By contrast, the process for goethite and manganite were exothermic.
2
锰结核的主要矿物是具有隧道孔结构的钙锰矿以及具有层状结构的似水锰矿和水钠锰矿。
The major components of manganese nodules are todorokite with a tunnel-like structure and also buserite and birnessite with layered structures.
3
研究用软锰矿的水悬浮液脱除一转一吸硫酸生产尾气中的SO 2并副产工业硫酸标的工艺可行性。
The technological feasibility of SO2 removal from tail gas of single-absorption H2SO4 plant with aqueous pyrolusite suspension as absorbent and commercial MnSO4 as byproduct is examined.