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concentrate
相关语句
  精矿
    CHLORINATION OF BAOTOU HIGH-GRADE RARE-EARTH CONCENTRATE AT HIGH TEMPERATURE FOR THE PRODUCTION OF ANHYDROUS RARE-EARTH CHLORIDES
    包头高品位稀土精矿高温加炭氯化生产无水氯化稀土的研究
短句来源
    SEPARATION OF COPPER-LEAD BULK CONCENTRATE BY SODIUM SILICATE MIXTURE
    水玻璃合剂分选铜铅混合精矿
短句来源
    SEPARATING COPPER-LEAD CONCENTRATE BY FLOTATION WITH SODIUM PYROPHOSPHATE
    应用焦磷酸钠浮选分离铜铅精矿
短句来源
    SOME PROBLEMS OF ZINC CONCENTRATE ROASTING IN FLUIDIZED BED WITH RICH OXYGEN
    关于锌精矿富氧沸腾焙烧中的几个问题
短句来源
    Direct leaching of zinc sulfide concentrate by pyrolusite and simultaneous electrolysis of zinc and manganese dioxide
    硫化锌精矿、软锰矿直接浸出及Zn-MnO_2同时电解的研究
短句来源
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  精料
    Practice on Ironmaking Concentrate at Pingsteel
    萍钢炼铁精料实践
短句来源
    BF CONCENTRATE AND SUITABLE A1_2O_3 CONTENT IN SLAG
    高炉精料与渣中Al_2O_3的定位、整和
    It analyzes the problems in chinese ferroalloy industrial developmentand puts forward several views on ferroalloy industrial development: charging concentrate, increasing product,reducing cost, recovering power, reforming equipment,improving process, expanding international market to promote chinese ferroalloy industrial development.
    分析了我国铁合金工业发展中存在的问题 ,提出了有关铁合金工业发展的几点看法 ,即精料入炉、提高质量、降低成本、回收能源、设备改造、工艺进步、扩大国际市场上的销售渠道等措施是促进铁合金工业发展的重要途径。
短句来源
    Increasing the ratio of coal injection is a trend for BF economical,high yield and high quality run,while concentrate is an assurance to realize large ratio of coal injection in BF.
    提高喷煤比是高炉经济、高产、高质的发展方向 ,而精料又是高炉实现高喷煤比的保障。
短句来源
    2 Ironmaking Plant of Tangshan Iron & Steel Corp. the life cycle of the No. 1 BF (1 260 m 3) has been extended to 9 years and 3 months and thus realized a prolonged campaign of BF because a few measures have been properly taken for protection of the furnace such as use of concentrate, adoption of rational charging pattern, installation of coolers, patching furnace scientifically, and protection of the furnace using titanium containing iron ore.
    唐钢二炼铁厂 1号高炉 ( 1 2 60m3 )由于采取了精料、合理装料制度、及时加装冷却器、科学补炉、钛矿护炉等措施 ,使一代高炉寿命达到 9年零 3个月 ,实现了高炉长寿。
短句来源
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  “concentrate”译为未确定词的双语例句
    Technological and Theoretical Research on Slurry Electrolysis of Complex Antimony Lead Concentrate
    复杂锑铅矿矿浆电解工艺及理论研究
短句来源
    Study on Technology and Mechanism of Mechanical Activation Enhancing Leaching of Gold Concentrate Containing Arsenic
    机械活化强化含砷金精矿浸出的工艺及机理研究
短句来源
    Study on extracting gold by bacterial oxidation from concentrate containing arsenic
    含砷金精矿细菌氧化提金研究
短句来源
    LEACHING KINETICS OF Au-BEARING SULPHIDE CONCENTRATE BY FeCl_3 SOLUTION
    FeCl_3浸取含Au复杂硫化矿的动力学研究
短句来源
    STUDY ON MECHANICAL ACTIVATED DECOMPOSITION WITH SODA SOLUTION OF SCHEELITE MIDDLE CONCENTRATE
    机械活化苏打溶液分解白钨中矿试验研究
短句来源
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  concentrate
We concentrate on studying algorithms that provide expansions into a series.
      
To improve the method sensitivity, a concentrator column (AG19) was used to concentrate perchlorate online.
      
The control system of vertical mixing equipment is a concentrate distributed monitoring system (CDMS).
      
As an independent lithological body, the mechanical property of a reef flat is very different from the surrounding rock, causing stress to concentrate.
      
asporogenes strain 41 is capable of utilizing sulfides of gold-arsenic concentrate and elemental sulfur as a source of energy.
      
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The capacity of tolyl arsonic acids for collecting cassiterite has been investigated. It is shown that mixed tolyl arsonic acid was much superior to either para- or ortho-isomer alone for cassiterite flotation. Mixing ratios between paraand ortho-tolyl arsonic acids ranging from 50:50 to 30:70 were effective with a peak value at 45:55 in which a maximum collecting capacity was obtained. The preparation of mixed tolyl arsonic acid was more convenient than that of paraisomer, a conventional collecting agent for...

The capacity of tolyl arsonic acids for collecting cassiterite has been investigated. It is shown that mixed tolyl arsonic acid was much superior to either para- or ortho-isomer alone for cassiterite flotation. Mixing ratios between paraand ortho-tolyl arsonic acids ranging from 50:50 to 30:70 were effective with a peak value at 45:55 in which a maximum collecting capacity was obtained. The preparation of mixed tolyl arsonic acid was more convenient than that of paraisomer, a conventional collecting agent for cassiterite flotation. In the plantscale flotation of cassiterite slimes assaying from 0.6 to 0.7 percent Sn, tin concentrates with the grade of about 25.65% were obtained, the total recovery being about 58.64%. Cassiterite flotation using mixed tolyl arsonic acid as collectors and sodium carbonyl methyl cellulose as despressing agents for calcite have already been put into industrial practice.

本文介绍了用混合甲苯胂酸浮选锡石的研究工作,试验表明混合甲苯胂酸对锡石的捕收能力优于对位和邻位甲苯胂酸。当混合比为45:55时,锡石产率出现“峰值”,可得到较高的浮选指标。为降低药剂成本,利用化工厂废弃的冷母液制造混合甲苯胂酸,在工业生产中证明是十分成功的。

The basic link of hard driving of large blast furnace is to study the characteristics of gas dynamics in the furnace. The main problem is to improve the permeability of the burden and to control the distribution of the gas flow continuously. The fundamental solution of this problem lies upon investigations on sintering the overfine (-325 mesh) concentrates, screening off the fines, prospect of using 100% pellets and new requirement of coke quality in large blast furnace. The pressing necessities of employing...

The basic link of hard driving of large blast furnace is to study the characteristics of gas dynamics in the furnace. The main problem is to improve the permeability of the burden and to control the distribution of the gas flow continuously. The fundamental solution of this problem lies upon investigations on sintering the overfine (-325 mesh) concentrates, screening off the fines, prospect of using 100% pellets and new requirement of coke quality in large blast furnace. The pressing necessities of employing high top pressure act at the same time as a powerful means of hard driving of the blast furnace. Thus, high top pressure promotes development of large blast furnace. The dimensions of throat gap for large blast furnaces have important effect on burden distribution. It is necessary to develop large diameter and low shaft furnace with more tuyeres of optimum small dimensions.

强化大型高炉生产的基本环节是研究炉内气体动力学特性.核心问题是要不断地改善炉料的透气性和控制煤气流的分布.问题的基本解决有赖于研究过细精矿(-325网目)的烧结,粉末的筛除,以及大型高炉使用100%球团的远景和对焦炭质置的新要求等.在大型高炉上采用高压操作的必要性和迫切性,同时也是强化大型高炉的有力手段.因此,高压促进高炉大型化的发展.大型化高炉炉喉间隙的大小,对布料有很大的影响.有必要发展矮胖、多风口、适当小风口的炉型.

Extensive studies have been made on the so called catastrophic swelling during reduction of pellets made from certain kinds of high-grade iron concentrates. As far as we know, no informations have been published on swelling of pellets made from titanio-magnetite concentrate in literatures.

某些高品位铁精矿球团在用气体(H_2或CO或其混合物)还原时发生所谓的灾难性膨胀的问题,早已多有报道.以钒钛磁铁矿为原料的球团的还原膨胀性质的研究尚未进行过.为解决钒钛磁铁矿球团竖炉直接还原过程中发生的灾难性膨胀问题,在实验室中用光学投影法研究了氧化钠化球团还原时的特性.不附加任何添加剂的氧化球团(TY)升温还原到550~750℃时发生正常膨胀,最大线膨胀率为4~7%.添加5~6%芒硝的氧化球团(6NTY)在同样条件下发生灾难性膨胀,最大线膨胀率15~30%,膨胀后的球团严重粉化,一触即溃.但6NTY球团在高于~1100℃恒温还原时,仅作正常膨胀.用控制气体还原位的方法分步还原实验结果表明,6NTY球团的灾难性膨胀及TY球团的正常膨胀都是发生在赤铁矿-磁铁矿转变阶段,这与国外研究者提出的在浮土体-金属铁阶段生成的铁须导致球叫灾难灶膨胀的观点不同.用弱还原性气氛(例如CO/CO_2=1/99的还原气体)对球团作磁铁矿化处理,消除了赤铁矿,从而完全消除了灾难性膨胀.磁铁矿化球团(6NTM, 6NTYM, 6NTYVM)的还原膨胀值仅~1.5%,相当于球团的热膨胀值.提出了磁铁矿化指标α=Fe~(3+)/TFe-0...

某些高品位铁精矿球团在用气体(H_2或CO或其混合物)还原时发生所谓的灾难性膨胀的问题,早已多有报道.以钒钛磁铁矿为原料的球团的还原膨胀性质的研究尚未进行过.为解决钒钛磁铁矿球团竖炉直接还原过程中发生的灾难性膨胀问题,在实验室中用光学投影法研究了氧化钠化球团还原时的特性.不附加任何添加剂的氧化球团(TY)升温还原到550~750℃时发生正常膨胀,最大线膨胀率为4~7%.添加5~6%芒硝的氧化球团(6NTY)在同样条件下发生灾难性膨胀,最大线膨胀率15~30%,膨胀后的球团严重粉化,一触即溃.但6NTY球团在高于~1100℃恒温还原时,仅作正常膨胀.用控制气体还原位的方法分步还原实验结果表明,6NTY球团的灾难性膨胀及TY球团的正常膨胀都是发生在赤铁矿-磁铁矿转变阶段,这与国外研究者提出的在浮土体-金属铁阶段生成的铁须导致球叫灾难灶膨胀的观点不同.用弱还原性气氛(例如CO/CO_2=1/99的还原气体)对球团作磁铁矿化处理,消除了赤铁矿,从而完全消除了灾难性膨胀.磁铁矿化球团(6NTM, 6NTYM, 6NTYVM)的还原膨胀值仅~1.5%,相当于球团的热膨胀值.提出了磁铁矿化指标α=Fe~(3+)/TFe-0.70TiO_2作为事先检验球团还原膨胀性质的判据.研究结论已为四川省冶金研究所进行的扩大试验结果所证实.

 
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