Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Zheng Fa Li"'
Publikováno v:
Meccanica. 58:619-642
Publikováno v:
In Journal of Alloys and Compounds 5 September 2016 678:147-152
Publikováno v:
Nonlinear Dynamics. 109:1297-1324
Publikováno v:
Nonlinear Dynamics. 104:215-239
Drive-side teeth engaging, tooth disengagement and back-side teeth contacting are three meshing states of the spur gear pair. The influence of different meshing states on system safety is different. The safety performances of the system are classifie
Autor:
Qing-Bin Tang, Lu-Ke Shi, Ke Zhang, Shuai-Jie Kang, Zheng-Fa Li, Yin-Meng Wu, Ling-Ling Qin, Chun-Yang Zhai, Ai-Hua Liu, Ying-Bin Li, Ben-Hai Yu
Publikováno v:
Communications in Theoretical Physics. 75:035502
We theoretically investigate the frustrated double ionization (FDI) of molecules with different alignment-dependence using a three-dimensional classical ensemble method. The numerical results show that the FDI probability decreases with increasing wa
Publikováno v:
Mechanical Systems and Signal Processing. 178:109288
Publikováno v:
Mechanical Systems and Signal Processing. 158:107718
The safe operation of gear pairs is the basic safety guarantee of the machine. The safety of the gear pair may be destroyed due to transfinite of kinematic variables and system parameters. In order to reveal its evolutionary mechanism, the safety cha
Publikováno v:
Applied Mechanics and Materials. :84-87
Positive temperature coefficients of resistivity (PTCR) have been realized in lead free Na0.5Bi0.5TiO3 (NBT) based ceramics by (LiCe) addition. The modulations on their volumes have been obtained continuously in the wide temperature range of 50-479
Publikováno v:
Advanced Materials Research. :1020-1023
Ceramic powders with chemical formula Eu4Ti3O12 were fabricated by sol-gel method. A milk-white homogeneously mixed gel was prepared, and transferred into a porous resin intermediate through charring. Eu4Ti3O12 powders were prepared by calcination of
Autor:
Zheng Fa Li, Jung-Goo Lee, C.J. Choi, J.J. Liu, H.X. Wang, Ping-Zhan Si, W.D. Jiang, Min Zhong, Ge Hongliang
Publikováno v:
Advanced Materials Research. :1123-1127
Sm-Fe-N was prepared by melt-spun Sm-Fe with liquid-N2-cooled copper wheel and nitrogen absorption under N2 gas pressures up to 25 MPa. The structure and magnetic properties of the Sm-Fe-N prepared under varied temperatures, N2 pressures and nitrogen