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溶出催化
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  stripping catalytic
     The Determination of Trace Germanium by Adsorptive Stripping Catalytic Voltammetry
     吸附溶出催化伏安法测定痕量锗
短句来源
     A new method for the determination of trace germanium by adsorptive stripping catalytic voltammetry was established.
     提出了吸附溶出催化伏安法测定痕量锗的方法。
短句来源
     Determination of Trace Palladium by Anodic Stripping Catalytic Voltammetry
     阳极溶出催化伏安法测定微量钯的研究
短句来源
     DETERMINATION OF TRACE MOLYBDENUM BY ADSORPTION STRIPPING CATALYTIC VOLTAMMETRY
     吸附溶出催化伏安法测定痕量钼的研究
短句来源
     Studies on the Adsorptive Stripping Catalytic System of Vanadium ( Ⅴ )
     钒(Ⅴ)的吸附溶出催化体系的研究
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  “溶出催化”译为未确定词的双语例句
     CATALYTIC ANODIC STRIPPING VOLTAMMETRIC DETERMINATION OF L-DOPA
     阳极溶出催化伏安法测定L-DOPA
短句来源
     Theory of Anodic Stripping-Catalysis Voltammetry Ⅰ.Stripping Process at a Reversible Electrode
     阳极溶出催化伏安法的理论研究 Ⅰ.可逆电极溶出
短句来源
     Theory of Anodic Stripping-Catalysis Voltammetry Ⅱ.Stripping Process at an Irreversible Electrode
     阳极溶出催化伏安法的理论研究 Ⅱ.不可逆电极溶出
短句来源
     The peak hight is directly proportional to the concentration of Te(Ⅳ) in the range of 1×10~(-7) to 4×10~(-9)M. Having electrolized for 30 min.
     溶出催化电流与碲的浓度在1×10~(-7)—4×10~(-9)M范围内有线性关系。
短句来源
     DETERMINATION OL TRACE ARSENIC BY SIRIPPING CATALYTIC VOLTAMMETRY
     溶出催化伏安法应用研究——微量砷的测定
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  相似匹配句对
     CATALYTIC ANODIC STRIPPING VOLTAMMETRIC DETERMINATION OF L-DOPA
     阳极溶出催化伏安法测定L-DOPA
短句来源
     Studies on Stripping-Catalytic Process of Palladium
     钯的阳极溶出催化过程研究
短句来源
     catalyst A340;
     催化催化 ;
短句来源
     CATALYTIC TITRATION
     催化滴定
短句来源
     Stripping Amperometric Titration
     溶出电流滴定法
短句来源
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The common electrochemical techniques for determination of trace selenium (Ⅳ) are the stripping voltametry and the one making use of polaro-graphic catalytic wave. We combined this two techniques and established a novel method, cathodic stripping catalytic polarography, for the determination of trace selenium. The various experimental conditions and their influence on the results were studied. The method was applied to the ana-lyisis of some practical samples. By using of a Model 883 polarograph with a rotation...

The common electrochemical techniques for determination of trace selenium (Ⅳ) are the stripping voltametry and the one making use of polaro-graphic catalytic wave. We combined this two techniques and established a novel method, cathodic stripping catalytic polarography, for the determination of trace selenium. The various experimental conditions and their influence on the results were studied. The method was applied to the ana-lyisis of some practical samples. By using of a Model 883 polarograph with a rotation glass carbon electrode, after enrichment by electrolysis for 3-5 minutes a concentration in the range of 4×10-9-1×10-7M selenium could be determined or after enrichment for 20-30 minutes a detection limit of 7 ×10-10M selenium was reached. The oxygen in the system was unnecessary to be removed. The electrode process during the stripping catalysis of selenium was also studied with the combination of glass carbon electrode and a bulk mercury. The reaction mechanism involved in this process was discussed.

本文提出将溶出伏安法和极谱催化法结合起来,用溶出催化波来测定微量硒;考察了各种试验条件及其它离子对分析结果的影响,并对实样进行了分析测定。用国产883型笔录式极谱仪,配用旋转玻碳电极测定硒,电解富集3—5分钟,可定量测定浓度在4×10~(-9)—1×10~(-7)M范围内的硒;富集20—30分钟,硒的检出下限为7×10~(-10)M。测定时不必除氧。在测定硒的基础上,用玻碳电极和大汞电极相配合,对硒的溶出催化电极过程进行了研究,探讨了此过程中各步反应的机理。

A novel method for the determination of trace tellurium by anodic stripping-catalytical wave has been established.The tellurium(Ⅳ) is concentrated by electrolysis on the surface of glassy carbon electrode at -0.7V (vs. SCE) in a base-solution containing 1.2M NaCl or 1MNaBr-0.02M HClO_4. Then, the glassy carbon electrode is moved into another solution containing 0.01M SnCl_2, 0.18M HCl and 1.5M H_2SO_4. Tellurium is stripped when the potential of the working electrode is scanned backward. Since Te(Ⅱ), which is...

A novel method for the determination of trace tellurium by anodic stripping-catalytical wave has been established.The tellurium(Ⅳ) is concentrated by electrolysis on the surface of glassy carbon electrode at -0.7V (vs. SCE) in a base-solution containing 1.2M NaCl or 1MNaBr-0.02M HClO_4. Then, the glassy carbon electrode is moved into another solution containing 0.01M SnCl_2, 0.18M HCl and 1.5M H_2SO_4. Tellurium is stripped when the potential of the working electrode is scanned backward. Since Te(Ⅱ), which is produced by electrooxidization at about +0.4V, is reduced to elemental form by SnCl_2 in the second base-solution at once, the stripping-catalytic wave with a peak appears. The peak hight is directly proportional to the concentration of Te(Ⅳ) in the range of 1×10~(-7) to 4×10~(-9)M. Having electrolized for 30 min., it is possible to detect 8×10~(-10)M Te(Ⅳ) with a classical polarograph. The relative standard deviation is ±9.4% for solid samples containing parts per million Te.

本文提出了利用阳极溶出催化波测定微量碲的方法。 在氯化钠或溴化钠底液中,把碲电解富集在玻璃碳电极上,然后在含有氯化亚锡、盐酸、硫酸和高氯酸的催化体系中进行溶出催化,获得溶出催化波。文中考察并确定了最佳测定条件。溶出催化电流与碲的浓度在1×10~(-7)—4×10~(-9)M范围内有线性关系。最低浓度测定到8×10~(-10)M。用本方法对天然水和固体样品中的微量碲进行了测定,均得满意结果。

A new method for determination of trace palladium by anodic stripping-catalytic voltammetry has been established. The Pd( Ⅱ ) was deposited with Hg (Ⅱ) on aglassy carbon electrode in NaCl-HCl-HgCl2 base-solution at -0.80V for several minutes. After the depositing, the glassy-carbon electrode was removed itno another cell containing a catalytic system, HClO4-HCl-SnCl2. A strippihg-catalytic peak of Pd at 0.40V(vs. Ag/AgCl) appeared when the potential was scanned forward positive. The height of the peak was linearly...

A new method for determination of trace palladium by anodic stripping-catalytic voltammetry has been established. The Pd( Ⅱ ) was deposited with Hg (Ⅱ) on aglassy carbon electrode in NaCl-HCl-HgCl2 base-solution at -0.80V for several minutes. After the depositing, the glassy-carbon electrode was removed itno another cell containing a catalytic system, HClO4-HCl-SnCl2. A strippihg-catalytic peak of Pd at 0.40V(vs. Ag/AgCl) appeared when the potential was scanned forward positive. The height of the peak was linearly increased with the concentration of Pd( Ⅱ ) over the range of 3 × 10-10- 1×10-7M. The detection limit was 1.2× 10-10M. The relative standard derivations were less than ± 7.5%.

本文提出了用阳极溶出催化伏安法测定微量钯的方法,找到了灵敏度较高的富集底液和催化体系,钯在3×10~(10)—1×10~(-7)M浓度范围内呈线性关系,最低检出浓度为1.2×10~(-10)M。

 
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