选矿

New progress has been got in dephosphorizing of Fe concentrates owing to the development of RA-31 and DA-18 with success. mineral processing ; refractory iron ores ; oolite ; high-phosphorus iron ores ; iron increasing and phosphorus reducing ; flotation reagents

根据鄂西铁矿石的特点进行了选矿药剂及相应的浮选和絮凝选矿工艺的研究，研制成功了RD-31捕收剂和DA-18选择性絮凝剂，采用磁选-脱泥-反浮选工艺流程，对武钢矿业公司科技处提供的鄂西铁矿混合矿样(WE-1样)进行

Guilin City hong zhong Machinery Factory is one of the most important enterprises in Guangxi ,which specialized in the development,design and production of the ore dressing machinery.

桂林市洪忠选矿设备机械厂是广西专业开发、设计、生产选矿机械的骨干企业。

The ore-dressing production process is a complex industry process, and cost control deals with many technique indices, so the cost control of ore- dressing production process is difficult to be implemented by the routine approaches.

目前国内许多选矿企业的主要产品价格已与国际市场价格接近，如何降低生产成本，提高市场竞争力，这是关系到选矿企业兴衰的重大问题。

The design idea of mineral processing simulation software based on sequential modular approach is described,which is applied to grinding-classification process in the ore dressing plant of some nonferrous smelting enterprises.

采用设计的选矿流程模拟软件，模拟某有色冶炼企业选矿厂的磨矿分级过程，得到了与实际吻合的模拟计算结果，说明所设计软件能较好地模拟实际选矿流程。

A discussion is made on the beneficiation processes for different types of phosphorite ores and the beneficiation results.

叙述了不同矿石类型的磷矿石选矿流程及选矿效果。

This paper studied systemically sericite processing and surface modification, achieved good concentrate index, recommended reasonable process flowsheet, which will pay part in developing sericite and economic development in Anhui Lujiang county.

本文对绢云母选矿、改性进行了较系统地研究，取得了较好的选矿指标，推荐了合理的工艺流程，对安徽庐江绢云母资源的开发利用和地方经济的发展具有促进作用。

Gravity beneficiation by the election ore mineral density difference method, in contemporary processing methods occupy important positions.

重力选矿是按矿物密度差分选矿石的方法，在当代选矿方法中占有重要地位。

The production process in mineral processing has played a good role, improve the beneficiation efficiency, by customers, the rapid development of science and technology in today's electronic devices with constant innovation, production capacity has been continuously strengthened, making the use of efficient equipment, long life, stable performance.

在选矿生产过程中起到了很好的作用，提高了选矿效率，受到了客户的好评，在科学技术发展日新月异的今天，随着电子器件不断的推陈出新，生产能力不断加强，使得设备使用效率高，寿命长，性能稳定。

On the base of the grade model of the No.100 ore-body, the mineral models of cassiterite, boulangerite, iroblende, arsenopyrite, pyrite and FeS1-x have been established.

从稳定选矿工艺，提高选矿技术经济指标的角度进行多方案的技术经济对比，选择最优矿体和最佳块段组合的开采方案，实现市场？

Various testings were conducted on the ore and the conclusions are as follows:Gold leaching rate is lower than 17% by all sliming cynidation;Gold leaching effect is poor by floatation and roasting cynidation;Bio preoxidizing cynidation and alkali soaking cynidation get the best results,the highest gold leading rate is up to 92 4%,and they are the effective meth...

通过各种选矿试验，该矿矿石用全泥氰化法金浸出率低于17％，浮选、焙烧氰化法浸出效果也不好，而用细菌预氧化、碱浸预氧化氰化法效果较好，金浸出率最高可达92.4％，是处理该类矿石较有效的选矿方法。

In her eyes, because that is the doorway toher heart * the place where love resides.

女人的漂亮必須從她的眼睛中去看，因為那是她心靈的窗戶和愛居住的地方

I will send some postcards to you.

我会向你发送一些明信片。