|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Bimetallic Pd-Ni core-shell nanoparticles catalysts for the Suzuki reaction显示文摘 | Ji Xiang Peng Li Hanbao Chong Li Feng Fangyu Fu Zhuang Wang Shilin Zhang Manzhou Zhu | 2014 | Nano Research2014，7，9： | 11 |
| 2 | Exposing Cu-rich {110} active facets in PtCu nanostars for boosting electrochemical performance toward multiple liquid fuels electrooxidation显示文摘In catalysis,tuning the structural composition of the metal alloy is known as an efficient way to optimize the catalytic activity.This work presents the synthesis of compositional segregated six-armed PtCu nanostars via a facile solvothermal method and their distinct composition-structure-dependent performances in electrooxidation processes.The alloy is shown to have a unique six arms with a Cu-rich dodecahedral core,mainly composed of {110} facets and exhibit superior catalytic activity toward alcohols electrooxidation compared to the hollow counterpart where Cu was selectively etched.Density functional theory (DFT) calculations suggest that the formation of hydroxyl intermediate (OH^*) is crucial to detoxify CO poisoning during the electrooxidation processes.The addition of Cu is found to effectively adjust the d band location of the alloy catalyst and thus enhance the formation of ^*OH intermediate from water splitting,which decreases the coverage of ^*CO intermediate.Our work demonstrates that the unique compositional anisotropy in alloy catalyst may boost their applications in electrocatalysis and provides a methodology for the design of this type catalyst. | Liping Huang Wei Zhang Peng Li Yongbo Song Hongting Sheng Yuanxin Du Yang-Gang Wang Yuen Wu Xun Hong Yanhuai Ding Xiaoyou Yuan Manzhou Zhu | 2019 | Nano Research2019，12，5： | 4 |
| 3 | Calibration of the linear optics in the SSRF storage ring显示文摘PhaseⅠcommissioning of the SSRF storage ring at 3.0 GeV was ended with encouraging results. Distortions and calibrations of the linear optics during the storage ring commissioning are discussed in this paper.The calibration procedure has reduced sextupole-additional focusing effects by minimizing closed orbit deviation and corrected quadrupole magnetic coefficients with the linear optics from closed orbit (LOCO) technique.After fitting the closed orbit response matrix,linear optics of the storage ring is substantially corrected,and the measured parameters agree well with the design.Four optics modes were commissioned,and relevant machine physics studies were carried out.Their results are summarized. | TIAN Shunqiang LIU Guimin ZHANG Wenzhi LI Haohu ZHANG Manzhou HOU Jie CHEN Guangling | 2008 | Nuclear Science and Techniques2008，19，5： | 2 |
| 4 | Optimization of ripple filter for pencil beam scanning显示文摘This paper presents a novel approach to seek the bar width for ripple filter used in pencil beam scanning proton therapy.A weight decay quadratic programming method is employed for the new optimization strategy.Compared to the commonly used iterative-least-square technique,the ripple filter derived by the proposed method not only has better depth dose uniformity,i.e.,the dose uniformity is within 0.5%,but also has triangle-like vertical cross-sectional shape which is suitable for manufacture.Moreover,the new method has such good robust characteristics that it is also applicable to the real application with unavoidable measurement errors and noises.The simulation results of this study may be helpful in improving the design of the ripple filter. | YANG Zhaoxia ZHANG Manzhou LI Deming | 2013 | Nuclear Science and Techniques2013，24，6： | 1 |
| 5 | Coupling measurement and correction at the SSRF storage ring显示文摘Brightness is an important parameter for 3rd generation light source. Correcting the emittance coupling is a realistic way to increase brightness without any additional equipment in a machine under operation. The main sources of emittance coupling are betatron coupling and vertical dispersion. At the SSRF storage ring, tune split and LOCO are used to measure the respective betatron and emittance coupling. Both of these sources can be corrected by skew quadrupoles. By measuring the skew quadrupole-coupling response matrix, betatron coupling can be changed from 0.014% to 2%. But the vertical dispersion changes at the same time. LOCO can find the suitable setting to correct simultaneously the betatron coupling and vertical dispersion. The emittance coupling can be reduced to 0.17% by this method. More simulations show the potential for smaller emittance coupling if more skew quadrupoles are employed. | ManZhou Zhang (1) Jie Hou (1) HaoHu Li (1) | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，S2： | 1 |
| 6 | Monodispersed Au Pd nanoalloy: composition control synthesis and catalytic properties in the oxidative dehydrogenative coupling of aniline显示文摘A series of Au Pd@C nanoalloy catalysts with tunable compositions were successfully prepared by a co-reduction method. The use of borane-tert-butylamine complex as reductant and oleylamine as both solvent and reductant was very effective for the preparation of the monodispersed nanoalloy. We evaluated the catalytic activity of these Au Pd@C nanoalloys for oxidative dehydrogenative coupling of aniline, which showed better catalytic activity than equal amounts of sole Au@C or Pd@C catalyst. The Au1Pd3@C catalyst exhibited the best performance, indicating that the conversion and selectivity were improved along with the increase of Pd composition. However, if the Pd composition was too high in the Au Pd alloy, Au1Pd7@C achieved only 81% conversion in this reaction. | Fangyu Fu Sen He Sha Yang Chen Wang Xun Zhang Peng Li Hongting Sheng Manzhou Zhu | 2015 | Science China Chemistry2015，58，10： | 0 |
| 7 | Tracking code simulation for passive harmonic cavity in the SSRF storage ring显示文摘Background A passive third harmonic cavity is planned to install in the Shanghai Synchrotron Radiation Facility(SSRF)storage ring to increase the beam lifetime.Transient beam loading effect generated by the gap between the bunch trains can suppress the bunch lengthening effect of the third harmonic cavity.Besides,the field excited in the passive operation of the harmonic cavity depends on the bunch distribution.Purpose To estimate the effect of transient beam loading,the tracking codes have been developed.Methods The tracking simulation has been performed for three uniform filling cases and a nonuniform filling case.The lengthened bunch distribution has also been included into tracking code simulation.The effect of the lengthened bunch has also been investigated.Results The uniform filling pattern with shorter bunch trains shows lower transient beam loading effect and can give much higher bunch lengthening factors compared to those of non-uniform filling case.The effect caused by the reduction of the harmonic voltage generated by lengthened bunch distribution causes a great reduction on bunch lengthening effect in uniform filling case,while the lengthening factor of non-uniform filling case does not affect much in this issue.Conclusion The tracking codes have been developed to estimate the effect of transient beam loading for three uniform filling cases and a non-uniform filling case.The larger gap in the filling pattern can cause the higher transient beam loading effect and lower bunch lengthening effect.The lengthened bunch distribution has also been included into tracking code simulation.The effect of the lengthened bunch has also been investigated.The more the bunch is lengthened,the greater reduction on bunch lengthening effect. | Thanapong Phimsen Bocheng Jiang Hongtao Hou Shunqiang Tian Manzhou Zhang Qinglei Zhang Kun Wang Zhentang Zhao | 2018 | Radiation Detection Technology and Methods2018，2，1： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员