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矿石     
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  ore
     ON THE RELATIONSHIP BETWEEN PROPERTIES OF THE PYRITE-TYPE COPPER ORE AND THE VISCOUS FROTH IN FLOTATION
     论黄铁矿型铜矿石特性与浮选泡沫发粘的关系
短句来源
     THE OCCURENCES OF ELEMENTS IN ORE DETERMINED BY LASER MICROGRAPHIC SPECTROMETRY
     激光光谱法研究矿石中的元素赋存状态
短句来源
     ELECTROFLOTATION OF A LEAD-ZINC ORE
     铅锌矿石的通电浮选
短句来源
     MULTIPURPOSE UTILIZATION OF URANIFEROUS IRON ORE——A PROCESS STUDY ON URANIUM EXTRACTION
     某含铀铁矿石的综合利用——提取铀工艺研究
短句来源
     A NEW TYPE ORE DRESSING AT DAHU NICKEL-MOLYBDENUM MINE
     一种新型矿石——大浒镍钼矿选矿
短句来源
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  ores
     Determination of distribution of gold and silver in ores and mill products
     矿石与选厂产品中金、银分布的测定
短句来源
     Atomic Absorption Determination of Major Concentration of Calcium、Magnecium、Lead and Zinc in Ores
     矿石中大量钙、镁、铅、锌的原子吸收光谱测定
短句来源
     Pulse Polarographic Determination of Trace Amounts of Uranium in Ores
     矿石中痕量铀的脉冲极谱测定
短句来源
     Extraction-Spectrophotometric Determination of Niobium at Microgram level in ores with 5-Br-PADAP
     5-Br-PADAP萃取分光光度法测定矿石中微克量铌
短句来源
     A Study of Polarographic Adsorption Catalytic Wave of Scandium,Uranium,Thorium,Zirconium and Rare Earth Elements Ⅱ.Polarographic Catalytic Wave of Uranium and the Determination of Trace Amounts of Uranium in Ores
     钪,铀,钍,锆,稀土元素的极谱吸附催化波研究——Ⅱ.铀的催化波及其在矿石分析中的应用
短句来源
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  “矿石”译为未确定词的双语例句
     The Point Estimation of the Parameter Statistics of Physical Property of Rock and Mineral
     岩矿石物性参数统计的点估计
短句来源
     The determination of the elements O and Si in mineral by 14MeV neutron activation analysis method
     用14MeV中子活化分析测定矿石中氧和硅元素的含量
短句来源
     SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM WITH 5-BR-PADAP AS A CHROMOGENIC AGENT
     V—5-Br-PADAP—H_2O_2三元络合物分光光度法测定矿石中的微量钒
短句来源
     Spectrophotometric Determination of Cerium in Minerals and Rocks with Chlorophosphonazo-mN by the Separation of Extraction Chromatography
     萃取色谱分离偶氮氯膦-mN光度法测定矿石中铈
短句来源
     SPECTROPHOTOMETRIC DETERMINATION OF URANIUM SEPARATED BY CL-5209 EXTRACTANT-CONTAINING RESIN
     用CL-5209萃淋树脂分离-分光光度法测定矿石中的铀
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  ore
Due to the technological restrictions, little work has been done on the ages of ore-forming and related granite in Dajishan for a long time.
      
By quick neutron mobilization method, an 40Ar-39Ar age of mica from the major ore vein is determined, yielding ore-forming ages of 144 Ma and 147 Ma.
      
Combining these age data with the occurrences of the main granite body, the patched body, the major ore veins and Na-Ta mineralization, the paper discusses their formation orders and relationships.
      
This paper reviews major advances in the studies of ore genesis and metallogenic regularity and progresses in mineral exploration of porphyry Cu deposits in the belt.
      
Stable isotope characteristics and origin of ore-forming fluids in copper-gold-polymetallic deposits within strike-slip pull-apa
      
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  ores
Enzyme activity was revealed in the cells grown on medium with elemental sulfur or in the presence of various sulfide minerals and concentrates of sulfide ores.
      
Leaching of various types of ores, containing 12-30% manganese, by the thiobacterium Acidithiobacillus ferrooxidans was studied.
      
Leaching of reduced ores (manganocalcite and manganiferous limestone) was mediated mainly by degradation of manganiferous minerals (by sulfuric acid produced in the course of bacterial oxidation of pyrite or sulfur).
      
Bacterial treatment of the ores for 144 and 192 h allowed solubilization of 96-98% of manganese.
      
A particular complex static system, viz., a partial positive feedback static system (closed cycle) for crushing mineral ores and other materials, is studied.
      
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  ore-
Due to the technological restrictions, little work has been done on the ages of ore-forming and related granite in Dajishan for a long time.
      
By quick neutron mobilization method, an 40Ar-39Ar age of mica from the major ore vein is determined, yielding ore-forming ages of 144 Ma and 147 Ma.
      
Stable isotope characteristics and origin of ore-forming fluids in copper-gold-polymetallic deposits within strike-slip pull-apa
      
The ore-forming fluid system in the Weishan-Yongping ore concentration area can be divided into two subsystems, namely, the Zijinshan subsystem and Gonglang arc subsystem.
      
The ore-forming fluids of Au, Pb, Zn, Fe deposits in the Zijinshan subsystem have δD values between -117.4‰ and -76‰, δ18O values between 5.32‰ and 9.56‰, and Δ13C values between -10.07‰ and -1.5‰.
      
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Bath reactions during the oxidizing period of electric-furnace steelmaking withinjection were studied. It is found that,under favourable conditions,a rate of carbon removal ofabout 0.015—0.020%C per minute(that of the normal smelting with ore beingaround 0.005% C per minute only)may be obtained;(FeO)and[O]decreasesignificantly and approach to equilibrium with[C]during the oxidizing period,andthe decrement of[O]increases proportionately with the increase of the rate ofcarbon removal.Dephosphorization during the...

Bath reactions during the oxidizing period of electric-furnace steelmaking withinjection were studied. It is found that,under favourable conditions,a rate of carbon removal ofabout 0.015—0.020%C per minute(that of the normal smelting with ore beingaround 0.005% C per minute only)may be obtained;(FeO)and[O]decreasesignificantly and approach to equilibrium with[C]during the oxidizing period,andthe decrement of[O]increases proportionately with the increase of the rate ofcarbon removal.Dephosphorization during the oxidizing period is found to be rather ineffective,the average[P]removed amounts to about 0.004% only.With a supplementaryoperation of dephosphorization during the melting period,[P]can be reduced toless than 0.015% at the end of oxidizing period.However,the dephosphorizationmechanism in the case of the oxygen smelting is still not yet clear.

研究了电炉吹氧冶炼氧化期的熔池反应。观察到:在良好的操作情况下,吹氧冶炼的脱碳速度可以达到0.015—0.020%C/分钟(矿石冶炼的只有0.005%C/分钟左右);吹氧过程中,(FeO)和[O]显著降低并与[C]趋近平衡,[O]的减少量与脱碳速度间有直线关系。并注意到吹氧冶炼氧化期脱磷效果较差,平均脱磷量仅为0.004%左右;采用熔化期脱磷操作后,氧化期末[P]可以降低到小于0.015%。至于吹氧冶炼的脱磷过程,目前还不完全了解。

For the polarographic determination of tin in the presence of tungsten, a supporting electrolyte of 5±0.5N hydrochloric acid is recommended. In 6N, 8N and 10N hydrochloric acid media, the half-wave potentials of tungsten are -0.71v,-0.65v and -0.61v vs. S.C.E. respectively, all of them are virtually coincident with those of tin wave. However, in 5±0.5Nhydrochloric acid media, large portion of tungstic acid precipitates and the half-wave potential of the trace tungstic acid remaining in the solution shifts to...

For the polarographic determination of tin in the presence of tungsten, a supporting electrolyte of 5±0.5N hydrochloric acid is recommended. In 6N, 8N and 10N hydrochloric acid media, the half-wave potentials of tungsten are -0.71v,-0.65v and -0.61v vs. S.C.E. respectively, all of them are virtually coincident with those of tin wave. However, in 5±0.5Nhydrochloric acid media, large portion of tungstic acid precipitates and the half-wave potential of the trace tungstic acid remaining in the solution shifts to a more negative value of -0.75v vs. S.C.E., while that of tin in the same media remains at -0.58v vs. S.C.E.. Hence the interference of tungsten becomes negligible.

本文述說在5±0.5N之鹽酸底液中錫有穩定正常的還原波,而鎢酸在此酸度絕大部分形成沉澱。在溶液中未完全沉澱之痕量鎢所產生的還原波在錫波後0.17伏恃處,僅使錫波波尾微陡斜,而不影響錫之波高测量。並且此陡形可因延長沉澱放置時間而消除。因此可不用事先分離鎢而直接测定合鎢礦石中錫之含量。

In the present investigation, the principal phases in alunite rock from Ping-Yang and Lu-Kiang have been studied. They were α-quartz, hematite and alunite. The latter was a mixed crystal of the type (K,Na)Al_3(SO_4)_2(OH)_6. In alunite rock, α-quartz and hematite were embeded in the alunite phase. In order to elucidate the nature of the alunite phase in alunite rock,the lattice constants and structural parameters of sodium alunite were determined and compared with those of potassium alunite.

本文,对平阳和卢江矾石矿中的各个物相进行分离、鉴定并对它们的分布情况进行了研究.矾石矿中主要的物相为α-石英、赤铁矿和明矾石物相(K,Na)Al_3(SO_4)_2(OH)_6,后者为混晶体物相.显微照相指出,矿石中的明矾石物相为一连续的物相,而α-石英和赤铁矿则夹杂其中. 为了进一步阐明明矾石物相,曾对钠明矾石的点阵常数和结构参数进行了测定,并对矾石中钾、钠离子的配位情况进行了比较.根据点阵常数,对矿石中明矾石物相的含钠率进行了推算.

 
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