| Novel method for simultaneous measurement of film thickness and mass fraction of urea–water solution |
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| 引用本文： | 杨荟楠,郭晓龙,苏明旭,蔡小舒.Novel method for simultaneous measurement of film thickness and mass fraction of urea–water solution[J].Chinese Optics Letters,2014(12):133-136. |
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| 作者姓名： | 杨荟楠 郭晓龙 苏明旭 蔡小舒 |
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| 基金项目： | supported by the National Natural Science Foundation of China(No.51306123);the Joint Specialized Research Fund for the Doctoral Program of Higher Education(No.20133120120008) |
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| 摘 要： | Quantitative knowledge of the film thickness and mass fraction of the urea-water solution is very crucial in many practical applications. Film thickness or mass fraction can only be determined individually by conventional measurement techniques. We develop a novel measurement method to measure the film thickness and mass fraction of ure~water solution simultaneously. The absorption coefficients of urea-water solution （5 50 wt%） are measured, a pair of optimized wavelengths is then chosen to achieve high measurement sensitivity. Cross validation is also performed and uncertainties of the technique are smaller than 0.68% for thickness measurements and 1.86% for mass fractions.
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| 关 键 词： | 溶液质量分数 尿素水溶液 同时测量 膜厚度 测量技术 测量灵敏度 测量方法 吸收系数 |
Novel method for simultaneous measurement of film thickness and mass fraction of urea-water solution |
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| Abstract: | |
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| Keywords: | simultaneous water solution validation chosen fitting collision spectrometer sections deviation positions |
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