The arsenolite cinders were treated by the processes of oxidizing roasting-pyrolusite pulp absorption,magnetizing roasting-magnetic separation and acid leaching.
The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer sur...
As viewed from application of the technoogy of producing high-pure manganes carbonate using poor manganese, ferrisulphas and ammonium hydrogen carbonate as raw material is introduced.
The alabandite and getchellite of hydrothermal origin, cement anatase of alkaline volcanic origin, and the high content of chlorite in coal were fist found in coals.
This essay based on research of basic data analyses the resources situation of Mn-ore in Gansu Province,specifies the characters of resources of polianite and main types of polianite.
" Conte di Minghetti" was merely a papal title--the wealth of Mary's husband flowed from his being ruler-owner of manganese deposits in southwestern Asia.
“Conte di Minghetti”只是教皇的头衔——玛丈夫的财富来自于他是亚洲西南部锰的统治者和所有者。
The USS Cyclops was sailing from Rio, loaded with 10,800 tons of Manganese ore, which was used for making munitions, but it never reached its destination in Baltimore, Maryland.