只有高氯酸盐表现有显著的感度和可能具有起爆性能.Only the perchlorate shows marked sensitiveness and possibly initiating properties.目的〕研究建立测定烟火药剂中高氯酸盐含量的方法.A method for determination of perchlorates content in pyrotechnic compositions was establ...
Objective To provide sectional anatomy mutuality parameter for maxillary sinus endoscopic fenestration.目的为上颌窦内窥镜开窗术提供相关断层解剖学参数.The opening in a bone made by surgical fenestration.小孔由外科内耳开窗术在骨上切割出的开口.Multiple aneurysms at...