理学—物理

作品数:342540被引量:319289H指数:79
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相关机构:中国科学院中国科学技术大学中国科学院大学北京大学更多>>
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Netrin-1 marshals mitochondrial movement,morphology,and metabolism in myelin
《中国神经再生研究:英文版》2021年第12期2399-2400,共2页Diane SNakamura Timothy E.Kennedy 
This work was supported by grants from the Multiple Sclerosis Society of Canada(No.3009 to TEK and No.2407 to DSN).
Oligodendrocytes are the myelinating cells of the central nervous system(CNS)that ensheath nearby axons to support action potential propagation and axon metabolism.Myelination involves the rapid production of lipid-ri...
关键词:FIGURE RESULTANT system 
Synaptic mechanisms of cadmium neurotoxicity
《中国神经再生研究:英文版》2021年第9期1762-1763,共2页Andrei N.Tsentsevitsky Alexey M.Petrov 
supported in part by the Russian Foundation for Basic Research grant#20-04-00077(to AMP);partially the government assignment for FRC Kazan Scientific Center of RAS。
Cadmium(Cd) is a toxic heavy metal ubiquitously distributed in the environment(water, air, food, smoke) with extreme ability to accumulate in the human body due to its delayed clearance(half-life time 15–30 years).
关键词:CADMIUM EXTREME accumulate 
Analysis of the polarization characteristics of scattered light of underwater suspended particles based on Mie theory
《光电子快报:英文版》2021年第4期252-256,共5页程谦 王英民 张莹珞 
supported by the National Natural Science Foundation of China(No.61404362)。
Aiming at the problem of underwater polarized laser scattering caused by underwater suspended particles, the equivalent spherical particle Mie scattering theory simulation method is used to study the polarization char...
关键词:UNDERWATER SCATTERED POLARIZED 
Recent research advances of self-discharge in supercapacitors:Mechanisms and suppressing strategies被引量:1
《能源化学:英文版》2021年第7期94-109,共16页Kunlun Liu Chang Yu Wei Guo Lin Ni Jinhe Yu Yuanyang Xie Zhao Wang Yongwen Ren Jieshan Qiu 
partly supported by the National Natural Science Foundation of China(NSFC,No.51872035);the Talent Program of Rejuvenation of the Liaoning(No.XLYC1807002);the Fundamental Research Funds for the Central Universities(DUT19LAB20);the National Key Research Development Program of China(2016YFB0101201)。
Supercapacitors are one of the most promising energy storage devices in the fields of vehicle transportation,flexible electronic devices,aerospace,etc.However,the existed self-discharge that is the spontaneous voltage...
关键词:SUPERCAPACITORS SELF-DISCHARGE MECHANISM Suppressing strategy 
Nitroxide radical cathode material with multiple electron reactions
《能源化学:英文版》2021年第7期110-114,共5页Huanhuan Dong Shuo Zhao Xuesen Hou Liubin Wang Haixia Li Fujun Li 
financially supported by the National Key R&D Program of China(2017YFA0206700);the National Natural Science Foundation of China(grant No.21822506&51671107);the 111 project of B12015;the Natural Science Foundation of Tianjin(grant No.19JCJQJC62400)。
Organic materials with redox-active centers are regarded as promising candidates for rechargeable batteries in recent years for their light weight, low cost, environmental friendliness and structural diversity [1–4]....
关键词:Nitroxide radical Multiple electron reaction Cathode material Capacity Lithium-ion battery 
CoFeCrGa_(1-x)Al_(x)合金的电子结构、磁性和自旋零带隙半导体特性研究
《武汉科技大学学报》2021年第3期161-167,共7页方旭 卢志红 李斯阳 
国家自然科学基金面上资助项目(51871170).
采用基于密度泛函理论(DFT)的第一性原理,研究了Al掺杂对CoFeCrGa_(1-x)Al_(x)(x=0、0.25、0.5、0.75)合金电子结构、磁性、自旋零带隙半导体特性的影响。结果表明,随着Al掺杂浓度的增加,合金晶格常数减小,总磁矩符合Slater-Pauling规...
关键词:HEUSLER合金 自旋零带隙半导体 AL掺杂 电子结构 磁性 四方形变 
基于UV-LIGA的太赫兹波导微矩形腔体加工技术研究
《电加工与模具》2021年第S01期60-65,共6页程浩 曾永彬 
国家自然科学基金资助项目(51775276);江苏省自然科学基金资助项目(BK20192007)
提出了一种制作太赫兹矩形波导的方法,即先利用UV-LIGA技术制作出锌牺牲芯模,然后在锌芯模表面镀金、铸铜,最后将锌芯模溶解,成功制作出端面形貌良好的长度17 mm、工作频率1 THz的矩形波导。研究发现,在电镀液pH 6.2、温度40℃、电流密...
关键词:太赫兹矩形波导 UV-LIGA技术 锌表面镀金 
Quasi-Grotthuss mechanism in a nonporous sulphate
《能源化学:英文版》2021年第6期233-237,I0007,共6页Bo Li Yinuo Wang Jiasheng Wang Xue Yong Jingping Zhang 
Financial supports from Scientific Research Projects in Colleges and Universities in Hebei Province,China(ZD2020409 and ZD2019307);the National Natural Science Foundation of China(21301048);the Fundamental Research Funds for the Central Universities(3142018010 and 3142019013);the Natural Science Foundation of Hebei Province of China(E2019508214)。
The transportation of the proton,the smallest ion in nature,is rudimentary in chemical and biological reactions[1,2],such as photosynthesis[3],enzyme catalysis[4],and Brensted acid/base reactions[5],and currently even...
关键词:Quasi-Grotthuss mechanism Proton transfer Nonporous sulphate DFT study 
引入地形因素的海洋动力学方程组整体弱解的稳定性
《河南师范大学学报:自然科学版》2021年第3期18-26,共9页连汝续 张燕玲 黄兰 
国家自然科学基金(41975129)。
研究了引入地形因素和非定常外源强迫的海洋动力学方程组.该方程组是由速度方程、温度方程和盐度方程耦合而成的.在假设初值具有一定正则性时,使用能量估计方法,证明了给出新盐度边界条件的海洋动力学方程组初边值问题整体弱解的L1稳定...
关键词:海洋动力学方程组 整体弱解 地形因素 新盐度边界条件 稳定性 
五维最小规范超引力中渐近AdS黑洞的类Komar守恒荷
《河南师范大学学报:自然科学版》2021年第3期41-45,共5页邹长利 刘惠发 彭俊金 
国家自然科学基金(11865006)。
Komar积分可以有效地定义渐近平直黑洞的质量与角动量等守恒荷,但不能用于定义渐近anti-de Sitter(AdS)黑洞的质量.如果需要将Komar积分拓展到渐近AdS引力理论中,必须对其进行修正.一种可行的方案就是在守恒势中引入额外的Killing矢量...
关键词:Komar积分 五维超引力 引力理论的守恒量 渐近AdS黑洞 
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