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| 1 | Effect of surface modification on microwave absorbing properties of magnetic metal fibers显示文摘 | Wei Xie Ph D Candidate Haifeng Cheng Zengyong Chu Yongjiang Zhou Gengping Tang Yongping Xu | 2007 | Journal of Wuhan University of Technology - Mater Sci Ed2007,,2: | 1 |
| 2 | JOURNEY TO RECOVERY显示文摘The lines of masked passengers boarding trains in Wuhan on April 8 had a special significance.They marked the lifting of outbound travel restrictions after Wuhan turned the tide in its battle against the novel coronavirus epidemic following almost 11 weeks of lockdown.The sprawling city of 11 million people witnessed over 50,000 people contract the disease and more than 2,500 deaths,accounting for the lion's share of the toll in China.On January 23,to cope with the public health emergency,public transport was suspended and all outbound flights and trains were stopped to contain the epidemic. | Duan Wei(图) Ma Gengping(图) | 2020 | Beijing Review2020,63,16: | 0 |
| 3 | Controllable coating NiAl-layered double hydroxides on carbon nanofibers as anticorrosive microwave absorbers显示文摘For harsh real-world service settings,it is essential to build corrosion-resistant,diverse,and effective microwave absorbers.Herein,we successfully prepared a 3D NiAl-layered double hydroxide/carbon nanofibers(NiAl-LDH/CNFs)composite material as an anticorrosive microwave absorber assisted by an atomic layer deposition(ALD)method.The size,coating thickness,and content of NiAl-LDH can be readily adjusted by changing the ALD cycling numbers.The optimized NiAl-LDH/CNFs demonstrates prominent microwave absorbing properties including the strongest reflection loss of–55.65 dB and the widest effective absorption bandwidth of 4.80 GHz with only 15 wt%loading.The reasons for performance improvement are the cooperative effect of interfacial polarization loss,conduction loss,and three-dimensional porous structure.Moreover,due to the synergistic effects between the excellent impermeability of CNFs and the trapping ability of NiAl-LDH for chloride ions,NiAl-LDH/CNFs exhibits strong corrosion resistances under acidic,neutral,and alkaline conditions.NiAl-LDH/CNFs should be a potential candidate to simultaneously use for microwave absorption and corrosion resistance,and this work provides a certain guiding significance for designing microwave absorbers that satisfy the corrosion resistance. | Ying Zhang Liang Li Changlong Du Gengping Wan Qiyi Wei Xueqing Zhou Yanran Su Yang Xu Guizhen Wang | 2023 | Journal of Materials Science & Technology2023,,20: | 0 |
| 4 | EXISTENCE OF PERIODIC SOLUTIONS OF SYSTEM OF DIFFERENCE EQUATIONS显示文摘这篇论文学习差别方程 Δx (n)=的非自治的非线性的系统(n) x (n)+ f ( n , x (n)), n ∈ Z ,(*)在哪儿 x (n)∈ R^N ,(n)=(a_( ij )(n))_( N x N )是一个 N xN 矩阵,与a_( ij )∈ C ( R , R )为 i , j = 1,2,3 ,..., N ,和 f =( f_1 , f_2 ,..., f_N )~ T ∈ C ( R x R^N , R^N ),令人满意的 A ( t +ω)= A (t), f ( t +ω, z )= f ( t , z )为任何 t ∈ R ,( t , z )∈ R x R^N 和 ωi s 一个积极整数。为ω - 的存在的足够的条件方程(*) 的周期的答案被获得。 | Wei Gengping Shen Jianhua | 2006 | Applied Mathematics(A Journal of Chinese Universities)2006,21,3: | 0 |