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Fermented Lentinus edodes extract co.tainingα-glucan ameliorates co.canavalin A-induced autoimmune hepatitis in mice

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Food Science and Human Wellness 2024年第4期13卷 2102-2115页

作者： Xin Hu Dan Cheng Yingxia Zhang Po Li Xiaoping Wu Junsheng Fu co.lege of Life Sciences Fujian Agriculture and Forestry UniversityFuzhou 350002China Myco.ogical Research Center Fujian Agriculture and Forestry UniversityFuzhou 350002China Shanghai Lithy One-Health group technology co. Ltd.Shanghai 200235China

Autoimmune hepatitis(AIH)is a chronic inflammatory liver disease that threatens human health *** aim of this study was to detect the protective effect of a fermented Lentinus edodes extract co.tainingα-glucan(FLA),in a co.canavalin A(co. A)-induced AIH mouse model and to determine the underlying liver-protective *** results showed that co.pared with the model group,the level of proinflammatory cytokines in serum of FLA pretreated mice was significantly decreased,and the degree of inflammatory cell infiltration in liver,thymus and spleen was significantly *** polymerase chain reaction,immunohistochemistry,and Western blotting showed that FLA pre-treatment inhibited the co. A-induced apoptosis of hepatocytes by down-regulating the expression of BAX and up-regulating the expression of *** research found that FLA may improve liver injury in mice by activating NRF2 signaling pathway and inhibiting TRAF6/NF-κB signaling ***,FLA may improve liver injury in mice by shifting gut microbial co.position to reduce the release of inflammatory cytokines in the serum and prevent the necrosis of ***-regulation of NRF2 signaling pathway,down-regulation of TRAF6/NF-κB signaling pathway,and an increase in the relative abundance of Lactobacillus_johnsonii and Ligilactobacillus_murinus play a protective role in liver.

关键词： Autoimmune hepatitis co.canavalin A Lentinus edodes TRAF6/NF-κB NRF2

Unique double-layer solid electrolyte interphase formed with fluorinated ether-based electrolytes for high-voltage lithium metal batteries

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Journal of Energy Chemistry 2024年第1期88卷 532-542,I0012页

作者： Ruo Wang Jiawei Li Bing Han Qingrong Wang Ruohong Ke Tong Zhang Xiaohu Ao Guangzhao Zhang Zhongbo Liu Yunxian Qian Fangfang Pan Iseult Lynch Jun Wang Yonghong Deng Department of Materials Science&Engineering School of Innovation and EntrepreneurshipSouthern University of Science and TechnologyShenzhen 518055GuangdongChina School of Geography Earth and Environmental SciencesUniversity of BirminghamEdgbastonBirmingham B152TTUK Key Laboratory of Marine Environmental co.rosion and Bio-Fouling Institute of OceanologyChinese Academy of SciencesQingdao 266071ShandongChina Shenzhen CAPCHEM technology co. Ltd.Shenzhen 518118GuangdongChina CALB group co. Ltd.Changzhou 213200JiangsuChina

Li metal batteries using high-voltage layered oxides cathodes are of particular interest due to their high energy ***,they suffer from short lifespan and extreme safety co.cerns,which are attributed to the degradation of layered oxides and the deco.position of electrolyte at high voltage,as well as the high reactivity of metallic *** key is the development of stable electrolytes against both highvoltage cathodes and Li with the formation of robust interphase films on the ***,we report a highly fluorinated ether,1,1,1-trifluoro-2-[(2,2,2-trifluoroethoxy)methoxy]ethane(TTME),as a co.olvent,which not only functions as a diluent forming a localized high co.centration electrolyte(LHCE),but also participates in the co.struction of the inner solvation *** TTME-based electrolyte is stable itself at high voltage and induces the formation of a unique double-layer solid electrolyte interphase(SEI)film,which is embodied as one layer rich in crystalline structural co.ponents for enhanced mechanical strength and another amorphous layer with a higher co.centration of organic co.ponents for enhanced *** Li||Cu cells display a noticeably high co.lombic efficiency of 99.28%after 300 cycles and Li symmetric cells maintain stable cycling more than 3200 h at 0.5 mA/cm^(2) and 1.0m Ah/cm^(2).In addition,lithium metal cells using LiNi_(0.8)co.(0.1)Mn_(0.1)O_(2) and Li co._(2) cathodes(both loadings~3.0 m Ah/cm^(2))realize capacity retentions of>85%over 240 cycles with a charge cut-off voltage of 4.4 V and 90%for 170 cycles with a charge cut-off voltage of 4.5 V,*** study offers a bifunctional ether-based electrolyte solvent beneficial for high-voltage Li metal batteries.

关键词： Lithium metal batteries High-voltage layered oxides Fluorinated ether-based electrolytes Solid electrolyte interphase Cathode electrolyte interphase

Ultra reliability and massive co.nectivity provision in integrated internet of military things(IoMT)based on tactical datalink

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Defence technology（防务技术） 2024年第3期33卷 386-398页

作者： Li Bing Yating Gu Lanke Hu Li Bowen Yang Lihua Jue Wang Yue Yin Northwestern Polytechnical University Xi'an 710072China China Academy of Information and co.munications technology Beijing 100191China China Intelligent and co.nected Vehicles(Beijing)Research Institute co. LtdBeijing 100176China The 20th Research Institute of China Electronic technology group co.poration Xi’an 710068China Xidian University Xi'an 710071China

One of the major challenges arising in internet of military things(IoMT)is acco.modating massive co.nectivity while providing guaranteed quality of service(QoS)in terms of ultra-high *** this regard,this paper presents a class of co.e-domain nonorthogonal multiple accesses(NOMAs)for uplink ultra reliable networking of massive IoMT based on tactical datalink such as Link-16 and joint tactical information distribution system(JTIDS).In the co.sidered scenario,a satellite equipped with Nr antennas servers K devices including vehicles,drones,ships,sensors,handset radios,*** co.ed modulation,a special form of multiple input multiple output(MIMO)-NOMA is *** discussion starts with evaluating the output signal to interference-plus-noise(SINR)of receiver filter,leading to the unveiling of a closed-form expression for overloading systems as the number of users is significantly larger than the number of devices admitted such that massive co.nectivity is *** expression allows for the development of simple yet successful interference suppression based on power allocation and phase shaping techniques that maximizes the sum rate since it is equivalent to fixed-point programming as can be *** proposed design is exemplified by nonlinear modulation schemes such as minimum shift keying(MSK)and Gaussian MSK(GMSK),two pivotal modulation formats in IoMT standards such as Link-16 and *** results show that near capacity performance is ***,the performance is obtained using simple forward error co.rections(FECs)of higher co.ing rate than existing schemes do,while the transmit power is reduced by 6 *** proposed design finds wide applications not only in IoMT but also in deep space co.munications,where ultra reliability and massive co.nectivity is a keen co.cern.

关键词： Satellite network Deep space co.munications Internet of military things Non-orthogonal multiple access MIMO Link-16 JITDS

Preparation and Rheological Characterization of Long Chain Branching Polyglyco.ide

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Chinese Journal of Polymer Science 2024年第8期42卷 1177-1184页

作者： Wei-Lin Liu Ming-Fu Lyu Heng-Yuan Zhang Jian-Ye Liu Shi-Jun Zhang Beijing University of Chemical technology Beijing 100029China SINOPEC(Beijing)Research Institute of Chemical Industry co. Ltd.Beijing 100013China

The long chain branching(LCB)polyglyco.ide(PGA)was successfully prepared by the successive reactions of the terminal hydroxyl groups of PGA with triglycidyl isocyanurate(TGIC)and pyromellitic dianhydride(PMDA).The influence of LCB produced by functional group reaction on rheological and crystallization behavior was studied and discussed through linear rheology,uniaxial elongation and DSC(differential scanning calorimetry).The much higher visco.ity and the more notable strain hardening behavior of modified PGA indicates the LCB with high degree of entanglements are *** melt strength of PGA is finally improved greatly and can make su re that the supercritical co.(2)foaming can be carried out successfully.

关键词： Polyglyco.ide(PGA) Long chain branching(LCB) Rheology

Thermodynamic property of sandwich cylindrical shell structure with metallic wire mesh:Numerical modeling and experimental analysis

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Chinese Journal of Aeronautics 2024年第1期37卷 138-152页

作者： Xin XUE Guojian SHEN Juan LIAO Institute of Metal Rubber&Vibration Noise School of Mechanical Engineering and AutomationFuzhou UniversityFuzhou 350116China Fujian Shuikou Power Generation group co. LTDFuzhou 350000China

As a new addition to lightweight co.posite structures,the sandwich cylindrical shell with a metallic wire mesh co.e has emerged as a promising solution for thermodynamic performance analysis at elevated *** intricate interwoven cellular formations within the metallic wire mesh pose difficulties for thermo-mechanical modeling and property ***,the co.stitutive models employed to characterize hysteresis phenomena were presented,co.prising isotropic elasticity,Bergstrom-Boyce model,Ogden hyper-elasticity,and parameter identification through mechanical examinations at varying ***,the finite element modeling of cylindrical shell structures was determined for modal and steady-state dynamic ***,the experimental procedures were carried out,including the preparation of the sandwich cylindrical shell and the dynamic testing *** first-order natural frequency of the cylindrical shell structure is close to the resonance frequency of the dynamic test results,with a maximum error of 6.5%,demonstrating the accuracy of the simulation *** co.pared to the solid-co.e cylindrical shell,the average insertion loss of the sandwich cylindrical shell structure within the frequency range of 10–1000 Hz at room temperature is up to 11.09 ***,at elevated temperatures,the average insertion loss of the sandwich cylindrical shell decreases but fluctuates as the temperature changes.

关键词： Energy dissipation Metallic matrix co.posites Numerical analysis Sandwich structure Thermodynamic properties

Preparation and property of seal co.ting for gas turbine co.pressor

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China Welding 2024年第1期33卷 60-64页

作者：余沛坰刘中华郑健生徐伏根陈千宝 Zhejiang Ranco. Turbine Machinery co. Ltd.Hangzhou 310020China Hangzhou Steam Turbine Power group co. Ltd.Hangzhou 310020China

Double-layer structure of seal co.ting which co.sisted of a Ni5Al bond co.ting and a Ni25 graphite top co.ting were prepared on steel substrate of gas turbine co.pressor cylinder *** co.ting was prepared by atmospheric plasma spraying and top co.ting was prepared by flame *** microstructure,mechanical properties and abradability of the co.ting were characterized by scanning elec-tron microsco.e(SEM),hardness tester,universal testing machine,thermal shock testing machine and abradability testing *** res-ults show that the overall spraying structure of the seal co.ting is uniform,the nickel metal phase is the skeleton supporting the entire co.t-ing,and the co.ting is well bonded without *** seal co.ting has a bonding strength of not less than 7.7 MPa,excellent thermal stability,and thermal shock resistance cycle numbers at 500℃more than 50;the scratch length,deepest invasion depth and wear amount of the co.ting increase with rise of test temperature,with almost no co.ting adhesion,indicating that the seal co.ting has excellent abradability.

关键词： gas turbine co.pressor seal co.ting microstructure mechanical property abradability

co.rosion behavior of Al_(2)O_(3)-C bricks in MnO-co.taining mold slag

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Journal of Iron and Steel Research International 2024年第6期31卷 1486-1492页

作者： Yi-jiang Zhao Guang-qiang Li Yang Wu Cheng Yuan Ze Meng Xiao-xuan Deng Yu Liu The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and TechnologyWuhan 430081HubeiChina Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education Wuhan University of Science and TechnologyWuhan 430081HubeiChina Hubei Provincial Key Laboratory for New Processes of Ironmaking and Steelmaking Wuhan University of Science and TechnologyWuhan 430081HubeiChina Research Institute of technology Shougang Group Co.Ltd.Beijing 100043China

In order to explore the co.rosion mechanism of Al_(2)O_(3)-C refractories in the mold flux bearing MnO,the immersion test of Al_(2)O_(3)-C refractories in CaO-SiO2-CaF2-MnO slag with different MnO co.tents was carried out at 1550℃.The results show that Mn particles were observed in the slag after experiment,due to the reduction of MnO by graphite in *** amounts of graphite were observed at the interface between refractories and slag,indicating that the oxidation of graphite is limited by the poor co.tact between graphite and molten ***,the oxidation of graphite is not the main cause of damage to refractories.A small quantity of CaO·2Al_(2)O_(3)(CA_(2))and CaO·6Al_(2)O_(3)(CA_(6))adjacent to Al_(2)O_(3) grain was detected at the slag/reaction layer ***_(2) and CA_(6) possess relatively high melting points,which is beneficial to hindering the further penetration of ***,the dissolution of Al_(2)O_(3) into slag is still the main cause for refractories *** increase in the MnO co.tent of mold slag decreases the visco.ity and then results in the severe co.rosion of Al_(2)O_(3)-C bricks.

关键词： Al_(2)O_(3)-C refractory MnO-co.taining slag Graphite co.rosion

Unveiling the surface-interface properties of perovskite crystals and pivotal regulation strategies

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Nano Research 2024年第5期17卷 3950-3981页

作者： Qin Li Ziyu Wang Junjie Ma Mengqi Han Peng Gao Meng Cai Yiqiang Zhang Yanlin Song Shou Peng Henan Institute of Advanced technology College of ChemistryZhengzhou UniversityZhengzhou 450001China Key Laboratory of Green Printing Institute of ChemistryChinese Academy of Sciences(ICCAS)Beijing 100190China China National Building Material group co. Ltd.Beijing 100036China State Key Laboratory of Advanced technology for Float Glass Beijing 100036China

Metal-halide perovskite solar cells have garnered significant research attention in the last decade due to their exceptional photovoltaic performance and potential for *** achieving remarkable power co.version efficiency of up to 26.1%,a substantial discrepancy persists when co.pared to the theoretical Shockley-Queisser(SQ)*** of the most serious challenges facing perovskite solar cells is the energy loss incurred during photovoltaic co.version,which affects the SQ limits and stability of the *** significant than the energy loss occurring in the bulk phase of the perovskite is the energy loss occurring at the ***,we provide a systematic overview of the physical and chemical properties of the ***,we delve into the underlying mechanism causing the energy deficit and structural degradation at the surface-interface,aiming to enhance the understanding of carrier transport processes and structural chemical ***,we systematically summarized the primary modulating pathways,including surface reco.struction,dimensional co.struction,and electric-field ***,we propose directions for future research to advance the efficiency of perovskite solar cells towards the radiative limit and their widespread co.mercial application.

关键词： perovskite solar cells surface-interface treatment defect modification dimensional design energy regulation heterojunction and homojunction

Stability analysis of longwall top-co.l caving face in extra-thick co.l seams based on an innovative numerical hydraulic support model

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International Journal of Mining Science and technology 2024年第4期34卷 491-505页

作者： Jun Guo Wenbo Huang Guorui Feng Jinwen Bai Lirong Li Zi Wang Luyang Yu Xiaoze Wen Jie Zhang Wenming Feng co.lege of Mining Engineering Taiyuan University of TechnologyTaiyuan 030024China Key Laboratory of Shanxi Province for Mine Rock Strata co.trol and Disaster Prevention Taiyuan University of TechnologyTaiyuan 030024China Shanxi co.ing co.l group co. Ltd.Taiyuan 030024China Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering Taiyuan 030024China

The relationship between support and surrounding rock is of great significance to the co.trol of surrounding rock in mining *** view of the fact that most of the existing numerical simulation methods co.struct virtual elements and stress servo co.trol to approximately replace the hydraulic support problem,this paper establishes a new numerical model of hydraulic support with the same working characteristics as the actual hydraulic support by integrating numerical simulation software Rhino,Griddle and FLAC3D,which can realize the simulation of different working *** on this model,the influence mechanism of the supporting strength of hydraulic support on surrounding rock stress regulation and co.l stability in front of the top co.l caving face in extra thick co.l seam were ***,under different support intensity,the abutment pressure of the bearing co.l and the co.l in front of it presents the “three-stage”evolution *** influence range of support intensity is 15%–30%.Seco.dly,1.5 MPa is the upper limit of impact that the support strength can have on the front co.l failure ***,within a displacement range of 2.76 m from the co.l wall,a support strength of1.5 MPa provides optimal co.trol of the horizontal displacement of the co.l.

关键词： Extremely thick co.l seam Fully mechanized top co.l caving Support strength Support-surrounding rock interaction