It is shown that on a small (200 km2) massif area two extensive groups of metallic (Cr, Ni, Cu, Au, Ag, Pt, Pd, Ru, Os, Ir) and non-metallic (diamond, nephrite, jewelry and ornamental rodingites, chrysolite...
目的:克隆并表达中国莱姆病螺旋体基因型代表菌株伽氏疏螺旋体( Borrelia garinii, B. garinii)PD91外膜蛋白A(OspA)的126~274 aa肽段,并对其免疫保护性进行初步研究。 方法:采用聚合酶链反应(PCR)扩增 B. garinii PD91的126~274 aa Osp...
supported by the National Basic Research Program of China (No.2013CB733002)
The random variables are always truncated in aerospace engineering and the truncated distribution is more feasible and effective for the random variables due to the limited samples available.For high-reliability aeros...