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Nutrient stress-primed microbial communities improve plant resilience

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Science Bulletin 2024年第20期69卷 3180-3183页

作者： Xiaocheng Yu hongyan zhu Department of Plant and Soil Sciences University of KentuckyLexington KY 40546USA

Plants live in close association with microbial communities that comprise a diverse array of bacteria,fungi,and *** microorganisms thrive in various niches within and around plants,including the rhizosphere(the zone of soil surrounding a plant root),phyllosphere(above-ground plant surfaces),and endosphere(interior of plant tissues).

关键词： soil Nutrient rhizosphere

Multi-objective optimization design of airfoil and wing

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Science China(Technological Sciences) 2004年第1期47卷 15-25页

作者： zhu Ziqiang FU hongyan YU Rixin LIU Jie Beijing University of Aeronautics and Astronautics Beijing 100083China Beijing University of Aeronautics and Astronautics Beijing 100083China Beijing University of Aeronautics and Astronautics Beijing 100083China Beijing University of Aeronautics and Astronautics Beijing 100083China

To extend available monoobjective optimization methods to multiobjective and multidisciplinary optimization, the construction of a suitable resultant objective function (in deterministic method-DM) or a fitness function (in genetic algorithm-GA) is important. An objective function combination method (OFCM) of constructing such a function for constrained optimization problems is suggested. How to use both deterministic and genetic algorithms to biobjetive and bidisciplinary optimal design of high performance airfoils and wings is discussed. Numerical results in both 2D (airfoil) and 3D (wing) cases show that the present method can be used to optimaize different kinds of initial airfoils and wings. The performance of optimized shape is improved significantly. The method is successful and effective.

关键词： multiobjective optimization, genetic algorithm, deterministic optimization method.

Comparison of two design methods of aerodynamic biobjectives for airfoil and wing shapes

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Science China(Technological Sciences) 2004年第2期47卷 203-215页

作者： zhu Ziqiang FU hongyan LIU Hang WANG Xiaolu Beijing University of Aeronautics and Astronautics Beijing 100083 China Beijing University of Aeronautics and Astronautics Beijing 100083 China Beijing University of Aeronautics and Astronautics Beijing 100083 China Beijing University of Aeronautics and Astronautics Beijing 100083 China

A simplified adaptive wing, which deflects its leading edge and trailing edge flaps to vary its shape, is calculated to investigate the potential aerodynamic gains and compared with a biobjective optimization (BO) wing in the present paper. In subsonic-transonic flights the deflection angle of a flap is determined through optimization using a deterministic method. In supersonic flight the flaps are not deflected due to the requirement of having a minimum drag. For comparison the aerodynamic characteristics of a BO airfoil and wing is calculated. A parallel genetic algorithm is used in BO. Euler equations served as governing equations in flow field calculation. Numerical results in both 2D (airfoil) and 3D (wing) cases show that aerodynamic performances of the two design airfoils and wings are much better than those of the original ones, with the adaptive design one the best. Keywords simplified adaptive wing - biobjective optimization - airfoil and wing design

关键词： simplified adaptive wing, biobjective optimization, airfoil and wing design.

Influence of Voids on the Tensile Performance of Carbon/epoxy Fabric Laminates

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Journal of Materials Science & Technology 2011年第1期27卷 69-73页

作者： hongyan zhu Baochang Wu Dihong Li Dongxing Zhang Yuyong Chen School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China Harbin Aircraft Industry Co. Ltd.Harbin 150060China

This paper aims at investigating the effect of voids on the tensile properties of [（±45）4/（0,90）/（±45）2] S and [（±45）/0 4/（±45）（0,90）] S *** with void contents in the range of 0.4% to 9.0% were fabricated from carbon/epoxy *** void content was determined by ultrasonic attenuation and optical image analysis,and microscopic inspection was also used to analyze the shape and size of the *** influence of voids on the tensile strength and modulus of both stacking sequence is compared in terms of the size and the shape of the *** effect of voids on the initiation and propagation of tensile failure of both stacking sequence composite was investigated.

关键词： Composite Void Tensile strength

Epigenetic Regulation of a Powdery Mildew Resistance Gene in Medicago truncatula

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Molecular Plant 2013年第6期6卷 2000-2003页

作者： Shengming Yang Fang Tang Eveline Teixeira Caixeta hongyan zhu Department of Plant and Soil Sciences University of KentuckyLexingtonKY 40546USA Instituto de Biotecnologia Aplicada a Agropecuária Universidade Federal de VicosaVicosaMGBrazil

Dear Editor, Medicago truncatula is a model legume that is conge- neric with alfalfa （Medicago sativa）, a forage crop of global importance. Over the last decade, tremendous genetic and genomic tools have been developed for this model system, which has greatly facilitated the study of various aspects of legume genomics and biology. From an applied perspective, genomic information gained from M. truncatula is particu- larly useful for genetic improvement of cultivated alfalfa, a crop that is not amenable to genetic analysis because of its allogamous and autotetraploid nature （Yang et al., 2008）. For instance, M. truncatula can be used to clone the orthologs of many economically important genes in alfalfa,

关键词： Anti powdery mildew gene Alfalfa Genetic regulation

Identification of natural compounds targeting Annexin A2 with an anti-cancer effect

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Protein & Cell 2018年第6期9卷 568-579页

作者： Yu-Shi Wang He Li Yang Li hongyan zhu Ying-Hua Jin Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education College of Life Science Jilin University Changchun 130012 China

Annexin A2, a multifunctional tumor associated protein, promotes nuclear factor-kappa B （NF-κB） activation by interacting with NF-κB p50 subunit and facilitating its nuclear translocation. Here we demonstrated that two ginsenosides Rg5 （G-Rg5） and Rkl （G-Rkl）, with similar structure, directly bound to Annexin A2 by molecular docking and cellular thermal shift assay. Both Rg5 and Rkl inhibited the interaction between Annexin A2 and NF-κB p50 subunit, their translocation to nuclear and NF-κB activation. Inhibition of NF-κB by these two gin- senosides decreased the expression of inhibitor of apoptosis proteins （lAPs）, leading to caspase activation and apoptosis. Over expression of K302A Annexin A2, a mutant version of Annexin A2, which fails to interact with G-Rg5 and G-Rkl, effectively reduced the NF-κB inhibitory effect and apoptosis induced by G-Rg5 and G-Rkl. In addition, the knockdown of Annexin A2 largely enhanced NF-κB activation and apoptosis induced by the two molecules, indicating that the effects of G-Rg5 and G-Rkl on NF-κB were mainly mediated by Annexin A2. Taken together, this study for the first time demon- strated that G-Rg5 and G-Rkl inhibit tumor cell growth by targeting Annexin A2 and NF-κB pathway, and G-Rg5 and G-Rkl might be promising natural compounds for targeted cancer therapy.

关键词： Annexin A2 G-Rg5 G-Rkl HCC NF-κB

ACOUSTIC SOURCE TRACKING USING MULTIPLE WEIGHTED PEAKS OF THE LOCALIZATION FUNCTION 36

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ACOUSTIC SOURCE TRACKING USING MULTIPLE WEIGHTED PEAKS OF TH...

A transferrin receptor targeting dual-modal MR/NIR fluorescent imaging probe for glioblastoma diagnosis

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作者： Gaowei Yang Qi Cheng Yao Guo hongyan zhu School of Electronic & Information Engineering Xi'an Jiaotong University School of Electrical and Computer Engineering Oklahoma State University

ISBN: (纸本)9781538629185

In the presence of strong noise or reverberation,the acoustic source localization and tracking problem is confronted with severe *** of them is that the maximal peak of the localization function may not be generated by the real *** this paper,the stochastic region contraction（SRC） is adopted to search for multiple peaks of the localization function rather than the maximal one only,so as to provide sufficient pseudo-measurement information.A mixed distribution model is used to describe the pseudo-measurement likelihood function within the particle filter framework,where the mixing weight is evaluated based on the idea of probability data association（PDA） by incorporating the dynamic information of the sound *** results demonstrate that the proposed approach can effectively improve the ability of anti-noise and anti-reverberation of the acoustic target tracking system.

关键词： Stochastic region contraction particle filter localization function probability data association

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Regenerative Biomaterials 2024年第3期3卷 122-133页

作者： Jiaqi Hao Huawei Cai Lei Gu Yiqi Ma Yan Li Beibei Liu hongyan zhu Fanxin Zeng Min Wu Department of Radiology and Huaxi MR Research Center(HMRRC) Functional and Molecular Imaging Key Laboratory of Sichuan ProvinceWest China HospitalSichuan UniversityChengduSichuan 610041China Research Unit of Psychoradiology Chinese Academy of Medical SciencesChengduSichuan 610041China Department of Nuclear Medicine&Laboratory of Clinical Nuclear Medicine West China HospitalSichuan UniversityChengduSichuan 610041China State Key Laboratory of Biotherapy West China HospitalSichuan UniversityChengduSichuan 610041China Department of Clinical Research Center Dazhou Central HospitalDazhouSichuan 635000China

The prognosis of glioblastoma(GBM)remains challenging,primarily due to the lack of a precise,effective imaging technique for comprehensively *** GBM diagnostic challenges,our study introduces an innovative dual-modal imaging that merges near-infrared(NIR)fluorescent imaging with magnetic resonance imaging(MR).This method employs superparamagnetic iron oxide nanoparticies coated with NIR fluorescent dyes,specifically Cyanine 7,and targeted *** synthetic probe facilitates MRI functionality through superparamagnetic iron oxide nanoparticles,provides NIR imaging capability via Cyanine 7 and enhances tumor targeting trough peptide interactions,offering a comprehensive diagnostic tool for ***,the probe traverses the blood-brain barrier,targeting GBM in vivo via peptides,producing clear and discermible images in both *** and histopathology assessments confirm the probe's favorable safet *** findings suggest that the dual-modal MRINIR fluorescent imaging probe could revolutionize GBM prognosis and survival rate which can also be extended to other tumors type.

关键词： glioblastoma magnetic resonance imaging dual-modal probes near-infrared fluorescent targeting peptides

Study on the Application Effect of Flexible Nursing Care in Patients with Postpartum Urinary Retention and its Effect on Lactation

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Journal of Clinical and Nursing Research 2024年第4期8卷 122-127页

作者： hongyan zhu Jingzhou Maternal and Child Health Center Jingzhou 434020Hubei ProvinceChina

Objective: To study the application effect of flexible nursing in patients with postpartum urinary retention and its effect on lactation. Methods: A total of 200 cases of postpartum urinary retention patients admitted between January 2021 and January 2022 were selected and randomly grouped into two groups, a control group (conventional nursing) and an observation group (flexible nursing), of 100 cases each. The time of onset of lactation, the lactation volume score, urinary indicators, the amount of post-partum hemorrhage, and the quality of life score of the two groups were compared. Results: The observation group’s lactation initiation time (21.41 ± 1.52) h and lactation volume score (2.11 ± 0.52) were better than that of the control group (P < 0.05). The observation group’s first urination time (2.11 ± 0.51) min was lower than the control group, while the urinary retention completely relieved time (33.12 ± 8.61) h, and first urinary volume (262.17 ± 52.41) mL was higher than that of the control group (P < 0.05). The amount of postpartum hemorrhage in the observation group (151.21 ± 22.12) mL was less than that in the control group (P < 0.05). The scores of somatic functioning (86.25 ± 2.20), psychological functioning (91.56 ± 1.45), social functioning (89.25 ± 2.45), and material life (89.75 ± 1.45) of the observation group were higher than those of the control group after nursing (P < 0.05). Conclusion: Flexible nursing care in patients with postpartum urinary retention exhibited significant nursing effects and lactation function was effectively improved.

关键词： Flexible nursing Postpartum urinary retention Lactation