Some basic theories on the optimum design of refractory ore digestion equipment were investigated.
文中就难浸出矿石最佳浸出设备的设计等基础理论进行了研究。
Copper-bearing colloidal pyrite ore is a refractory ore. The metallurgical performances of copper flotation are very low.
含铜胶状黄铁矿矿石是十分难选的矿石，铜浮选指标很低。
This paper makes use the original system of pretreating refractory ore by hot-press oxidation to extract gold by cyanide process.
通过试验研究，提出了利用难处理矿石的热压氧化预处理的原有体系直接进行氰化提金的新工艺。
Manganese ore resources are rich in China, yet with fewer rich ores but more low-grade ores, complex ores and fine refractory ores. rich ore resources are in critical shortage presently.
在我国，锰矿资源虽然十分丰富，但富矿少，贫矿、复杂矿和细粒难选矿多，富矿资源目前严重短缺。
Based on characteristic of refractory oxide zinc ore, the kinetics and reactive mechanism of ammonium leaching have been studied.
针对难选氧化锌矿的特点，对氧化锌矿的氨浸动力学和反应机制进行了研究。
Greece has been producing refractory grade chromite ore for more than a hundred years.
希腊生产耐火级铬铁矿石已有百余年历史。
The mineral processing flowsheet and reagent system were investigated and adjusted for a fine refractory lead-zinc ore.
针对某细粒难选铅锌矿，进行了合理的选矿工艺和新药剂制度研究。
The experimental results of column leaching of gold from As bearing refractory gold ore in Luerba by bacterial oxidation are described.
介绍了鹿儿坝含砷难浸金矿石细菌氧化柱浸试验研究结果。
Extensive attentions have been attracted to the extraction of gold from refractory gold ore at abroad.
随着金矿的普遍开采应用，从难浸金矿石中提取金越来越引起国内外的广泛重视。
Tangdan copper ore in Yunnan province is a typical refractory copper oxide ore with high content of calcium and magnesium in China and the world.
云南东川汤丹氧化铜矿，是非常典型的高钙镁低品位难处理氧化铜矿。
The process flowsheet is simple, and shows good suitability. It is a successful example for processing of refractory hematite ore.
该工艺结构简单，适应性强，是选别难选赤铁矿较为成功的实例。
The leaching mechanism of niobium from a refractory niobium-tantalum ore by concentrated potassium hydroxide was studied.
实验研究了难分解铌钽矿在高浓度氢氧化钾溶液中浸出过程的机理。
The basic principle, character, research and application situation of pretreatment technology of refractory gold ore are summarized in this paper.
综述了难处理金矿石预处理工艺的基本原理、特点和国内外研究与应用状况。
For a certain refractory Cu-Zn ore, a new process of bulk flotation-oxidizing roasting-selective leaching-Cu-Zn electrowinning is proposed.
针对某难分选的铜锌矿石，提出一种混合浮选—氧化焙烧—选择性浸出—铜、锌电积选冶联合新工艺。
The experiment proved that carbon precipitation does have certain effect on iron ore degredation and refractory.
新生铁的触媒作用。实验证明析碳对矿物粉化及耐火材料都有一定作用。
The nature of a refractory gold ore in Guizhou was introduced. The technology for recovering gold from the ores was proposed.
针对贵州某难浸金矿的矿石性质，确定采用原矿焙烧—氰化提金工艺。
Focus on the peculiarities of refractory gold ore containing rich arsenic and rich sulphur in Jiangxi gold mines, the paper propose a new method and technology of acidic aqueous chlorination of gold.
针对江西高砷高硫难浸金矿石的特点，提出了酸性水溶液氯化提金的新方法与工艺。
Bacterial pre-oxidation refractory gold ore has showed many advantages, such as low operation cost and environment friendly.
细菌氧化预处理难浸金矿由于其环境友好成本较低，受到越来越多的重视。
The present status of application and research on pretreatment of refractory gold ore with ultra fine grinding is briefly introduced in this paper.
简述了超细磨预处理难浸金矿石的应用研究现状。
The research results of cyanide leaching of goad using two stage roasting pretreatment for Zhenyuan refractory gold ore were described in this paper.
本文介绍了对镇源难处理金矿采用二步焙烧预处理工艺氰化提金的研究结果。
Base on studying of properties of the refractory copper ore and a large number of particular tests, the suitable mineral processing flowsheet has been defined.
在研究矿石性质的基础上，通过大量、详细的试验，确定了与该矿相适宜的选别工艺流程。
A new process called ore blending-KOH molten salt decomposition-water leaching was first put forward for the processing of a low-grade refractory tantalum-niobium ore.
首次提出采用“配矿-koh熔盐分解-水浸出”的新工艺来处理低品位、难分解钽铌矿。
Primary gold ore from Bangi, Guizhou, belongs to a clastic-type, finely disseminated, refractory particles. It is difficult to extract gold from the ore by cyanide infusing.
贵州板其原生金矿石属碎屑岩类微细浸染型难选冶矿石，在氰化浸出之前需进行预处理。
Anshan Xiaolingzi iron ore belongs to the sedimentary metamorphic iron deposits with characteristics of fine iron minerals and low magnetic rate, and it is a refractory iron ore.
鞍山小岭子铁矿系沉积变质矿床，铁矿物嵌布粒度细，磁性率低，属较难选铁矿。
The test result provides a new line of thought for the exploitation and utilization of refractory iron ore resources.
试验结果为难选铁矿资源的开发利用提供了新的思路。
The flocculation desliming-reverse flotation flowsheet is compatible with the characteristics of Donganshan refractory iron ore.
絮凝脱泥-反浮选流程适应东鞍山难选矿石特性。
The features and problems of refractory As-C bearing gold ore reserves, as well as the situation of treatment technology are discussed in this paper.
论述了含砷碳型微细粒金矿资源特点和难处理原因，国内外处理技术现状。
Reasons hard to leach for refractory gold ore are analyzed. Pretreatment by oxidation method can obtain good results.
分析难处理金矿难浸的原因，指出该类金矿浸出前必须进行预先氧化，才能取得理想的浸出效果。
Reasons hard to leach for refractory gold ore are analyzed. Pretreatment by oxidation method can obtain good results.
分析难处理金矿难浸的原因，指出该类金矿浸出前必须进行预先氧化，才能取得理想的浸出效果。
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