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参比测量
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  “参比测量”译为未确定词的双语例句
     In a medium of H 2SO 4 the Cl - were removed by the KMnO 4 oxidation and the superfluous KMnO 4 was reducted by the HCOONa. After the IO - 3 in salt were reduced by the I -,the I 2 were extracted by CCl 4,and the absorption of the complex was measured at 520nm.
     在 H2 SO4介质中 ,用 KMn O4氧化除去食盐中 Cl-,用 HCOONa还原过剩的 KMn O4后加 KI还原食盐中 IO-3 为游离碘 ,CCl4萃取溶液中游离碘 ,于5 2 0 nm处 ,以水作参比测量吸光度。
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     At the maximum excitation wavelength 297 nm, fluorescence quantum yield of SSA is 0.54.
     以硫酸奎宁为参比 ,测量了SSA在不同波长下的荧光量子产率 ,在最大激发波长 2 97nm处的荧光量子产率为 0 5 4。
短句来源
     The lifetime decay curves were measured. The fluorescence quantum yields were investigated by comparison with a luminescence standard,and the yields were 0.34,0.12 for the solid and in DMSO. The lowest triplet level of H_2L ligand was calculated from the phosphorescence of Gd-H_2L complex,and the energy transfer mechanism in the complex was discussed.
     测定了配合物在固态及二甲亚砜溶液中的荧光衰减曲线,并以Y2O3为参比,测量了配合物的荧光量子产率,在最大激发波长292 nm处的荧光量子产率是0.34.并由Gd-H2L配合物的磷光光谱的最大发射波长计算出配体H2L的最低三重态能级,讨论了配合物的能量转移机理.
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  相似匹配句对
     The Compensation Measure for Dynamic Measurement by Using Reference Channels
     动态测量中的通道补偿法
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     Three measurement beams and their reference beams are detected simultaneously.
     三个测量光束和光束同时检测.
短句来源
     Measurement of skin diffuse reflectance ratio of laser radiation
     皮肤的激光漫反射测量
短句来源
     A Silver-Silver Chloride Reference Electrode
     AglAgCl电极的研制
短句来源
     Reference&Comparison Method for Improving the Accuracy of Visibility Measurement
     提高能见度测量精度的一种新方法──测量
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  reference measurement
Development and evaluation of a candidate reference measurement procedure for the determination of testosterone in human serum u
      
A candidate reference measurement procedure for total testosterone in human serum involving isotope dilution (ID) coupled with liquid chromatography/tandem mass spectrometry (LC/MS/MS) has been developed and critically evaluated.
      
Evaluation of resistivity data comprises modified double mass calculations versus data from reference measurement sites, which enables detection of contamination although it influences the resistivity less than the natural seasonal variations.
      
The results exhibit very good agreement with a reference measurement performed with a fast FTIR Spectrometer.
      
These data were compared to a reference measurement (saturable detector sampling scheme); the results show that the interarrival time weighting method compares favorably with the reference measurement under the present conditions.
      
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Sample is fused by sodium peroxide and dipped into water,the Fe,Mn,Cu,Nb,Ta are deposited and separated from W.Part of test solution is abstracted and in hydrochloric acid,W is reduced to quintavalent W and producing yellow complex compound with patassium rhodanate by dual reducting agents of tin chloride and titanium oxide.In 5cm absorption vessel,yellow complex is measured with absorption spectrum at 405nm refered to agent blanked.

试样经过氧化钠熔融,以水浸取,铁、锰、铜、铌、钽进入沉淀与钨分离。吸取部分试液,在盐酸介质中,以氯化亚锡—三氯化钛双还原剂将钨(Ⅵ)还原成五价并与硫氰酸钾生成黄色络合物。以5cm吸收皿,在405nm处以试剂空白为参比测量吸光度。结果准确,操作简便。

A improved spectrophotometric method for the determination of trace iodine in salt was studied.In a medium of H 2SO 4 the Cl - were removed by the KMnO 4 oxidation and the superfluous KMnO 4 was reducted by the HCOONa.After the IO - 3 in salt were reduced by the I -,the I 2 were extracted by CCl 4,and the absorption of the complex was measured at 520nm.Beer's law is obeyed in the range of 2×10 -4 —1×10 -3 mol·L -1 for iodine.The regression equation is C=0.001454A-0.00001127, and the...

A improved spectrophotometric method for the determination of trace iodine in salt was studied.In a medium of H 2SO 4 the Cl - were removed by the KMnO 4 oxidation and the superfluous KMnO 4 was reducted by the HCOONa.After the IO - 3 in salt were reduced by the I -,the I 2 were extracted by CCl 4,and the absorption of the complex was measured at 520nm.Beer's law is obeyed in the range of 2×10 -4 —1×10 -3 mol·L -1 for iodine.The regression equation is C=0.001454A-0.00001127, and the correlation coefficient is 0.9999.The method is accurate, quick and convenient .It is used in the determination of salt with the satisfactory results.

改进了有机溶剂萃取分光光度法测定食盐中碘的方法。在 H2 SO4介质中 ,用 KMn O4氧化除去食盐中 Cl-,用 HCOONa还原过剩的 KMn O4后加 KI还原食盐中 IO-3 为游离碘 ,CCl4萃取溶液中游离碘 ,于5 2 0 nm处 ,以水作参比测量吸光度。碘的浓度在 2× 10 -4— 1× 10 -3 mol· L-1范围内符合比耳定律 ,回归方程为 :C=0 .0 0 14 5 4A- 0 .0 0 0 0 112 7,相关系数 r=0 .9999。该方法简单 ,准确 ,应用于食盐中碘的测定 ,结果令人满意。

 
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