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Mechanical behavior of entangled metallic wire materials-polyurethane interpenetrating composites

Defence Technology（防务技术） 2023年第2期20卷 120-136页

作者： Xiao-yuan Zheng Zhi-ying Ren Hong-bai Bai Zhang-bin Wu you-song guo College of Mechanical Engineering and Automation Fuzhou UniversityFuzhou350116China Institute of Metal Rubber&Vibration Noise Fuzhou UniversityFuzhou350116China Gongbang Vibration Control Technology Co. LtdJiangsuJiangyin214431China

Composite materials exhibit the impressive mechanical properties of high damping and stiffness,which cannot be attained by employing conventional single *** these lines,a novel material architecture is presented in this work in order to fabricate composites with enhanced mechanical *** specifically,entangled metallic wire materials were used as the active matrix,whereas polyurethane was employed as the reinforcement *** a result,an entangled metallic wire material-polyurethane composite with high damping and stiffness was prepared by enforcing the vacuum infiltration *** top of that,the mechanical properties(loss factor,energy consumption,and average stiffness)of the proposed composite materials were characterized by performing dynamic tests,and its fatigue characteristics were verified by the micro-interface bonding,as well as the macro-damage *** impact of the density,preloading spacing,loading amplitude,and exciting frequency on the mechanical properties of the composites were also thoroughly *** extracted results indicate that the mechanical properties of the composites were significantly enhanced than those of the pure materials due to the introduction of interface ***,the average stiffness of the composites was about 10 times the respective value of the entangled metallic wire ***,a rise in the loading period leads to some failure between the composite interfaces,which reduces the stiffness property but enhances the damping dissipation ***,a comprehensive dynamic mechanical model of the composites was established,while it was experimentally *** proposed composites possess higher damping features,i.e.,stiffness characteristics,and maintain better fatigue characteristics,which can broaden the application range of the *** addition,we provide a theoretical and experimental framework for the research and applications in the field of metal ma

关键词： Entangled metallic wire material Composites materials Damping property Stiffness Fatigue characteristics

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TRIPLET combined with microwave ablation:A novel treatment for advanced hepatocellular carcinoma

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World Journal of Gastrointestinal Oncology 2025年第1期17卷 10-12页

作者： Fei-Yu Zhao guo-Wei Si Nian-song Qian Department of Thoracic Oncology Respiratory and Critical Care MedicineThe Eighth Medical Center of People’s Liberation Army General HospitalBeijing 100853China Department of Gastroenterology Fourth Medical CentreGeneral Hospital of the People's Liberation ArmyBeijing 100142China Senior Department of Thoracic Oncology Respiratory and Critical Care MedicineThe Eighth Medical Center of People’s Liberation Army General HospitalBeijing 100091China

This editorial comments on a study by Zuo et *** focus is on the efficacy of he-patic arterial infusion chemotherapy combined with camrelizumab and apatinib(the TRIPLET regimen),alongside microwave ablation therapy,in treating advanced hepatocellular carcinoma(HCC).The potential application of this combination therapy for patients with advanced HCC is evaluated.

关键词： Microwave ablation Hepatic arterial infusion chemotherapy Apatinib Camrelizumab Hepatocellular carcinoma

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从一起地铁人身伤亡事故谈城轨交通损害赔偿责任与免责

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现代城市轨道交通 2008年第4期 52-53页

作者：宋有国上海市公安局城市轨道交通分局治安大队

鉴于国内一些城市关于轨道交通损害赔偿责任处理原则和免贵条件的地方性法规不符合我国《民法通则》和《立法法》法律规定,有必要结合城市轨道交通危险作业特征,按照无过错赔偿责任原则和《民法通则》规定的免责条件,尽快出台一个符合... 详细信息

鉴于国内一些城市关于轨道交通损害赔偿责任处理原则和免贵条件的地方性法规不符合我国《民法通则》和《立法法》法律规定,有必要结合城市轨道交通危险作业特征,按照无过错赔偿责任原则和《民法通则》规定的免责条件,尽快出台一个符合国家《民法通则》且统一的城市轨道交通人身损害赔偿责任规则。

关键词：损害赔偿责任免责民法通则

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Hawking Radiation of Dirac Particles in 1+1 Dimensional Nonstatic Black Hole

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Chinese Physics Letters 1996年第8期13卷 633-636页

作者： CHEN Da-ming SHEN you-gen song guo-xuan Shanghai Observatory Chinese Academy of SciencesShanghai 200030

This letter is devoted to the discussion of the Hawking radiation of Dirac particles in 1+1 dimensional *** general nonstatic 1+1 dimensional metric is used to calculate the radiant spectrum and the expression of radiation temperature,which,as an example,verifies the quantum-mechanical instability in black hole due to Hawking radiation.

关键词： Dirac devoted letter

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The small and large subunits of carbamoyl-phosphate synthase exhibit diverse contributions to pathogenicity in Xanthomonas citri ***

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Journal of Integrative Agriculture 2015年第7期14卷 1338-1347页

作者： guo Jing song Xue ZOU Li-fang ZOU Hua-song CHEN Gong-you School of Agriculture and Biology Shanghai Jiao Tong University

Carbamoyl-phosphate synthase plays a vital role in the carbon and nitrogen metabolism cycles. In Xanthomonas citrisubsp. citri, carA and carB encode the small and large subunits of carbamoyl-phosphate synthase, respectively. The deletion mutation of the coding regions revealed that carA did not affect any of the phenotypes, while carB played multiple roles in pathogenicity. The deletion of carB rendered the loss of pathogenicity in host plants and the ability to induce a hyper- sensitive reaction in the non-hosts. Quantitative reverse transcription-PCR assays indicated that 11 hrp genes coding the type Ill secretion system were suppressed when interacting with citrus plants. The mutation in carB also affected bacterial utilization of several carbon and nitrogen resources in minimal medium MMX and extracellular enzyme activities. These data demonstrated that only the large subunit of carbamoyl-phosphate synthase was essential for canker development by X. citri subsp, citri.

关键词： Xanthomonas citri subsp citri carbamoyl-phosphate synthase pathogenicity citrus canker hrp gene

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J/ψProduction Associated with the W-Boson at the 7 TeV Large Hadron Collider

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Chinese Physics Letters 2013年第9期30卷 39-42页

作者： song Mao LI Gang MA Wen-Gan ZHANG Ren-you guo Lei guo Jian-you School of Physics and Material Science Anhui UniversityHefei 230039 Department of Modern Physics University of Science and Technology of ChinaHefei 230026

We calculate the complete next-to-leading order(NLO)QCD corrections to J/ψ+W associated production within the factorization formalism of nonrelativistic QCD at the 7 TeV Large Hadron *** provide the numerical results for the leading-order(LO),NLO QCD corrected differential cross sections of the J/ψtransverse momentum by adopting the event selection criteria requested by the ATLAS *** is found that the differential cross section at the LO is significantly enhanced by the NLO QCD corrections.

关键词： correction momentum transverse

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Preparation of CaO-containing carbon pellets from coking coal and calcium oxide:Effects of temperature,pore distribution and carbon structure on compressive strength in pyrolysis furnace

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International Journal of Minerals,Metallurgy and Materials 2021年第7期28卷 1153-1163页

作者： Xiao-min you Xue-feng She Jing-song Wang Qing-guo Xue Ze-yi Jiang State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China

CaO-containing carbon pellets(CCCP)were successfully prepared from well-mixed coking coal(CC)and calcium oxide(CaO)and roasted at different pyrolysis *** effects of temperature,pore distribution,and carbon structure on the compressive strength of CCCP was investigated in a pyrolysis furnace(350-750℃).The results showed that as the roasting temperature increased,the compressive strength also increased and furthermore,structural defects and imperfections in the carbon crystallites were gradually eliminated to form more organized char structures,thus forming high-ordered ***,the CCCP preheated at 750℃exhibited the highest compressive strength.A positive relationship between the compressive strength and pore-size homogeneity was established.A linear relationship between the com-pressive strength of the CCCP and the average stack height of CC was ***,a four-stage caking mechanism was developed.

关键词： calcium oxide-containing carbon pellets calcium carbide coking coal compressive strength pyrolysis furnace

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Magnesium single-atom catalysts with superbasicity

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Science China Chemistry 2023年第6期66卷 1737-1743页

作者： Xiang-Bin Shao Yao Nian song-song Peng guo-song Zhang Meng-Xuan Gu you Han Xiao-Qin Liu Lin-Bing Sun State Key Laboratory of Materials-Oriented Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)College of Chemical EngineeringNanjing Tech UniversityNanjing 211816China School of Chemical Engineering and Technology Tianjin UniversityTianjin 300072China Haihe Laboratory of Sustainable Chemical Transformations Tianjin 300192China

Magnesium-related solid bases have long been considered catalysts with weak or medium *** we report the fabrication of Mg single-atom catalysts with superbasicity for the first time.A sublimation-migration-anchoring strategy is employed,in which the Mg net is sublimated,transported by Ar,and trapped by defective graphene(producing Mg_(1)/G).Simulated and experimental results demonstrate that Mg single atoms are anchored on graphene in tetra-coordination,and Mg single atoms cooperating with C atoms give superbasicity,which differs from conventional alkali/alkaline earth metal oxides with basicity originating from O *** new solid base is highly active in the synthesis of dimethyl carbonate through transesterification of ethylene carbonate with methanol,which is usually catalyzed by strong *** turnover frequency value reaches 99.6 h^(-1) on Mg_(1)/G,which is much higher than that of traditional Mg-related counterparts(1.0–5.6 h^(-1))and even superior to that of typical Na and K-related solid superbases(29.8–36.2 h^(-1))under similar conditions.

关键词： solid superbase single Mg atoms heterogeneous catalysts transesterification reaction

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Preparation and Investigation of Arsenic Trioxide-loaded Polylactic Acid/Magnetic Hybrid Nanoparticles

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Chemical Research in Chinese Universities 2014年第2期30卷 326-332页

作者： song Xiaoli you Juan WANG Juan ZHU Aiping JI Lijun guo Rong College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 P.R.China

In order to improve the therapeutic index and reduce the side effects of As2O3 so as to expand its clinical utility to solid tumors,As2O3-loaded polylactic acid（PLA）/magnetic nanoparticles（PAMNs） were prepared and the preparation conditions were optimized by the improved double emulsion solvent-evaporation method to obtain as a drug delivery system with a high As2O3 encapsulation efficiency and homogeneous nanosized *** loading of magnetic nanoparticles into the nanoparticles was confirmed by Fourier transform infrared（FTIR） *** drug loading,encapsulation efficiency and releasing properties of As2O3 in PAMNs were investigated by atomic fluorescence spectrometer ***,the in vitro antitumor efficacy of free As2O3 and As2O3-PAMNs against SMMC-7721 cell line was ***,confocal fluorescence microscopy was conducted to reveal the celluar uptake of As2O3-loaded PAMNs by SMMC-7721 cell line.

关键词： As2O3 Magnetism Polylactic acid nanoparticle Drug release

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Enhanced Anticancer Cells Effects of Optimized Suspension Stable As2O3-Loaded Poly（lactic-co-glycolic acid） Nanocapsules

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Chinese Journal of Chemistry 2015年第7期33卷 777-784页

作者： Xiaoli song Juan you Chunlan Xu Aiping Zhu Caifeng Yan Rong guo College of Chemistry and Chemical Engineering Yangzhou University Yangzhou Jiangsu 225002 China Northern Jiangsu People's Hospital Yangzhou Jiangsu 225001 China

This study is to prepare a nanosuspension based on poly（lactic-co-glycolic acid）（PLGA） for delivery, controlled release and enhanced anti-solid tumor effects of As2O3. As2O3-1oaded PLGA nanocapsules （As2O3-PLGANCs） were prepared by double emulsion-solvent evaporation method and were optimized by univariate analysis in combination with orthogonal experimental according to several factors. The optimized As2O3-PLGA NCs presented suitable physical stability, favorable size of （200.2± 10.6） nm （PDI=0.117 ±0.008）, spherical shape, and high encapsulation efficiency （92.48%± 2.14%）. The in vitro suspension stability of the NCs was excellent. The release of As2O3 from the NCs showed pH responsive release characteristics. The NCs can be efficiently taken up by SMMC-7721 cell and showed excellent antitumor efficacy against SMMC-7721 cell line. Then, As2O3-PLGA NCs could be considered as a promising formulation for the pH dependent release of As2O3 in cancer cells and enhance the anti-solid tumor effects of As2O3.

关键词： As2O3-PLGA nanocapsules orthogonal experiment suspension stability drug delivery

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