃ]美['pɔtæʃ]
n.
1.碳酸钾，苛性钾
1.碳酸钾，苛性钾
| 同： |
- acidic rocks have a silica content over 70 % Granite is the typical example of acidic intrusive igneous rock, which is composed mostly of potash feldspar, quartz and minor mica.
岩石中Si02含量大于70％时，称为酸性岩，花岗岩就是酸性侵入岩石的一个典型例子，它的矿物成分主要是钾长石、石英以及少量云母， 收藏 - potash production in the United States was not developed until World War I
一直到第一次世界大战时美国苛性钾的生产才扩大开来。收藏
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