The types of veins increase, the mineral components get more complicated and higher temperature hydrothermal minerals evolve as the anthracite metamorphic ranks, whenever they are,...
无论什么时代的无烟煤，随着其变质程度升高，煤中脉体种类增多，矿物成分变得复杂，较高温热水矿物出现。
2
The types of veins increase, the mineral components get more complicated and higher temperature hydrothermal minerals evolve as the anthracite metamorphic ranks, whenever they are, get higher.
无论什么时代的无烟煤，随着其变质程度升高，煤中脉体种类增多，矿物成分变得复杂，较高温热水矿物出现。
3
The bonding theory explains the difference of hydrothermal stability of leathers tanned by various mineral-tanning agents according to their bond strength to collagen.