The combination of organic chemistry and mineralchemistry, as well as the combination of non - fixed form material and colloid material chemistry are the secret formula in this century.
有机化学和矿物化学的结合，以及无定形材料化学和胶体材料化学的结合，是这一世纪混凝土成功的秘诀。
2
Chemistry 4 Mineral acid cleaning and passivation can be performed for iron oxide removal or passivation.
化学作用4：可进行无机酸清洁和钝化以去除或钝化氧化铁。
3
According to research of mineralogy, petrology and geochemistry, we discuss kaolin mineral composition, chemistry composition, and change rules and origin of Datong coal series.