共搜索到228012条信息,每页显示10条信息,共22802页。用时:0小时0分0秒643毫秒
J. Cent. South Univ. (2016) 23: 1729-1739 DOI: 10.1007/s11771-016-3227-5 A practical nonlinear controller for levitation system with magnetic flux feedback LI Jin-hui(李金辉)1, 2, LI Jie(李杰)1 1... experimental validations are carried out. Finally, results illustrating closed-loop performance are provided. Key words: maglev; levitation system; backstepping; magnetic flux 1 Introduction Compared......
Magnetic Flux Controllers for Induction Heating Applications Valentin Nemkov1,Robert Goldstein1,Robert Ruffini1 (1.Fluxtrol/Centre for Induction Technology, USA) 摘要:Application of magnetic flux controllers/concentrators to induction heating coils can drastically improve the process efficiency and heat pattern control. Presentation includes: benefits provided by flux controllers, materials......
Characterization of Y2O2S:Eu3+, Mg2+, Ti4+ Long-Lasting Phosphor Synthesized by Flux Method Wang Zhilong1,Wang Yuhua1 (1.Department of Materials Science, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China) Abstract:Long-lasting phosphor Y2O2S∶Eu3+, Mg2+, Ti4+ was synthesized by a flux method and their luminescence properties were investigated. The result......
Superconducting Magnetic Flux Transformer at 77KRen Hongtao Xiao Ling He Qing and Li Jiazhang General Research Institute for Nonferrous Metals,Beijing 100088,P.R.China摘 要:<正> Superconducting Quantum InterferenceDevice(SQUID)magnetometer is a kind ofmagnetic flux sensor with high sensitivity,andtherefore can be used in geological prospectand......
......
Influence of Flux on Structure and Luminescence of LaMgB5O10:Ce3+,Mn2+ 常树岚1 (1.Department of Chemistry,Science and Engineering College,Yanbian University,Yanji 133002,China) Abstract:The influences of the flux KCl or KF on the XRD patterns,cell parameters,crystal morphology,and spectral properties of the phosphor 12.8% KCl and 5.3%,10.5% KF are added individually into the phosphor......
Investigation of flux containing GdCl3 on recycling Mg-Gd-Y-Zr scraps WANG Wei(王 玮)1, 2, WU Guo-hua(吴国华)1, 2, WANG Qu-dong(王渠东)1, 2, HUANG Yu-guang(黄玉光)1, 2, SUN Ming(孙 明)1, 2... of SF6 (1%, volume fraction), CO2 (bal.). 2.5% (ratio to the whole scraps) new flux was added to refine the melt at 760 ℃. The ingredients of the fluxes are listed in Table 1. After refining......
-fine grain; surface effects; thermal shock; transient high heat flux 1 Introduction Tungsten (W) is one of the most promising plasma facing materials (PFMs) which are exposed to a strong irradiation... Commercial W Figure 1 shows the surface morphologies of the commercial W after irradiation by HIPIB. Obvious long cracks with a width of ~0.15 μm occur after single shot at the heat flux of 160 MW/(m2·s-1/2......
......
STUDY OF SYNTHETIC TREATMENT FLUX WITH MODIFICATION AND REFINEMENT 0F ALUMINUM-SILICON ALLOY薛亦渝,张幼陵,罗顶新,杜新军,辜志强摘 要:<正>WZC-1,the synthetic treatment flux of alu-minum alloy,has double functions:refinement and long effec-tive modification.The term of validity of modification is aslong as six hours,and the pinhole density of castings reachesgrade......