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硫酸铅     
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  lead sulfate
     The results show that the rate of Pb - leaching 97. 39%, the grade of lead sulfate > 98% , lead sulfate, tribasic (PbO > 88%,SO3>7. 5%),the rate of sludge 38. 78%.
     三盐基硫酸铅含PbO>88%,SO_3>7.5%; 渣率38.78%。
短句来源
     The conditions of synthesis the lead sulfate are studied.
     研究了合成条件对硫酸铅产品纯度和粒度的影响。
短句来源
     The quality of the tribasic lead sulfate synthesized can meet the enterprise standard(HG2340-1992).
     合成的产品三碱式硫酸铅质量符合原化工部行业标准(HG2340—1992)。
短句来源
     The process involves NaCl solution leaching,crystallization of PbCl_2,conversion from PbCl_2 to PbSO_4,synthesis of 3PbO·PbSO_4·H_2O from PbSO_4.The experiment products met the specification of HG2340-92 in terms of its first class tribasic lead sulfate.
     该工艺包括NaCl溶液浸出、PbCl2结晶、PbCl2固相转化得到PbSO4、PbSO4合成三盐基硫酸铅
短句来源
     The preparation methods of tribasic lead sulfate and lead oxide are also discussed.
     并介绍了以铅阳极泥为原料制备铅系列化工产品三盐基硫酸铅和黄丹的方法。
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  lead sulphate
     The mass ratioof dibasic lead phosphite to tribasic lead sulphate is 1 to 3, which is the best one inrestraining dehydrochlorination of TPU/PVC system.
     此外,二盐基亚磷酸铅和三盐基硫酸铅复合配比为 1:3 时,其抑制TPU/PVC 共混物脱氯化氢反应的效果要好于其他配比。
短句来源
     The shielding rate of high-energy X-and β-radiation, the size of nanometer lead or nanometer lead sulphate in the samples, were measured.
     测得了各样品对高能X射线和 β射线的屏蔽率、样品中纳米铅和纳米硫酸铅颗粒的大小和形状。
短句来源
     The results show that to add phosphoric acid or phosphate, Cd2+ion, sulphate of alkali metal, organic complex is effective on fining crystal of lead sulphate,improving utilization of active material, degrading evolution of hydrogen, inhibiting decomposi-tion of H2O, and promoting solution of lead sulphate.
     研究表明,电解液中添加磷酸或磷酸盐,Cd2+离子、碱金属硫酸盐、有机配合物等对硫酸铅晶粒细化、提高活性物质的利用率、降低析氢电流、抑制水的分解、促进硫酸铅的溶解等是相当有效的。
短句来源
     The experimental results show that the lead sulphate, which is formed by reducing lead dioxide, can be reoxidized to lead dioxide within 1 min at 1.4V. This is due to the fact that this kind of lead sulphate is at the surface layers of the lead sulphate grains in the anodic film.
     实验结果表明在0.9V还原二氧化铅而得到的硫酸铅能在1.4V于1min内氧化为二氧化铝. 这是由于此种硫酸铅处于硫酸铅颗粒表层的缘故.
短句来源
     This article defined the analysing conditions of precipitating foreign substances rapidly by lead sulphate and strontium sulphate, and of that when pH = 5. 5, Lead and SXO form red coordination,and determined at λ = 540nm. This Method has a better accuracy and a better stableness. It is covement and save time, and it is fit for the production of copper alloy when lead content is at about 0. 003 %  ̄0. 22%.
     本文确定了以硫酸锶、硫酸铅快速沉淀分离杂质,在pH=55时,铅与半二甲酚橙(SXO)形成红色配合物并于λ=540nm处进行光度法测定微量铅的分析条件所拟方法精确度高、稳定性好、简便快速,适合于铅含量在0.003%~0.22%的铜合金的生产检验.
短句来源
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  lead-sulfate
     Investigations of Preparating Lead-sulfate and Mangano-manganic-oxide from Galena Concentrate and Pyrolusit
     从方铅矿精矿和软锰矿直接制备硫酸铅和四氧化三锰材料的研究
短句来源
     In this paper, the preparation of electrode active material lead-sulfate and mangano-manganic-oxide from galena concentrate and pyrolusit using two-ores method is investigated.
     本文以软锰矿为氧化剂原料,采用两矿法浸出方铅矿精矿并制备电极活性物质硫酸铅,同时得到四氧化三锰。
短句来源
  “硫酸铅”译为未确定词的双语例句
     The electroreduction of PbSO4 film formed on Pb in 4.5mol·dm -3 H2SO4 at -0.6V (vs. Hg/ Hg2SO4/ 4.5mol·dm-3H2SO4) for 20 min has been studied using linear sweep voltammetry, chronoamperometry, in conjunction with AC impedance method.
     采用线性电位扫描法、电位阶跃法,结合交流阻抗跟踪对铅在4.5mol·dm~(-3)H_2SO_4中-0.6V(vs.Hg/Hg_2SO_4/4.5mol·dm~(-3)H_2SO_4)极化20min形成的阳极硫酸铅膜的阴极还原进行研究.
短句来源
     Optimum dosage for the foam is :PVC 100,NBR 60,DOP 60,H 4,DCP 1,3PbO·PbSO 4·H 2O 3,2PbO·PbPO 3·1/2H 2O 2,and the foam is endowed with lower density,better elasticity and good mechanical properties.
     实验表明 ,当选择PVC 10 0份、NBR 6 0份、DOP 6 0份、AC 4.0份、H 4.0份、DCP 1份、稳定剂三盐基硫酸铅 (3PbO·PbSO4 ·H2 O) 3份、二盐基亚磷酸铅 (2PbO·PbPO3·1/2H2 O)2份可制得密度较小、回弹性较好、具有一定力学强度的改性PVC泡沫塑料。
短句来源
     A transition product, PbSO_4·2PbO, is found by X-ray diffraction analysis.
     发现了反应过程中有过渡产物碱式硫酸铅(PbSO_4·2PbO);
短句来源
     The XRD and SEM analyses on composition and the appearance of product showed that the purity of product is 99.83%, the average grain diameter of product is 250nm.
     试验得到的硫酸铅产品纯度达到了99.83%,平均粒径为250nm。
短句来源
     Sulphuric acid for industrial use Determination of lead content——Dithizone photometric method
     中华人民共和国国家标准 工业硫酸 铅含量的测定 双硫腙光度法
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  lead sulfate
The formation of lead sulfate in the active-material grains during discharge of a lead-acid battery is considered under the assumption that the grain size is not constant.
      
The lead sulfate formation during discharge of the negative electrode in a lead-acid battery working in an activation mode, i.e.
      
Methodics of precipitation processes on lead sulfate system in aqueous medium
      
Daily amounts of 6.0-43.75 mg of lead acetate, lead nitrate, lead chromate, lead chloride, lead carbonate or lead sulfate were given on 4 consecutive days; on day 2 each animal received 100 mg/kg phenobarbital i.p.
      
Solid-liquid extraction of trace impurities from potassium and lead nitrates and from lead sulfate
      
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  lead sulphate
Spot tests for calcium sulphate, lead sulphate, silver, thallium, and formaldehyde based on reactions with selenosulphate
      
Spot tests have been described for calcium sulphate, lead sulphate, silver, thallium and formaldehyde based on the reaction with selenosulphate.
      
Selenite is selectively co-precipitated with lead sulphate.
      
In weakly acid solutions the selenite ions are attached to the lead sulphate particles probably the PbSO4 being charged electrically by adsorbed Pb2+-ions in excess.
      
Homogeneous precipitation of lead sulphate from lead(II)-EDTA complex by displacement with copper(II) and nickel(II)
      
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