Metallogenic evolution of Tuokuzibayi gold deposit in southern Altay,north Xinjiang:Evidence from characteristics of quartz vein systems,isotopic geochemistry and Ar-Ar chronology;
新疆阿尔泰南缘托库孜巴依金矿成矿演化:石英脉系、同位素地球化学及其Ar-Ar年代学证据
The whole copper and gold orebodies are constituted by 4 fracture structures which control the mineral vein system.
整个北山铜金矿体由 4个控制矿脉系的断裂构造组合构成 ,主断裂控制主矿脉、支断裂控制支矿脉、羽断裂控制羽矿脉 ,它们之间为浸染状矿化。
Intra-arterial thrombolysis in 28 patients with acute internal carotid circulation infarction;
28例颈内动脉系统急性脑梗塞动脉溶栓治疗
Objective To observe the fetal blood flow changes in the liver portal vein system by color ultrasound Doppler.
目的应用多普勒超声监测胎儿时期肝内门脉系统的血流参数。