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simultaneous determination of cu
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  同时测定铜
     The simultaneous determination of Cu 2+ and Zn 2+ is performed by using the forth derivative spectrophotometry.
     用Mn2 + 减少试剂峰对Zn2 + 测定的影响 ,其四阶导数光谱能同时测定铜和锌。
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     A soft thresholding wavelet partial least squares (STWPLS) method was developed to perform simultaneous determination of Cu(Ⅱ), Cd(Ⅱ) and Zn(Ⅱ).
     建立了一种小波软阈值法 (STWPLS)同时测定铜 (Ⅱ )、镉 (Ⅱ )、锌 (Ⅱ )方法。
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     Simultaneous Determination of Cu,Cd and Ni by Spectrophotometry with Artificial Neural Network
     分光光度法结合人工神经网络同时测定铜、镉和镍
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     Simultaneous Determination of Cu, Zn, Co and Ni by Multiwavelength Spectrophotometry with Regressive-Orthogonal Design
     正交回归多波长光度法同时测定铜、锌、钴和镍
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     Simultaneous determination of Cu,Co and Ni by spectrophotomentry
     分光光度法同时测定铜、钴、镍
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  同时测定cu
     Simultaneous Determination of Cu~(2+)、Pb~(2+)、Hg~(2+) and Cd~(2+) by PCR-Spectrophotometry
     主成分回归法同时测定Cu~(2+)、Pb~(2+)、Hg~(2+)和Cd~(2+)
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     Simultaneous determination of CuⅡ,NiⅡ,CrⅢ three-components mixture by Elman recurrent neural network in absorption spectra
     吸收光谱Elman回归神经网络同时测定CuⅡ,NiⅡ,CrⅢ3组分混合物
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     Study on the Method of Simultaneous Determination of Cu, Zn, Ni by Linear Programming-Derivative Spectrophotometry
     线性规划-导数分光光度法同时测定Cu、Zn、Ni的方法研究
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     Abstract The simultaneous determination of Cu, Pb, cd, and Cr by derivative polarographic wave in the bottom solution system of 0.12 mol/L NH_4Ac-0.006% H- Cup were applied to analyse the waste water, and the results are quite in accord with atomic absorptive spectrometry.
     本文以0.12mol/L NH_4Ac-0.006%HCup(铜铁试剂)为极谱催化波底液体系,同时测定Cu、Pb、Cd、Cr离子,应用于环境水质的分析,与原子吸收法对照试验,结果相当吻合。
短句来源
     The effect of regent on the determination of Zn2+ is lowered by Mn2+. The simultaneous determination of Cu2+ and Zn2+ can be performed by using the forth order derivative spectrophotometry.
     用Mn2+减少试剂峰对Zn2+测定的影响,其四阶导数光谱能同时测定Cu2+和Zn2+。
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  “simultaneous determination of cu”译为未确定词的双语例句
     Simultaneous Determination of Cu, Pb, Zn, Mn and Cd in Surface Water by IRIS/AP-ICP-AES
     IRIS/AP-ICP-AES法同时测定地表水中的Cu、Pb、Zn、Mn和Cd
短句来源
     SIMULTANEOUS DETERMINATION OF Cu, Pb, Zn, Cd, Fe, Co,Ni AND Mn IN U_3O_8 BY SQUARE WAVE VOLTAMMETRY
     方波伏安法同时测定U_3O_8中Cu、Ph、Zn、Cd、Fe、Co、Ni、Mn
短句来源
     Simultaneous determination of Cu(Ⅱ),Fe(Ⅲ),Ni(Ⅱ) and Fe(Ⅱ) in the wastewater by multi-wavelength linear regression
     多波长线性回归法同时测定废水中的Cu(Ⅱ)、Fe(Ⅲ)、Ni(Ⅱ)、Fe(Ⅱ)
短句来源
     SIMULTANEOUS DETERMINATION OF CuⅡAND NiⅡIN THE PRESENCE OF TWEEN-80 BY 5-Br-PADAP SPECTROPHOTOMETRY
     非离子表面活性剂Tween-80存在下5-Br-PADAP分光光度法测定微量CuⅡ和NiⅡ
短句来源
     A method for the simultaneous determination of Cu,Fe,Mn,Zn,Ca,Mg,P,Pb,Cr,Cd in formula feed by ICP-AES was presented.
     采用ICP-AES法同时测定配合饲料中Cu、Fe、Mn、Zn、Ca、Mg、P、Pb、Cr、Cd元素的含量。
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  simultaneous determination of cu
Neutron activation analysis has been used for the simultaneous determination of Cu, Mn, Zn and Na in plant materials.
      
The t-HPSAM is employed for simultaneous determination of Cu(II) and Zn(II) using murexide as chromogenic reagent.
      
A program (PWPTERNN) was designed that could perform the simultaneous determination of Cu(II), Cd(II) and Zn(II).
      
A selective, sensitive and reliable voltammetric method for the simultaneous determination of Cu and Mo is developed.
      
Simultaneous determination of Cu-Co and Cu-Ni using the copper ion selective electrode
      
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Rapid polaropraphy with the mercury film electrode was applied to the simultaneous determination of Cu2+, Pb2+, Cd2+ and Zn2+ in water. When these ions were electrolyzed in 0.15M NH4Gl medium for 10 min. at -1.3V (VS. Ag- Hg electrode), the metals were elcctrodeposited on a mercury film electrode, and an anodic dissolution curve was recorded by an X-Y functional recorder from -1.3V to -0.1V. The peak heights were linear with concentrations within the range or 10-6M-10-8M for Cu, Pb, Zn and of 10-6M-10-9M...

Rapid polaropraphy with the mercury film electrode was applied to the simultaneous determination of Cu2+, Pb2+, Cd2+ and Zn2+ in water. When these ions were electrolyzed in 0.15M NH4Gl medium for 10 min. at -1.3V (VS. Ag- Hg electrode), the metals were elcctrodeposited on a mercury film electrode, and an anodic dissolution curve was recorded by an X-Y functional recorder from -1.3V to -0.1V. The peak heights were linear with concentrations within the range or 10-6M-10-8M for Cu, Pb, Zn and of 10-6M-10-9M for Cd. This method is suitable for the determination of trace amounts of these elements in water.

快速极谱仪与汞膜电极联用,阳极溶出伏安法同时测定水中铜、铅、镉、锌。在O.15MV氯化铵介质中,调节pH至5.5,于一1.3伏电解10分钟(对Ag-Hg电极),这些金属便电沉积在汞膜电极上,并用记录仪于-1.3伏~-0.1伏记录阳极溶出曲线。10~(-6)M~10~(-8)M的铜、铅、锌和10~(-6)M~10~(-9)M的镉,其浓度与峰高呈线性关系。此法适用于测定水质中的这些痕量元素。

Possibility of the simultaneous determination of trace metals (Cu, Pb, Cd, Zn) by both anodic stripping voltammetry (ASV) and differential pulse anodic stripping voltammetry (DPS) at a rotatable glassy carbon electrode coated in situ with a thin mercury film was studied. Experimental results showed that the difficulty of simultaneous determination of those metals was connected with the formation of intermetallic compound in amalgam, in particular with the interaction of Zn and Cu....

Possibility of the simultaneous determination of trace metals (Cu, Pb, Cd, Zn) by both anodic stripping voltammetry (ASV) and differential pulse anodic stripping voltammetry (DPS) at a rotatable glassy carbon electrode coated in situ with a thin mercury film was studied. Experimental results showed that the difficulty of simultaneous determination of those metals was connected with the formation of intermetallic compound in amalgam, in particular with the interaction of Zn and Cu. It is not difficult to determine simultaneously Cu, Pb and Cd or Zn, Pb and Cd in non—polluted enviromental samples. For the solution with Cu~(2+), Zn~(2+), Cd~(2+) , Pb~(2+) a new peak before Cu peak is displayed when ASV is used.It is a stripping peak of Zn in Zn_xCu_y. Nonetheless it is possible to determine four metals by ASV simultaneously. When DPS is used the deposition time can be shortened.The methode of the simultaneous determination of Cu, Pb, Cd and Zn was applied to examine the quality of distilled water and tap water.

本文用线性扫描阳极溶出伏安法(ASV)和微分脉冲阳极溶出伏安法(DPS)研究了在同位镀汞玻璃碳电极上同时测定铜、铅、镉、锌的可能性。实验证明同时测定这些离子的困难在于汞齐中形成金属间的化合物;干扰主要取决于铜和辞在汞齐中的相互作用;对一般未污染的环境样品用ASV或DPS同时测定铜、铅、镉或锌、铅、镉不会产生固难;用ASV同时测定铜、铅、镉、锌时在铜的溶出峰前出现一个铜辞化合物中辞的溶出峰,按本文所提出的测量峰电流的方法可以同时测定上述四种离子;用DPS可以用较短的富集时间同时测定这些离子。所制定的方法应用于鉴定蒸馏水及饮用水质量发现,由电加热蒸馏水器得到的蒸馏水会带来铜、铅的污染;济南地区各自来水厂水源中上述离子的含量大大低于国家规定的生活饮用水质标准。

A procedure for the anodic-stripping semidifferential electroanalytical simultaneous determination of Cu, Pb and Cd in activated carbon has been developed. With 0.1M KNO3-0.01M sodium tartrate (pH≌4) as supporting electrolyte, Cu, Pb and Cd give well-defined neopolarograms. The linear calibration curves are obtained for 1.0 × 10~(-9)-1.0 ×10~(-7)Cu(Pb)g/ml and 1 .0 × 10~(-l0)-1.0 × 10~(-7)Cdg/ml. The amount of Cu, Pb and Cd is determined by the standard addition method. It is found that...

A procedure for the anodic-stripping semidifferential electroanalytical simultaneous determination of Cu, Pb and Cd in activated carbon has been developed. With 0.1M KNO3-0.01M sodium tartrate (pH≌4) as supporting electrolyte, Cu, Pb and Cd give well-defined neopolarograms. The linear calibration curves are obtained for 1.0 × 10~(-9)-1.0 ×10~(-7)Cu(Pb)g/ml and 1 .0 × 10~(-l0)-1.0 × 10~(-7)Cdg/ml. The amount of Cu, Pb and Cd is determined by the standard addition method. It is found that 1000-fo1d Al(Ⅲ), Ca(Ⅱ), Mg(Ⅱ) and 50-fo1d Cr(Ⅲ ), Fe(Ⅲ), Mn(Ⅱ) do not interfere with the determination under the selected experimental conditions.

本文提出以0.1M KNO3-0.01M酒石酸钠(pH=4)为支持电解质,采用玻碳汞膜电极阳极 溶出半微分电分析法,同时测定活性炭中痕量铜、铅、镉。在所选择的实验条件下,1:1000倍 Al(Ⅲ)、Ca(Ⅱ)、Mg(Ⅱ)和 l:50倍Cr(Ⅲ)、Fe(Ⅲ)、Mn(Ⅱ)对测定没有干扰。方法简便,快 速,灵敏度高.

 
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