采用近液相线半连续多模铸造法制备出 Y112 铝合金半固态坯料.Semi - solid slurry of Y 112 alloy was cast by near liquidus semi - continuous ( NLSC ).详细地介绍了寻找适合于此晶体生长的最佳助熔剂,并给出BaB_2O_ 4Κ—BaF_2,BaB_2O_ 4—BaCl _2和BaB_2O_4—BaB_2O_4·Na_2O等三种体系的液相线温度曲线和自发...
The energy content of fuels is directly related to the mass and not volume.与燃料的发热值直接有关的是质量而不是容积.Pope John Paul celebrated mass today in a city in central Poland.教皇保罗二世今天在波兰中部的一个城市主持了弥撒。There is a heterogeneous mass of pa...