共搜索到24641条信息，每页显示10条信息，共2465页。用时：0小时0分0秒458毫秒
J. Cent. South Univ. (2017) 24: 203-216 DOI: 10.1007/s11771-017-3421-0 Vertical-to-horizontal response spectral ratio for offshore ground motions: Analysis and simplified design equation CHEN Bao... response spectral ratio for offshore ground motions: Analysis and simplified design equation [J]. Journal of Central South University, 2017, 24(1): 203-216. DOI: 10.1007/s11771-017-3421-0. Foundation......
Spectral analysis in ultraweak emissions of chemi-and electrochemiluminescence systemsK.Staninski1,M.Kaczmarek1,S.Lis1,D.Komar2,A.Szyczewski21. Faculty of Chemistry, Adam Mickiewicz University2..., requires special techniques of their recording and spectral analysis. From among the hitherto proposed methods of detection of the emission spectra of these processes, that of the cut-off filter......
Spectral analysis in ultraweak emissions of chemi- and electrochemiluminescence systems K.Staninski1,M.Kaczmarek1,D.Komar2,S.Lis1,A.Szyczewski2 (1.Faculty of Chemistry,Adam Mickiewicz University... of chemiluminescence,CL,and electrochemiluminesce,ECL,requires special techniques of their recording and spectral analysis.From among the hitherto proposed methods of detection of the emission spectra of these processes......
spectral quasi-linearization method Mlamuli DHLAMINI1, Hiranmoy MONDAL2, Precious SIBANDA1, Sandile MOTSA1, 3 1. School of Mathematics, Statistics and Computer Science, University of Kwa Zulu-Natal, Private... is reversed and becomes positive. Key words: bioconvection; oxytactic microorganisms; velocity ratio; rotational nanofluid; bivariate spectral quasilinearization method (BSQLM) Cite this article......
of Ta2O5 films. Key words: electrochemical synthesis; tantalum alkoxides; spectral characterization; thermal analysis ... alcohol. The condensed products were isolated by reduced pressure distillation under 3-5 kPa. Samples were characterized by FT-IR, Raman spectra, nuclear magnetic resonance (NMR), thermal analysis......
Preparation and Spectral Analysis of Gold Nanoparticles Using Magnetron Sputtering and Thermal Annealing李保家1,2,HUANG Lijing1,2,周明1,2,FAN Xiaomeng1,2,MA Ming21. School of Materials Science... suitable for the formation of Au nanoparticles. On a silicon substrate, Au nanoparticles formed with good spherical shapes at temperature over 700 ℃. It was also found by spectral analysis that the fi......
Photoacoustic Spectral Analysis of f-f Transitions of Neodymium Compounds with TFA and HFA杨跃涛,苏庆德,赵贵文摘 要:Ｔｈｅｐｈｏｔｏａｃｏｕｓｔｉｃ(ＰＡ)ｍｅａｓｕｒｅｍｅｎｔｈａｓｂｅｎｗｉｄｅｌｙｕｓｅｄｔｏｉｎｖｅｓｔｉｇａｔｅｔｈｅｃｈｅｍｉｃａｌａｎｄｐｈｙｓｉｃａｌｐｒｏｐｅｒｔｉｅｓｏｆａｌｍｏｓｔａｌｋｉｎｄｓｏｆｓａｍｐｌｅｓｗｈｉｃｈｗｅｒｅ...关键词:......
......
Analysis and direct calculation of the energy migration interaction parameter in high concentration Nd3+ doped YAG laser crystal GUO Yanyan1,WANG Dianyuan2 (1.College of Mechanical Engineering... laser crystal was estimated using the Yokota-Tanimoto (Y-T) model and the spectral overlap model (SOM) of Kushida, respectively. Firstly, the experimental luminescence decay curves of 4F3/2 state......
高合金钢光谱分析用标准物质的研制刘菊英1,陈治良2,王强玲1,杨志2(1.重庆市国防科技工业5012二级计量站2.重庆长安工业(集团)有限责任公司技术二处,重庆 400023)摘 要:介绍了2Cr13Mn9Ni4高合金钢光谱分析用标准物质的研制过程,包括采用合理的冶炼锻轧工艺,不同部位样品的均匀性检验,C,Si,Mn,P,S,Cr,Ni,7个元素的认定值及扩展不确定度的确定,成线性,一致性考察以及与国内外同类标准物质的比对.结果表明,本套高合金钢光谱分析用标准物质的均匀性良好,定值准确且有良好的梯度分布,对定值......
