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Improvement of quantitative analysis of molybdenum element using PLS-based approaches for laser-induced breakdown spectroscopy in various pressure environments
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作者 刘佳敏 吴鼎 +4 位作者 彩龙 海然 于潇 孙立影 丁洪斌 《等离子体科学与技术:英文版》 SCIE EI CAS CSCD 2019年第3期140-147,共8页
An experimental setup has been designed and realized in order to optimize the characteristics of laser-induced breakdown spectroscopy system working in various pressure environments.An approach combined the normalizat... An experimental setup has been designed and realized in order to optimize the characteristics of laser-induced breakdown spectroscopy system working in various pressure environments.An approach combined the normalization methods with the partial least squares(PLS)method are developed for quantitative analysis of molybdenum(Mo)element in the multi-component alloy,which is the first wall material in the Experimental Advanced Superconducting Tokamak.In this study,the different spectral normalization methods(total spectral area normalization,background normalization,and reference line normalization)are investigated for reducing the uncertainty and improving the accuracy of spectral measurement.The results indicates that the approach of PLS based on inter-element interference is significantly better than the conventional PLS methods as well as the univariate linear methods in the various pressure for molybdenum element analysis. 展开更多
关键词 laser induced BREAKDOWN SPECTROSCOPY MOLYBDENUM vacuum NORMALIZATION partial least SQUARES method quantitative analysis
Numerical simulation of laser ablation of molybdenum target for laser-induced breakdown spectroscopic application
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作者 彩龙 王奇 丁洪斌 《等离子体科学与技术:英文版》 SCIE EI CAS CSCD 2018年第8期58-64,共7页
关键词 激光 数字模拟 故障 分光镜 热传导方程 数字模型 繁殖速度 波长范围
玻璃熔窑蓄热室蜂巢式格子体设计 预览
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作者 彩龙 李信萱 《中国玻璃》 2011年第1期 7-15,共9页
本文将自行设计的蜂巢式蓄热室格子砖与几种常见的玻璃熔窑格子砖作对比,优化设计思路,通过对蓄热室格子体换热性能的分析,利用三维数值模拟,从格子体的设计形式、蓄热式的结构、各项参数的计算以及耐火材料的选择,提出更为合适的... 本文将自行设计的蜂巢式蓄热室格子砖与几种常见的玻璃熔窑格子砖作对比,优化设计思路,通过对蓄热室格子体换热性能的分析,利用三维数值模拟,从格子体的设计形式、蓄热式的结构、各项参数的计算以及耐火材料的选择,提出更为合适的砖体设计,并针对格子体的工况条件,通过实际计算,对蜂巢式格子体蓄热室的节能效果进行了可行性论证。 展开更多
关键词 蜂巢 蓄热室 格子体 参数 耐火材料
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