According to petrologic analysis of 18 samples of altered rock, phlogopite rock , with regard to its B 2O 3 content, it is generally restricted to the outside of the ore bed, having certain ties with the boron minerlization while no ties are found in altered rock of the same type associated with veins of diorite porphyrite.

其中金云母巖多分布在含礦層外帶欧美美女在线看，通過對(duì) 1 8件金云母巖樣品中B2 O3含量分析AAA黄色片段视频，表明正常蝕變巖中的金云母巖與硼礦有一定的關(guān)系国产乱伦视频网址，而由閃長(zhǎng)玢巖脈體侵入影響下形成的金云母巖則與礦化無關(guān)。

By prereducing ore in static bed and final reducing in ore furnace stimulating the process of smelting reduetion with iron bath, the feature and mechanism for the corrosion of Al2O3-C-TiO2 and Al2O3-C-TiC refractories are studied,the influence of composition and characteristics of the melt on the corrosion of refractories and the changes of microstructure and phase composition of refractories are also analyzed.

模擬鐵浴式熔融還原工藝日韩系列在线精品视频免费观看网站，采用固定床預(yù)還原法對(duì)鐵礦石進(jìn)行預(yù)還原、在礦熱電爐上進(jìn)行終還原熔煉試驗(yàn)国产在线观看精品一区二区三区91，研究和測(cè)試了Al2O3-C-TiC質(zhì)耐火材料的侵蝕特征和侵蝕機(jī)理亚洲日日日日，分析了熔體組成與性質(zhì)對(duì)耐火材料侵蝕過程的影響及熔體侵蝕過程中耐火材料的物相組成和結(jié)構(gòu)變化規(guī)律。

It was found that the PGEs were enriched to ore bed by early magmatic segregation.

結(jié)果證實(shí)人人视频可以看毛片?，鉑族元素傾向于巖漿分離結(jié)晶早期富集成礦欧美性爱电影在线。

Effect of coal as additive reducing agent on pr eventing sticking in a fluidized bed for iron ore reduction was investigated.

介紹了鐵礦石還原流化床中混入煤粉對(duì)粘結(jié)失流現(xiàn)象的抑制作用。

Effect of coal as additive reducing agent on pr eventing sticking in a fluidized bed for iron ore reduction was investigated.

摘 要：介紹了鐵礦石還原流化床中混入煤粉對(duì)粘結(jié)失流現(xiàn)象的抑制作用综合网久。

ore bed：礦層

ore bearing 含礦的 | ore bed 礦層 | ore bin 礦倉(cāng)

ore bed：礦床

ore deposit 礦床 | ore bed 礦床 | ore 礦石

iron ore bed：鐵礦層

鐵礦 iron ore | 鐵礦層 iron ore bed | 鐵礦床 iron ore deposit

ore bed; ore deposit：礦床

"礦石","ore" | "礦床","ore bed; ore deposit" | "礦浮選","ore flotation"