全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Bingwen Yu , Wei Jin , Dan Zhu ...
来源:[J].Chemical Research in Chinese Universities(IF 0.735), 2016, Vol.32 (4), pp.549-555Springer
摘要:Abstract(#br)In order to obtain a stable plasma and improve the performance of the torch for atomic emission spectroscopy( AES), the structure of microwave plasma torch(MPT) was analyzed. The transmission and distribution characteristics of the electromagnetic field of the torch...
作者:C. Prokisch , A.M. Bilgic , E. Voges ...
来源:[J].Spectrochimica Acta Part B: Atomic Spectroscopy(IF 3.141), 1999, Vol.54 (9), pp.1253-1266Elsevier
摘要:Abstract(#br)In this work the determination of electron number densities and electron temperatures for the case of a modified microwave plasma torch (MPT) operated at 100 W with argon by means of spatially resolved Thomson scattering measurements and photographic records of the MPT...
作者:Yangwei Ying , Wei Jin , Haixiang Yu ...
来源:[J].Journal of Chemometrics(IF 1.937), 2017, Vol.31 (1), pp.n/a-n/aWiley
摘要:... In this paper, particle swarm optimization–support vector regression combined with microwave plasma torch–atomic emission spectrometry (MPT‐AES) was used, for the first time, for quality control of ginseng. To build calibration models, quantitative determination of tar...
作者:Yangwei Ying , Wei Jin , Yuwei Yan ...
来源:[J].Chemometrics and Intelligent Laboratory Systems(IF 2.291), 2018, Vol.176, pp.82-88Elsevier
摘要:... In this paper, a Gaussian process regression (GPR) is proposed to couple microwave plasma torch-atomic emission spectrometry (MPT-AES) for quantitative determination of multiple elements in ginseng. GPR as a probabilistic method is capable of dealing with massive data and ill...
作者:Shu-hua WANG , Guo-zhen LI , Jian-guang ZHOU ...
来源:[J].Chemical Research in Chinese Universities(IF 0.735), 2006, Vol.22 (5), pp.560-565Elsevier
摘要:Excitation( T exc ) and rotation( T rot ) temperatures were determined under different conditions for an oxygen-shielded argon microwave plasmsa torch source(OS-Ar-MPT). The T exc value, which was shown to be between 4300 and 5250 K under different operating conditions, was ca...
作者:Dan Zhu , Wei Jin , Bingwen Yu ...
来源:[J].Chemical Research in Chinese Universities(IF 0.735), 2017, Vol.33 (5), pp.709-713Springer
摘要:Traditional low power-microwave plasma torch(MPT) excitation source of atomic emission spectrometry was shown to be good for the introduction of dry aerosols, but poor for wet sample aerosols. In this work, some significant modifications have been made to traditional MPT. A new MPT...
作者:金钦汉 , 周建光 , 曹彦波 ...
来源:[J].现代科学仪器, 2002, (04), pp.3-11CNKI
摘要:MPT(MicrowavePlasmaTorch)光谱仪是以吉林大学首创的微波等离子体炬 (即MPT)为激发光源而研制出来的具有完全自主知识产权、世界领先的新式光谱分析仪器。研制中开发了大量光、机、电、计算机和化学方面的...
被引频次:11下载频次:210
作者:赵爽 , 张金生
来源:[J].科学技术与工程, 2010, (01), pp.42-46CNKI
摘要:采用微波消解技术消解芦荟,利用微波等离子体炬原子发射光谱法(MPT—AES)测定了元江芦荟和华芦荟中Ca、Mg、Fe、Zn元素的含量。考察了分析谱线、微波前向功率、载气流量、工作气流量、氧屏蔽气压力等实验...
被引频次:5下载频次:119
作者:张金生 , 李丽华 , 金钦汉
来源:[J].分析化学(IF 0.769), 2005, (05), pp.690-694CNKI
摘要:采用微波消解技术消解原油和渣油,利用微波等离子体炬原子发射光谱法测定原油和渣油中的Fe、Ni、Cu、Na。考察了原油和渣油的最佳消解条件、各元素测定条件及共存元素对测定的影响。方法对Fe、Ni、Cu和...
被引频次:33下载频次:300
作者:陈颖 , 李承跃 , 季天仁
来源:[J].强激光与粒子束, 2011, (10), pp.2715-2718CNKI
摘要:设计了一种新型的大气压微波等离子体炬结构。入射主频为2 450MHz,基于HFSS软件对其进行了仿真研究。在仿真过程中,对该结构的各个参数进行了优化,并得出对场强分布的影响规律。结果表明,探针的使用对腔内场...
被引频次:4下载频次:110

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