作者机构：
[Pang, Min; Chen, Xue-Kun; Liu, Jun; Tan, Jia-Ling] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.;[Xie, Zhong-Xiang] Hunan Inst Technol, Dept Math & Phys, Hengyang 421002, Peoples R China.;[Zhou, Wu-Xing] Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China.;[Zhou, Wu-Xing] Hunan Univ Sci & Technol, Hunan Prov Key Lab Adv Mat New Energy Storage & Co, Xiangtan 411201, Peoples R China.
通讯机构：
[Zhong-Xiang Xie] D;[Wu-Xing Zhou; Jun Liu] S;School of Materials Science and Engineering & Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology , Xiangtan 411201, China<&wdkj&>School of Mathematics and Physics, University of South China , Hengyang 421001, China<&wdkj&>Department of Mathematics and Physics, Hunan Institute of Technology , Hengyang 421002, China
期刊：
EUROPEAN PHYSICAL JOURNAL A,2022年58(9):1-19 ISSN：1434-6001
通讯作者：
Xiao-Hua Li
作者机构：
[Zhu, De-Xing; Li, Xiao-Hua; Xu, Yang-Yang; Chen, Xun] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.;[Wu, Xi-Jun] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.;[He, Biao] Cent South Univ, Coll Phys & Elect, Changsha 410083, Peoples R China.;[Li, Xiao-Hua] Univ South China, Natl Exemplary Base Int Sci & Tech Collaborat Nuc, Hengyang 421001, Peoples R China.;[Li, Xiao-Hua] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Eq, Hengyang 421001, Peoples R China.
通讯机构：
[Xiao-Hua Li] S;School of Nuclear Science and Technology, University of South China, Hengyang, People’s Republic of China<&wdkj&>National Exemplary Base for International Sci and Tech. Collaboration of Nuclear Energy and Nuclear Safety, University of South China, Hengyang, People’s Republic of China<&wdkj&>Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment, University of South China, Hengyang, People’s Republic of China<&wdkj&>Key Laboratory of Low Dimensional Quantum Structures and Quantum Control, Hunan Normal University, Changsha, People’s Republic of China
摘要：
Based on the Hatsukawa formula (Hatsukawa et al. in Phys Rev C 42:674, 1990), modifying the coefficient F(Z) and considering the blocking effect of unpaired nucleons, in our previous work (Xu and Liu in Eur Phys J A 58:16, 2022) we proposed an improved semi-empirical formula for evaluating the favored
$$\alpha $$
decay half-lives. In this work, considering the contribution of centrifugal potential, we generalize this formula to unfavored
$$\alpha $$
decay and propose a unified formula for
$$\alpha $$
decay half-lives. Using this formula, we systematically calculate the unfavored
$$\alpha $$
decay half-lives of 130 odd-A and 78 odd–odd nuclei with the corresponding root-mean-square (rms) deviations being 0.503 and 0.603, respectively. Meanwhile the rms deviation of
$$\alpha $$
decay half-lives for all the 700 nuclei taken from NUBASE2020 is only 0.380. Moreover, we extend this formula to predict the
$$\alpha $$
decay half-lives of 144 even–even, odd-A and odd–odd nuclei with Z = 117, 118, 119 and 120. For comparison, the unitary Royer formula (DZR) (Deng et al. in Phys Rev C 101:034307, 2020) proposed by Deng et al. and the modified universal decay law (MUDL) (Soylu and Qi in Nucl Phys A 1013:122221, 2021) proposed by Soylu et al. are also used. The predictions of these formulas are basically consistent with each other.
摘要：
Abstract: This paper focuses on the non-zero asymptotic value of the smooth solitary wave of the mCH equation and directly gives the explicit expression of the solitary wave solution through the analysis of the planar dynamical system.#@#@#摘要: 本文关注mCH方程的非零渐近值的光滑孤立波，并通过平面动力系统的分析方法，直接给出了孤立波解的显示表达式。
期刊：
Journal of Alloys and Compounds,2022年918:165408 ISSN：0925-8388
通讯作者：
Xueping Gan<&wdkj&>Xijun Wu
作者机构：
[Wu, Xijun; Cheng, Jinjuan] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.;[Gan, Xueping; Zhang, Ziyan; Gao, Yi; Lei, Qian] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China.
通讯机构：
[Xueping Gan; Xijun Wu] S;State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China<&wdkj&>School of Mathematics and Physics, University of South China, Hengyang 421001, China
摘要：
The effects of yttrium on the cellular precipitation kinetics, grain growth behavior and mechanical properties of Cu-15Ni-8Sn alloy are investigated. Results show that the added yttrium leads to the formation of NiSnY and Ni2Y compounds, which increases the strength, refines the grains and slows the grain growth rate of the Cu-15Ni-8Sn alloy. Also, the addition of yttrium changes the nucleation rate and crystal growth type of the gamma phase, postponing cellular precipitation in the early stages of aging treatment. Compared with the peak-aged Cu-15Ni-8Sn alloy, the peak-aged Cu-15Ni-8Sn-0.2Y alloy possesses higher hardness and strength. The hardness increases from 348 HV to 372.2 HV, the yield strength increases from 960 MPa to 1098 MPa, and the ultimate tensile strength increases from 1044 MPa to 1166 MPa. (C) 2022 Published by Elsevier B.V.
摘要：
We consider a one-dimensional classical Poisson-Nernst-Planck model with two ion species, one positively charged and one negatively charged, and a simple profile of nonzero permanent charges. Of particular interest is to examine the effect from boundary layers on zero-current ionic flows in terms of reversal potentials and reversal permanent charges through membrane channels. This is important because boundary layers of charge are particularly likely to create artifacts over long distances, and this could dramatically affect the behavior of ionic flows. With boundary layers, the existence of reversal potentials and reversal permanent charges is established. Particularly, the reversal potentials are further compared with those identified under electroneutrality boundary conditions, and their orders are provided, which sensitively depends on the complicated nonlinear interaction among system parameters, particularly, boundary layers, boundary concentrations and channel geometry.
期刊：
Applied Mathematics and Nonlinear Sciences,2022年 ISSN：2444-8656
作者机构：
[Xiao Q.] School of Math and Physics, University of South China, Hengyang, China;School of Mathematics, Physics and Energy Engineering, Hengyang, China;[Lu X.] Department of Mathematics and Statistics, University of Calgar, Calgary, AB T2N 1N4, Canada;[Hoffman E.] Canadian University Dubai, Dubai, United Arab Emirates;[Kharabsheh R.] Business Administration Economics and Administrative Science, Applied Science University Bahrain, Al Hidd, Bahrain
作者机构：
[Lin, Wenbin; Jiang, Chunhua; Yang, Bo; Lin, WB] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.;[Lin, Wenbin] Southwest Jiaotong Univ, Sch Phys Sci & Technol, Chengdu 610031, Peoples R China.
通讯机构：
[Lin, WB ] U;Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.
摘要：
We derive the second post-Newtonian solution for the quasi-Keplerian motion of a charged test particle in the Reissner-Nordström spacetime under harmonic coordinates. We formulate the solution in terms of the test particle’s orbital energy and angular momentum, both of which are constants at the second post-Newtonian order. The charge effects on the test particle’s motion including the orbital period and perihelion precession are displayed explicitly. Our results can be applied to the cases in which the test particle has small charge-to-mass ratio, or the test particle has arbitrary charge-to-mass ratio but the multiplication of the test particle and the gravitational source’s charge-to-mass ratios is much smaller than 1.
作者机构：
[Chen, Xue-Kun; Hu, Xiao-Yan] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.;[Jia, Pin-Zhen] Hunan Inst Technol, Dept Math & Phys, Hengyang 421002, Peoples R China.;[Xie, Guo-Feng] Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China.;[Xie, Guo-Feng] Hunan Univ Sci & Technol, Hunan Prov Key Lab Adv Mat New Energy Storage & C, Xiangtan 411201, Peoples R China.
通讯机构：
[Pin-Zhen Jia] D;[Guo-Feng Xie] S;School of Materials Science and Engineering & Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology , Xiangtan 411201, China<&wdkj&>Department of Mathematics and Physics, Hunan Institute of Technology , Hengyang 421002, China
期刊：
STUDIES IN APPLIED MATHEMATICS,2022年148(1):186-218 ISSN：0022-2526
通讯作者：
Chunhua Ou
作者机构：
[Pan, Chaohong; Wang, Hongyong] Univ South China, Sch Math & Phys, Hengyang, Peoples R China.;[Ou, Chunhua] Mem Univ Newfoundland, Dept Math & Stat, St John, NF A1C 5S7, Canada.
通讯机构：
[Chunhua Ou] D;Department of Mathematics and Statistics, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
