1.
The Necessity of Utilizing Mid-and Low-grade Phosphate Rock Resources in Yunnan Province;
云南中低品位磷矿资源利用的必要性
2.
Research progress of phosphate resource processing:3.Study on the passivation of iron and aluminum impurities in medium and low grade phosphate rock
磷矿资源加工研究进展:3.对低品位磷矿中高铁铝杂质的钝化
3.
Exploration on flotation technology for medium and low grade phosphate rock
我公司中低品位磷矿采用的浮选技术
4.
Kinetics of Low-grade Phosphate Ores Under the Variable Concentration of Phosphoric Acid
低品位磷矿在变浓度磷酸中酸解动力学
5.
Preliminary Study on the Grinding of Medium and Low Grade Rare-earth Containing Phosphate Ore from Zhijin,Guizhou
贵州织金中低品位含稀土磷矿石磨矿试验研究
6.
The Construction of Xiang-tan Phosphate Rock Company Using Low Grade Phosphate Rock to Produce Humidity Method Phosphate
湘潭磷矿利用低品位磷矿生产湿法磷酸工程
7.
Exploitation of Low-grade Gold Mineral Resources at Zijinshan Gold Mine;
紫金山金矿低品位金矿资源的开发利用
8.
Exploiation and Utilization of Yunnan’s Medium and Low Grade Phosphorus Ores;
云南中低品位磷矿开发利用与问题探讨
9.
Present status and prospects for floatation industry of Yunnan medium and low grade phosphorite
云南中低品位磷矿浮选工业化现状及展望
10.
Extraction and utilization of the low-grade ore and construction of ecological environment in sustainable development of Zijinshan Gold Mine;
紫金山金矿可持续发展中低品位资源开发利用和生态环境建设
11.
Study of producing industrial phosphoric acid with middle-low grade phosphate rock byvertical kiln method
立窑法利用中低品位磷矿石生产工业磷酸的研究
12.
Development & practical use of technology of low-grade iron ore resource utilization
低品位铁矿资源利用技术的发展与实践
13.
Study of Factors Influencing Leaching of Low-grade Phosphate Ore with Acidithiobacillus;
硫杆菌浸出低品位磷矿的影响因素研究
14.
Research on Cultivation of Acidithiobacillus Strains by Microwave Mutagenesis for Bioleaching of Low-grade Phosphate Ore
微波诱变选育优良硫杆菌浸出低品位磷矿
15.
Experimental Research on the for Iron Concentration Technology for a Low Grade Vanadiferous Titanomagnetite Ore with High Phosphorus
某低品位高磷钒钛磁铁矿选铁试验研究
16.
But they sold high-grade resources to big investors and stopped prospecting, leaving low-grade gold ore unused.
他们常常把高品位的资源卖给大投资商，却置低品位的金矿石而不顾，让它荒弃掉。
17.
Study on the New Process and the Kinetics of Low-grade Phosphate Ores for WPA Production;
利用低品位磷矿生产湿法磷酸的新工艺及动力学研究
18.
STUDY ON PRESSURE LEACHING OF MIDDLING FROM FLOATATION PROCESS OF LOW-GRADE NICKEL SULFIDE ORE
低品位硫化镍矿选矿中矿加压浸出试验研究