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浏览/检索结果: 共15条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Modeling Viscoelasticity and Dynamic Nematic Order of Exchangeable Liquid Crystal Elastomers 期刊论文  OAI收割 PHYSICAL REVIEW LETTERS, 2023, 卷号: 131, 期号: 6, 页码: 68101 作者:  Zhao, Jiameng;  Meng, Fanlong   |  收藏  |  浏览/下载：10/0  |  提交时间：2023/12/07 CROSS-LINKED NETWORKS  STRESS-RELAXATION  TRANSIENT NETWORK  ELASTICITY   Rheology of vitrimers 期刊论文  OAI收割 NATURE COMMUNICATIONS, 2022, 卷号: 13, 期号: 1, 页码: 5753 作者:  Meng, Fanlong;  Saed, Mohand O.;  Terentjev, Eugene M.   |  收藏  |  浏览/下载：12/0  |  提交时间：2023/01/16 CROSS-LINKED NETWORKS  VISCOELASTIC PROPERTIES  CORRESPONDING STATES  RELAXATION  ELASTICITY  HYDROGELS  CHEMISTRY   Latent tracks and novel infrared waveguide formation in lithium tantalate irradiated with swift heavy ions 期刊论文  OAI收割 JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2019, 卷号: 52, 期号: 17, 页码: — 作者:  Liu, Y;  Crespillo, ML;  Huang, Q;  Han, XQ;  Wang, XL   |  收藏  |  浏览/下载：55/0  |  提交时间：2019/12/30 ELECTRONIC-ENERGY LOSS  REFRACTIVE-INDEX  CROSS-SECTION  DAMAGE  AMORPHIZATION  IMPLANTATION  TEMPERATURE  RELAXATION  LITAO3   Band-selective heteronuclear dipolar recoupling with dual back-to-back pulses in rotating solids 期刊论文  OAI收割 JOURNAL OF MAGNETIC RESONANCE, 2016, 卷号: 272, 页码: 46-52 作者:  Zhang, Zhengfeng;  Chen, Yanke;  Yang, Jun 收藏  |  浏览/下载：26/0  |  提交时间：2017/03/16 Band-selective  Heteronuclear recoupling  Magic-angle spinning (MAS) solid-state  NMR  Dual back-to-back pulses (DBP)  Double cross polarization (DCP)  SPECIFIC CP  Membrane proteins  Relaxation time in rotating frame (T-1 rho)   Energy transfer mechanisms of quantum cutting near infrared luminescence in Ho3+/Yb3+ co-doped Y2O3 transparent ceramics 期刊论文  OAI收割 j. non-cryst. solids, 2014, 卷号: 403, 页码: 84 作者:  Xu, Qiang;  Lin, Hui;  Teng, Hao;  Chen, Chong;  Zhou, Shengming 收藏  |  浏览/下载：148/0  |  提交时间：2016/11/28 Rare earth doped Y2O3 transparent ceramics  Quantum cutting NIR luminescence  Cross relaxation  Energy transfer mechanisms   Energy transfer mechanisms of quantum cutting near infrared luminescence in Ho3+/Yb3+ co-doped Y2O3 transparent ceramics 期刊论文  OAI收割 j. non-cryst. solids, 2014, 卷号: 403, 页码: 84 作者:  Xu, Qiang;  Lin, Hui;  Teng, Hao;  Chen, Chong;  Zhou, Shengming 收藏  |  浏览/下载：27/0  |  提交时间：2016/11/28 Rare earth doped Y2O3 transparent ceramics  Quantum cutting NIR luminescence  Cross relaxation  Energy transfer mechanisms   Influence of sensitizer concentration on the upconversion luminescence of NaYF4: Yb3+, Er3+ nanoparticles (EI CONFERENCE) 会议论文  OAI收割 2012 2nd International Conference on Machinery, Materials Science and Engineering Applications, MMSE 2012, June 16, 2012 - June 17, 2012, Wuhan, China 作者:  Zhao J.;  Zhao Y.;  Zhao Y.;  Zhao Y. 收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25 A series of NaYF4: Yb3+  Er3+ nanoparticles with different doping concentration were successfully prepared by the combination of coprecipitation and hydrothermal methods using sodium citrate as chelator. Upconversion luminescence can be observed in all of the samples at room temperature. Fixed the Er3+ concentration with 1 mol% unchanged  the effect of the Yb3+ concentration on the upconversion luminescence of NaYF4: Yb3+  Er3+ samples were studied when the doped Yb3+ concentrations were 0 mol%  1 mol%  2 mol%  5 mol%  10 mol% and 20 mol%  respectively. As increasing the Yb 3+ concentration  the total intensity of the upconversion luminescence of the samples is increasing while the ratio of red to green emission increases firstly and then decreases. The maximum ratio value is 22.1 when the Yb3+ concentration is 10 mol%. It is found that the cross relaxation and cooperative sensitization effect are the reasons for the phenomenon above. (2012) Trans Tech Publications.   Luminescent CaWO4:Tb3+-Loaded Mesoporous Silica Composites for the Immobilization and Release of Lysozyme 期刊论文  OAI收割 european journal of inorganic chemistry, 2010, 期号: 18, 页码: 2655-2662 Huang SS; Li CX; Yang PP; Zhang CM; Cheng ZY; Fan Y; Lin J 收藏  |  浏览/下载：25/0  |  提交时间：2012/04/26 5D3-5D4 CROSS-RELAXATION  CARBON MOLECULAR-SIEVES  EGG WHITE LYSOZYME  SOL-GEL MATERIALS  ENZYME-IMMOBILIZATION  SPHERICAL-PARTICLES  CATALYTIC ACTIVITY  CO-CONDENSATION  ADSORPTION  SBA-15   Relaxation effect in photoionization processes of lithium 期刊论文  OAI收割 ACTA PHYSICA SINICA, 2008, 卷号: 57, 页码: 2152-2160 作者:  Sang Cui-Cui;  Wan Jian-Jie;  Dong Chen-Zhong;  Ding Xiao-Bin;  Jiang Jun   |  收藏  |  浏览/下载：21/0  |  提交时间：2018/05/31 multi-configuration Dirac-Fock method  photoionization cross section  relaxation effect   Mechanisms of energy transfer in Pr3+ and Cr3+ codoped SrAl12O19 phosphor (EI CONFERENCE) 会议论文  OAI收割 209th ECS Meeting, May 7, 2006 - May 12, 2006, Denver, CO, United states 作者:  Zhang J.;  Wang X.-J.;  Zhang G.;  Zhang G.;  Zhang G. 收藏  |  浏览/下载：20/0  |  提交时间：2013/03/25 A two-step energy transfer was observed in Pr3+ and Cr 3+ codoped SrAl12O19 phosphor  which results in a two-photon luminescence for one UV/vacuum-UV photon absorbed. For one Pr 3+ ion excited to the lowest 4f5d states  two Cr3+ ions may be excited and emit two red photons due to 2E- 4A2 transitions of the Cr3+ ions  Cr 3+ ions can be excited into the 4T1(F) levels by cross relaxation of Pr3+ 1S0- 1I6 or by direct energy transfer from Pr3+ 3P0  1 states. The mechanisms of the two-step energy transfer process were studied based on spectra and lifetime measurements. copyright The Electrochemical Society.