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The Coupling Constants *** electroweak Model with an SU（4）PS ×SU（4）eW Unification Symmetry

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Communications in Theoretical Physics 2007年第5期47卷 879-882页

作者： A.e. Bernardini Department of Cosmic Rays and Chronology State University of Campinas P.O. Box 6165 13083-970 Campinas SPBrazil

We introduce the sequence of spontaneous symmetry breaking of a coupling between Pati-Salam and electroweak symmetries SU（ 4 ）PS × SU（ 4 ）eW in order to establish a mathematically consistent relation among the coupling constants at grand unification energy scale. With the values of baryon minus lepton quantum numbers of known quarks and leptons, by including right-handed neutrinos, we can lind the mixing angle relations at different energy levels up to the electromagnetic U（1）eM scale.

关键词： electroweak unification gauge symmetry coupling constants

Quantifying quantum correlation via quantum coherence

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Frontiers of physics 2018年第4期13卷 285-290页

作者： Guang-Yong zhou Lin-Jian Huang Jun-Ya Pan Li-Yun Hu Jie-Hui Huang College of Physics and Communication electronics Jiangxi Normal University Nanchang 330022 China

Resource theory is applied to quantify the quantum correlation of a bipartite state and a computable measure is proposed. Since this measure is based on quantum coherence, we present another possible physical meaning for quantum correlation, i.e., the minimum quantum coherence achieved under local unitary transformations. This measure satisfies the basic requirements for quantifying quantum cor- relation and coincides with concurrence for pure states. Since no optimization is involved in the final definition, this measure is easy to compute irrespective of the Hilbert space dimension of the bipartite state.

关键词： resource theory quantum correlation quantum coherence

鸟苷酸结合蛋白GBP1和GBP2抑制猪轮状病毒体外复制

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畜牧兽医学报 2024年第1期55卷 245-257页

作者：陈姝宇朱雪蛟周金柱陶然张雪寒索朗斯珠贡嘎李彬西藏农牧学院动物科学学院林芝860000 江苏农业科学院兽医研究所南京210000 兽用生物制品(泰州)国泰技术创新中心泰州225300

本研究旨在探究鸟苷酸结合蛋白1(guanylate-binding protein-1,GBP1)、鸟苷酸结合蛋白2(guanylate-binding protein-2,GBP2)的全长、片段、GTPase酶活性对猪轮状病毒(porcine rotavirus,PoRV)复制的影响。以猪肾细胞cDNA和GBP1、GBP2质粒为模板,PCR扩增出GBP1、GBP 2基因的全长和截断体(G、M、e、Me区),克隆到pCDNA3.1(+)真核表达载体上。在恒河猴细胞(MA104)细胞上过表达或沉默GBP1、GBP 2基因,探究对PoRV复制的影响。设置不同的时间点,筛选GBP1、GBP2对PoRV复制产生影响作用的时间点。应用泛GTPase酶抑制剂(CID-1067700)探究GBP1、GBP2的GTPase酶活性对PoRV的作用。通过免疫印迹法Western blot、荧光定量PCR、病毒毒价测定等方法检测GBP1、GBP2蛋白的表达情况,并研究其抗病毒功能。结果表明:成功构建pCDNA3.1(+)-GBP1-HIS和pCDNA3.1(+)-GBP2(47aa-592aa)、(131aa-592aa)-HIS重组质粒,经验证能够表达。PoRV在蛋白和mRNA水平上能显著促进GBP1、GBP2基因表达上调。过表达GBP1、GBP2基因能显著抑制PoRV复制,沉默GBP1、GBP2基因的表达能显著促进PoRV复制。成功构建并表达了GBP1、GBP2蛋白的G、M、e、Me结构域截断体。过表达截断体基因发现GBP1、GBP2的G区域抑制PoRV的复制。通过泛GTPase抑制酶活性,发现GBP1、GBP2抑制PoRV复制需要依赖GTPase酶活性。GBP1、GBP2蛋白能够抑制PoRV的复制,该抑制作用依赖GBP蛋白GTPase酶活性区域。研究结果为PoRV寻找新的药物靶点和研发新型疫苗提供理论依据。

关键词：猪轮状病毒 GBP1 GBP2 抗病毒结构域

Fabrication of Ag@Ag_(2)O-MnO_(x) composite nanowires for high-efficient room-temperature removal of formaldehyde

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Journal of Materials Science & Technology 2021年第32期91卷 5-16页

作者： Hui Fang Chenxi Wang Daoyuan Li Shicheng zhou Yu Du He Zhang Chunjin Hang Yanhong Tian Tadatomo Suga State Key Laboratory of Advanced Welding and Joining Harbin Institute of TechnologyHarbin 150001China Collaborative Research Center Meisei UniversityTokyo 191-8506Japan

efficient removal of pollutant formaldehyde(HCHO) at room temperature using transition-metal oxides remains a huge challenge to date. Manganese oxide can oxidize formaldehyde, however, how to control the valence states of manganese is the key to further improve the removal efficiency. We have successfully prepared porous manganese oxide nanowires(Mn OxNWs) with large surface area and multiple valence states of manganese using simple electrospinning followed by thermal calcination and potassium permanganate solution post-treatment(C/S process). The contents of trivalent and tetravalent manganese increased significantly after C/S process. Moreover, the composition of silver oxide coated silver nanowires(Ag@Ag_(2) O NWs) is realized by assistance with oxygen plasma, which further enhanced high valence manganese. The formaldehyde removal efficiency by Ag@Ag_(2) O–Mn Oxcomposite nanowires can reach 93.7%. The high-efficient catalytic activity is confirmed to attribute to the higher surface area of composite nanowires, the high-valence manganese and the silver oxide for oxidation of formaldehyde.

关键词： electrospinning O_(2)plasma Manganese oxides Silver nanowires Formaldehyde

Polyoxometalates-engineered hydrogen generation rate and durability of Pt/CNT catalysts from ammonia borane

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Journal of energy Chemistry 2020年第2期29卷 142-148页

作者： Wenzhao Fu Chen Han Dali Li Wenyao Chen Jian Ji Gang Qian Weikang Yuan Xuezhi Duan Xinggui zhou State Key Laboratory of Chemical engineering East China University of Science and TechnologyShanghai 200237China Department of Chemical engineering and Applied Chemistry University of TorontoToronto.Ontario M5S 3E5Canada

Heterogeneously catalyzed hydrolytic dehydrogenation of ammonia borane is a remarkable structure sensitive reaction. In this work, a strategy by using polyoxometalates(POMs) as the ligands is proposed to engineer the surface and electronic properties of Pt/CNT catalysts toward the enhanced hydrogen generation rate and durability. Three kinds of POMs, i.e., silicotungstic acid(STA), phosphotungstic acid(PTA)and molybdophosphoric acid(PMA), are comparatively studied, among which the STA shows positive effects on the catalytic activity and durability. A catalyst structure-performance relationship is established by a combination of kinetic and isotopic analyses with multiple characterization techniques, such as HAADF-STeM, eDS, Raman spectroscopy and XPS. It is shown that the STA compared to the other two POMs can increase the Pt binding energy and thus promote the reaction. The insights demonstrated here could open a new avenue for boosting the reaction by employing the POMs as the ligands to engineer the catalyst electronic properties.

关键词： Polyoxometalates Pt/CNT electronic properties Hydrogen generation Durability

Acid dissociation constants and cytotoxicity test of a series of omega-aminoalkyl phosphates

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Chinese Chemical Letters 2016年第9期27卷 1523-1530页

作者： Fu-Hua Sun Yuan-Zhu Long Xiao-Yong zhou Yi-Rou Jiang Xing-Yi Xie Department of Polymeric Biomaterials and Artificial Organs College of Polymer Science and Engineering Sichuan University

We synthesised a series of ω-aminoalkyl sodium hydrogen phosphates （AAP-n-Na, n =3, 4, 5, 6, purity 〉 99%）, which have potential applications as bioactive cosmetic ingredients and surface modifiers of bone minerals （i.e. hydroxyapatites）. Results from Fourier transformed infrared （FTIR）, nuclear magnetic resonance （NMR） and high resolution mass spectroscopy, and elemental analysis all matched their chemical structures. The acid dissociation constants （pKa＇s） of each AAP-n （acid form of AAP-n-Na, n ; 2-6） were measured by potentiometric titration, showing a general increasing trend with an increase in the chain length of AAP-n. However, the pKa3 constant, which corresponds to the deprotonation of the ammonium group in AAP-n-Na, displayed an unusual decrease when n = even. This odd-even effect can be explained by the pairwise self-association of AAP-n-Na molecules in water where intermolecular hydrogen bonding in case of n=even is weaker than that in case of n=odd. All AAP-n-Na at concentrations up to 0.1% （w/v） were non-toxic to L929 fibroblasts and MG 63 osteoblast-like cells in terms of cell growth and morphology, These basic data were important for applications of AAP-n and their salts in biomedical engineering.

关键词： AminoalRyl phosphates Dissociation constant Cytotoxicity Odd-even effect Hydroxyapatite

信息流平台的营销曝光效果研究——基于关键意见领袖营销沟通的分

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中国工业经济 2024年第6期 174-192页

作者：曾伏娥曾怡萱王雪莹张天祐武汉大学经济与管理学院

随着信息流平台的快速发展,关键意见领袖(KOL)已成为营销沟通的主导力量。KOL作为一种与消费者在线沟通的有效媒介,鲜有研究深入分析其数量如何影响他们在信息流平台的曝光效果。本文基于一个信息流平台的面板数据,利用Poisson模型探索... 详细信息

随着信息流平台的快速发展,关键意见领袖(KOL)已成为营销沟通的主导力量。KOL作为一种与消费者在线沟通的有效媒介,鲜有研究深入分析其数量如何影响他们在信息流平台的曝光效果。本文基于一个信息流平台的面板数据,利用Poisson模型探索KOL数量对营销曝光效果的影响。结果发现,KOL数量对首位曝光效果具有正向影响,对多重曝光效果存在非线性影响。此外,信息流平台高效的推荐算法加剧了多重曝光的负面影响。通过深入探讨信息流平台KOL营销曝光效果的影响机制,本文挑战了以往的管理直觉,为KOL的相关研究提供了新的视角,发现与更多的KOL合作不一定会带来更好的营销曝光效果。本文对于优化信息流平台的沟通策略从而提高企业与消费者的营销沟通效果、实现品牌最终效益最大化具有指导意义。

关键词：关键意见领袖曝光效果首位曝光多重曝光说服知识

Dynamic Recrystallization Behavior of GCr15SiMn Bearing Steel during Hot Deformation

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Journal of Iron and Steel Research International 2014年第11期21卷 1042-1048页

作者： Dan ZHANG Ya-zheng LIU Le-yu zhou Qiang HAN Bo JIANG Zhong-zhi LI School of Material Science and engineering University of Science and Technology Beijing Dongbei Special Steel Group Corporation Limited

The hot deformation behavior of GCr15SiMn steel was studied through high temperature compression tests on the Gleeble-1500 thermal-mechanical simulator. The initiation and evolution of dynamic recrystallization （DRX） were investigated with microstructural analysis and then the process variables were derived from flow curves. In the present deformation conditions, the curves of strain hardening exponent （n） and the true strain （e） at the deformation temperature of 1423 K and strain rates of 0.1, 1 and 10 s^-1 exhibit single peak and single valley. According to Zener-Hollomon and Ludwik equation, the experimental data have been regressed by using linear method. An expression of Z parameter and hot deformation equation of the tested steel were established. Moreover, the Q values of GCrlSSiMn and GCr15 steels were compared. In order to determine the recrystallization fraction under different con ditions, the volume fraction of DRX as a function of process variables, such as strain rate （ε）, temperature （T）, and strain （ε）, was established. Itwas found that the calculated results agreed with the mierostructure of the steel at any deformation conditions.

关键词： GCr15SiMn strain hardening exponent dynamic recrystallization critical strain kinetic model

Software Technology for e-Commerce era

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Wuhan University Journal of Natural Sciences 2001年第Z1期6卷 159-163页

作者： Chen shing Chou e Toyou International Inc.,Taipei 100,China e-Toyou International Inc. Taipei 100 China

The rapid growth of Internet usage and electronic commerce (e commerce) applications will push traditional industries to transform their business models and to re engineer their information systems. This direction will give the software industry either great opportunities for their business growth or crucial challenges to their existence. This article describes two essential challenges the software industry will face and presents relevant new technologies that will be helpful for overcoming those challenges.

关键词： Software technology electronic commerce software industry software development domain knowledge knowledge oriented one to one IPR protection