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痕量    
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  trace
    SO_4~(2-) Type Base Negative Exchange Resin Absorption Separation of Trace Lead and Its Determination by Spectrophotometry
    强碱性SO_4~(2-)型阴离子交换树脂吸附分离-分光光度法测定痕量
短句来源
    Determination of Trace Lead in Toothpaste with Atomic Absorption Method
    原子吸收法测定牙膏中痕量
短句来源
    Determination of Trace Phenol by Derivative Spectrophotometry
    导数分光光度法对痕量苯酚的测定
短句来源
    Double Separation Concentration and High Sensitivity Coloration Method for Determination of Trace SNS
    双分离浓缩和高灵敏显色测定痕量 SNS
短句来源
    Research into test method of trace CIO~- concentration within micrometer scale of conductive film surface
    导电涂膜表面微米尺度内痕量CIO-浓度测定方法的研究
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  trace amounts
    Study on the Determination of Trace Amounts of Metal Impurities in High Purity Silver Nitrate
    高纯硝酸银中痕量金属杂质的测定研究
短句来源
    In the thesis,the determination of trace amounts of 11 metal impurities (Cu,Fe, Pb,Bi,Au,Pd,Ni,Mn,Cd,Cr and Hg) in high purity silver nitrate by inductively coupled plasma atomic emission spectrometry (ICP-AES) and inductively coupled plasma mass spectrometry (ICP-MS) was throughly studied.
    本文采用电感耦合等离子体发射光谱法(ICP-AES)和电感耦合等离子体质谱法(ICP-MS),对感光材料生产所需的主要原材料——高纯硝酸银中Cu、Fe、Pb、Bi、Au、Pd、Ni、Mn、Cd、Cr和Hg等11种痕量金属杂质含量的测定方法进行了较为系统的研究。
短句来源
    Based on the thesis,we constitute the method for determination of trace amounts of 11 metal impurities in high purity silver nitrate by ICP-MS.
    在本文研究结果的基础上,本研究制订了采用ICP一MS测定高纯硝酸银中痕量金属杂质的分析方法。
短句来源
  trace amounts of
    Study on the Determination of Trace Amounts of Metal Impurities in High Purity Silver Nitrate
    高纯硝酸银中痕量金属杂质的测定研究
短句来源
    In the thesis,the determination of trace amounts of 11 metal impurities (Cu,Fe, Pb,Bi,Au,Pd,Ni,Mn,Cd,Cr and Hg) in high purity silver nitrate by inductively coupled plasma atomic emission spectrometry (ICP-AES) and inductively coupled plasma mass spectrometry (ICP-MS) was throughly studied.
    本文采用电感耦合等离子体发射光谱法(ICP-AES)和电感耦合等离子体质谱法(ICP-MS),对感光材料生产所需的主要原材料——高纯硝酸银中Cu、Fe、Pb、Bi、Au、Pd、Ni、Mn、Cd、Cr和Hg等11种痕量金属杂质含量的测定方法进行了较为系统的研究。
短句来源
    Based on the thesis,we constitute the method for determination of trace amounts of 11 metal impurities in high purity silver nitrate by ICP-MS.
    在本文研究结果的基础上,本研究制订了采用ICP一MS测定高纯硝酸银中痕量金属杂质的分析方法。
短句来源
  trace amount
    Determination of the trace amount of cadmium in edible oil
    食用油中痕量镉含量的测定
短句来源

 

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  trace
Using related sequences of Lucas numbers, other 3-manifolds are constructed, their geometric structures determined, and a curious relationship between the homology and the invariant trace-field examined.
      
Trace Inequalities, Maximal Inequalities, and Weighted Fourier Transform Estimates
      
We show that the trace of an indefinitely oscillating function on a subspace of ?d is not always indefinitely oscillating.
      
In the periodic case, the number of oscillations of the trace depends on the regularity of the function.
      
As applications, we obtain characterizations of the Besov and Triebel-Lizorkin spaces on Lipschitz curves, and the trace theorem on Γ of the Besov spaces onR2.
      
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  trace amounts
Using trypsin as RRS probe, a sensitive method for the determination of trace amounts of DNA was developed.
      
Only trace amounts of radioactivity were detected in the lipids of chromatin prepared from isolated thymus nuclei after their incubation, and this suggested that lipids were mainly synthesized on the nuclear membrane.
      
The salt tolerant Rhodotorula glutinis yeast strain grew in medium containing nitrate, 1 mM tungsten, and trace amounts of molybdenum (as impurities from the reagents used).
      
The sugar chain of comaruman contains residues of D-galacturonic acid (64%), D-galactose (13%), L-rhamnose (12%), L-arabinose (6%), and trace amounts of xylose and glucose.
      
Updated investigation of the reaction between copper and naphthol blue black b and determination of trace amounts of copper in w
      
更多          
  trace amounts of
Using trypsin as RRS probe, a sensitive method for the determination of trace amounts of DNA was developed.
      
Only trace amounts of radioactivity were detected in the lipids of chromatin prepared from isolated thymus nuclei after their incubation, and this suggested that lipids were mainly synthesized on the nuclear membrane.
      
The salt tolerant Rhodotorula glutinis yeast strain grew in medium containing nitrate, 1 mM tungsten, and trace amounts of molybdenum (as impurities from the reagents used).
      
The sugar chain of comaruman contains residues of D-galacturonic acid (64%), D-galactose (13%), L-rhamnose (12%), L-arabinose (6%), and trace amounts of xylose and glucose.
      
Updated investigation of the reaction between copper and naphthol blue black b and determination of trace amounts of copper in w
      
更多          
  trace amount
Glucose, rhamnose, mannoze, glucosamine, galactosamine, KDO, a trace amount of heptoses, ethanolamine, phosphoethanolamine, alanine, and phosphorus were identified as the main core components.
      
The structure analysis shows that the growth mechanism of carbon whiskers is related to the trace amount of ZrC in the heated samples.
      
In addition, high performance liquid chromatography detected a trace amount of camptothecin and hydroxycamptothecin in the rhizospheric soil of Ca and CE, but examined neither camptothecin nor hydroxycamptothecin in rhizospheric soil of Ea.
      
The results demonstrate that all samples contain trace amount of structural OH.
      
In conjunction with secondary glucose uptake, the presence of a trace amount of ammonium increased the rate of PHB biosynthesis during the stage of PHB accumulation.
      
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