Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Li-fang Feng"'
Autor:
Huan Wang, Tian-Xia Zheng, Nuo-Ya Yang, Ying Li, Hong Sun, Wei Dong, Li-Fang Feng, Jiu-Peng Deng, Meng-Chun Qi
Publikováno v:
Journal of Materials Chemistry B; 4/7/2023, Vol. 11 Issue 13, p2972-2988, 17p
Publikováno v:
Optoelectronics Letters. 16:211-215
With the development of visible light communication (VLC) and widespread applications of smart terminals with complementary- metal-oxide-semiconductor (CMOS) image sensor, researchers pay more and more attention in VLC systems with CMOS-based receive
Publikováno v:
Applied Mechanics and Materials. 327:147-150
In this paper a novel quaternary alloy is formed by adding a small amount of rare earth Er (RE) into Bi5Sb8Sn solder alloy to improve its technological properties. The influences of Er on the resistivity and spreading properties of the novel solder a
Publikováno v:
Journal of Electronics & Information Technology. 30:439-442
Publikováno v:
Applied Mechanics and Materials. :774-779
By alloying principle, a novel quaternary high-temperature lead-free solder was formed by adding trace Sn into Bi5Sb2Cu. The influences of trace Sn on the microstructure and mechanical properties of the novel solder alloy were systematically investig
Publikováno v:
Materials Science Forum. :537-541
It is a difficult subject to develop the high temperature solder with thewhose melting point is within 250~450°C in solder field. Bi5Sb solder alloy whosewith the melting point of about is about 280°C is limited for itshas bad solderability and m
Autor:
Li-fang Feng, Ping-zhi Fan
Publikováno v:
Journal of Zhejiang University SCIENCE A. 9:207-210
Publikováno v:
Tsinghua Science and Technology. 12:296-301
The creep properties of solder alloys are an important factor affecting the reliability of soldered joints in surface mount technologies. Particle-enhancement is one way to improve the properties of solder alloys. The temperature of the solder joint
Publikováno v:
Dong wu xue yan jiu = Zoological research. 32(3)
Thirteen hsp70 genes with complete conserved domains were identified in Tetrahymena thermophila, and expression of five similar and non-intron hsp70 genes were analyzed. Under heat shock conditions of 37, 39 and 41oC, hsp70-2 mRNA had the highest rel