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一次粗选
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  one roughing
     In the situation of TiO_2 grade 16. 61% in the smelting iron slag, if only one roughing, the rough concentrate containing about 26% TiO_2 with a recovery of 60~66% can be obtained .
     在原矿含TiO_216.61%的情况下,采用一次粗选的流程后,得到了TiO_2品位在26%左右,回收率为60~66%的粗精矿指标。
短句来源
     The closed flotation test composed of one roughing and two cleanings for separating iron from silicate obtained an iron concentrate with a grade of 61.42%,K 2O+Na 2O content of only 0.27% and iron recovery of up to 69.02% in flotation .
     以聚合硅酸胶体组合抑制剂进行硅铁浮选分离 ,经过一次粗选、两次精选闭路浮选试验 ,获得铁精矿品位 6 1 42 %、K2 O +Na2 O含量只有 0 2 7% ,铁的作业回收率达 6 9 0 2 %
短句来源
     The application of the technology of flotation in weak acidic medium,which consists of one roughing,one scavenging and five cleanings has abtained a low silica fluorite concentrate with a CaF 2 content of 99.08%,SiO 2 content of 0.62% and a recovery of 86.55%.
     通过采用一次粗选、一次扫选、五次精选、弱酸性介质精选的浮选工艺 ,获得含CaF2 99.0 8%、SiO2 0 .6 2 %、回收率为 86 5 5 %的低硅萤石精矿
短句来源
     In separating tailing slimes containing stromite and manganocalcite,a manganese concentrate assaying 21.23% Mn with a recovery of 63.47% was obtained from a raw material containing 11.30% Mn through one roughing and cleaning respectively.
     用以选别含菱锰矿,锰方解石的现场尾泥,经一次粗选一次精选,可从含MnO_211.30%的原料中得到品位为21.23%回收率为63.47%的锰精矿;
短句来源
     The ore sample tested was the tail of Pan-Zhi-Huan vanadic titanomagnetite after magneticseparation and froth flotation of the sulfides,with particle size minus 0.315mm and TiO_2 content 17.5-18%. A high-grade concentrate of 47.7% TiO_2 with a 67% recovery was abtained in a open circuit flotation (one roughing and two cleaning operation), using solely sulfuric acid as pH regulator.
     对浮选攀枝花钒钛磁铁矿的磁选—浮硫化物后的尾矿—即试料(粒度为—0.315毫米、含TiO_2为17.5—18%),除用硫酸调整pH外,在不需添加其他调整剂的情况下,经一次粗选二次精选就可获得含TiO_247.7%、收率为67%(开路试验)的高品位钛精矿。
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  “一次粗选”译为未确定词的双语例句
     Under condition of ore grinding fineness of -200 mesh 73.5% , with sulfuric acid as inhibiting agent and TS as collector, the primary rougher - secondary cleaner circuit was used for the reverse flotation of phosphorus ore from a mine in Guizhou, with the result of P2O5 concentrate grading at 37% and MgO concentrate grading at 0.5% as well as recovery of P2O5 being up to 91.39%.
     在磨矿细度为-200目73.5%的条件下,以硫酸作抑制剂、TS作捕收剂,采用一次粗选、二次精选的流程反浮选贵州某地的磷矿,获得精矿P2O5品位37%,MgO0.5%,P2O5回收率为91.39%的指标。
短句来源
     Recovery (Al2O3) of the product in the tank amounts to 75.03% , A/S 10.66.
     经过一次粗选、一次精选,槽内产品实现回收率(以Al2O3计)75.03%,铝硅比10.66。
短句来源
     The result of tests show that the grade of copper concentrate and the copper recovery are 18.04% and 45.60% by adopting a circuit of one rough floatation,one scavenger and one concentrating.
     试验结果表明,采用一次粗选、一次扫选和一次精选的浮选流程,可获得铜精矿品位为18.04%、回收率为45.60%的浮选指标。
短句来源
     A ore containing CaF2 74. 48% being treated with closed-circuit process consisting of once. roughing,twice scavenging and fourfold concentraiting,the got concentrate contains CaF298. 64%,SiO20. 43 %, - 100 mesh 97 %. The recovery is 94%.
     原矿CaF2含量74.48%,经一次 粗选、二次扫选、四次精选的闭路流程处理,可得含CaF2 98.64%、SiO20.43%、一100目97%的精矿 产品,回收率达94%。
短句来源
     The application of the technology of flotation in alkalescence medium,which consist of one coughing,seven cleanings has abstained fluorite concentrate with CaF2 of 94.60%、SiO2 content of 4.20%% and recovery of 76.82%.
     通过采用一次粗选、七次精选、碱性介质精选的浮选工艺,获得含CaF294.60%、SiO24.20%,回收率为76.82%的冶金级萤石精矿。
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  相似匹配句对
     The First
     第
短句来源
     first time
     第……
短句来源
     L-1;
     L’.
短句来源
     L~(-1).
     Ll。
短句来源
     The secondary stage one roughing,two scavenging, three cleaning.
     二段粗选、二扫选、三精选;
短句来源
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  one roughing
Also, there was a problem with one turbo pump and one roughing pump which were replaced by FISONS.
      


To provide an optimal industrial prototype for the extension project of the Tiekeng Iron Mine, a wet high-intensity magnetic separator of type SQC-6-2770 for concentrating weakly magnetic minerals has been newly developed by the joint efforts of the Jiangxi Nonferrous Metallurgy Research Institute, the Tiekeng Iron Mine and the Ganzhou Metallurgy Machinery Repair and Manufacture Plant. The result of the industrial test of the prototype at the Mine's concentrator was satisfactory. A limonite ore sample assaying...

To provide an optimal industrial prototype for the extension project of the Tiekeng Iron Mine, a wet high-intensity magnetic separator of type SQC-6-2770 for concentrating weakly magnetic minerals has been newly developed by the joint efforts of the Jiangxi Nonferrous Metallurgy Research Institute, the Tiekeng Iron Mine and the Ganzhou Metallurgy Machinery Repair and Manufacture Plant. The result of the industrial test of the prototype at the Mine's concentrator was satisfactory. A limonite ore sample assaying 34.45 percent Fe taken from the mine gave a concentrate grade of 50.29 percent Fe with a 70.57 percent recovery in sole magnetic separation (one roughing and one scavenging) and a 76.23 percent total recovery in combined process magnetic separation—flotation. The consumptions of power and water amount are 3.87 kwh and 3.85 m3 per ton of crude ore respectively. The separator has a separating ring of 2,770 millimeter in outer diameter. The whole machine weighs 30 tons, with an output ranging from 25 tph to 30 tph. Its construction features are fully described in this paper including the unique arrangement of six pole-pairs around the ring, the tubular copper coil for inner-cooling water circulation and the grooved pole shoe components as magnetic collector matrices. A field intensity of 17,000 oersteds under the pole, though not remarkably high, was chosen in order to bring about a compromise in design parameters for simple, cheap construction and economical operation, particularly for reducing power loss and consumption of constructing materials, in the light of shortening both magnetic and electric circuits. The electromagnetic performances of the machine are fully described in the paper. Main dimensions and technical data are also presented for reference.

由江西有色冶金研究所、铁坑铁矿和赣州冶金机械修造厂共同研制的湿式强磁场磁选机为铁坑铁矿的扩建工程和弱磁性铁矿物的选别提供了适用的工业样机。该机在铁坑铁矿选矿厂进行工业试验,已取得良好的结果。用以处理含铁34.45%的褐铁矿,经一次粗选一次扫选的单一磁选流程,可获得品位为50.29%的精矿,铁回收率为70.57%,电能消耗为每吨原矿3.87度,水量单耗3.85吨。采用磁—浮联合流程,铁的总回收率可达76.23%。该磁选机的分选圆环外径为2770毫米,机器总重30吨,处理能力为25~30(吨/时)。本文详细介绍了该机主要结构的特点,包括磁路的选定、冷却方式以及分选室的布置与聚磁介质(齿板)的组装形式等。设计中各种结构参数的选定都经过周密的计算,所以电路、磁路短,漏磁少,功率消耗低,贵重材料省,造价低,运转费用比较经济。文中详细介绍了该机的电磁性能,提供了机器的主要尺寸和技术数据。

A rare earth ore flotation using α-styrylphcsphonie acid as a collector was investigated, Using a rare earth ore sample assaying 6.10% Re_xO taken from the Wei Shan Mine, Shantung,a concentrate grade of 60.13% Re_xO with a 48.36% recovery in a flotation circuit (one roughing and two cleaning operations) was obtained.It was found that the α-styrylphospyhonic acid may be used as a collector for not only cassiterite,ilmenite and wolframite but also rare earth ore flotation.

本文介绍了用笨乙烯膦酸浮选山东微山稀土矿的研究工作。品位为6.10%的原矿,经过一次粗选、二次精选,可以获得品位80.13%、回收率48.36%的稀土精矿。试验结果表明,苯乙烯膦酸不但可作为锡石、钛铁矿、钨矿的浮选捕收剂,用它来浮选稀土矿物也是富有成效的。

The effects of kerosene on the flotation of ilmenite with styrylphosphoric acid were investigated. The addition of kerosene may enhance the rate of flotation, enlarges the limit of the particle size, reduces the amount of primary collector used, improves the selectivity and properties of the foams. The ore sample tested was the tail of Pan-Zhi-Huan vanadic titanomagnetite after magneticseparation and froth flotation of the sulfides,with particle size minus 0.315mm and TiO_2 content 17.5-18%. A high-grade concentrate...

The effects of kerosene on the flotation of ilmenite with styrylphosphoric acid were investigated. The addition of kerosene may enhance the rate of flotation, enlarges the limit of the particle size, reduces the amount of primary collector used, improves the selectivity and properties of the foams. The ore sample tested was the tail of Pan-Zhi-Huan vanadic titanomagnetite after magneticseparation and froth flotation of the sulfides,with particle size minus 0.315mm and TiO_2 content 17.5-18%. A high-grade concentrate of 47.7% TiO_2 with a 67% recovery was abtained in a open circuit flotation (one roughing and two cleaning operation), using solely sulfuric acid as pH regulator.

本文研究了苯乙烯膦酸浮选钛铁矿时,添加煤油能够提高浮选速度、扩大浮选粒度界限、降低主捕收剂的用量、提高选择性和改善泡沫性质等良好效果;对浮选攀枝花钒钛磁铁矿的磁选—浮硫化物后的尾矿—即试料(粒度为—0.315毫米、含TiO_2为17.5—18%),除用硫酸调整pH外,在不需添加其他调整剂的情况下,经一次粗选二次精选就可获得含TiO_247.7%、收率为67%(开路试验)的高品位钛精矿。

 
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