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柴胡和茶花粉合用对高血脂模型大鼠降脂保肝作用研究

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山东中医药大学学报 2015年第6期39卷 557-559页

作者：王喆梁林何宏媛牟林徐宇翔山东中医药大学基础医学院山东济南250355 山东中医药大学药学院山东济南250355

目的 :研究柴胡和茶花粉联合用药对高血脂模型大鼠的降脂保肝作用。方法 :将48只Wistar大鼠随机分为6组,雌雄各半。采用高脂饲料喂养方法制备高血脂模型,造模的第一天起进行药物干预。A组灌胃柴胡液,B组灌胃茶花粉液,C组灌胃柴胡和茶花... 详细信息

目的 :研究柴胡和茶花粉联合用药对高血脂模型大鼠的降脂保肝作用。方法 :将48只Wistar大鼠随机分为6组,雌雄各半。采用高脂饲料喂养方法制备高血脂模型,造模的第一天起进行药物干预。A组灌胃柴胡液,B组灌胃茶花粉液,C组灌胃柴胡和茶花粉混合剂,D组灌胃辛伐他汀液,E组喂养高脂饲料,F组喂养常规饲料。高血脂造模第18天,A、B、C、E组腹腔注射CCl4造成肝损伤模型,造模结束后,取血测定血清ALT、AST、三酰甘油水平,肝组织切片观察肝组织形态变化。结果:饲喂高脂饲料后,与空白对照组相比,各组大鼠血清三酰甘油含量明显升高(P0.05)。血清AST和ALT检测结果与空白对照组相比,各组大鼠均显著升高(P0.05)。结论:柴胡、茶花粉及柴胡和茶花粉联合使用均具有降血脂作用,但柴胡和茶花粉联合给药的保肝效果好于单独给药。

关键词：柴胡茶花粉联合给药高脂血症降血脂保肝大鼠

Understanding pitting corrosion behavior of AZ91 alloy and its MAO coating in 3.5%NaCl solution by cyclic potentiodynamic polarization

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Journal of Magnesium and Alloys 2022年第5期10卷 1368-1380页

作者： yuxiang Liu Zhu Liu Anyang xu Xiaoting Liu National Key Laboratory for Remanufacturing of China 21 DujiakanFengtai DistrictBeijing 100072China School of Materials The University of ManchesterManchester M139PLUK

The pitting corrosion behavior of AZ91 alloy before and after micro-oxidation treatment in 3.5%Na Cl solution was investigated by cyclic potentiodynamic polarization(CPDP)and optical and SEM observations of corroded surfaces at different polarization *** CPDP results show that both the alloy and the MAO-coated alloy suffer from pitting corrosion and it is difficult for pits to stop growth once the pits *** is revealed that the air-formed Mg O film on AZ91 alloy,the MAO coating along with corrosion products(mainly Mg(OH))formed during CPDP can significantly influence the kinetics of the redox reactions of Mg,and further influence the propagation behavior of pitting *** optical and SEM images show that the corrosion products on AZ91 alloy are dense and protective but on the MAO-coated corrosion products are very *** observations support the analyses of CPDP results that pits on AZ91 alloy spread to the width whereas pits on MAO-coated alloy propagate to the ***,pitting corrosion on the MAO-coated alloy can be very severe once the coating ruptures and post-treatments are necessary to provide a promising corrosion protection for the Mg alloys.

关键词： AZ91 alloy MAO coating Pitting corrosion behavior Cyclic potentiodynamic polarization

Inspires effective alternatives to backpropagation:predictive coding helps understand and build learning

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Neural Regeneration Research 2025年第11期20卷 3215-3216页

作者： Zhenghua xu Miao Yu Yuhang Song School of Health Sciences and Biomedical Engineering Hebei University of TechnologyTianjinChina Department of Computer Science University of OxfordOxfordUK

Artificial neural networks are capable of machine learning by simulating the hiera rchical structure of the human *** enable learning by brain and machine,it is essential to accurately identify and correct the prediction errors,referred to as credit assignment(Lillicrap et al.,2020).It is critical to develop artificial intelligence by understanding how the brain deals with credit assignment in neuroscience.

关键词： assignment learning enable

Analysis of Micromechanical Properties at the Interface of Pre-wet SBS Modified Asphalt Mixture Based on Molecular Simulation Technology

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Journal of Wuhan University of Technology(Materials Science) 2025年第1期40卷 103-113页

作者： CHEN Wuxing CHEN Shuang YU Yan ZHANG Jiangyi xu Haiyang GUO Wei School of Mines China University of Mining and TechnologyXuzhou 221000China College of Construction Engineering Jilin Uni-versityChangchun 130026China

The pre-wetting of aggregate surface is a means to improve the interface performance of SBS modified asphalt and *** effect of pre-wetting technology on the interaction between SBS modified asphalt and aggregate was analyzed by molecular dynamics *** diffusion coefficient and concentration distribution of SBS modified asphalt on aggregate surface are *** simulation results show that the diffusion coefficient of the aggregate surface of SBS modified asphalt is increased by 47.6%and 70.5%respectively after 110#asphalt and 130#asphalt are *** concentration distribution of SBS modified asphalt on the aggregate surface after pre-wetting is more *** to the results of interface energy calculation,the interface energy of SBS modified bitumen and aggregate can be increased by about 5%after *** to the results of molecular dynamics simulation,the pre-wetting technology can effectively improve the interface workability of SBS modified bitumen and aggregate,so as to improve the interface performance.

关键词： pre-wet oil-stone interface interface interaction interface mechanics molecular dynamics simulation

Observation of topological charge transformations in acoustic vortex using passive periodic systems

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 140-147页

作者： Di-Chao Chen Xie Liu Changqing xu Da-Jian Wu Ying Cheng Xiao-Jun Liu School of Physics and Technology Nanjing Normal University Key Laboratory of Modern Acoustics School of Physics Nanjing University

Vortex transmutation utilizes a periodic system, which not only enables the alteration of the topological charge(TC) of unstable input vortices but also facilitates their transformation into stable structures. This approach is crucial for investigating the characteristics of vortices in various wave systems. Here, we achieve acoustic vortex TC transmutation by employing a welldesigned dual-structured plate external system(DPES). The interactions between the acoustic vortex and the finite-order discrete rotational symmetry lead to the transformation of its topological charge when complete rotational symmetry is broken to Nthorder discrete symmetry. Our results experimentally demonstrate the acoustic vortex TC transmutation based on passive artificial structures, enabling numerous applications in particle manipulation and information multiplexing as well as advancing our understanding and control over free-space acoustic vortices.

关键词： acoustic vortex topological charge transformation artificial structure

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超高酸原油的腐蚀规律及影响因素研究

石油化工腐蚀与防护 2022年第2期39卷 1-6页

作者：包振宇徐宇翔张国信李朝法段永锋中石化炼化工程集团洛阳技术研发中心材料与防腐工程室河南洛阳471003 中国石油大学(北京) 北京102249 中石化广州工程有限公司广东广州516086 中石化炼化工程集团洛阳技术研发中心河南洛阳471003

采用高压釜与高温动态模拟腐蚀评价装置等手段,研究了温度和流速对超高酸原油的腐蚀性影响以及不同材料在超高酸原油中的耐蚀性能差别,并将其与API RP581中数据进行了对比。研究表明,随着温度和流速的增大,材料腐蚀速率升高;Q245R,Cr5Mo... 详细信息

采用高压釜与高温动态模拟腐蚀评价装置等手段,研究了温度和流速对超高酸原油的腐蚀性影响以及不同材料在超高酸原油中的耐蚀性能差别,并将其与API RP581中数据进行了对比。研究表明,随着温度和流速的增大,材料腐蚀速率升高;Q245R,Cr5Mo,304L,316L,317L五种材料耐超高酸原油腐蚀性能依次增强。由于API RP581中高温环烷酸腐蚀数据为预测值,文中的试验数据可为修正API RP581中的腐蚀数据以及为设备和管道的选材提供参考和依据。

关键词：超高酸原油环烷酸腐蚀选材温度流速

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双连梁受力性能研究

结构工程师 2010年第3期26卷 31-37页

作者：胥玉祥朱玉华赵昕李学平同济大学建筑工程系上海200092 同济大学建筑设计研究院上海200092

通过ETABS软件分别建立设有单根普通连梁和双连梁的简化的联肢剪力墙结构模型,并在结构顶点施加水平荷载,研究双连梁与普通单连梁在水平荷载作用下的受力性能。分析双连梁的最大剪力、最大弯矩、顶点最大位移和自振周期等特性,及其随连... 详细信息

通过ETABS软件分别建立设有单根普通连梁和双连梁的简化的联肢剪力墙结构模型,并在结构顶点施加水平荷载,研究双连梁与普通单连梁在水平荷载作用下的受力性能。分析双连梁的最大剪力、最大弯矩、顶点最大位移和自振周期等特性,及其随连梁跨高比、上下连梁间距变化的规律,并与单连梁进行对比研究。经分析发现,相同荷载作用下,双连梁内力较单连梁小;随着跨高比增大,双连梁与普通连梁最大剪力、最大弯矩的比值逐渐减小。算例表明,当跨高比为2.5时,双连梁的最大弯矩、最大剪力约分别为单连梁的64%,64%,双连梁模型结构顶点的最大位移比单连梁增加25%左右,双连梁模型的自振周期比普通连梁略小。跨高比一定时,随着双连梁上下梁间距的增加,上下梁的内力有较小的变化。分析结果表明采用双连梁方案能够很好地降低连梁的内力,双连梁在改善高层建筑受力性能中会有优良的作用,是一种很好的连梁方案。

关键词：普通单连梁双连梁最大剪力最大弯矩最大顶点位移自振周期

Smart Cellulose‑Based Janus Fabrics with Switchable Liquid Transportation for Personal Moisture and Thermal Management

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Nano-Micro Letters 2025年第1期17卷 333-347页

作者： Jianfeng Xi Yanling Lou Liucheng Meng Chao Deng Youlu Chu Zhaoyang xu Huining Xiao Weibing Wu Jiangsu Co‑Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsJiangsu Provincial Key Lab of Sustainable Pulp and Paper Technology and Biomass MaterialsNanjing Forestry UniversityNanjing 210037People’s Republic of China College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037People’s Republic of China Department of Chemical Engineering University of New BrunswickFrederictonNB E3B 5A3Canada Macromolecular Chemistry and Bavarian Polymer Institute University of BayreuthBayreuth 95440Germany

The Janus fabrics designed for personal moisture/thermal regulation have garnered significant attention for their potential to enhance human ***,the development of smart and dynamic fabrics capable of managing personal moisture/thermal comfort in response to changing external environments remains a ***,a smart cellulose-based Janus fabric was designed to dynamically manage personal moisture/*** cotton fabric was grafted with N-isopropylacrylamide to construct a temperature-stimulated transport ***,hydrophobic ethyl cellulose and hydrophilic cellulose nanofiber were sprayed on the bottom and top sides of the fabric to obtain wettability *** fabric exhibits anti-gravity directional liquid transportation from hydrophobic side to hydrophilic side,and can dynamically and continuously control the transportation time in a wide range of 3–66 s as the temperature increases from 10 to 40℃.This smart fabric can quickly dissipate heat at high temperatures,while at low temperatures,it can slow down the heat dissipation rate and prevent the human from becoming too *** addition,the fabric has UV shielding and photodynamic antibacterial properties through depositing graphitic carbon nitride nanosheets on the hydrophilic *** smart fabric offers an innovative approach to maximizing personal comfort in environments with significant temperature variations.

关键词： Directional water transport Cotton fabric Anti-gravity directional liquid transportation Janus wettability

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基于正负压一体式的粉体仓泵气力输送系统

湖州师范学院学报 2023年第4期45卷 27-32页

作者：贺关丽王秦越许宇翔孙晨皓浙江管工智能机械设备有限公司浙江湖州313000 湖州职业技术学院机电与汽车工程学院浙江湖州313000 湖州师范学院工学院浙江湖州313000

针对传统的重力式入料气力输送系统自动化程度偏低、料仓造价偏高等问题,设计一种基于正负压一体式的粉体仓泵气力输送系统.该系统通过切换气源分配组件,实现物料的负压吸料及正压输送,以减少输送管道堵塞的发生,同时结合传感技术和PLC... 详细信息

针对传统的重力式入料气力输送系统自动化程度偏低、料仓造价偏高等问题,设计一种基于正负压一体式的粉体仓泵气力输送系统.该系统通过切换气源分配组件,实现物料的负压吸料及正压输送,以减少输送管道堵塞的发生,同时结合传感技术和PLC控制,以及人机交互界面的设计,实现系统的自动控制,从而提升系统输送的效率和精度.

关键词：正负压一体式气力输送管道堵塞自动控制