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艺术人类学视阈下中欧陶瓷艺术比较研究

陶瓷研究 2024年第3期39卷 16-18页

作者：米昊佳孙文轩哈尔滨师范大学哈尔滨150080 海南师范大学海口571158

陶瓷在每个历史时期各有其特点,承载着那一时期下的社会背景,制造者使用者的审美意趣,对美的理解,设计师的主张,政治文化思想等等。因此,陶瓷亦是艺术活动的结晶,包含着这一时期造型语言、设计思想、社会背景、制作工艺等。本文采用艺... 详细信息

陶瓷在每个历史时期各有其特点,承载着那一时期下的社会背景,制造者使用者的审美意趣,对美的理解,设计师的主张,政治文化思想等等。因此,陶瓷亦是艺术活动的结晶,包含着这一时期造型语言、设计思想、社会背景、制作工艺等。本文采用艺术人类学视野对中欧陶瓷进行比较分析,用联系发展的眼光看待作品背后的形成过程和文化蕴涵。以陶瓷作品为出发点,用全局观探析构成陶瓷作品的各部分因素之间的联系,并进行对比,以此了解中欧艺术界运动趋势异同。

关键词：陶瓷艺术设计思想制作工艺艺术人类学古典人类学

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不同产地来源的藏药材渣驯肝保护活性研究

药学学报 2024年第4期59卷 972-978页

作者：边巴坚参林莫迪强昊次仁吉腾飞米玛孙华西藏藏医药大学西藏拉萨850007 中国医学科学院、北京协和医学院药物研究所消化健康全国重点实验室北京100050 西藏自治区藏医院西藏拉萨850002

对来自不同产地的藏药材渣驯进行肝病治疗活性比较研究,在本研究中,首先评价了产自新疆维吾尔自治区阿勒泰地区哈巴河县、巴基斯坦吉尔吉特地区、西藏自治区山南市洛扎县、西藏自治区昌都市洛隆县、四川省甘孜藏族自治州九龙县等5个地... 详细信息

对来自不同产地的藏药材渣驯进行肝病治疗活性比较研究,在本研究中,首先评价了产自新疆维吾尔自治区阿勒泰地区哈巴河县、巴基斯坦吉尔吉特地区、西藏自治区山南市洛扎县、西藏自治区昌都市洛隆县、四川省甘孜藏族自治州九龙县等5个地区的藏药材渣驯对0.2%四氯化碳(CCl4)诱导ICR小鼠急性肝损伤的保护作用。结果显示,5个不同产地来源的藏药材渣驯在CCl4诱导的小鼠急性氧化性肝损伤模型中,均可显著降低肝损伤小鼠血清谷丙转氨酶(alanine aminotransferase,ALT)、谷草转氨酶(aspartate aminotransferase,AST)、乳酸脱氢酶(lactate dehydrogenase,LDH)水平;改善肝组织病理损伤;其中,新疆维吾尔自治区阿勒泰地区哈巴河县、巴基斯坦吉尔吉特地区、西藏自治区昌都市洛隆县三地来源的渣驯可显著降低肝组织丙二醛(malondialdehyde,MDA)含量(Pminophen,APAP)诱导的HepG2细胞损伤模型,评价了产自不同产地渣驯药材的体外保肝活性,结果显示,不同产地来源的藏药材渣驯均能显著抑制APAP诱导的肝细胞损伤,提高肝细胞存活率。本研究表明,不同产地来源的渣驯均具有明确的体内外肝保护活性,其中,来源于西藏自治区昌都市洛隆县的渣驯药材肝保护活性相对略优。本实验所用动物及相关处置符合动物福利的要求,实验开展前经过中国医学科学院药物研究所实验动物管理和使用委员会的审查批准(批准号:00004024)。

关键词：藏医药渣驯药源产地肝损伤氧化应激

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元宇宙技术近期发展动态

无人系统技术 2024年第3期7卷 93-100页

作者：孙新米永清张浩然北京理工大学计算机学院北京100081

元宇宙是一种能够映射现实世界并且可深度交互的虚拟环境,在诸多应用领域具备技术引领性。对近期元宇宙技术领域的主要发展动向进行了综合评述。首先介绍元宇宙技术的最新进展,随后分析元宇宙技术的军事应用进展和挑战,最后概述元宇宙... 详细信息

元宇宙是一种能够映射现实世界并且可深度交互的虚拟环境,在诸多应用领域具备技术引领性。对近期元宇宙技术领域的主要发展动向进行了综合评述。首先介绍元宇宙技术的最新进展,随后分析元宇宙技术的军事应用进展和挑战,最后概述元宇宙技术的未来发展趋势。综述表明,扩展现实、数字孪生、区块链、“人-机”交互控制等元宇宙核心技术,近来研发进展明显、应用加速;元宇宙技术对军事训练、作战指挥控制、战场数据融合处理等任务均有较好的改进前景,但是目前依然面临数据流通不畅、生理舒适度不佳、信息安全隐患加剧、监督立法进程滞后等发展挑战。综述认为,强化数据互通和互操作能力、提升人机交互的友好性和便捷性、保障信息安全和保护措施、完善伦理和法律监管能力等,正在成为未来元宇宙技术的重要发展方向。

关键词：元宇宙扩展现实数字孪生区块链 “人-机”交互控制

航空发动机钛合金分子动力学计算技术研究进展

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航空材料学报 2024年第2期44卷 87-103页

作者：弭光宝孙若晨吴明宇谭勇邱越海李培杰黄旭中国航发北京航空材料研究院先进钛合金航空科技重点实验室北京100095 清华大学新材料国际研发中心北京100084

未来航空发动机推重比等性能不断提升,对钛合金部件的高温力学及结构稳定性等提出更高的需求。传统实物实验在时间、空间尺度的局限性日益凸显,对于微观瞬态现象及机理的深入研究存在一定难度。而分子动力学(molecular dynamics,MD)计... 详细信息

未来航空发动机推重比等性能不断提升,对钛合金部件的高温力学及结构稳定性等提出更高的需求。传统实物实验在时间、空间尺度的局限性日益凸显,对于微观瞬态现象及机理的深入研究存在一定难度。而分子动力学(molecular dynamics,MD)计算技术以原子/分子模型为计算对象,在引入牛顿经典力学与经验参数的基础上,较量子计算方法大幅度提高了计算效率,从而成为实现航空发动机钛合金工艺参数优化与组织性能计算的重要技术途径。本文在概述MD计算空间与时间尺度优势基本原理的基础上,重点介绍通过MD计算方法研究钛合金成形制造、微观组织与结构、力学与热力学性能、材料设计和力场开发等方面的研究进展,以及有助于航空发动机钛合金耐高温性能提升的代表性结论。最后结合航空发动机钛合金对MD计算技术的需求,展望未来研究方向,指出基于MD计算方法的钛合金高通量成分设计、训练针对成熟钛合金成分体系的分子力场和将新型ReaxFF(reactive force field)反应力场引入钛合金燃烧机理研究中面临的挑战。

关键词：航空发动机钛合金分子动力学技术分子力场模拟计算

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同行评估在核设施辐射环境管理中的应用研究

核安全 2024年第4期23卷 1-7页

作者：米宇豪廖运璇孙长江中核工程咨询有限公司北京100000 生态环境部核与辐射安全中心北京100082

核设施的辐射环境管理是我国生态文明建设的重要内容,将同行评估用于核设施辐射环境管理,对于提升核设施整体安全水平、建设美丽中国具有重要意义。本文概述了同行评估在我国核设施管理中的应用情况,分析了开展辐射环境管理同行评估的... 详细信息

核设施的辐射环境管理是我国生态文明建设的重要内容,将同行评估用于核设施辐射环境管理,对于提升核设施整体安全水平、建设美丽中国具有重要意义。本文概述了同行评估在我国核设施管理中的应用情况,分析了开展辐射环境管理同行评估的必要性,研究了关键技术领域评估要点和其他需要特殊关注的问题,并对后续相关工作的开展提出了建议。

关键词：辐射环境管理核设施同行评估

Polycyclic aromatic hydrocarbons in benthos of the northern Bering Sea Shelf and Chukchi Sea Shelf

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Journal of Environmental Sciences 2020年第11期32卷 194-199页

作者： Yuxin Ma Yurong sun Yunkai Li Hongyuan Zheng Wenying mi School of Oceanography Shanghai Jiao Tong UniversityShanghai 200030China College of Marine Sciences Shanghai Ocean UniversityShanghai 201306China State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and EngineeringTongji UniversityShanghai 200092China miNJIE Institute of Environmental Science and Health Research Max-Plank Street 2Geesthacht 21502Germany

Eighteen polycyclic aromatic hydrocarbons(PAHs)were detected in benthos collected onboard the‘Snow Dragon’in the Northern Bering Sea Shelf and Chukchi Sea Shelf during the 6 th Chinese National Arctic Research Expedition(CHINARE 2014).18 PAHs for all biota samples ranged from 34.2 to 128.1 ng/g dry weight(dw),with the highest concentration observed in fish muscle(Boreogadus saida)samples close to *** *** PAH composition pattern was dominated by the presence of lighter 3 ring(57%)and 2 ring(28%)PAHs,indicating oil-related or petrogenic sources as important origins of PAH *** of alkyl-PAHs(1-methylnaphthalene and 2-methylnaphthalene)were lower than their parent PAH(naphthalene)in all biological tissue,and their percentage also decreased significantly(pmilation/effective metabolism for *** to toxic potency evaluation results from TCDD toxic equivalents(TEQs)and Ba P-equivalent(Ba PE)values,whelk(Neptunea heros)and starfish(Ctenodiscus crispatus)are two macroinvertebrate species showing relatively higher dioxin-like toxicity and carcinogenic risk.

关键词： Polycyclic aromatic hydrocarbons Arctic shelf Benthos Toxic potency Bioaccumulation

Investigation on fracture models and ground pressure distribution of thick hard rock strata including weak interlayer

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International Journal of mining Science and Technology 2022年第1期32卷 137-153页

作者： Meilu Yu Jianping Zuo Yunjiang sun Changning mi Zhengdai Li School of Mechanics&Civil Engineering China University of Mining&Technology(Beijing)Beijing 100083China State Key Laboratory of Coal Resources and Safe mining China University of Mining&Technology(Beijing)Beijing 100083China

Dynamic disasters,such as rock burst due to the breaking of large area stiff roof strata,are known to occur in the hard rock strata of coal *** this paper,mechanical models of the fracturing processes of thick hard rock strata were established based on the thick plate theory and numerical *** results demonstrated that,based on the fracture characteristics of the thick hard rock strata,four fracture models could be analyzed in detail,and the corresponding theoretical failure criteria were determined in *** addition,the influence of weak interlayer position on the fracture models and ground pressure of rock strata is deeply analyzed,and six numerical simulation schemes have been *** results showed that the working face pressure caused by the independent movement of the lower layer is relatively *** different fracture type of the thick hard rock strata had different demands on the working resistance of the hydraulic powered *** working resistance of the hydraulic powered supports required by the stratified movements was lower than that of the non-stratified movements.

关键词： Thick hard rock strata Thick plate theory Stratification movement of rock strata Numerical simulations Ground pressure distribution

Immobilized laccase on magnetic nanoparticles for enhanced lignin model compounds degradation

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Chinese Journal of Chemical Engineering 2020年第8期28卷 2152-2159页

作者： Xinyan Chen Bin He mi Feng Dingwei Zhao Jian sun Key Laboratory of Molecular Medicine and Biotherapy School of Life ScienceBeijing Institute of TechnologyBeijing 100081China Advanced Research Institute of Multidisciplinary Science Beijing Institute of TechnologyBeijing 100081China

As a natural aromatic polymer,lignin has great potential but limited industrial application due to its complex chemical *** strategies for lignin conversion,biodegradation has attracted promising interest recently in term of efficiency,selectivity and mild *** order to overcome the issues of poor stability and non-reusability of enzyme in the biodegradation of lignin,this work explored a protocol of immobilized laccase on magnetic nanoparticles(MNPs)with rough surfaces for enhanced lignin model compounds *** electron microscope with energy dispersive spectrometer(SEM-EDS),flourier transformation infrared spectroscopy(FTIR)and thermal gravimetric analysis(TGA)were utilized to characterize the immobilization of *** results showed a maximum activity recovery of 64.7%towards laccase when it was incubated with MNPs and glutaraldehyde(GA)with concentrations of 6 mg·ml^-1and 7.5 mg·ml^-1for 5 h,*** immobilized laccase showed improved thermal stability and pH tolerance compared with free laccase,and remained more than 80%of its initial activity after 20 days of storage at 4℃.In addition,about 40%residual activity of the laccase remained after 8 times *** chromatography–mass spectrometry(GC–MS)was utilized to characterize the products of lignin model compound degradation and activation,and the efficiency of immobilized laccase was calculated to be 1–5 times that of free *** was proposed that the synergistic effect between MNPs and laccase displays an important role in the enhancement of stability and activity in lignin model compound biodegradation.

关键词： Laccase Immobilization Magnetic nanoparticles Lignin model compounds Degradation

Anti-aggregation growth and hierarchical porous carbon encapsulation enables the C@VO_(2) cathode with superior storage capability for aqueous zinc-ion batteries

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Journal of Energy Chemistry 2022年第4期31卷 645-654页

作者： ming Yang Yanyi Wang Zhongwei sun Hongwei mi Shichang sun Dingtao Ma Peixin Zhang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060GuangdongChina College of Materials Science and Engineering Xi’an University of Architecture and TechnologyXi’an 710055ShaanxiChina Shenzhen Hello Tech Energy Co. Ltd.Shenzhen 518100GuangdongChina Guangdong Engineering Technology Research Center for Distributed and Intelligent Small Solar Energy Storage Shenzhen 518100GuangdongChina

Self-aggregation and sluggish transport kinetics of cathode materials would usually lead to the poor electrochemical performance for aqueous zinc-ion batteries(AZIBs).In this work,we report the construction of C@VO_(2) composite via anti-aggregation growth and hierarchical porous carbon *** of the morphology of composite and pore structure of carbon layer can be regulated by tuning the adding amount of *** acting as cathode applied for AZIBs,the C@VO_(2)-3:3 composite can deliver a high capacity of 281 m Ah g^(-1) at 0.2 A g^(-1).Moreover,such cathode also exhibits a remarkably rate capability and cyclic stability,which can release a specific capacity of 195 m Ah g^(-1) at 5 A g^(-1) with the capacity retention of 95.4%after 1000 *** that,the evolution including the crystal structure,valence state and transport kinetics upon cycling were also deeply *** conclusion,benefited from the synergistic effect of anti-aggregation morphology and hierarchical porous carbon encapsulation,the building of such C@VO_(2) composite can be highly expected to enhance the ion accessible site,boost the transport kinetics and thus performing a superior storage *** design concept can be applied for other kinds of electrode materials and accelerating the development of highperformance AZIBs.

关键词： Aqueous zinc-ion batteries Anti-aggregation Hierarchical porous carbon encapsulation C@VO_(2)composite Storage mechanism