Did equilibration take place before or after setting of chromite and silicates?究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?The chromite deposits in the Muskox Complex occur only in feldspathic peridotite.在穆斯科克斯杂岩体中,铬铁矿矿层仅产于长石质橄榄岩中.Knowle...
本文介绍了以氟硅酸钠、纯碱为原料生产晶体氟化钠的工艺,并对操作条件作了详细的说明.A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced.在2008年6月2日, 氟化钠被自?成为新条目候选之候选条目.At 2 June, 2008, Sodium Fluoride was recom...
In 1923, Soviet - American plot Ziwa Li Jin Faming static storage type camera tube.1923年, 美籍苏联人兹瓦里金发明静电积贮式摄像管.Aiguille , friendly friend , Jin Zhizhu is time report calculates country's biggest money software busine...
有许多学者把优势度类型叫做“群丛 ”.Many authors have used the term'association'for dominance - type.将优势度类型归成更大的单位可以有多条途径.There are a number of ways these dominance - types may be grouped into broader units.表明巨桉人工林土壤动物群落优势度明显,分...