Result is microporosity, second - phase precipitation and inclusions of intermetallic or nonmetallic compounds.结果导致微孔 、 再生相沉淀和金属和非金属成分混杂.Intermetallic compounds possess many attractive properties for potential high tempe...
The Sahara Desert is arid.撒哈拉沙漠非常干燥.A petroglyph emerges from the Sahara Desert.这是撒哈拉大沙漠里的一块岩石画。The Sahara Desert is a natural barrier between North and Central Africa.撒哈拉沙漠是北非与中非之间的天然屏障....
硅灰石在烧结焊剂中的应用研究.Study on Application of Wollastonite in Sintered Welding Flux.随硅灰石填充量的增加, 硅灰石填充聚丙烯材料的拉伸强度稍有下降.With the increasing of the filling amount, PP tensile strength decreases slightly.封面故事: 硅灰石矿石中的稠密浸染状斑铜矿.Cover S...