Analysis on Sickness Status of 1149 Aviators during Recuperation.飞行员1149例疗养期间患病情况分析.Objective Study of scientific basis and professional category on health convalescence of the aviators.目的探讨空勤人员保健疗养的科学依据与业务范畴.Yacht and p...
这种材料是一种叫做镓锰砷化物的东东.The material is a semiconductor called gallium manganese arsenide.实验发现气凝法生成的氮化镓奈米微粒以均匀的圆球形分布.The NC GaN has a uniform size distribution and spherical shape.实验结果于印刷电路板 、 低温共烧陶瓷 、 与单晶砷化镓基板上实现.Experiments ...