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泥处理
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  mud treatment
     Measures of Brine Purify and Calcium、Magnesium Mud Treatment in the Kunming Salt Mine
     昆明盐矿卤水净化改造及钙镁泥处理方案
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  “泥处理”译为未确定词的双语例句
     The heated boron sludge was used to treat detergent wastewater and the removal rate was 94% when pH ranged from 3.0 to 10.5 and the added amount was 0.4%,and adsorption of detergent on the boron sludge was fit for Flundlich thermoisopleth.
     加热后的硼泥处理洗涤剂废水,投加量为0.4%,pH为3.0~10.5时,洗涤剂去除率达94%。
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     Innovation on treatment process of salt slurry in 30% liquid caustic soda production
     30%液碱生产中盐泥处理工艺的改进
短句来源
     The procedure of innovation of treatment process of salt slurry in 30% liquid caustic soda productions were introduced.
     介绍了30%液碱生产过程中盐泥处理工艺的改造过程。
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     Influence factors of cadmium waste water disposal with red mud
     赤泥处理含镉废水的影响因素
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     Practice and Process of Treating High Bismuth Copper Anode Slime
     高铋铜阳极泥处理及实践
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  相似匹配句对
     ANODE SLIME TREATMENT
     阳极处理
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     Situation of Three Sludge Treatment Processes
     “三处理现状
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     Natural Language Processing
     自然语言处理
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     R. japoncnsis was treated as a variety under R.
     japonensis处理为R.
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  mud treatment
I in the sewage treatment grew 2 times larger (in 2 wk) than juveniles produced by adults in the mud treatment when these juveniles were raised in the same sediment type (mud).
      
The efficacy of Brazilian black mud treatment in chronic experimental arthritis
      
Mud treatment diminished leukocyte migration into the synovial membrane and articular cavity when compared with both control groups.
      
The hole was then flushed with a sepiolite mud treatment.
      


China is known for its richness in metallic ore resources with almost all varie-ties,having a long history of mining activities.Throughput has been constantly incre-asing,while technology improving.Despite of the raw ore grade decreasing,recoveries of main metals have beenraising and kinds as well as the output of by-products expanding.The present paperdescribes the progress in grinding,classification and in the beneficiation of tungsten,tin,complex sulphides,copper,molybdenum,nickel,precious metals and iron...

China is known for its richness in metallic ore resources with almost all varie-ties,having a long history of mining activities.Throughput has been constantly incre-asing,while technology improving.Despite of the raw ore grade decreasing,recoveries of main metals have beenraising and kinds as well as the output of by-products expanding.The present paperdescribes the progress in grinding,classification and in the beneficiation of tungsten,tin,complex sulphides,copper,molybdenum,nickel,precious metals and iron ores.GRINDING AND CLASSIFICATION Autogenous and semi-autogenous mills havebeen increasingly used,especially in iron concentrators.In some plants,magneticpulleies are used to discard wastes from autogenous mill discharges.Comparing withball mills,the consumption of grinding media has been reduced by 40% in plant usingrod-pebble mills.The fine screening with rappers has been widely adopted in magnetiteplants for upgrading concentrates.In some plants,hydrocyclones have been replacedby F.S.R.unites as classifiers.TUNGSTEN AND TIN Although multistage grinding and gravity separation aremainly applied to the beneficiation of such ores,combined flowsheets of gravity,magnetic separstion and flotation are also used.In the treatment of ore slimes,gravitymethod with centifugal separators for roughing followed by vanners for cleaning issuccessfully adopted;flotation and combined processes of gravity separation and flota-tion have been increasingly used;rock-shaking vanners are also introduced.Progress,in the concentration of tungsten ore slime,has been made by way of high intensitymagnetic separation followed by flotation.The methods of cleaning rougher concentra-tes comprise gravity,magnetic,electrostatic separation,table flotation and flotation aswell as combined processes of beneficiation and metallurgy.Some concentrators treatingrefractory cassiterite ores produce,in addition to final tin concentrates,low gradesemi-products for further treatment with special metallurgical processes.COMPLEX SULPHIDES In respect of the methods of separation,many a cyanide-free and dichromate-free separation methods have been developed,resulting in impro-vements of separation efficiency;reduction of environmental pollution and increasingrecovery of precious metals;and solution of the problems associated with separationof some complex sulphide ores,containing a large amount of secondary copper mine-rals.In addition,the electroflotation technique has been introduced in a lead-zincconcentrator,resulting in saving regulators and depressors.As concerns the flotationflowsheet,“equi-flotability” has been widely used. COPPER A number of effective flotation reagents have been utilized.Flotationcolumns have been used for more than 20 years,and a new type annular-ejectingflotation machine has also been put into operation.With respect to the recovery ofrefractory oxidized ores,both the single stage segregation with direct heatingand the leaching-extraction-electrowinning processes are in operation.Some othermethods have also been investigated with better results,such as,pressure ammoniacalleaching,pressure ammoniacal leaching with sulphur precipitation-flotation,pressuresulphidization-flotation and leaching-precipitation-carrier flotation.MOLYBDENUM,NICKEL AND PRECIOUS METALS The flotation flowsheet ofmolybdenite trends towards open circuit,i.e.discarding final tailings in cleaningstages.Furthermore,some concentrators also produce middlings for further treatmentwith hydrometallurgy.Heavier wax and combined collectors are adopted in someconcentrators,improving molybdenum recoveries.In a certain plant dealing with difficult nickel ores,flotation-desliming-magneticseparation-flotation flowsheet has been used instead of single flotation.Recoveringcobalt alloy from converter slags and separating richer precious metal alloy fromnickel matt with ore dressing methods have been put into practice.Extracting gold with thiourea has been investigated in commercial scale test withbetter results achieved.Recovering precious metals from anode slime and leachingresidues

我国金属矿资源丰富,矿种齐全,开采量与日俱增,生产技术不断改进。本文概述了磨矿、分级;钨锡矿的预选、重选、矿泥处理、精选;铜铅锌多金属硫化矿的分选方法、流程;铜矿的工艺、药剂、浮选设备,选冶联合流程;钼、镍、金银和贫赤铁矿选矿等方面的进展

Most of the Chinese raw sands for foundry industry have been processed only with simple method, and their high clay content consumes large quantity of resin or other binders. The results of this investigation show that the specific strength of resin bonded sand will increase remarkably, if the raw sand processed by wet attrition. This is mainly due to the lowering of the contents of clay and acid soluble alkaline oxides, and the exposing of the bare grain surface. The binding mechanism of resin bonded sand...

Most of the Chinese raw sands for foundry industry have been processed only with simple method, and their high clay content consumes large quantity of resin or other binders. The results of this investigation show that the specific strength of resin bonded sand will increase remarkably, if the raw sand processed by wet attrition. This is mainly due to the lowering of the contents of clay and acid soluble alkaline oxides, and the exposing of the bare grain surface. The binding mechanism of resin bonded sand has been observed and photographed with the aid of a scanning electron microscope. The study of the fractured binder links reveals that the ruptures for the sand processed by wet attrition are primarily cohesive, while those for the sand not processed by wet attrition are mainly adhesive.

我国常用铸造原砂大多只经简单加工处理,其含泥量高,需耗用大量树脂或其他粘结剂。研究结果表明,原砂通过擦洗脱泥处理,就可使树脂砂的比强度大为提高。这主要是由于含泥量和酸溶性碱性氧化物含量得到降低,使砂颗粒表面裸露出来。用扫描电镜观察树脂砂的粘结机理发现经过擦洗脱泥处理的原砂的树脂粘结桥主要是内聚断裂,而未擦洗脱泥处理者为附着断裂。

The original plan to treat anode copper mud in Guixi smeltery was to adopt the same wet process flow which had been employed in a home smeltery, however, it didn't suit the variance of Guixi's anode copper mud completly, thus, the operation was thrown into passive position since its putting into production in July 1987.

贵溪冶炼厂铜阳极泥处理原设计采用国内某冶炼厂湿法工艺流程,但该流程不完全适应贵冶阳极泥变化情况,1987年7月建成投产后,生产比较被动.为完善阳极泥湿法处理工艺流程,1988年进行了联合攻关,经过试验摸索,终于获得了比较适合贵冶特性的高碲铜阳极泥湿法处理工艺流程,并已付诸于工业生产.本文着重介绍高碲铜阳极泥湿法处理的试验情况并对其工艺特点进行了探讨.

 
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