| 1. | Study on improving low grade iron concentrate
关于提高低品位铁精矿品位的研究 |
| 2. | Xrf online analytical system for concentrate grade and moisture
精矿品位及水分在线分析系统 |
| 3. | Study on improving the grade of iron concentrate in heishan iron mine
提高黑山铁矿精矿品位的研究 |
| 4. | Production practice of column flotation uplifting copper concentrate grade abroadly
浮选柱在国外提高铜精矿品位的生产实践 |
| 5. | Applying highly efficient benefication technology to improve and optimize the iron concentrate grade
采用高效选矿技术提高和优化铁精矿品位 |
| 6. | The technological design and production practice of technical transformation on improving the molybdenum concentrate grade
提高钼精矿品位技术改造工艺设计与生产实践 |
| 7. | When the crude ore contains copper 1 . 84 % , the technical indexes such as the grade of copper concentrate 22 . 37 % and the recovery 78 . 70 % are obtained by use of single - stage grinding , one time of roughing , three times of scavenging and two times of cleaning
当原矿含铜1 . 84 %时，经过一段磨矿、一次粗选、三次扫选和二次精选，获得铜精矿品位22 . 37 % 、铜回收率78 . 70 %的技术指标。 |
| 8. | Through reforming the technologic process of separation and using combined depressants , the cyanide - free separation of lead - zinc had been achieved successfully without the decreases of their recoveries and concentration grades , so as to increase the environmental profit
通过改造该选矿厂的工艺流程结构，并使用组合抑制剂，在不降低铅锌回收率和精矿品位的条件下，成功地实现了无氰铅锌分离，从而提高了环境效益。 |
| 9. | Means of spss search possible combination of dosage of huangyao and dosage of 2 # oil when the combination of grade of concentrate and recovery is better , which can be used to guide dosage of mineral procession so as to improve benefit of mineral procession
Spss的均值比较从选矿历史数据本身出发，寻找精矿品位和回收率达到某一较佳的组合时可能的黄药用量、 2 ~ #油用量的组合，用于指导选矿现场的药剂用量，以其提高选矿效益。 |
| 10. | On the basis of the statistical analysis of the annual production data of aoshan concentrator , the mathematical models for the relationship of the concentrate quality indexes ( concentration ratio , concentrate grade and recovery ) with run - of - mine ore grade and hourly throughput per unit were established and analysis of their relationship was made , which has a direct effect on guiding the concentrators production and ensuring the concontrate quality
通过对凹山选矿厂全年生产报表数据的统计分析，分别建立了精矿质量指标(选矿比、精矿品位、精矿回收率)与原矿品位、台时处理量之间的数学模型，并对其之间的相互关系作了分析，对指导凹山选矿厂生产、保证精矿质量有着直接的指导作用。 |
