查询词典 bauxite

At present, in order to meet the technological requirements of producing alumina by Bayer process, flotation is widely used in removing the silicate gangue minerals in bauxite.

目前广泛采用浮选脱硅的方法脱除其中的硅酸盐脉石矿物，以适应拜耳法生产氧化铝的工艺要求。

An activating roasting process of Chinese diasporic bauxite was tested by muffle to lower the digestion temperature in Bayer process.

利用马弗炉对我国一水硬铝石矿进行了活化焙烧的实验研究，以降低拜耳法溶出的温度。

When the bauxite was used to produce alumina with the simplest pure Bayer process, an unprecedented and best effect of digest has been obtained as the new additive of digest added. The major condition and effects of digest is listed here.

采用最简单的纯拜耳法处理一水硬铝石型A/S：5-7铝土矿生产氧化铝时，加入新型溶出添加剂获得了从未有过的最佳溶出效果，并列出了主要溶出条件和溶出效果。

They are all the products of in-place accumulation and short distance migration of bauxite floor's clay shale after weathering.

均为铝土矿底板的粘土页岩经风化后原地堆积或近距离搬运后的产物。

Coal-bearing area of 900 thousand square kilometers, the total reserves of 1.36 billion tons, bauxite reserves of more than 8700 million tons.

含煤面积90万平方公里，总储量为13.6亿吨，铝钒土储量为8700多万吨。

Alum earth,bauxite,bauxitic clay

铝矾土，铝铁粘土

The PSU has planned a total outlay of Rs 9453.66 crores in the 11th Plan for implementing various projects, which include 4.6 lakh TPY smelter, building port for alumina export and caustic soda import and capacity expansion of the alumina plant to 2.1 MMTPY besides mining 6.3 MMTPY bauxite, he said.

公司在11个五年发展计划中共拨945.366亿卢比开展各种项目，其中包括年产46万吨的冶炼厂、为氧化铝出口和苛性钠进口而建的港口及将氧化铝精炼厂产能提升至210万吨及开采每年630万吨铝土矿等。

The ground floor there are oil, natural gas, coal, geothermal, limestone, dolomite, hard iron bauxite and other mineral resources, rich reserves, the exploitation of high value.

地下蕴藏着石油、天然气、煤炭、地热、石灰岩、白云石、硬铁矾土等矿产资源，储量丰富，具有较高的开采价值。

Results show that the mullite grogs can be gained by the method at 1700℃ as long as the control of the chemical composition of ingredients(content of Al2O3 and ratio of Al2O3/ SiO2 ,etc.) with apparent porosity＜2.5% and bulk density≥2.75g/cm3; the heating process can be divided three stages, which are formation of primary mullite, secondary mullitization stage and liquid phase sintering stage.Key words bauxite, coal gangue, mullite grogs

结果表明，只要控制好混合料的化学组成（Al2O3含量、Al2O3/SiO2比等），就可采用此工艺制备出莫来石料，其烧结温度为1700℃，所得莫来石料的显气孔率大于2.5%、体积密度大于或等于2.75g/cm3；加热过程可分为一次莫来石形成、二次莫来石化和液相烧结3个阶段。

Proved metal, more than 30 species of non-metallic minerals, mining more than 100 points, mainly coal, iron, copper, molybdenum, sulfur, phosphorus, dolomite, quartz, crystal, yellow iron, mica, bauxite, gravel, marble, granite and so on.

已探明的金属、非金属矿30余种，矿点100多个，主要有煤、铁、铜、钼、硫、磷、白云石、石英石、水晶、黄铁、云母、铝矾土、砂石、大理石、花岗石等。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了