lead metal 金属铅(9)   金属铅      Determination of Trace Gold in Lead Oxide and Lead Metal by Inductively CoupledPlasma Mass Spectrometer      ICP-MS法测定金属铅及氧化铅中痕量金 短句来源      This method can determine silver and bismuth more than 0.00001% in a lead metal sample. The recoveries of standard addition for silver and bismuth are between 96% and 103%.      可准确测定金属铅样品中 0 0 0 0 0 1%的银和铋 ,样品加标回收率在 96 %～ 10 3%之间。 短句来源      The proposed method is a quick and accurate way for simultaneous determination of trace silver and bismuth in lead metal.      等离子体质谱法是金属铅中微量银和铋同时测定的准确、快速的测定方法。 短句来源      The gold content above 10-9 in lead metal and lead oxide can be accurately determined by this method.      测定方法可准确测定金属铅及氧化铅样品中10~(-9)级的金。 短句来源      The proposed method has been applied to the determination of nickel and cadmium in lead metal with satisfactory results.      方法已经应用于金属铅中痕量镍和镉的测定,结果满意。 短句来源 更多          “lead metal”译为未确定词的双语例句      n is relative to the electric resistance of molten metal and varies from 1/2 to 3/2,which is 1/2 for aluminum metal and 1 for tin metal and lead metal.      n与金属液的电阻率有关,电阻率越小则n越小; 对于纯铝n为1/2,对于纯锡和纯铅n为1; 短句来源      The two\|dimensional dendrite of lead metal was grown on an electrode of carbon by the electrodeposition method.      用电化学沉积方法 ,在负电极周围生长出二维铅枝晶 ,通过处理其表面形貌 ,计算了铅枝晶的分形维数 . 短句来源      The experiments have been carried out by the facilities of φ130 experimental two-high mill and with the samples of lead metal.      实验是在φ130二辊实验轧机上用铅试料进行的。 短句来源      The experimental results show that the addition of cerium to lead metal can slightly increase the apparent activation energy of the reaction for forming anodic Pb(Ⅱ)compound.      实验结果表明 ,铈的添加可适当提高Pb (Ⅱ )化合物生长过程的表观活化能。 短句来源      STUDY ON DETERMINATION METHOD OF TRACE BISMUTH IN HIGH-PURE LEAD METAL BY HYDRIDE GENERATION ATOMIC FLUORESCENCE SPECTROMETRY      氢化物-原子荧光光谱法测定高纯铅中微量铋的方法研究 短句来源 更多          相似匹配句对      LEAD      铅 短句来源      LEAD REMOVAL FROM ANTIMONY METAL BY VACUUM REFINING      金属锑真空精炼深度脱铅的研究 短句来源      High strength lead base bearing metal      高强度铅基轴承合金 短句来源      SPARKLING metal      闪亮金属 短句来源      TIMES OF THE METAL      金属时代 短句来源 查询“lead metal”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   lead metal The drive to replace the use of toxic lead metal and its alloys has spurred the development of many new lead-free solder alloys. 例句来源       Experiments have been carried out to determine the equilibria between FeOx-CaO-SiO2 slag and lead metal in iron crucibles at temperatures ranging from 1473 to 1573 K. 例句来源       The oxidation process of lead metal can be improved evidently by using a stronger stirring method to decrease the product layer. 例句来源       As the sinter descends, the lead silicates and ferrites react to form lead metal, hardystonite, and wustite. 例句来源       Lead(II) catecholate complexes were prepared by reduction of 3,6-di-tert-butyl-o-benzoquinone and its derivatives with lead metal in THF. 例句来源       更多                    In this paper,the mathematical expression of the limiting spread de- gree in the rolling passes and the influence of the limiting spread degree coefficient on the deformation in the open web-cutting rolling passes are discussed.The experiments have been carried out by the facilities of φ130 experimental two-high mill and with the samples of lead metal.The re- gression equations are thus established on the basis of experimental data for estimating the coefficients of pulling down in flange height...             本文讨论了限制宽展程度的数学表达式和限制宽展程度系数对开口切入孔型中变形的影响。实验是在φ130二辊实验轧机上用铅试料进行的。根据实验数据利用数理统计方法建立了予报凸缘高向拉缩系数和轧件宽展系数的回归方程。通过分析和比较,这些回归方程可写成如下形式λ=λ_o+K_1η(((B_o)/(B_k))-1),β=β_o-K_2η(((B_o)/(B_k))-1). 文摘来源          Studies on the formation of ternary complex of silver with 3,6-dichloro-2', 4', 5',7'-tetrabromofluorescein in the presence of 1,10-phenanthroline and the composition of this complex were carried out. The colour is developed in pH 4～7. The ratio of this complex is Ag:phen:DCTBF=1:2:1. The maximum absorption occurs at 590 nm. The molar absorption coefficient is 7.6×10~4l·mol~(-1)·cm~(-1). EDTA and ammonium citrate are used to increase the selectivity. This method is useful for determination of trace amounts ...             本文研究了银(Ⅰ)在1,10-菲啰啉(phen)存在下与3,6-二氯-2′,4′,5,7′-四溴荧光紊(DCTBF)形成三元络合物的条件和组成。络合物的组成为:Ag:phen:DCTBF=1:2:1。其最大吸收波长为590毫微米。摩尔吸光系数ε_(590)=7.6×10~4。用EDTA和柠檬酸铵掩蔽干扰离子以增强选择性。本法可用于金属、污水等试样中微量银的测定。方法简便、快速、重现性较好。 文摘来源          The authors prepared lead dioxide electrode successfully by deposit lead dioxide on the base of ABS plastics. They studied the cohesive force between the precipitating layer and the surface of the plastics, the anodic characteristic properties of the electrode, the corrosive velocity of lead dioxide and the application of the electrode in preparing lead metal, ozone, sodium perchlorate etc. by electrolyzation method and have got valuable results in practice.             在ABS塑料基体上用沉积二氧化铅的方法制造出了二氧化铅电极,这在国内尚未见报道。本文作者还对电极的阳极特性、二氧化铅腐蚀速率、沉积层与塑料表面结合力等性能,以及该电极在湿法电解炼铅、电解制取臭氧和高氯酸钠等方面的应用进行了研究,取得了有实际应用价值的结果。 文摘来源   << 更多相关文摘         相关查询: metal lead heavy metal lead metal composite lead pure lead metal lead battery metal metal lead frame high pure lead metal metal metal sheath of lead lead () lead lead base white metal  对查询结果不满意

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