Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Zifeng He"'
Autor:
Ruifeng Zhao, Genshi Liu, Rongzhen Fu, Jichuan Zhang, Xiang Jie, Yiyang Dong, Zifeng He, Qiuhai Nie
Publikováno v:
Rubber Chemistry and Technology. 95:425-449
Taraxacum kok-saghyz (TKS), known as Russian dandelion, can produce high-quality natural rubber. The dry weight content of rubber in the TKS roots was found to be approximately 6–9%, of which 61% and 39% were stored in the root bark and root flesh,
Autor:
Jianqiao QIN1,2 asiaar@163.com, Zifeng HE1, Jianmei CHEN1, Xiaoping HUANG1, Dongni YU1, Shaoli WU1
Publikováno v:
Asian Agricultural Research. Feb2021, Vol. 13 Issue 2, p12-18. 7p.
Publikováno v:
2nd International Conference on Signal Image Processing and Communication (ICSIPC 2022).
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:752-763
Low sintering temperature and good temperature stability are the crucial parameters for the actual application of the dielectric capacitors. In this work, lead-free relaxor ferroelectric ceramics with chemical formula (1 − x)(Ba0.4Sr0.6)TiO3-xBi(Zn
Publikováno v:
Journal of the European Ceramic Society. 40:2907-2916
Ferroelectric (1-x)Sr0.875Pb0.125TiO3-xBi(Mg0.5Zr0.5)O3 ((1-x)SPT-xBMZ, x = 0-0.2) ceramics with high discharge efficiency and power density were synthesized via a conventional solid-state sintering method. The prepared (1-x)SPT-xBMZ ceramics were de
Effect of joint interfacial contact stiffness on structural dynamics of ultra-precision machine tool
Autor:
Yiheng Chen, Adeel Shehzad, Peng Chen, Yuanyuan Ding, Jianguo Ding, Zifeng He, Hanjing Lu, Hui Zhuang, Xiangxiang Zhang, Yin Zhang, Yu Chang
Publikováno v:
International Journal of Machine Tools and Manufacture. 158:103609
The contact stiffness of the joint interface significantly affects the dynamic characteristics of a machine tool structure. Herein, an improved theoretical model is proposed to calculate the joint interfacial contact stiffness. This model is establis