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determination of component
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  “determination of component”译为未确定词的双语例句
    Determination of Component Value x in the Hg_(1-x)Zn_xTe by Atomic Absorption Spectrophotometry
    用原子吸收光度法测定Hg_(1-x)Zn_xTe中锌的组分数
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    Determination of Component Concentrations in Mixtures of Acids by Factor Analysis
    因子分析法在混合酸各组分浓度测定中的应用
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    Determination of Component of Gold Thin Films by ICP AES
    金膜组分的ICP-AES法分析
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    Direct Determination of Component Content in Rare Earth Concentrate by ICP-AES
    ICP-AES测定南方离子型稀土精矿中稀土配分
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    Determination of Component of Vanadium Titanium Magnetite by X-ray Fluorescence Spectrometry
    X射线荧光光谱法测定钒钛磁铁矿成分
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  determination of component
The Global Field Power measurement (GFPM) was proposed as a method for the determination of component latency in multichannel evoked potential (EP) recordings (Lehmann and Skrandies 1980).
      
We describe our difficulties in assessing risk factors, in interpreting the radiographs and in the intraoperative determination of component instability.
      
A new approach for determination of component number in chemical system: Subspace comparison
      
Molecular weight determination of component polypeptides of glutenin after fractionation by gel filtration.
      


Rapid determination of components in stevia by HPLC was reported in this paper, using aRI detector and a column of μ-Bondapak NH_2 which is prefixed with a column of BondapakAX/ Corasil and using CH_3CN: (NH_4)_2HPO_4 0.02 M solution (75:25) as eluent at a flow rateof 2.0ml/min.

本文介绍了用高效液相色谱法分离测定甜菊糖甙的四种成分,测定了各成分的相对百分含量及甜菊饮料制品中各糖甙成分及糖类的含量,并做了精密度和回收率的验证。该法简便快速,效果良好。色谱条件为:μ-Bondapak NH_2往,柱前加Bondapak AX/Corasil预柱;乙腈:0.02M(NH_4))2 HPO_4水溶液=75:25作流动相,流速为2.0ml·min~(-1);示差折光检测。

The principal component analysis(PCA) method for simultaneous determination of components in mixtures is developed and described. In this method, a mathematical model is obtained from a set of samples of known composition and is then used to predict the contents of unknown samples. This method is practically applied to the simultaneous determination of Tungsten, molybdenum, tin and titanium in mixture with chromogentic reagent phenylfluorone in the presence of cetyltrimethylammonium bromide....

The principal component analysis(PCA) method for simultaneous determination of components in mixtures is developed and described. In this method, a mathematical model is obtained from a set of samples of known composition and is then used to predict the contents of unknown samples. This method is practically applied to the simultaneous determination of Tungsten, molybdenum, tin and titanium in mixture with chromogentic reagent phenylfluorone in the presence of cetyltrimethylammonium bromide.

本文采用主成份分析法处理钨、钼、锡、钛-苯基萤光酮-CTMAB体系的吸光度数据,建立了主成份分析法完成多组份体系定量分析的数学模型。

The method lor quantitative determination of components in maleic modified rosin (MMR) by temperature programmed OC has been established. The results showed that,after the sample of MMR was esterified by azimethylene in non-proton solvent (ethyl acetate) ,the methyl ester of maleopinaric acid (MPA) gave a single peak on the OV-101 glass chromatographic column (3mm X 2m). It was found that the peak of molecular ion of methyl ester of MPA was

本研究建立了一套理想的利用气相色谱快速分析马来松香组分含量的方法。结果表明,在OV-101玻璃色谱柱上,马来松香样品采用重氮甲烷在非质子介质中酯化,所得到的加合物甲酯的色谱峰为单峰。经GC-MS分析发现,该加合物甲酯的分子离子峰为414,系左旋海松酸甲酯马来酐加合物,只有游离羧基被酯化,酸酐环保留。在程序升温操作条件下,游离树脂酸部分各组分的色谱峰基本上得到完全分开。当以去氢枞酸甲酯峰为参比峰(f_M=1.000)、采用校正面积归一化法进行定量分析时,加合物组分的相对摩尔校正因子在其浓度为0~0.75(mol/L)的范围内保持不变,其f_M值为0.8315,相应的重量校正因子为1.096。分析方法的精确度较高,测量值的相对偏差为±0.6%左右。本方法可用于跟踪分析松香马来化反应过程中各组分随反应时间的变化,也可用于直接分析马来松香样品中各组分的含量。

 
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