明矾石
1.The alteration of quartz-dickitization and quartzalunitization has a relation to the sub-volcanic hydrothermalism and is controlled by the concentrated NW trending fault and fracture belt.
2.For thirty years, the institute has been engaged in geological prospecting for Alunite, illite, pyrite, bentonite, fluorite, phosphate rock,sericite etc, has completed and submitted more than 70 geological reports.
3.Theproduction an d requirement status of potassium sulfat e at home and abroad was introducedin brief.The advantage and disadvantage of mirabilite method，alunite co mprehensiveutilization method，Mannheim method and associated replacement method，which are beingused i n the production of potassium aulfate in China，are introduced and analyzedemphatically.The views on t he development of potassium sulfate industry in China areput foward by the author.
4.Mix 8 grams of alum with 7 grams of cream of tartar in a small amount of hot water.
5.This paper has summarized the researches on the application of such mineral materials as activated carbon, zeolite, montmorillonite, sepiolite, medical stone, palygorskite, aluminum oxide, sodium hydrate, alumen and nanomaterials as cigarette tip additives to the removal of harmful components in cigarette smoke in the last decades.
