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锌铅
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  zinc and lead
    Due to variation of ore property,complication of mineral composition,high ratio of zinc and lead,fine-grain dissemination of the associated silver,and grinding operation failing the needs of flotation technology,it was difficult to separate lead from zinc minerals and to increase the production in Huili zinc mine.
    会理锌矿长期因矿石性质多变、矿物组成复杂、锌铅含量比值大、伴生银嵌布粒度细、浮选磨矿细度又未达到设计要求 ,致使铅锌分离困难 ,生产指标难以提高。
短句来源
  zn pb
    EVAPORATION KINETICS OF LEAD IN CARBON CONTAINING PELLETS FROM Zn Pb BEARING DUSTS
    含锌铅粉尘配碳球团中铅挥发动力学
短句来源
    The study on the evaporation kinetics of lead in carbon containing pellets made of Zn Pb bearing dusts, in an nitrogen atmosphere and between 1 100 ℃ and 1 300 ℃, showed that the reduction temperature has significant effects on evaporation rate of lead and that the particle size of coal powder and the extra carbon content have not effects on the evaporation rates.
    在氮气气氛和1100~1300℃温度范围内,对含锌铅粉尘配碳球团中的铅挥发动力学的研究表明:还原温度对铅挥发速率有显著影响,而煤粉粒度及过量碳含量对铅挥发速度则没有影响。
短句来源
    The Century Zn Pb Ag deposit, located about 250 km north northwest of Mount Isa,Queensland,was discovered by CRA Exploration in 1990 following several years of regional area selection studies and initial reconnaissance field work.
    世纪锌铅银矿床由CRA 公司于1990 年发现,并进行勘探。
短句来源
  “锌铅”译为未确定词的双语例句
    ANALYSIS OF INTRINSIC PROPERTIES AND PHASE CONDITION ON CONVERTER SLUDGE AND BEARINGZnPb BLAST FURNACE SLUDGE
    转炉和含锌铅高炉尘泥的物性和物相分析
短句来源
    GEOPHYSICS OF THE CENTURY ZINC?LEAD?SILVER DEPOSIT,NORTHWEST QUEENSLAND
    澳大利亚昆士兰州西北世纪锌铅银矿床的地球物理特征
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  zinc and lead
Although the reaction of α,α-dibromo-α-fluorotoluene with zinc and lead involves formation of fluoro(phenyl)carbene, this procedure is not suitable for the synthesis of 2-fluoro-2-phenylaziridines.
      
The Use of the Mortality Rate of Marine Fish Prelarvae for the Estimation of Zinc and Lead Toxicity
      
According to the results of model experiments with artificial contamination of soil, the flux of zinc and lead from the starting point (from a medium loamy leached chernozem) to the final point (wheat grains) sharply decreases.
      
The adsorption of zinc and lead on hair was dependent on the acidity of the hair and/or the medium in which the hair sample was immersed, suggesting that hair is an ion exchanger.
      
Age- and sex-related differences in zinc and lead levels in human hair
      
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  zn pb
Cigaret smoking, despite its relatively low prevalence (19.5%), was associated with lower Zn and higher Cd and Pb concentrations and in lower Zn/Cd and Zn/Pb molar concentration ratios.
      
Smoking frequency appeared to show negative dose-response effects on maternal and neonatal Zn concentrations, Zn/Pb molar concentration ratios, and birth weight.
      
Un grand nombre de minéralisations de Zn(Pb) dans l'Ordovicien présentent un "faciès" de minerai identique mais sont encaissées dans des formations de lithologie variable.
      
Arrens Zn (Pb), Ba Devonian deposit, Pyrénées, France: an exhalative-sedimentary-type deposit similar to Meggen
      
These were an agricultural soil located nearby a Zn/Pb smelter and two soils from a steel metallurgical (siderurgy) waste land.
      
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This paper has studied ore deposits related to Middle Caledonian granitoids in Xiaohinggan-ling region in such aspects as their geological settings,metallogenic conditions,metallogenicmechanism,and evolutionary regularity of magma and mineralization. With the theory of metal-logenic series,the authors have made classificatiori for metallogenic subseries and types of ore de-posits,and probed into regularity of regional mineralization zoning as well as mineralization zon-ing of important ore districts. Xiaohigganling...

This paper has studied ore deposits related to Middle Caledonian granitoids in Xiaohinggan-ling region in such aspects as their geological settings,metallogenic conditions,metallogenicmechanism,and evolutionary regularity of magma and mineralization. With the theory of metal-logenic series,the authors have made classificatiori for metallogenic subseries and types of ore de-posits,and probed into regularity of regional mineralization zoning as well as mineralization zon-ing of important ore districts. Xiaohigganling region lies in the northern part of the well-known Xiaohingganling-Zhang-guangcailing iron and polymetallic ore-forming belt.The study region approximately correspondsto the second-order tectonic units(Maolin-Milan geosynclinal folded belt and Wuxing-Guan-siogzhen intermediate upwarped belt)of Yichun-Yanshou geosynclinal folded system,being theactive conjunction zone between Xiaohingganling-Songnen old land and Laoyeling old land.In thisregion,geological structures are very complex and noted for multicyclic development;neverthe-less,the principal cycle remains the geosynclinal fold ed system forined in Middle Caledonian,which is characterized by multiphase and inherited activities,Caledonian geosyncline evolved onthe basis of an active and nonuniform sialic crust;when it changed from an expansion environ-ment to a contraction environment,the increase in intrageosynclinal pressure and tectonic stressled to the formation of remelted hybrid granite in the sialic basement.With the deepening of thedownwarping action of Caledonian geosyncline,the intensification of folding and the formation ofdeep faults,there occurred syntectic granodiorite;in addition,through complete deep differentia-tion and assimilation of wall rocks,the syntectic magma formed highly-acid and alkali-richadamellite and K-feldspar granite,whicli were both products of Middle Caledonian tectonism.Their related ore-forming processes formed a series of iron,copper,lead,zinc,tin,tungsten andmolybdenum skarn and hydrothermal deposits in favorable tectonic positions of the region.Though different in characteristics,these cre deposits were formed quite close to each other intime and restricted by the same major geological action,had intimate genetic connection and iden-tical magmatic-hydrothermal origin,and occurred exclusively in Yichun-Yanshou geosynclinalfolded svstem. Mineralization had much to do with evolution of magma and was closely related tointrusive rocks in time,space and genesis. Corresponding to three Middle Caledonian subcycles,the ore-forming processes might be divided into three main metallogenic subseries related toremelting type hybrid granite and granite porphyry,iron-lead zinc metallogenic subseries relatedto syntectic granodiorite,and tungsten-molybdenum-lead-zinc-iron metallogenic subseries relatedto highly-acid and alkali-rich granite.Wall rocks of ore deposits of different subseries are all mainly carbonate rocks of CambrianQianshan Formation. Regionally,these deposits are distributed almost equidistantly in columnsin nearly north-south direction and in zones northwestward.Ore deposits related to different evo-lutionary stages of magma had their respective distribution space and formed distinct mineraliza-tion zoning under the influence of regional geochemical field and tectonic activity,From south tonorth,the major ore species vary gradually in order of iron→iron,lead,zinc→lead,zinc→tung-sten,molybdenum,lead,zinc→tungstem,This must have resulted from such factors as long in-tense inherited tectonic activity,temporal-spatial differences,source of magma,and uneven dis-tribution of crustal and even upper mantle materials.

加里东期花岗岩类岩浆活动及与其有关的成矿作用,在小兴安的地区形成了一批铁、铜、锌、铅、锡、钼和钨等矽卡岩型和热液型的矿床。这些成因上紧密相关的矿床形成时间相近。不过,在不同的岩浆活动阶段和不同的地质环境中形成的矿床,其矿化特征又有明显的差别,而且,矿种和矿化类型在空间的分布上,呈现有规律的分带现象。本文着眼于研究上述的矿床所处的地质背景、成矿条件和成矿作用,用成矿系列的观点,对矿床进行成矿亚系列和矿床式的划分。并研究了区域矿化分带和重要矿区的矿化分带及其成因问题。

Cu and Pb- Zn mineralization in the ore field occurred in Permian-Triassic limestone, dolomitized limestone, siliceous and anthrinoid shale. Some rocks possess relatively high An and Ag background values. Quartz diorite-porphyrite body is large in scale, and closely related with Cu mineralization. Absorbent An is dominant in colloform sulphide and in framboid pyrite.There are higher grade An in hornstone,in which large natural An particles have been found.After systematically sampling and analysing three sections,and...

Cu and Pb- Zn mineralization in the ore field occurred in Permian-Triassic limestone, dolomitized limestone, siliceous and anthrinoid shale. Some rocks possess relatively high An and Ag background values. Quartz diorite-porphyrite body is large in scale, and closely related with Cu mineralization. Absorbent An is dominant in colloform sulphide and in framboid pyrite.There are higher grade An in hornstone,in which large natural An particles have been found.After systematically sampling and analysing three sections,and computer processing,the macroscopic distributive pattern of An -Ag and related elements is presented.

该矿区铜矿化和锌铅矿化主要发生在二叠系和三叠系的灰岩、白云岩化灰岩、硅质和炭质页岩中,部分岩石具有较高的Au、Ag等元素的背景值。石英问长玢岩规模较大者,与铜矿化和其他矿化关系密切。主要矿石类型有夕卡岩型、硅质页岩型和角岩型3种。金主要以吸附形式存在胶状硫化矿物和草莓状黄铁矿中,在角岩中,金品位较高且见有较大颗粒的自然金。通过对3个中段的系统采样分析和计算机处理,得出该矿区金、银等有关元素的宏观分布模式。

A description is given of the results of wet treatment of bulk flotation concentrate of copper and zinc. Comprehensive recovery of copper, zinc, lead and sulfur has been achieved by preleaching and oxygen pressure acid leaching, and 4 products, i.e. copper sulfate, zinc sulfate, tribasic lead sulfate and sulfur, have been prepared. This process is characterized by reasonal and smooth flowsheet, high quality products and high metal recoveries.

采用预浸氧压酸浸技术,从难以浮选分离的铜锌混合精矿中综合回收了铜、锌、铅和硫,制备出硫酸铜、硫酸锌、三盐基硫酸铅和硫磺4种产品。流程合理畅通,产品质量好,各金属回收率高。

 
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