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Numerical Study of Cavitating Flows around a Hydrofoil with Deep Analysis of Vorticity Effects

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Fluid Dynamics & Materials Processing 2025年第1期21卷 179-204页

作者： Shande li Wen’an Zhong Shaoxing Yu hao Wang Xichang Satellite Launch Center Wenchang571300China College of Water Resources and Civil Engineering China Agricultural UniversityBeijing100083China

This paper aims to numerically explore the characteristics of unsteady cavitating flow around a NACA0015 hydrofoil,with a focus on vorticity *** simulation utilizes a homogeneous mixture model coupled with a filter-based density correction turbulence model and a modified Zwart cavitation *** study investigates the dynamic cavitation features of the thermal fluid around the hydrofoil at various incoming flow *** systematically elucidates the evolution of cavitation and vortex dynamics corresponding to each velocity *** results indicate that with increasing incoming flow velocity,distinct cavitation processes take place in the flow field.

关键词： Cavitating flow hydrofoil flow velocity vorticity Computational Fluid Dynamics(CFD)

Molecular and cellular mechanisms of photoperiod-and thermo-sensitive genic male sterility in plants

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Molecular Plant 2025年第1期18卷 26-41页

作者： Na Wang Xiang li Jun Zhu Zhong-nan Yang Shanghai Key Laboratory of Plant Molecular Sciences Shanghai Collaborative Innovation Center of Plant Germplasm Resources DevelopmentCollege of Life SciencesShanghai Normal UniversityShanghai 200234China Shanghai Engineering Research Center of Plant Germplasm Resources College of Life SciencesShanghai Normal UniversityShanghai 200234China

Photoperiod-and thermo-sensitive genic male sterile(P/TGMS)lines display male sterility under high-temperature/long-day light conditions and male fertility under low-temperature/short-day light conditions.P/TGMS lines are the fundamental basis for the two-line hybrid breeding,which has notably increased the yield potential and grain quality of rice *** this review,we focus on the research progress on photoperiod-and thermo-sensitive genic male sterility in *** essence of P/TGMS line is their ability to produce viable pollen under varying *** overview the processes involved in anther and pollen development,as well as the molecular,cellular,and genetic mechanisms underlying P/TGMS in Arabidopsis,rice,and other *** development has been identified as a common mechanism of P/TGMS fertility restoration in both Arabidopsis and rice,while reactive oxygen species homeostasis has been implicated in rice P/***,we discuss the prospective applications of P/TGMS and potential solutions to the challenges in this *** review deepens the understanding of the mechanisms underlying P/TGMS and its utilization in two-line hybrid breeding across diverse crops.

关键词： P/TGMS lines pollen cell wall transition slow development ROS homeostasis

Controllably elevating the initial Coulombic efficiency of li3VO4 anode via a facile electrode pre-lithiation technique for lithium-ion batteries

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Science China Chemistry 2025年

作者： haoyue liang Xingguo Zhong Guxin Huang Wenpan liu Yao liu Shuhao Wang Deyu Wang hao liu hao Wang Tianyou Zhai Huiqiao li State Key Laboratory of Materials Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Shenzhen Research Institute of Huazhong University of Science and Technology Key Laboratory of Optoelectronic Chemical Materials and Devices (Ministry of Education) School of Optoelectronic Materials &Technology Jianghan University Centre for Clean Energy Technology Faculty of Science University of Technology Sydney Yichang Brunp Recycling Technology Co. Ltd.

li3VO4has been a promising insertion anode material for li-ion batteries,which has high theoretical capacity (up to～600 mAh g-1) and safe li insertion voltage （0.5–1 V ***/li+）.However,the low initial Coulombic efficiency （ICE） has always been the bottleneck limiting its ***,we propose a facile pre-lithiation method to controllably elevate the ICE by the post-treatment of the prepared li3VO4composite electrode based on an immersion *** this process,the whole electrode was immersed in the liquid li source,via which the ICE of the li3VO4electrode can be controllably elevated from 80%to over 100%within 5 min of *** than the traditional powder treatment for pre-lithiation,this process we proposed minimizes the impact of pre-lithiation on the battery assembly ***,we further investigated the effect of this pre-lithiation process on the functional components in the *** the first time the ICE of li3VO4electrode was elevated to 100%.As a result,the initial reversible capacity of liFePO4||li3VO4full cell was improved from 44.0 to146.3 m Ah g-1,demonstrating the feasibility and great potential of the process.

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The miR3367–lncRNA67–GhCYP724B module regulates male sterility by modulating brassinosteroid biosynthesis and interacting with Aorf27 in Gossypium hirsutum

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Journal of Integrative Plant Biology 2025年第1期67卷 169-190页

作者： Anhui Guo Hushuai Nie Huijing li Bin li Cheng Cheng Kaiyun Jiang Shengwei Zhu nan Zhao Jinping Hua Laboratory of Cotton Genetics Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular BreedingMinistry of Education/Beijing Key Laboratory of Crop Genetic ImprovementCollege of Agronomy and BiotechnologyChina Agricultural UniversityBeijing 100193China Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China

Cytoplasmic male sterile(CMS)lines play a crucial role in utilization of heterosis in crop ***,the mechanism underlying the manipulation of male sterility in cotton by long non-coding RNA(lncRNA)and brassinosteroids(BRs)remains ***,using an integrative approach combining lncRNA transcriptomic profiles with virus-induced gene silencing experiments,we identify a flower budspecific lncRNA in the maintainer line 2074B,lncRNA67,negatively modulating with male sterility in upland cotton(Gossypium hirsutum).lncRNA67positively regulates cytochrome P274B(GhCYP724B),which acted as an eTM(endogenous target mimic)for *** suppression of GhCYP724B induced symptoms of BR deficiency and male semisterility in upland cotton as well as in tobacco,which resulted from a reduction in the endogenous BR ***724B regulates BRs synthesis by interacting with GhDIM and GhCYP90B,two BRs biosynthesis ***,GhCYP724B suppressed a unique chimeric open reading frame(Aorf27)in 2074A mitochondrial *** expression of Aorf27 in yeast inhibited cellular growth,and over expression of Aorf27 in tobacco showed male ***,the results proved that the miR3367–lncRNA67–GhCYP724B module positively regulates male sterility by modulating BRs *** findings uncovered the function of lncRNA67–GhCYP724B in male sterility,providing a new mechanism for understanding male sterility in upland cotton.

关键词： brassinosteroids GhCYP724B lncRNA67 male sterility mitochondrial Aorf27 upland cotton(G.hirsutum)

A nanocomposite film with layer-by-layer self-assembled gold nanospheres driven by cucurbit[7]uril for the selective transport of l-tryptophan and lysozyme

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Chinese Chemical Letters 2025年第1期36卷 258-261页

作者： hao Zhang haonan Qu Ehsan Bahojb Noruzi Haibing li Feng liang The State Key Laboratory of Refractories and Metallurgy School of Chemistry and Chemical EngineeringWuhan University of Science and TechnologyWuhan 430081China National Key Laboratory of Green Pesticide College of ChemistryCentral China Normal UniversityWuhan 430079China School of Environmental and Chemical Engineering Jiangsu Ocean UniversityLianyungang 222005China

Selective separation of amino acids and proteins is crucial in various areas of research,including proteomics,protein structure and function studies,protein purification and drug development,and biosensing and biodetection.A nanocomposite film is formed by combining layer-by-layer self-assembled gold nanospheres(Au NPs)driven by cucurbit[7]uril(CB[7])and polymethyl methacrylate(PMMA)*** to the host-guest interactions,the selective transmission of l-tryptophan in the nanocomposite film is confirmed by the current-voltage measurements using a ***,by adjusting the particle size of Au NPs to increase channel size,lysozyme containing multiple tryptophan residues can selectively pass through the nanocomposite film,indicating the high versatility and adaptability of the nanocomposite *** study will provide a new direction for the selective separation of amino acids and proteins.

关键词： nanocomposite film Cucurbituril Gold nanospheres Host-guest interactions Selective transmission

Retrospective analysis of factors influencing the self-healing of patients with enterocutaneous fistulas receiving conservative treatment

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World Journal of Gastrointestinal Oncology 2025年第3期17卷 104-112页

作者： Zhuo-nan Zhuang Rui Zhao Yuan-Xin li Department of Gastrointestinal Beijing Tsinghua Changgung HospitalSchool of Clinical MedicineTsinghua UniversityBeijing 102218China Department of General Surgery Qilu Hospital of Shandong UniversityJinan 250012Shandong ProvinceChina

BACKGROUND Enterocutaneous(EC)fistula incidence has been increasing in China,along with increases in the volume and complexity of *** conservative treatment strategy has been analyzed to improve the treatment outcomes for patients with EC fistulas and reduce the need for *** To analyze the clinical data of patients undergoing conservative treatment for EC fistulas and identify the factors that promote *** findings provide a reference for improving the clinical cure rate of EC fistulas with conservative *** The clinical data of 91 patients with EC fistulas who underwent conservative treatment were *** relationships between the cure rate and characteristics such as age,sex,body mass index,albumin level,primary disease,cause of the fistula,location of the fistula,number of fistulas,nature of the fistula,infection status,diagnostic methods,nutritional support methods,somatostatin therapy,growth hormone therapy,and fibrin glue therapy were *** A comparison of the basic patient characteristics between the two groups revealed statistically significant differences in primary disease(P=0.044),location of the fistula(P=0.006),number of fistulas(P=0.007),and use of adhesive sealing(χ2=12.194,P<0.001)between the uncured and cured *** use of fibrin glue was a significant factor associated with a cure for fistulas(odds ratio=5.459,95%CI:1.958-15.219,P=0.01).CONCLUSION The cure rate of patients with a single EC fistula can be effectively improved via conservative treatment combined with the use of biological fibrin glue to seal the fistula.

关键词： Enterocutaneous fistula Conservative treatment Fibrin glue Fistula sealing Cure rate

Electromagnetic wave absorption and corrosion resistance performance of carbon nanoclusters/Ce-Mn codoped barium ferrite composite materials

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International Journal of Minerals,Metallurgy and Materials 2025年第3期32卷 699-709页

作者： Bo li lin Ma Sinan li Jiewu Cui Xiaohui liang Wei Sun Pengjie Zhang nan Huang Song Ma Zhidong Zhang Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of Materials Science and Engineering University of Science and Technology of ChinaShenyang 110016China School of Metallurgy Engineering Liaoning Institute of Science and TechnologyBenxi 117004China School of Materials Science and Engineering Hefei University of TechnologyHefei 230009China Institute of Microelectronics Hangzhou Dianzi UniversityHangzhou 310018China BGRIMM Magnetic Materials&Technology Co. Ltd.Beijing 100160China

To realize the application of electromagnetic wave absorption(EWA)devices in humid marine environments,bifunctional EWA materials with better EWA capacities and anticorrosion properties have great exploration significance and systematic research *** utilizing the low-cost and excellent magnetic and stable chemical characteristics of barium ferrite(BaFe_(12)O_(19))and using the high dielectric loss and excellent chemical inertia of nanocarbon clusters,a new type of nanocomposites with carbon nanoclusters en-capsulating BaFe_(12)O_(19)was designed and synthesized by combining an impregnation method and a high-temperature calcination ***,Ce-Mn ions were introduced into the BaFe_(12)O_(19)lattice to improve the dielectric and magnetic properties of BaFe_(12)O_(19)cores significantly,and the energy band structure of the doped lattice and the orders of Ce replacing Fe sites were *** from Ce-Mn ion doping and carbon nanocluster encapsulation,the composite material exhibited excellent dual functionality of corrosion resist-ance and *** BaCe_(0.2)Mn_(0.3)Fe_(11.5)O_(19)-C(BCM-C)was calcined at 600°C,the minimum reflection loss of-20.1 dB was achieved at 14.43 *** Ku band’s effective absorption bandwidth of 4.25 GHz was achieved at an absorber thickness of only 1.3 *** BCM-C/polydimethylsiloxane coating had excellent corrosion resistance in the simulated marine environment(3.5wt%NaCl solution).The|Z|0.01Hz value of BCM-C remained at 106Ω·cm^(2)after 12 soaking *** successful preparation of the BaFe_(12)O_(19)composite en-capsulated with carbon nanoclusters provides new insights into the preparation of multifunctional absorbent materials and the fabrication of absorbent devices applied in humid marine environments in the future.

关键词： electromagnetic wave absorption anticorrosion barium ferrite cerium and manganese doping carbon nanoclusters

Utilizing bivalent aptamers as first DNA agonist to activate RTKs heterodimer of different families

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Chinese Chemical Letters 2025年第1期36卷 474-477页

作者： Kun liu Yulin Cong Xiongfeng Luo Meicun Yao Zhiyong Xie hao li School of Pharmaceutical Sciences(Shenzhen) Shenzhen Campus of Sun Yat-sen UniversityShenzhen 518107China

Heterodimerization in RTKs is of vital importance in the RTK signaling and cell *** between RTKs can result in diversity of downstream signals,increasing the ability of cells to respond to external *** RTKs heterodimerization always occur in the same families and is lack of agonists to activate the heterodimeric RTKs signaling ***,we developed the DNA agonist based on bivalent aptamers for the heterodimerized RTKs of different families,AF/AM-1,which could simultaneously activate FGFR1 and c-Met *** is the first agonist that realizing the heterodimerization and activation of FGFR1 and c-Met,two different RTK *** activation of FGFR1/c-Met heterodimer result in the down-stream signals transduction,such as the phosphorylation of Akt and Erk,inducing the cell migration and *** DNA agonist for RTK heterodimer of different families would have potential applications in the fields of biomedicine.

关键词： DNA Agonist Bivalent aptamers RTKs heterodimer

Deciphering Water Oxidation Catalysts:The Dominant Role of Surface Chemistry over Reconstruction Degree in Activity Promotion

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nano-Micro Letters 2025年第3期17卷 340-354页

作者： li An Jianyi li Yuanmiao Sun Jiamin Zhu Justin Zhu Yeow Seow Hong Zhang nan Zhang Pinxian Xi Zhichuan J.Xu Chun‑Hua Yan State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu ProvinceFrontiers Science Center for Rare IsotopesCollege of Chemistry and Chemical EngineeringLanzhou UniversityLanzhou 730000People’s Republic of China School of Materials Science and Engineering Nanyang Technological UniversitySingapore 639798Singapore Faculty of Materials Science and Energy Engineering Institute of Technology for Carbon NeutralityShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055People’s Republic of China Key Laboratory of Electromagnetic Materials and Devices National Center for International Research On Photoelectric and Energy MaterialsSchool of Materials and EnergyElectron Microscopy CenterYunnan UniversityKunming 650091People’s Republic of China State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization Baotou Research Institute of Rare EarthsBaotou 014030People’s Republic of China Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and ApplicationsPKU‑HKU Joint Laboratory in Rare Earth Materials and Bioinorganic ChemistryPeking UniversityBeijing 100871People’s Republic of China

Water splitting hinges crucially on the availability of electrocatalysts for the oxygen evolution *** surface reconstruction has been widely observed in perovskite catalysts,and the reconstruction degree has been often correlated with the activity ***,a systematic study on the roles of Fe substitution in activation of perovskite LaNiO_(3)is *** substituting Fe content influences both current change tendency and surface reconstruction ***_(0.9)Fe_(0.1)O_(3)is found exhibiting a volcano-peak intrinsic activity in both pristine and reconstructed among all substituted perovskites in the LaNi_(1-x)Fe_(x)O_(3)(x=0.00,0.10,0.25,0.50,0.75,1.00)*** reconstructed LaNi_(0.9)Fe_(0.1)O_(3)shows a higher intrinsic activity than most reported NiFe-based ***,density functional theory calculations reveal that Fe substitution can lower the O 2p level,which thus stabilize lattice oxygen in LaNi0.9Fe0.1O3 and ensure its long-term ***,it is vital interesting that activity of the reconstructed catalysts relied more on the surface chemistry rather than the reconstruction *** effect of Fe on the degree of surface reconstruction of the perovskite is decoupled from that on its activity enhancement after surface *** finding showcases the importance to customize the surface chemistry of reconstructed catalysts for water oxidation.

关键词： Oxygen evolution reaction Perovskite oxides Doping Activation and reconstruction