SPECTRA

作品数：1142被引量：1445H指数：13
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In-situ analysis of laser-induced breakdown spectra for online monitoring of femtosecond laser machining of sapphire
《Science China(Technological Sciences)》2024年第1期73-82,共10页SHANGGUAN ShiYong ZHANG JianGuo LI ZhanZhu SHI Wei WANG WenKe QI DongFeng ZHENG HongYu 
This work was supported by the National Key R&D Program of China(Grant Nos.2022YFB4600402 and 2022YFE0199100);the Natural Science Foundation of Shandong(Grant Nos.ZR2022MF030 and ZR2020ME164);the Natural Science Foundation of Zhejiang(Grant No.LY21F050002).
Laser-induced breakdown spectroscopy(LIBS)is widely used for elemental analysis.However,its application for monitoring and analyzing a laser machining process by examining the changes in spectral information warrants ...
关键词：laser-induced breakdown spectroscopy plasma plume online monitoring SAPPHIRE 
Analysis of the X-ray emission of OB stars II: B stars
《Research in Astronomy and Astrophysics》2019年第8期143-150,共8页Elizaveta Ryspaeva Alexander Kholtygin 
support from the Russian Science Foundation project (No. 18-12-00423)
This paper is the second part of an investigation into the mechanism for the origin of X-rays in early-type stars. Archival X-ray observations of 25 B stars, obtained by the XMM-Newton satellite, are analysed. We chec...
关键词：stars:early-type stars:spectra:X-ray 
Analysis of the X-ray emission of OB stars:O stars
《Research in Astronomy and Astrophysics》2018年第8期121-134,共14页Elizaveta Ryspaeva Alexander Kholtygin 
support from the Russian Science Foundation project No.18-12-00423;RFBR grant 18-02-00554
We investigate the global properties of X-ray emission from O stars, analyzing the X-ray spec- tra of 32 O stars from archival data of the XMM-Newton space observatory. We examine two hypotheses about of the origin of...
关键词：STARS early-type - stars SPECTRA X-RAY 
Analysis of the Zeeman effect on Dαspectra on the EAST tokamak
《Chinese Physics B》2017年第4期276-282,共7页高伟 黄娟 吴承瑞 许棕 侯玉梅 金钊 陈颖杰 张鹏飞 张凌 吴振伟 EAST Team 
Project supported by the National Natural Science Foundation of China(Grant Nos.11275231 and 11575249);the National Magnetic Confinement Fusion Energy Research Program of China(Grant No.2015GB110005)
Based on the passive spectroscopy,the D_α atomic emission spectra in the boundary region of the plasma have been measured by a high resolution optical spectroscopic multichannel analysis（OSMA） system in EAST tokama...
关键词：Zeeman effect PLASMA SPECTRUM DEUTERIUM 
A novel acquisition method for nuclear spectra based on pulse area analysis
《Chinese Physics C》2015年第4期63-66,共4页李东仓 任忠国 杨磊 祁中 孟祥厅 胡碧涛 
Supported by National Natural Science Foundation of China(11375077,11027508)
A novel simple method based on pulse area analysis （PAA） is presented for acquisition of nuclear spectra by a digitizer. The PAA method can be used as a substitute for the traditional method of pulse height analysis...
关键词：pulse height analysis pulse area analysis DIGITIZER nuclear spectrum 
Digital Spectra and Analysis of Altitudinal Belts in Tianshan Mountains, China被引量：4
《Journal of Mountain Science》2004年第1期18-28,共11页ZHANGBaiping MOShenguo WUHongzhi XIAOFei 
Based on the framework of the geo-info spectra of montane altitudinal belts, this paper firstly reviews six classification systems for the spectra of mountain altitudinal belts in China and considers that detailed reg...
关键词：Tianshan Mountains altitudinal belt digital spectrum 
ANALYSIS OF ^(13)C-NMR SPECTRA IN PREDOMINANTLY ISOTACTIC POLYPROPYLENE
《Chinese Science Bulletin》1980年第12期1062-,共1页朱善农 杨小震 
One may imagine two ways in which a small amount of raee,mie configuration r may be introduced into an isotactic chain: (ⅰ) a template propagation error, in which rr resonance may
关键词：TEMPLATE POLYPROPYLENE intro 
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