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(31) This is one part of the process study of preparation Aluminium from bauxite direct reduction by halide at the condition of vacuum, the subject study is patronized by nature fund of YunNan province.

(32) Application of synthesized EDS spectra to the differentiation of minerals in bauxite.

(33) Yunnan Province is rich in aluminium mineral resources. Main minerals products can be divided into two types. That is, sedimentary bauxite and nepheline syenite.

(34) For production of alumina by alkaline process, silicon in bauxite is the most harmful impurity.

(35) U.S. officials said the nine materials covered by their case were bauxite, coke, fluorspar, magnesium, manganese, silicon carbide, silicon metal, yellow phosphorus and zinc.

(36) Industry: petroleum, diamonds, iron ore, phosphates, feldspar, bauxite, uranium,[www.Sentencedict.com] gold.

(37) There are bauxite mining.

(38) The Bed G bauxite of Shanxi massif, a paleoresiduum bauxite underlying Bangou Formation of Upper Carboniferous, occurs on the fossil erosion surface of Middle Ordovician of Upper Cambrian.

(39) The frequent bucket falling accidents of aerial ropeway haulage in Xiaoyi Bauxite Mine greatly influence the ore delivery to Shanxi Aluminum Works.

(40) Using magnesia clinker and bauxite as raw material, by adding the appropriate amount binder, you can get a better effect of barrel lining.

(41) Shanxi province bauxite, electric power is resourceful, the condition that develops aluminous industry is advantaged.

(42) It has been shown that the metallogenic parent rocks for primary bauxite are Maokou Formation limestone of lower Permian period, and partially added by old weathered materials.

(43) Drum washer is one of main washing equipments in Pingguo Bauxite Mine.

(44) Aluminum product using raw bauxite of bayerite was imported from overseas in our country from last century, and the scale of production was continually expanded in recent years.

(45) Township enterprises have a cast iron products, such as bauxite.

(46) The present situation of Chinese bauxite resource and alumina industry is reviewed.

(47) Test and use of pre - cast phosphate bauxite ring applied to boiling chloridizing furnace are introduced.

(48) Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China.

(49) Each of Alcan's four business groups — Bauxite and Alumina, Primary Metal, Engineered Products and Packaging — holds strong market positions in the Americas, Europe and Asia.

(50) Cordierite ceramics is manufactured by using the fire clay, bauxite and talc as raw materials. It's microstructure and properties, in especial the resistance to thermal shock are studied.

(51) The Carboniferous bauxite deposits in the western Henan Province occur on the planation paleosurface and was deposited in epicontinental seas or lakes of the North China Block.

(52) The relatively high energy consumption in alumina production is all according the characteristics of bauxite resources.

(53) The seven leading bauxite exporters formed the International Bauxite Association.

(54) And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits.

(55) Using bauxite, clay, mullite as main raw material, and adding some amount of sillimanite , andalusite and kyanite, honeycomb ceramic was prepared by extrusion method.

(56) By analyzing its grindability, the study bases on the digestion performance of black bauxite to find out the optimum condition so as to provide theoretical basis for production.

(57) The barium aluminate's combinative ways and combinative mechanism with high grade bauxite instead of aluminium hydroxide is investigated.

(58) It gives out the mass balance, the theoretical basis of bauxite mineral calculation.

(59) The high - sulfur bauxite was pretreated in muffle furnace, rotary tube furnace and fluidized bed.

(60) Venezuela's oil and gas, Brazil Plateau iron, manganese, natural crystal, Guyana plateau north-eastern part of Suriname's bauxite Andes copper, saltpeter, such as justice.