Zobrazeno 1 - 10
of 37
pro vyhledávání: '"De-Hong Chen"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2020 (2020)
In high-frequency (HF) hybrid sky-surface wave radar, the first-order sea clutter broadening is severe under the action of ionospheric phase disturbance and bistatic angles. In this paper, a cascaded method is described to suppress the spread sea clu
Externí odkaz:
https://doaj.org/article/c8d48ce268d54a568d87dd19a9706284
Autor:
Shuang Wang, Dao-gao Wu, Jia-min Zhong, De-hong Chen, Zong-an Li, Zhi-qiang Wang, Si-ming Pang
Publikováno v:
Materials Research Express, Vol 8, Iss 4, p 046510 (2021)
The high purity erbium (Er) with purity ≥ 99.9% was rolled with accumulated deformation of 80%, and the deformed high purity Er was annealed at different temperatures. The microstructure and properties of deformed high purity Er during annealing we
Externí odkaz:
https://doaj.org/article/5c9494791f7446f49cd45b40d94a158b
Autor:
Xiao Wei Zhang, Rui Ying Miao, Jia Min Zhong, Zong An Li, Dao Gao Wu, De Hong Chen, Zhi Qiang Wang
Publikováno v:
Key Engineering Materials. 921:119-128
Terbium metal rod with the dimension of 6.8mm in diameter and 150mm in length has been purified by solid state electrotransport (SSE) at 1050°C under a pressure of 10-5Pa for 50h, and the impurity distribution has been determined by laser ablation i
Autor:
Si-Ming Pang, De-Hong Chen, Lin Zhou, Zhen-Fei Yang, Miao Ruiying, Wenli Lu, Wu Daogao, Zhang Xiaowei
Publikováno v:
Journal of Rare Earths. 39:875-880
Removal feasibility of Fe impurity form La metal by electron beam melting (EBM) was analyzed, the removal mechanism was discussed, and the verification experiments were carried out in this study. The research results indicate that, the evaporation co
Publikováno v:
Rare Metals. 40:2985-2992
Migration regularities of impurities C, O, Fe, Co and Ni and the effect of crystal transition on C, O and Fe in purification of metal La by solid-state electrotransport (SSE) were studied. The impurity migration direction, removal extent and difficul
Autor:
Si-Ming Pang, Zhang Xiaowei, Zhu Qiong, De-Hong Chen, Yang Hongbo, Shihong Yan, Zhen-Fei Yang, Wu Daogao
Publikováno v:
Rare Metals. 40:2320-2326
The interaction mechanism of B and Ti in liquid Gd metal was theoretically analyzed, and the occurrence state transformation and removal of Ti impurity were experimentally analyzed in this study. The research results indicated that the B additive rea
Autor:
Han-Lin Ding, Changming Yang, Jessica Aijia Liu, Xi-He Zhang, Zhengyuan Xia, Shaoqing Lei, De-Hong Chen, Danyong Liu, Liu-Ming Yang, Zhongyuan Xia, Yao Chen, Liangqing Zhang
Publikováno v:
Aging (Albany NY)
The mortality rate of young female COVID-19 patients is reported to be lower than that of young males but no significant difference in mortality was found between female and male COVID-19 patients aged over 65 years, and the underlying mechanism is u
Publikováno v:
International Journal of Antennas and Propagation, Vol 2020 (2020)
In high-frequency (HF) hybrid sky-surface wave radar, the first-order sea clutter broadening is severe under the action of ionospheric phase disturbance and bistatic angles. In this paper, a cascaded method is described to suppress the spread sea clu
Autor:
Shi-ying Chen, Xi-ping Zhou, Zong-an Li, Lin Zheng, Ling-sheng Ke, Zhiqiang Wang, Zhang Xiaowei, Lei Zhang, De-Hong Chen, Zhou Lin
Publikováno v:
Separation and Purification Technology. 266:118566
Theoretical distributions of medium-volatile impurities in distillates of terbium(Tb) metal were discussed and analyzed, and theoretical distributions were verified by vacuum distillation purification experiments with the different distillation tempe
Publikováno v:
Rare Metals. 40:2307-2312
In view of the previous studies on the migrations of impurity aluminum (Al) and copper (Cu) in purification of rare earth metal by solid-state electrotransport (SSE), there are still some questions about that which direction they migrate to and wheth