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Fuzzy multi-criteria decision-making approach with incomplete information based on evidential reasoning

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Journal of Systems Engineering and Electronics 2010年第4期21卷 604-608页

作者： JianqiangWang hongyu zhang Zhong zhang School of Business Central South University Changsha 410083 P. R. China

The weights of criteria are incompletely known and the criteria values are incomplete and uncertain or even default in some fuzzy multi-criteria decision-making *** those problems,an approach based on evidential reasoning is proposed,in which the criteria values are integrated on the basis of analytical algorithm of evidential reasoning,and then nonlinear programming models of each alternative are developed with the incomplete information on *** genetic algorithm is employed to solve the models,producing the weights and the utility interval of each alternative,and the ranking of the whole set of alternatives can be ***,an example shows the effectiveness of the method.

关键词： fuzzy multi-criteria decision-making evidential reasoning incomplete information trapezoidal fuzzy numbers.

Semi-interpenetrating network anion exchange membranes based on quaternized polyvinyl alcohol/poly(diallyldimethylammonium chloride)

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Green Energy & Environment 2021年第5期6卷 743-750页

作者： Xinming Du hongyu zhang Yongjiang Yuan Zhe Wang College of Chemical Engineering Changchun University of TechnologyChina School of Materials Science and Engineering Changchun University of TechnologyChina Advanced Institute of Materials Science Changchun University of TechnologyChangchun130012China

The semi-interpenetrating network anion exchange membranes(AEMs)based on quaternized polyvinyl alcohol(QPVA)and poly(-diallyldimethylammonium chloride)(PDDA)are *** chemical cross-linking structure is formed between hydroxyl groups of QPVA and aldehyde groups of glutaraldehyde(GA),which makes PDDA more stable embed in the QPVA matrix and also improves the mechanical properties and dimensional stability of *** to the phase separation phenomenon of AEMs swelling in water,a microporous structure may be formed in the membrane,which reduces the transmission resistance of hydroxide ions and provides a larger space for the transfer of hydroxide ions,thus improving the *** ring structure of PDDA is introduced as a cationic group to transfer hydroxide ions,and shields the nucleophilic attack of the hydroxide ions through the steric hindrance effect,which improves alkaline *** hydroxide conductivity of semi-interpenetrating network membrane(QPVA/PDDA0.5-GA)is 36.5 mS cm^(-1) at 60℃.And the membrane of QPVA/PDDA0.5-GA exhibits excellent mechanical property with maximum tensile strength of 19.6 *** immersing into hot 3 mol L^(-1) NaOH solutions at 60℃ for 300 h,the OHconductivity remains 78%of its initial *** semi-interpenetrating network AEMs with microporous structure exhibit good ionic conductivity,mechanical strength and alkaline durability.

关键词： Anion exchange membrane Semi-interpenetrating network Cross-linked Microporous structure

Imprinting in Plants and Its Underlying Mechanisms

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Journal of Genetics and Genomics 2013年第5期40卷 239-247页

作者： hongyu zhang Abed Chaudhury Xianjun Wu Rice Research Institute of Sichuan Agricultural University P.O.and Village Hazipur Dt.MoulvibazarBangladesh

Genomic imprinting（or imprinting） refers to an epigenetic phenomenon by which the allelic expression of a gene depends on the parent of *** has evolved independently in placental mammals and flowering *** plants,imprinting is mainly found in endosperm. Recent genome-wide surveys in Arabidopsis,rice,and maize identified hundreds of imprinted genes in *** these genes are of diverse functions,endosperm development is regulated at different regulatory *** imprinted expression of only a few genes is conserved between Arabidopsis and monocots,suggesting that imprinting evolved quickly during *** Arabidopsis,DEMETER （DME） mediates hypomethylation in the maternal genome at numerous loci（mainly transposons and repeats） in the central cell and results in many differentially methylated regions between parental genomes in the endosperm,and subsequent imprinted expression of some *** addition,histone modification mediated by Polycomb group（PcG） proteins is also involved in regulating ***-induced hypomethylated alleles in the central cell are considered to produce small interfering RNAs（siRNAs） which are imported to the egg to reinforce DNA *** parallel,the activity of DME in the vegetative cell of the male gametophyte demethylates many regions which overlap with the demethylated regions in the central *** from the demethylated regions are hypothesized to be also transferred into sperm to reinforce DNA *** is partly the result of genome-wide epigenetic reprogramming in the central cell and vegetative cell and evolved under different selective pressures.

关键词： DNA methylation Imprinting Polycomb group Endosperm Small RNA

Phase transformation and microstructure control of Ti_(2)AlNb-based alloys: A review

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Journal of Materials Science & Technology 2021年第21期80卷 203-216页

作者： hongyu zhang Na Yan Hongyan Liang Yongchang Liu State Key Lab of Hydraulic Engineering Simulation and Safety School of Materials Science&EngineeringTianjin UniversityTianjin300354China School of Physical Science and Technology Northwestern Polytechnical UniversityXi’anShanxi 710072China

In recent years,the Ti_(2) AlNb-based alloys are selected as potential alloys for elevated tempe rature applications to replace conventional Ni-based superalloys owing to their good creep resistance and oxidation resistance which are related to the O *** this paper,the precipitation mecha nisms of O phase,phase transformation and microstructure control of Ti_(2) AlNb-based alloys are ***_(2) AlNb-based alloys generally consist of B2/β,α_(2),and O phase with different morphologies which are derived from the various heat treatment processes,including equiaxed α_(2)/O particles,bimodal microstructure,and Widmannstatten B2/β+O structures *** a newly developed strengthening phase,O precipitates can be precipitated from the B2/β matrix or α_(2) phase directly as well as generated by means of peritectoid reaction of α_(2) phase and bcc *** control of the Ti_(2) AlNb-based alloys can be implemented by refining the original B2/β grain size and regulating the O *** isothermal forging(MIF) and powder metallurgy technique are two effective methods to refine the original B2/βgrains and the morphology and size of O precipitates can be regulated by adding alloying components and pre-deformation ***,the phase diagram as well as coarsening behavior of Ti_(2) AlNbbased alloys in ageing process is also *** the further application of these alloys,more emphasis should be paid on the deep interpolation of microstructure-property relationship and the adoption of advanced manufacturing technology.

关键词： Ti_(2)AlNb-based alloys Microstructure O precipitates Deformation

Developer recommendation on bug commenting:a ranking approach for the developer crowd

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Science China(Information Sciences) 2017年第7期60卷 159-176页

作者： Jifeng XUAN He JIANG hongyu zhang Zhilei REN State Key Laboratory of Software Engineering School of Computer Wuhan University School of Software Dalian University of Technology Microsoft Research Asia School of Electrical Engineering and Computer Science The University of Newcastle

A bug tracking system provides a collaborative platform for the developer crowd. After a bug report is submitted, developers can make comments to supplement the details of the bug report. Due to the large number of developers and bug reports, it is hard to determine which developer(also called commenter) is able to comment on a particular bug report. We refer to the problem of recommending developers for commenting on bug reports as commenter recommendation. In this paper, we perform an empirical analysis on commenter recommendation based on five-year bug reports of four open source projects. First, we preliminarily analyze bug comments and commenters in three categories, the relationship between commenters and fixers, the data scale of comments, and the collaboration on bug commenting. Second, we design a recommendation approach via ranking developers in the crowd to reduce the manual effort of identifying commenters. In this approach,we formulize the commenter recommendation problem as a multi-label recommendation task and leverage both developer collaboration and bug content to find out appropriate commenters. Experimental results show that our approach can effectively recommend commenters; 41% to 75% of the recall value is achieved for top-10 recommendation. Our empirical analysis on bug commenting can help developers understand and improve the process of fixing bugs.

关键词： developer recommendation bug comments empirical analysis recommendation for the crowd collaborative filtering software repositories

A Comparison in Laser Precision Drilling of Stainless Steel 304 with Nanosecond and Picosecond Laser Pulses

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Chinese Journal of Mechanical Engineering 2014年第5期27卷 972-977页

作者： zhang hongyu DI Jianke ZHOU Ming YAN Yu State Key Laboratory of Tribology Tsinghua University Center for Photon Manufacturing Science and Technology Jiangsu University Corrosion and Protection Center Beijing University of Science and Technology

Precision drilling with picosecond laser has been advocated to significantly improve the quality of micro-holes with reduced recast layer thickness and almost no heat affected ***,a detailed comparison between nanosecond and picosecond laser drilling techniques has rarely been reported in previous *** the present study,a series of micro-holes are manufactured on stainless steel 304 using a nanosecond and a picosecond laser drilling system,*** quality of the micro-holes,e.g.,recast layer,micro-crack,circularity,and conicity,etc,is evaluated by employing an optical microscope,an optical interferometer,and a scanning electron ***,the micro-structure of the samples between the edges of the micro-holes and the parent material is compared following etching *** researching results show that a great amount of spattering material accumulated at the entrance ends of the nanosecond laser drilled *** formation of a recast layer with a thickness of;5μm is detected on the side walls,associated with initiation of *** phenomenon is also observed and the circularity of the micro-holes is rather *** regard to the micro-holes drilled by picosecond laser,the entrance ends,the exit ends,and the side walls are quite smooth without accumulation of spattering material,formation of recast layer and *** circularity of the micro-holes is fairly good without observation of tapering ***,there is no obvious difference as for the micro-structure between the edges of the micro-holes and the parent *** study proposes a picosecond laser helical drilling technique which can be used for effective manufacturing of high quality micro-holes.

关键词： laser drilling nanosecond laser picosecond laser helical drilling recast layer

Integrated analysis of miRNA and mRNA expression profiles in response to gut microbiota depletion in the abdomens of female Bactrocera dorsalis

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Insect Science 2023年第2期30卷 443-458页

作者： JunfeiXie Zhaohui Cai Wenping Zheng hongyu zhang Key Laboratory of Horticultural Plant Biology(MOE) Hubei Hongshan LaboratoryChina-Australia Joint Research Centre for Horticultural and Urban PestsInstitute of Urban and Horticultural EntomologyCollege of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan430070China

Insect gut microbiota has been reported to participate in regulating host multiple biological processes including metabolism and ***,the corresponding molecular mechanisms remain largely *** studies suggest that microRNAs(miRNAs)are involved in complex interactions between the gut microbiota and the ***,we used next-generation sequencing technology to characterize miRNA and mRNA expression profiles and construct the miRNA–gene regulatory network in response to gut microbiota depletion in the abdomens of female Bactrocera dorsalis.A total of 3016 differentially expressed genes(DEGs)and 18 differentially expressed miRNAs(DEMs)were *** on the integrated analysis of miRNA and mRNA sequencing data,229 negatively correlated miRNA-gene pairs were identified from the miRNA-mRNA *** ontology enrichment analysis indicated that DEMs could target several genes involved in the metabolic process,oxidation-reduction process,oogenesis,and insulin signaling ***,real-time quantitative polymerase chain reaction further verified the accuracy of RNA sequencing *** conclusion,our study provides the profiles of miRNA and mRNA expressions under antibiotics treatment and provides an insight into the roles of miRNAs and their target genes in the interaction between the gut microbiota and its host.

关键词： Bactrocera dorsalis gut microbiota microRNA-mRNA regulatory pathways

Amplified spontaneous emission, optical waveguide and polarized emission based on 2,5-diaminoterephthalates

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Chinese Chemical Letters 2017年第11期28卷 2129-2132页

作者： Baolei Tang Zuolun zhang Huapeng Liu hongyu zhang State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University. Changchun 130012 China

A series of 2,5-diaminoterephthalates with a simple structure were synthesized through one-step reaction, and their bar-shaped single crystals with a large size and a smooth surface have been obtained via the solvent-evaporation method. These crystals exhibit bright emission with fluorescence quantum yields higher than 0.2. They display the waveguide property, and low optical loss coefficients for waveguide have been determined for the crystal of one compound. In addition, the crystal can cause linear polarization of the light emitted from it, with a high polarization contrast of 0.70. Most importantly, these crystals can realize amplified spontaneous emission （ASE）, including the red ASE, with appreciable energy thresholds of 72-198 kW/cm^2 and high gain coefficients, which suggests the potential of these crystals for the application in organic solid-state lasers.

关键词： 2 5-Diaminoterephthalates Waveguide Polarization Amplified spontaneous emission Laser

Recent developments in functional organic polymer coatings for biomedical applications in implanted devices

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Friction 2024年第11期12卷 2399-2440,F0004页

作者： Yinuo YANG Yiran JIA Yanran ZHAO Haimang WANG hongyu zhang State Key Laboratory of Tribology in Advanced Equipment Department of Mechanical EngineeringTsinghua UniversityBeijing 100084China

Organic polymer coatings have been commonly used in biomedical field,which play an important role in achieving biological antifouling,drug delivery,and *** the continuous development of polymer science,organic polymer coatings can be designed with complex and advanced functions,which is conducive to the construction of biomedical materials with different *** to different physical and chemical properties of materials,biomedical organic polymer coating materials are classified into zwitterionic polymers,non-ionic polymers,and *** strategies of combining coatings with substrates include physical adsorption,chemical grafting,and *** the coating materials and construction methods are different,many biomedical polymer coatings have been developed to achieve excellent performances,i.e.,enhanced lubrication,anti-inflammation,antifouling,antibacterial,drug release,anti-encrustation,anti-thrombosis,***,a large number of biomedical polymer coatings have been used in artificial lungs,ureteral stent,vascular flow diverter,and artificial *** this review,we summarize different types,properties,construction methods,biological functions,and clinical applications of biomedical organic polymer coatings,and prospect future direction for development of organic polymer coatings in biomedical *** is anticipated that this review can be useful for the design and synthesis of functional organic polymer coatings with various biomedical purposes.

关键词： organic polymer coating implanted biomedical device surface grafting method biological performance clinical application