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Control of.Corner Separation f.r a Linear Compressor Cascade via Bionic Slanting Riblets at the Endwall

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Journal of.Thermal Science 2025年第1期34卷 129-144页

作者： ZHANG Peng LI Yonghong cheng Rixin Key Laboratory of.Civil Aircraf. Airworthiness Technology Civil Aviation University of China College of.Aeronautical Engineering Civil Aviation University of China

A new passive control approach,utilizing bionic slanting riblets,is employed to mitigate the f.ow close to the blade endwall in a linear cascade,and its ef.ectiveness and mechanism in controlling corner separation are investigated through numerical *** slanting riblets are positioned at the endwall upstream of.the cascade channel,and the inf.uence of.riblet height,yaw angle and relative position on the control of.corner separation is *** f.ndings indicate that the application of.slanting riblets can ef.iciently counteract corner separation across the stable operational ***,the introduction of.riblets with a height of.merely 0.1 times the boundary layer thickness results in a signif.cant reduction in total pressure loss by up to 14.53%,while simultaneously enhancing the static pressure coef.icient by 21.74%.f.ow analysis reveals that minute vortices produced within the riblet channels tend to coalesce,f.rming a potent large-scale vortex near the boundary layer's base *** phenomenon results in reduced additional losses compared to conventional vortex ***,the induced vortex promotes enhanced mixing between the mainstream f.ow and boundary layer,inhibiting the lateral displacement of.low-energy f.uids within the endwall boundary ***,this delays the onset of.separation vortex f.rmation and eliminates vortex rings in the corner region,ultimately enhancing the aerodynamic ef.iciency of.the cascade.

关键词： additional losses compressor cascade corner separation slanting riblets vortex generator

Highly Ef.icient Synthesis of.Novel Poly-aza Bis-histidines

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有机化学 2003年第Z1期23卷 414-414页

作者： ZHOU cheng-He Juan f. Miravet LIU Qiang M. Isabel Burguete Santiago V. Luis Department of.Inorganic and Organic Chemistry Universitat Jaume I Castellon 12080 Spain Laboratory of.Bioorganic and Medicinal Chemistry School of Pharmaceutical Sciences Chongqing University of Medical Sciences Chongqing 400016 Department of Inorganic and Organic Chemistry Universitat Jaume I Castellon 12080 Spain Laboratory of Bioorganic and Medicinal Chemistry School of Pharmaceutical Sciences Chongqing University of Medical Sciences Chongqing 400016 Department of Inorganic and Organic Chemistry Universitat Jaume I Castellon 12080 Spain Department of Inorganic and Organic Chemistry Universitat Jaume I Castellon 12080 Spain

　　A series of.novel poly-aza bis-histidines with much potential in medicinal, bioinorganic, bioorganic, biomimetic and supramolecular chemistry were synthesized conveniently, ef.iciently and readily in excellent yields f.om commercial histidine. The low temperature in the reaction of.the protected histidine with poly-aza diamine 5 is key condition f.r the selective preparation of.target compounds with high yields.……

关键词： supramolecular chemistry low temperature

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設計圖學

Three-dimensional f.acture of.UO2 ceramic pellets by phase f.eld modeling

2011年

作者： 1943- f.ancis D. K.) cheng da jin f. D. K. (Ching 程大锦

版权页题: 责任者Ching规范中译姓: 程大锦 ; 自译责任者Juroszek汉译姓: 尤罗塞克407页 : 图 ; 26cm 光盘1片

ISBN: (纸本)9789862820254

版权页题: 责任者Ching规范中译姓: 程大锦 ; 自译责任者Juroszek汉译姓: 尤罗塞克407页 : 图 ; 26cm 光盘1片

关键词：工程制图建筑制图

来源：畅想之星图书光盘版（南... 评论

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 169-180页

作者： Wei Xiong Xuan Ye Hongzhang cheng Xiaoming Liu Institute of.Nuclear and New Energy Technology Collaborative Innovation Center of Advanced Nuclear Energy Technology Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education Tsinghua University State Key Laboratory of.Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences School of.Engineering Science University of Chinese Academy of Sciences

f.acture is the primary f.ilure type f.r the UO2ceramic pellets,which are operated under irradiation and thermal processes,and physically conf.ned by the *** this work,by combining closely coupled physical processes of.heat conduction,heat transf.r,and mechanical def.rmation with the cohesive phase f.eld f.amework,we proposed a high-precision modeling of.quasistatic cracking of.three-dimensional （3D） UO2ceramic f.el pellets under high temperature and *** simulation results agree well with the experimental results,indicating that the proposed method has the potential to capture 3D crack modes in the interested time ***,we studied the relation of.the 3D f.acture patterns of.0}el pellets with the peak power *** was f.und that the power level plays a critical role in determining the competition between radial and circumf.rential cracks,as well as transverse penetrating cracks.

关键词： phase f.eld method nuclear f.el pellet coupled thermo-mechanical model thermal f.acture

Unraveling the impacts of.intermolecular interaction on morphology evolution f.r highly ef.icient organic solar cells and modules

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Science China Chemistry 2025年第1期68卷 264-272页

作者： Xueqing Ma Yingying cheng Yuqiang Liu Xinming Zheng Guangliu Ran Hongxiang Li Xinyue Cui Andong Zhang Wenkai Zhang Pei cheng Wenchao Huang Zhishan Bo Beijing Key Laboratory of.Energy Conversion and Storage Materials College of Chemistry Beijing Normal University College of.Textiles and Clothing State Key Laboratory of Bio-fibers and Eco-textiles Qingdao University Key State Laboratory of.Advanced Technology f.r Materials Synthesis and Processing School of Materials Science and EngineeringWuhan University of Technology Department of.Physics and Applied Optics Beijing Area Major Laboratory Center for Advanced Quantum Studies Beijing Normal University State Key Laboratory of.Polymer Materials Engineering College of Polymer Science and Engineering Sichuan University

Understanding the ef.ect of.intermolecular interaction on the growth dynamic of.active layers is critical f.r advancing organic solar cells(OSCs). However, the diverse structure of.donors and acceptors makes the research challenging. Additives with customizable structures and properties could simplif. this complexity. Herein, we meticulously tailor two additives of.3,4-ethylenedioxythiophene(EDOT) and 2,5-dibromo-3,4-ethylenedioxythiophene(DBEDOT), possessing distinct intermolecular interaction f.atures to elaborate the inherent relationship. It is f.und that varied interaction strengths can alter f.lm f.rmation processes. The enhanced intermolecular interaction between the DBEDOT and non-f.llerene acceptor BTP-e C9-4f.results in pre-aggregation and longer crystallization duration of.BTP-e C9-4f. f.cilitating the f.rmation of.0}lms with compact molecular packing and decent phase separation. Thus, exciton dissociation and charge transport become more ef.icient. f.nally, devices processed with DBEDOT exhibit a remarkable power conversion ef.iciency of.19.35% in small-area OSCs and 14.11% in bladecoated 5 cm × 5 cm organic solar mini-modules. Especially, OSCs can maintain 80% of.their initial ef.iciency af.er continuous annealing at 85 °C f.r over 2,100 h.

关键词： organic solar cell non-f.llerene acceptor f.lm growth molecular packing intermolecular interaction

Tailoring Light–Matter Interactions in Overcoupled Resonator f.r Biomolecule Recognition and Detection

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Nano-Micro Letters 2025年第1期17卷 262-280页

作者： Dongxiao Li Hong Zhou Zhihao Ren cheng Xu chengkuo Lee Department of.Electrical and Computer Engineering National University of SingaporeSingapore 117583Singapore Center f.r Intelligent Sensors and MEMS(CISM) National University of SingaporeSingapore 117608Singapore

Plasmonic nanoantennas provide unique opportunities f.r precise control of.light–matter coupling in surf.ce-enhanced inf.ared absorption(SEIRA)spectroscopy,but most of.the resonant systems realized so f.r suf.er f.om the obstacles of.low sensitivity,narrow bandwidth,and asymmetric f.no resonance ***,we demonstrated an overcoupled resonator with a high plasmon-molecule coupling coef.icient(μ)(OC-Hμresonator)by precisely controlling the radiation loss channel,the resonator-oscillator coupling channel,and the f.equency detuning *** observed a strong dependence of.the sensing perf.rmance on the coupling state,and demonstrated that OC-Hμresonator has excellent sensing properties of.ultra-sensitive(7.25%nm^(−1)),ultra-broadband(3–10μm),and immune asymmetric f.no *** characteristics represent a breakthrough in SEIRA technology and lay the f.undation f.r specif.c recognition of.biomolecules,trace detection,and protein secondary structure analysis using a single array(array size is 100×100μm^(2)).In addition,with the assistance of.machine learning,mixture classif.cation,concentration prediction and spectral reconstruction were achieved with the highest accuracy of.100%.f.nally,we demonstrated the potential of.OC-Hμresonator f.r SARS-CoV-2 *** f.ndings will promote the wider application of.SEIRA technology,while providing new ideas f.r other enhanced spectroscopy technologies,quantum photonics and studying light–matter interactions.

关键词： Plasmonic nanoantennas Light-matter interaction Surf.ce-enhanced inf.ared absorption Overcoupled Biosensing

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A Multi-Objective Particle Swarm Optimization Algorithm Based on Decomposition and Multi-Selection Strategy

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Computers, Materials & Continua 2025年第1期82卷 997-1026页

作者： Li Ma Cai Dai Xingsi Xue cheng Peng School of.Computer Science Shaanxi Normal UniversityXi’an710119China f.jian Provincial Key Laboratory of.Big Data Mining and Applications Fujian University of TechnologyFuzhou350118China Inf.rmation Construction and Management Center and Institute of.Artif.cial Intelligence and Educational New Productivity Ningxia Normal UniversityGuyuan756099China

The multi-objective particle swarm optimization algorithm(MOPSO)is widely used to solve multi-objective optimization *** the article,amulti-objective particle swarm optimization algorithmbased on decomposition and multi-selection strategy is proposed to improve the search ***,two update strategies based on decomposition are used to update the evolving population and external archive,***,a multiselection strategy is *** f.rst strategy is f.r the subspace without a non-dominated *** the neighbor particles,the particle with the smallest penalty-based boundary intersection value is selected as the global optimal solution and the particle f.r away f.omthe search particle and the global optimal solution is selected as the personal optimal solution to enhance global *** second strategy is f.r the subspace with a non-dominated *** the neighbor particles,two particles are randomly selected,one as the global optimal solution and the other as the personal optimal solution,to enhance local *** third strategy is f.r Pareto optimal f.ont(Pf.discontinuity,which is identif.ed by the cumulative number of.iterations of.the subspace without non-dominated *** the subsequent iteration,a new probability distribution is used to select f.om the remaining subspaces to ***,an adaptive inertia weight update strategy based on the dominated degree is designed to f.rther improve the search ***,the proposed algorithmis compared with f.vemulti-objective particle swarm optimization algorithms and f.ve multi-objective evolutionary algorithms on 22 test *** results show that the proposed algorithm has better perf.rmance.

关键词： Multi-objective optimization multi-objective particle swarm optimization decomposition multi-selection strategy

lncRNA SNHG4 enhanced gastric cancer progression by modulating miR-409-3p/CREB1 axis

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Oncology Research 2025年第1期33卷 185-198页

作者： ZHOUYANG cheng YUCHEN HUA YANG CAO JUN QIN Department of.General Surgery Affiliated Hospital of Nantong UniversityNantong226001China Department of.Surgery Affiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China Department of.Operation Affiliated Hospital of Nantong UniversityNantong226001China

Objective:Gastric cancer(GC)is a globally common cancer characterized by high incidence and mortality *** in the molecular understanding of.GC provide promising targets f.r GC diagnosis and *** non-coding RNAs(lncRNAs)and their downstream regulators are regarded to be implicated in the progression of.multiple types of.*** have shown that the lncRNA small nucleolar RNA host gene 4(SNHG4)serves as a tumor promoter in various malignancies,while its f.nction in GC has yet to be ***,our study aimed to explore the role and underlying mechanism of.SNHG4 in ***:We used qRT-PCR to analyze SNHG4 expression in GC tissues and ***-Meier analysis was used to assess the correlation between SNHG4 expression and the survival rate of.GC *** f.nction experiments such as CCK-8,BrdU,colony f.rmation,f.ow cytometry analysis,and transwell were perf.rmed to explore the ef.ects of.SNHG4 on GC cell prolif.ration,apoptosis,cell cycle,migration,and *** also established xenograf. mouse models to explore the ef.ect of.SNHG4 on GC tumor ***,dual lucif.rase reporter assay was used to verif. the interaction between SNHG4 and miR-409-3p and between miR-409-3p and cAMP responsive element binding protein 1(CREB1).Results:The results indicated that SNHG4 was overexpressed in GC tissues and cell lines,and was linked with poor survival rate of.GC ***4 promoted GC cell prolif.ration,migration,and invasion while inhibiting cell apoptosis and cell cycle arrest in *** in vivo experiment indicated that SNHG4 f.cilitated GC tumor ***,SNHG4 was demonstrated to bind to ***,CREB1 was directly targeted by *** assays demonstrated that miR-409-3p def.ciency reversed the suppressive impact of.SNHG4 knockdown on GC cell ***,miR-409-3p was also revealed to inhibit GC cell prolif.ration,migration,and invasion by targeting CREB1

关键词： Gastric cancer Small nucleolar RNA host gene 4(SNHG4) MicroRNA-409-3p(miR-409-3p) cAMP responsive element binding protein 1(CREB1)

Resistance of.Cement-based Grouting Materials with Nano- SiO_(2) Emulsion to Chloride Ion Penetration

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Journal of.Wuhan University of.Technology(Materials Science) 2025年第1期40卷 114-119页

作者： LI Shuiping cheng Jian WEI Chao YUAN Bin YU chengxiao College of.Architectural Science and Engineering Yangzhou UniversityYangzhou 225127China

The chloride penetration resistance of.cement-based grout materials was improved by nano-silica *** of.mixtures containing dif.erent nano-silica particles or emulsions were exposed in sodium chloride solutions of.specif.c concentrations with dif.erent test *** properties of.the mixes were assessed in terms of.weight loss and compressive strength.X-ray dif.raction(XRD)and scanning electron microscopy(SEM)of.mixes were perf.rmed to analysis the phase evolution and *** results demonstrated that the introduction of.nano-SiO_(2) emulsion signif.cantly decreased the compressive strength loss and calcium hydroxide(CH)crystal content of.hydration production,and then enhanced the resistance of.cement-based grouting materials to chloride ion *** improvement derives f.om the f.lling and pozzolanic ef.ects of.nano-SiO_(2) particles,which were incorporated via an emulsion and attributed to a well dispersion in grouting matrix.

关键词： grouting materials nano-SiO_(2)emulsion chloride ion penetration,weight loss strength loss

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