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Large-area ultrastrong and stiff aramid nanofiber based layered nanocomposite films

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Nano Research 2024年第2期17卷 829-835页

作者： Zhidong nie Yingzhi Sun Tianxu Zhou shengwen Kong Linxing Liu Chuangqi Zhao Mingjie Liu Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education School of ChemistryBeihang UniversityBeijing 100191China University of Science and Technology of China Hefei 230026China Suzhou Institute for Advanced Research University of Science and Technology of ChinaSuzhou 215123China International Research Institute for Multidisciplinary Science Beihang UniversityBeijing 100191China

One-dimensional(1D)aramid nanofiber(ANF)based nanocomposite films have drawn increasing attentions in various applications due to their excellent mechanical properties and impressive chemical and thermal ***,the large-area fabrication of aramid nanocomposite films with ultrastrong mechanical properties under mild conditions remains a great *** we present a facile superspreading-assisted strategy to produce aramid nanofiber based oriented layered nanocomposites using phase inversion process that occurs at the fully swollen hydrogel *** nanocomposite films based on ANF,carboxylation carbon tube(CNT–COOH),poly(vinyl alcohol)(PVA),and MXene nanosheet exhibit a tensile strength of up to 870.8±85 MPa,a Young’s modulus of 21.8±2.2 GPa,and outstanding toughness(up to 43.2±4.6 MJ/m^(3)),which are much better than those conventional aramid nanofiber based *** conductivity of our nanocomposite films reaches the maximum of about 1100 S/*** fabulous mechanical properties combination and continuous production capability render our strategy representing a promising direction for the development of high-performance nanocomposites.

关键词： aramid nanofibers MXene nanosheets nanocomposites ultrastrong and stiff superspreading large-area production

Significantly enhanced thermal stability of HMX by phase-transition lysozyme coating

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Defence Technology（防务技术） 2024年第5期35卷 60-68页

作者： Jiahui Liu Congmei Lin Jianhu Zhang Chengcheng Zeng Zhijian Yang Fude nie Institute of Chemical Materials China Academy of Engineering Physics(CAEP)Mianyang 621900China Graduate School China Academy of Engineering Physics(CAEP)Mianyang 621900China

A new robust bio-inspired route by using lysozyme aqueous solution for surface modification on 1,3,5,7-tetranitro-1,3,5,7-tetrazocane(HMX)was described in this *** crystals were coated by in situ phase transition of lysozyme(PTL)*** HMX decorated by PTL was characterized by SEM,XRD,FTIR and XPS,demonstrating a dense core-shell coating *** coverage of lysozyme on HMX crystal was calculated by the ratio of sulfur *** surface coverage increased from 60.5% to 93.5% when the content of PTL was changed from 0.5 wt% to 2.0 wt%,indicating efficient *** thermal stability of HMX was investigated by in situ XRD and *** thermal phase transition temperature of HMX(β to δ phase)was delayed by 42℃ with 2.0 wt% PTL coating,which prevented HMX from thermal damage and sensitivity by the effect of PTL *** heating at 215℃,large cracks appeared in the naked HMX crystal,while the PTL coated HMX still maintained intact,with the impact energy of HMX dropped dramatically from 5 J to 2 ***,the impact energy of HMX with 1.0 wt% and 2.0 wt% coating content(HMX@PTL-1.0 and HMX@PTL-2.0)was unchanged(5 J).Present results potentially enable large-scale fabrication of polymorphic energetic materials with outstanding thermal stability by novel lysozyme coating.

关键词： HMX Lysozyme Phase transition Thermal stability Sensitivity

Stability and transepithelial transport of oligopeptide(KRQKYD)with hepatocyte-protective activity from Jinhua ham in human intestinal Caco-2 monolayer cells

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Food Science and Human Wellness 2024年第3期13卷 1503-1512页

作者： Wen nie Feiran Xu Kai Zhou Jieying Deng Ying Wang Baocai Xu Engineering Research Center of Bio-process Ministry of EducationSchool of Food and Biological EngineeringHefei University of TechnologyHefei 230601China School of Biological and Food Engineering Chuzhou UniversityChuzhou 239001China

The study evaluated the stability of an oligopeptide(Lys-Arg-Gln-Lys-Tyr-Asp,KRQKYD)and its transport mechanism by simulating gastrointestinal digestion and a model of human intestinal Caco-2 monolayer cells in *** this study,the effects of environmental factors(temperature,pH and NaCl concentration)and simulated gastrointestinal digestion on the stability of KRQKYD were evaluated by indicators of the levels of alanine transaminase(ALT),aspartate transaminase(AST)and malondialdehyde(MDA)in an alcoholinduced hepatocyte injury *** results showed that KRQKYD still maintained satisfactory hepatocyteprotective activity after treatment with different temperatures(20-80℃),pH(3.0-9.0),NaCl concentration(1%-7%)and simulated gastrointestinal digestion,which indicated that KRQKYD showed good stability to environmental factors and simulated gastrointestinal ***,the intact KRQKYD could be absorbed in a model of Caco-2 monolayer cells with a P_(app)value of(9.70±0.53)×10^(-7)cm/*** with an energy inhibitor(sodium azide),a competitive peptide transporter inhibitor(Gly-Pro)and a transcytosis inhibitor wortmannin did not decrease the level of transepithelial KRQKYD transport,indicating that the transport mechanism of KRQKYD was not associated with energy dependent,vector mediated and *** tight junction disruptor cytochalasin D significantly increased the level of transepithelial KRQKYD transport(P<0.05),suggesting that intact KRQKYD was absorbed by paracellular transport.

关键词： Jinhua ham KRQKYD(Lys-Arg-Gln-Lys-Tyr-Asp) Environmental stability Gastrointestinal digestive Transport mechanism

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宋代皇室与茅山道教的发展

南通大学学报（社会科学版） 2024年第2期40卷 147-158页

作者：刘固盛聂新华中师范大学历史文化学院道家道教研究中心华中师范大学历史文化学院

茅山宗开创于南朝时期,别具特色,在中国道教史上有着重要的地位。茅山宗地位的确立及其发展与道教上层化路线分不开。宋代的茅山宗虽不及唐代隆盛,但依然是皇室政治合作的主要对象。皇室的扶植是推动宋代茅山道教发展的重要因素。茅山... 详细信息

茅山宗开创于南朝时期,别具特色,在中国道教史上有着重要的地位。茅山宗地位的确立及其发展与道教上层化路线分不开。宋代的茅山宗虽不及唐代隆盛,但依然是皇室政治合作的主要对象。皇室的扶植是推动宋代茅山道教发展的重要因素。茅山与宋代皇室政治紧密结合,是举行国醮祭祀、皇室祝祷祈福的皇家道场,先后有三位皇室女性受茅山上清法箓。两宋时期,茅山宗师大多备受皇室宠遇,不仅提升了茅山宗师的个人地位,也为茅山宗的发展赢得了上层的支持。茅山既是茅山宗的活动场所,也是举行国醮的皇家道场。因此,茅山的宫观营建和生态环境保护对推动茅山宗经义的传播、巩固王权统治具有重要意义,两宋皇室均重视对茅山的建设和管理。

关键词：宋代茅山宗茅山道教 “三山符箓”

Reversed charge transfer induced by nickel in Fe-Ni/Mo_(2)C@nitrogen-doped carbon nanobox for promoted reversible oxygen electrocatalysis

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Journal of Energy Chemistry 2024年第1期88卷 202-212,I0005页

作者： Zhicheng nie Lei Zhang Qiliang Zhu Zhifan Ke Yingtang Zhou Thomas Wågberg Guangzhi Hu School of Materials Science and Engineering Anhui University of Science and TechnologyHuainan 232001AnhuiChina Institute for Ecological Research and Pollution Control of Plateau Lakes School of Ecology and Environmental ScienceYunnan UniversityKunming 650504YunnanChina National Engineering Research Center for Marine Aquaculture Marine Science and Technology CollegeZhejiang Ocean UniversityZhoushan 316004ZhejiangChina Department of Physics UmeåUniversityUmeåS-90187Sweden

The interaction between metal and support is critical in oxygen catalysis as it governs the charge transfer between these two entities,influences the electronic structures of the supported metal,affects the adsorption energies of reaction intermediates,and ultimately impacts the catalytic *** this study,we discovered a unique charge transfer reversal phenomenon in a metal/carbon nanohybrid ***,electrons were transferred from the metal-based species to N-doped carbon,while the carbon support reciprocally donated electrons to the metal domain upon the introduction of *** led to the exceptional electrocatalytic performances of the resulting Ni-Fe/Mo_(2)C@nitrogen-doped carbon catalyst,with a half-wave potential of 0.91 V towards oxygen reduction reaction(ORR)and a low overpotential of 290 m V at 10 mA cm^(-2)towards oxygen evolution reaction(OER)under alkaline ***,the Fe-Ni/Mo_(2)C@carbon heterojunction catalyst demonstrated high specific capacity(794 mA h g_(Zn)~(-1))and excellent cycling stability(200 h)in a Zn-air *** calculations revealed that Mo_(2)C effectively inhibited charge transfer from Fe to the support,while secondary doping of Ni induced a charge transfer reversal,resulting in electron accumulation in the Fe-Ni alloy *** local electronic structure modulation significantly reduced energy barriers in the oxygen catalysis process,enhancing the catalytic efficiency of both ORR and ***,our findings underscore the potential of manipulating charge transfer reversal between the metal and support as a promising strategy for developing highly-active and durable bi-functional oxygen electrodes.

关键词： Metal-support interaction Charge transfer reversal Oxygen reduction reaction Oxygen evolution reaction Zinc-air battery

Analysis of sub-nasal septum mucosa approach versus traditional approach with endoscopic endonasal transsphenoidal surgery for excision of pituitary adenoma

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Analysis of sub-nasal septum mucosa approach versus traditio...

Singlet oxygen-dominated peroxymonosulfate activation by layered crednerite for organic pollutants degradation in high salinity wastewater

2018年浙江省神经外科学学术年会

作者： sheng nie Xiang Gao Ningbo First Hospital

Objective Pituitary adenoma is one ofthe most common central nervous system ***, more and more neurosurgeons are focuing on a novel approach:sub-nasal septum mucosa approach (SSMA). This study was designed tocompare between SSMA and the traditional approach (TA) with endoscopic endonasal transsphenoidal surgery(EETS) for pituitary ***

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Journal of Environmental Sciences 2024年第1期135卷 86-96页

作者： Chengji Sui Zixuan nie Huan Liu Grzegorz Boczkaj Weizhen Liu Lingshuai Kong Jinhua Zhan Key Laboratory for Colloid&Interface Chemistry of Education Ministry Department of ChemistryShandong UniversityJinan 250100China School of Environment and Energy Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and RecyclingSouth China University of TechnologyGuangzhou 510006China Gdansk University of Technology Faculty of Civil and Environmental EngineeringDepartment of Sanitary EngineeringG.Narutowicza St.11/1280-233 GdanskPoland EkoTech Center Gdansk University of TechnologyG.Narutowicza St.11/1280-233 GdanskPoland

Advanced oxidation processes have been widely studied for organic pollutants treatment in water,but the degradation performance of radical-dominated pathway was severely inhibited by the side reactions between the anions and radicals,especially in high salinity ***,a singlet oxygen(^(1)O_(2))-dominated non-radical process was developed for organic pollutants degradation in high salinity wastewater,with layered crednerite(CuMnO_(2))as catalysts and peroxymonosulfate(PMS)as *** on the experiments and density functional theory calculations,^(1)O_(2)was the dominating reactive species and the constructed Cu-O-Mn with electron-deficient Mn captured electron from PMS promoting the generation of^(1)O_(2).The rapid degradation of bisphenol A(BPA)was achieved by CuMnO_(2)/PMS system,which was 5-fold and 21-fold higher than that in Mn_(2)O_(3)/PMS system and Cu_(2)O/PMS *** CuMnO_(2)/PMS system shown prominent BPA removal performance under high salinity conditions,prominent PMS utilization efficiency,outstanding total organic carbon removal rate,wide range of applicable pH and good *** work unveiled that the^(1)O_(2)-dominated non-radical process of CuMnO_(2)/PMS system overcame the inhibitory effect of anions in high salinity conditions,which provided a promising technique to remove organic pollutants from high saline wastewater.

关键词： Singlet oxygen Non-radical process High salinity Mixed metal oxides Wastewater treatment

基于变弯度技术和协同射流的混合流动控制技术研究

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工程力学 2022年第11期39卷 245-256页

作者：陈诚陈其盛黄江涛聂胜阳张文琦焦瑾中国空气动力研究与发展中心空天技术研究所绵阳621000 西安理工大学土木建筑工程学院西安710054 西安航空学院飞行器学院西安710077

现代飞机强调高速巡航特性且兼顾隐身特性,因此翼型往往采用厚度较小,前缘半径不大,弯度不大的薄翼型。这类翼型的低速气动性能较差,容易失速,限制了这类飞机的短距起降特性和载重能力,因此需要借助流动控制技术来改善低速特性。该文讨... 详细信息

现代飞机强调高速巡航特性且兼顾隐身特性,因此翼型往往采用厚度较小,前缘半径不大,弯度不大的薄翼型。这类翼型的低速气动性能较差,容易失速,限制了这类飞机的短距起降特性和载重能力,因此需要借助流动控制技术来改善低速特性。该文讨论新型的协同射流主动流动控制技术,同变弯度技术包括后缘变弯和前缘下垂技术等被动流动控制技术相结合,探索混合流动控制技术的流动控制机理和控制效果。基于数值模拟的结果发现:仅采用单一的流动控制技术在薄翼型上得到的控制效果有限,而将协同射流同变弯度技术结合的混合流动控制技术可同时发挥不同流动控制技术的优点(例如协同射流引起的后缘失速的推迟,下垂前缘带来的前缘失速推迟,后缘襟翼带来的零升迎角减小)。该文提供的混合流动控制方案可以将薄翼型的最大升力系数提升至CL_(max)=3.3127,相对原始构型提升了96%,具有广阔的工程应用前景。

关键词：后缘变弯前缘下垂协同射流混合流动控制薄翼型

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城市边缘社区三治融合中的法治:功能、挑战与优化——基于M社区的治理实践

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湖北经济学院学报 2023年第2期21卷 110-118页

作者：聂圣华中师范大学法学院武汉430079

法治作为三治融合治理体系的关键要素,是对自治、德治起到程序保障和矫正保障作用的“控制系统”。考察M社区的治理实践发现,城市边缘社区的法治实践面临法治参与主体积极性缺乏、法治方式运用有限和法治规范体系衔接不足的挑战。这主... 详细信息

法治作为三治融合治理体系的关键要素,是对自治、德治起到程序保障和矫正保障作用的“控制系统”。考察M社区的治理实践发现,城市边缘社区的法治实践面临法治参与主体积极性缺乏、法治方式运用有限和法治规范体系衔接不足的挑战。这主要是城市边缘社区产权关联弱、居民异质性强和事务行政性强等特点导致治理资源匮乏的外在因素,以及法治与自治、德治之间存在紧张关系的内在因素共同作用的结果。基于此,强化法治参与主体的激励机制、细化法治方式解纷的治理过程、深化法治规范体系的拓补衔接应当成为城市边缘社区三治融合中法治的优化路径。

关键词：三治融合城市边缘社区法治社区治理