baobeiguai25's Profile

Member since January 2012

Top Documents

  • Gold Manufacturing Process And Machines Needed

    Gold is a precious metal mined to create practical and ornamental pieces of work. Refined gold ore can be melted, poured and cast into almost any shape to make jewelry. There are numerous industrial applications for gold, as well. Many electronics and medical devices rely on gold's ability to conduc...

    Contributed on March 14, 2012
  • Science And Technology Advancement Is Sufficient And...

    That people live and work in peace and contentment can not be realized without a country’s prosperity, a nation’s prosperity and people’s strength can not come true without economic development and economic advancement can not go without development of science and technology, and it will promo...

    Contributed on February 12, 2012
  • Classifications Of Crushing And Grinding Process

    Estimates vary, but it is generally accepted that of all the energy used in the World something like between 1 and 10%is in comminuting, i.e. the processes of crushing, grinding, milling, micronising, etc. Changing the size of the particles by crushing creates many important industrial products. An ...

    Contributed on March 14, 2012
  • Concrete Mill Machine Used For Ore Crushing

    Concrete from roads, pavements, airfield runways, buildings, and other sources can be crushed for reuse. After crushing, magnets remove the steel rebar and the resulting aggregates are screened according to planned use. The crushed concrete produces hard, granular aggregates composed of inert minera...

    Contributed on March 14, 2012
  • New Lubrication System Developed For Grinding Mill

    The grinding roller and the grinding ring are the easily wear parts in the grinding machine, meanwhile they are also the important working parts. Why do they easily wear? The main reason is that the bearings wear seriously, there are many reasons lead to the problem; however the main factor is that ...

    Contributed on March 14, 2012
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