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fluorspar造句
1. Feldspar; leucite; nepheline and nepheline syenite; fluorspar. 2. The fluorspar resources report of investigation has completed, and we are seeking for partners. 3. Refining is achieved by the addition of lime, fluorspar and iron oxide to the melted steel. 4. And our chief Mineral products are acid-grade fluorspar powder, metallurgical grade fluorite ore block, fluorspar lump, calcium fluoride, ect. 5. The fluorspar is mainly used in chemical industry, as main raw material to produce anhydrous hydrofluoric acid and as the basic raw material of fluoration chemistry. 6. Chemical analysis and testing; Fluorspar; Volumetric analysis; Fluorides; Calcium inorganic compounds; Determination of content. 7. Other materials affected by Tuesday's ruling include fluorspar, magnesium, manganese, silicon carbide, silicon metal and yellow phosphorus. 8. The special trimming for the fluorspar in Hatch No.2 is up to our requirements demands . 9. It is released in non-coal mines, e. g. tin, iron, fluorspar, uranium. 10. Accuracy and precision of method meets requirements of commodity inspection and the proposed method has been applied to the inspection of the export fluorspar. 11. Metallic calcium also burns in fluorine gas, forming the fused fluoride, and occasionally minute crystals of fluorspar . 12. An AAS method for the determination of manganese in fluorspar was established for the inspection of export product. 13. 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. 14. The raw materials used in the production of perfluoropolyethers are a mineral ( fluorspar ) and methane. 15. The molten electrolyte bath consists principally of cryolite (sodium aluminum fluoride) plus some excess aluminum fluoride, 6 to 10 percent by weight of fluorspar and 2 to 5 percent aluminum oxide. 16. With powder sample being pressed into piece, a method for XRFA of fluorspar has been established on the basis of matrix corrections. The method proved to be rapid accurate and cheap. 17. The proposed method was fast, accurate, simple, and has been applied to determine silicon dioxide content in the fluorspar in the routine determination wi. 18. Basic electrode for the main component of skin medicine alkaline oxides, such as marble, fluorspar and so on.