ore core

Magmatic intrusion center and mineralization center of Qulong porphyry Cu-Mo deposit in Tibet:Evidence from fissure-veinlets and mineralization intensity;

冈底斯驱龙斑岩铜钼矿床的岩浆侵位中心和矿化中心:破裂裂隙和矿化强度证据

Based on the discussion on ore bodies, ore minerals and major elements, combined with metallogenic spatial variation of metallogenic physical-chemical condition, this paper has inferred the mineralization center of Dajing mining district.

讨论一个大井矿床、矿体、矿物及元素的空间分带性 ,结合对成矿流体物理化学条件空间变化的研究 ,推断了大井矿区矿化中心。

The experimental research of the useful power of centrifugal mill;

离心磨矿机有用功率的试验研究

Based on the mass conservation law, the paper analyzes and studies the working characteristic of a centrifugal mill, establishes the size distribution model of the batching product of the mill, and analyzes and discusses the general solution of the modes, in other word, forecasts the size distribution of the product.

根据质量守恒理论分析研究了离心磨矿机的碎矿特点，建立了离心磨矿机分批产品料度分布模型。

According to the mineral breaking features of centrifugal mill and the grading relation between different mediums,the authors have performed an experimental research on the optimum graduation of the breaking medium by the method of orthogonal analysis.

针对离心磨矿机的碎矿特点 ,按不同的介质级配关系 ,采用正交分析的方法 ,对破碎介质的“最佳级配”进行试验研究 。

In the Niuxinshan ore block of Huajian gold deposit region,gold ore body is divided into two types of altered rock and quartz vein.

铧尖金矿牛心山矿段,金矿化(体)分为蚀变岩型和石英脉型两种。