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- Mine machinery develops mining industry future
- The history of industry of machinery of our country mine and development our country are having long history in metallic cutting respect. Ancient time machines stone qualitative, woodiness, bone and other metalloid implements are today the...
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- Characteristic of mercuric mine raw material
- Mercury is in nature is widespread, be in not only the crustal is having in of all kinds rock distributing extensively, and in the lithosphere external medium, air encircles hydrosphere biosphere is medium, medium widespread also presence,...
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- Chinese Selenium favour distributinging circumstance of resource of the Selenium
- Favour resource of the Selenium that use town is had distributing wide, reserves big, bury is shallow wait for a characteristic. Main ode puts selenium ore deposit at 2 alternate is cogongrass mouth group 2 paragraphs (silicon qualitative c...
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- Mineral crystal chemistry type
- Mineral chemical composition uses expression of crystal chemistry type commonly. It makes clear already mineral in the phyletic ﹑ amount of all sorts of chemical constituent, reflected the condition of atomic union again. Be like iron dolo...
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- Mineral definition
- Mineral the natural simple substance that shows by geological action place is formed or compound. They have relatively fixed chemical composition, the person that present solid state still has affirmatory internal composition; They are stab...
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- Distributing very wide hematite
- Of the Fe2O3 in nature coessential much elephant is varietal and foregone have two kinds, namely α - Fe2O3 and γ - Fe2O3. Former stable below natural condition, call hematite; Latter is inferior to α below natural condition - Fe2O3...
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- Do you know lime cliff?
- Lime cliff (the carbonate cliff that Limestone) is bases with calcite. Contain sometimes dolomite, clay mineral and drossy and mineral, have grey, ashen, ash black, yellow, shallow brown is red, red wait for color, hardness is general not q...
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