云南高校图书馆联盟文献共享服务平台- SELF-ABSORPTION

SELF-ABSORPTION: 作品数：24被引量：33H指数：3; 导出分析报告; 相关领域：理学核科学技术更多>>; 相关作者：王健张福俊更多>>; 相关机构：北京交通大学更多>>; 相关期刊：《Science Bulletin》《Frontiers of physics》《International Journal of Sediment Research》《Radiation Detection Technology and Methods》更多>>; 相关基金：国家自然科学基金国家教育部博士点基金中国博士后科学基金国家重点基础研究发展计划更多>>

Enhancing accuracy in gamma-ray spectrometry:mathematical methodology for self-attenuation correction in radioactive samples analysis: 《Radiation Detection Technology and Methods》2024年第4期1641-1651,共11页Islam M.Nabil K.M.El-Kourghly Y.Mohamed W.El-Gammal Yasser Y.Ebaid; Purpose This study introduces a methodology for correcting self-attenuation effects in γ-ray energy range 59 to 2614 keV.Methods Using simulation techniques,we examine the impact of material characteristics on attenu...; 关键词：Detector calibration MCNP HPGE Soil samples Self-absorption factor

The comparison of manganese spectral lines for self-absorption reduction in LIBS using laser-induced fluorescence被引量：1: 《Plasma Science and Technology》2023年第6期82-87,共6页唐云李菁锋马世祥胡桢麟彭旭翔周伟平袁晓沈萌; financially supported by National Natural Science Foundation of China(No.62005078);the Scientific Research Foundation of Hunan Provincial Education Department(No.21B0477);the Natural Science Foundation of Hunan Province(No.2020JJ5206)。; The detection of manganese(Mn)in steel by laser-induced breakdown spectroscopy(LIBS)provides essential information for steelmaking.However,self-absorption greatly disrupts the LIBS spectral lines of Mn with high conte...; 关键词：laser-induced breakdown spectroscopy SELF-ABSORPTION LIBS-LIF

Self-absorption effects of laser-induced breakdown spectroscopy under different gases and gas pressures被引量：1: 《Plasma Science and Technology》2023年第2期155-162,共8页王崧宁张殿鑫陈楠何亚雄张红柯川许涛陈永亮赵勇; National Key Research and Development Program of China(Nos.2017YFE0301306,2017YFE0301300,and 2017YFE0301506);Fujian Province Industrial Guidance Project(No.2019H0011).; The self-absorption effect is one of the main factors affecting the quantitative analysis accuracy of laser-induced breakdown spectroscopy.In this paper,the self-absorption effects of laserinduced 7050 Al alloy plasma...; 关键词：self-absorption coefficient ambient gases gas pressure laser-induced breakdown spectroscopy

Development of miniaturized SAF-LIBS with high repetition rate acousto-optic gating for quantitative analysis: 《Plasma Science and Technology》2023年第1期157-164,共8页陈斐侯佳佳王刚赵洋李佳轩王树青张雷张婉飞马晓飞刘珍荣罗学彬尹王保贾锁堂; National Key R&D Program of China(No.2017YFA0304203);National Energy R&D Center of Petroleum Refining Technology(RIPP,SINOPEC),Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China(IRT_17R70);National Natural Science Foundation of China(Nos.61975103,61875108,61775125 and 11434007);Major Special Science and Technology Projects in Shanxi(No.201804D131036);111 Project(No.D18001);Fund for Shanxi’1331KSC’。; The self-absorption effect in laser-induced breakdown spectroscopy(LIBS)reduces the accuracy of quantitative measurement results.The self-absorption-free LIBS(SAF-LIBS)has been proved to directly capture the optically...; 关键词：self-absorption-free LIBS(SAF-LIBS) self-absorption effect optically thin plasma high repetition rate laser acousto-optic gating

A calibration-free model for laser-induced breakdown spectroscopy using non-gated detectors: 《Frontiers of physics》2022年第6期175-183,共9页Zongyu Hou Weilun Gu Tianqi Li Zhe Wang Liang Li Xiang Yu Yecai Zhang Zijun Liu; supports from National Natural Science Foundation of China(No.51906124);Shanxi Province Science and Technology Department(No.20201101013);Guoneng Bengbu Power Generation Co.,Ltd.(20212000001);Scientific Research Program for Young Talents of China National Nuclear Corporation(2020).; Calibration-free(CF)laser-induced breakdown spectroscopy(LIBS)is normally only applicable for gated detectors due to its dependence on the assumption of a steady-state plasma.However,most currently available LIBS syst...; 关键词：laser-induced breakdown spectroscopy calibration-free nongated detector self-absorption correction

Meta-Study of Particulate Detection Losses on Radioactive Air Sample Filters: 《Journal of Environmental Protection》2022年第8期589-602,共14页J. Matthew Barnett Hunter Z. Edwards; Several mathematical relationships between air sample filter mass loading and the correlated analytical self-absorption factor were developed using data from other published research in this meta-study. Gross-alpha an...; 关键词：Air Sampling Environmental Radioactivity SELF-ABSORPTION Correction Factor Standards

Field-Strength Depression of Emitters Dispersed from a Point Source into a Cylindrical Volume: 《Journal of Applied Mathematics and Physics》2021年第4期545-555,共11页Palmer G. Steward; Dispersing emitters, whose emissions are consistent with the inverse square law, from a point into cylindrical shapes causes a field-strength depression which is strongly dependent upon the cylinder’s dimensions and ...; 关键词：Cylindrical Shapes Radionuclide Emissions Self-Absorption Component Dispersion Component Inverse Square Law

Nanocrystals for large Stokes shift-based optosensing被引量：1: 《Chinese Chemical Letters》2019年第10期1843-1848,共6页Ronghui Zhou Xiaomei Lu Qin Yang Peng Wu; financial support from the Youth Science Foundation of Sichuan Province (No. 2016JQ0019);the Postdoctoral Science Foundation of China (No. 52018M633359); Stokes shift is an important feature of fluorescence, which reveals the energy loss between the excitation and the emission. For most fluorescent materials(e.g., organic dyes and proteins), the large overlap between t...; 关键词：STOKES SHIFT SELF-ABSORPTION BAND gap Optical NANOCRYSTALS BIOSENSING

Study on element detection and its correction in iron ore concentrate based on a prompt gamma-neutron activation analysis system被引量：5: 《Nuclear Science and Techniques》2019年第4期44-52,共9页Long Zhao Xu Xu Jing-Bin Lu Ya-Lin Gong Xiang-Lin Li Wei Zhang Qing-Min Shang Qing-Feng Song Yan-Feng Li; supported by the National Key Scientific Instrument and Equipment Development Projects(No.2012YQ240121);Liaoning science and technology project(No.2017220010);Changchun Science and Technology Bureau Local Company and College(University,Institution)Cooperation Projects(No.17DY023); A prompt gamma-neutron activation analysis(PGNAA) system was developed to detect the iron content of iron ore concentrate. Because of the self-absorption effect of gamma-rays and neutrons, and the interference of chlo...; 关键词：PROMPT gamma-neutron activation analysis SELF-ABSORPTION Energy spectrum Compensation CORRECTION Iron ORE CONCENTRATE

Mechanisms and efficient elimination approaches of self-absorption in LIBS被引量：6: 《Plasma Science and Technology》2019年第3期125-139,共15页Jiajia HOU Lei ZHANG Yang ZHAO Zhe WANG Yong ZHANG Weiguang MA Lei DONG Wangbao YIN Liantuan XIAO Suotang JIA; supported by National Key R&D Program of China (2017YFA0304203);Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China (IRT13076);National Natural Science Foundation of China (NSFC) (Nos. 61475093, 61875108, 61775125);Major Special Science and Technology Projects in Shanxi Province (MD2016-01); Laser-induced breakdown spectroscopy(LIBS) is a promising analytical spectroscopy technology based on spectroscopic analysis of the radiation emitted by laser-produced plasma.However, for quantitative analysis by LIBS...; 关键词：LASER-INDUCED BREAKDOWN spectroscopy(LIBS) SELF-ABSORPTION effect optically thin ELEMENTAL analysis

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

SELF-ABSORPTION

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

SELF-ABSORPTION

检索结果分析

下载全文

用户登录

高级检索检索式检索