浮选

The flotation behavior of marmatite and arsenopyrite and the effects of Cu2 and organic depressant PALA on their floatability were studied.

通过浮选试验研究铁闪锌矿和毒砂在丁黄药作用下的浮选行为，以及Cu(上标 2+)和有机抑制剂PALA对它们可浮性的影响。

The flotation behavior of marmatite and arsenopyrite and the effects of Cu2+and organic depressant PALA on their floatability were studied.

摘 要：通过浮选试验研究铁闪锌矿和毒砂在丁黄药作用下的浮选行为，以及Cu2+和有机抑制剂PALA对它们可浮性的影响。

Carefully study the quantitative relations of flotation knowledge from a large number of on-the-spot experiments, give the quantitative relations of fluorspar and sodium augite ore separately and use these relations as the foundation of adjusting technological regulation, define the technical and economical indexes of concentration plant, give the basic task and the structure of FICS based on ANN.

通过大量的现场试验，对浮选知识的定量关系进行了详细研究，分别得出萤石型和钠辉石型矿石知识的定量关系，并以此关系作为工艺调节措施的依据之一；确定了选矿厂的技术经济指标及包钢选矿厂的选别指标；给出了基于人工神经网络的浮选智能咨询系统的根本任务和基本结构。

The beheviour of four low-molecule weight organic acid lactic acid,hydroxy-acetic acid,mercapto-acetic acid,glyconic acid as iron-containing silicate-aegirines depressants on the hematite direct flotation is investigated in this paper.The results of flota

本文研究了四种小分子有机酸抑制剂乳酸、羟基乙酸、巯基乙酸、葡糖酸在赤铁矿正浮选中对含铁硅酸盐脉石霓石的抑制行为，纯矿物、人工混合矿与实际矿石浮选实验均证明了它们具有良好的选择性抑制作用，可以成功地实现赤铁矿与霓石的浮选分离。

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

The new criterion of minimum principle of absolute harness for flotation reagents put forth The new criterion of minimum principle of absolute hardness for flotation reagents has been studied.

进行了银矿物的浮选研究天然的Ag〓S、Ag及合成的银浸染闪锌矿、AgCl、Ag〓SO〓、Ag〓O的单矿物浮选实验表明，这些矿物在pH≤5.5都具有很好的可浮性。

In the industrial test of sylvite flotation,the system helps to fulfill the steady operation of flotation machine and selective targets effectively.

在钾盐浮选的工业试验中，有效地保障了浮选机的稳定运转和选别指标的完成。

Research of minerals processing experiment suggested a flotation flowsheet,which consists of selective flotation of molybdenum sulfide using kerosene as collector,sodium-silicate as dispersant of slimes,then flotation of molybdenum oxide using modified sodium-silicate as depressant of gangue,Rt as collector.

研究表明，以水玻璃为矿泥分散剂、煤油为捕收剂浮选硫化矿，以改性水玻璃为脉石抑制剂、RT为氧化钼矿捕收剂优先浮选硫化矿再浮氧化矿，可从含Mo 0.34%原矿中，获得品位46.41%的硫化钼精矿，品位27.65%的氧化钼精矿；钼总回收率78.01%。

The main business cleaning table, the coal jig, the spiral chute, the flotation machine, the spiral sorting machine, the ball mill, the stirring chest, the feeding engine, for the ore machine, the shaker, the breaker, the sand pump, the magnetic ore separator, the water power sorting machine, the water power cyclone, hits the granulated substance machine, the laboratory sand pump, the laboratory table, the laboratory spiral chute, the laboratory flotation machine, the laboratory ball mill, the laboratory breaker, the laboratory magnetic ore separator, the laboratory adjusts the stuffchest, the grinder, products and so on vacuumfilter, in addition may make to order each kind of model according to the customer request the dressing mechanical device.

主营选矿摇床，跳汰机，螺旋溜槽，浮选机，螺旋分级机，球磨机，搅拌槽，给料机，给矿机，振动筛，破碎机，砂泵，磁选机，水力分级机，水力旋流器，打砂机，实验室砂泵，实验室摇床，实验室螺旋溜槽，实验室浮选机，实验室球磨机，实验室破碎机，实验室磁选机，实验室调浆桶，研磨机，真空过滤机等产品，另可根据客户要求定做各种型号的选矿机械设备。

The results show that:(1) there are effects of magnetic treatment on mineral flotation. Using oleic acid as collecting agent, magnetic treatment makes hematite productivity raise, and quartz productivity drop.

此外，利用磁化处理来改变水的性质进而改善浮选效果，有助于了解液相性质的变化对矿物可浮性的影响，从而更深刻更全面地认识和掌握浮选过程的基本规律。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。