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A NEW GLOBAL OPTIMIZATION ALGORITHM FOR MIXED-INTEGER QUADRATICALLY CONSTRAINED QUADRATIC FRACTIONAL PROGRAMMING PROBLEM

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Journal of Computational Mathematics 2024年第3期42卷 784-813页

作者： Bo Zhang Yuelin Gao Xia Liu xiaoli huang School of Civil and Hydraulic Engineering School of Mathematics and StatisticsNingxia UniversityYinchuan 750021China School of Mathematics and Information Science North Minzu UniversityYinchuan 750021China Ningxia Province Key Laboratory of Intelligent Information and Data Processing Yinchuan 750021China School of Mathematics and Statistics Ningxia UniversityYinchuan 750021China

The mixed-integer quadratically constrained quadratic fractional programming(MIQCQFP)problem often appears in various fields such as engineering practice,management science and network ***,most of the solutions to such problems are often designed for their unique *** paper puts forward a new global optimization algorithm for solving the problem *** first convert the MIQCQFP into an equivalent generalized bilinear fractional programming(EIGBFP)problem with integer ***,we linearly underestimate and linearly overestimate the quadratic functions in the numerator and the denominator respectively,and then give a linear fractional relaxation technique for EIGBFP on the basis of non-negative *** that,combining rectangular adjustment-segmentation technique and midpointsampling strategy with the branch-and-bound procedure,an efficient algorithm for solving MIQCQFP globally is ***,a series of test problems are given to illustrate the effectiveness,feasibility and other performance of this algorithm.

关键词： Global optimization Branch and bound Quadratic fractional programming Mixed integer programming

Macrocyclic compound as ionophores in lead(Ⅱ) ion-selective electrodes with excellent response characteristics

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Chinese Science Bulletin 2008年第21期53卷 3255-3266页

作者： huang MeiRong MA xiaoli LI XinGui Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education Institute of Materials Chemistry College of Materials Science and Engineering Tongji University Shanghai 200092 China

Macrocyclic compounds,such as crown ethers,azacrown ethers,thiacrown ethers,calixarenes and porphyrins,which act as ionophores in lead(Ⅱ) ion-selective electrodes,are systematically summarized based on the latest *** molecular structure characteristics of the ionophores are *** modification regulations for the substituted ionophores are elaborated with the purpose of improving the response features of the lead(Ⅱ) ion-selective electrodes assembled by *** is pointed out that the introduction of pendant moieties which contain soft base coordination centers like N,S and P atoms is in favor of adjusting the cavity size and conformation of the macrocyclic ***,there is synergic effect between the cavity and the donor sites of the ligand and thus the selective complexation of lead ions is easily realized,resulting in significant avoidance of the interference from other metal *** macrocyclic ionophore having the best response characteris-tics thus far was found to be N,N'-dimethylcyanodiaza-18-crown-6 with the detection limit of 7.0×10-8(14.5 μg/L),which is one of the uncommon ionophores that can really eliminate the interference from silver and mercury *** selectivity coefficients of the ionophore for lead ions over other metal ions,such as alkali,alkaline earth and transition metal ions are in the order of 10-4 or smaller,where the se-lectivity coefficient of lead(Ⅱ) over mercury(Ⅱ) ions is much lower,down to 8.9×*** structure de-sign idea for high-performance ionophore is proposed according to present *** incorporation of nitrogen atom,especially cyano group or thiocyano group or amino/imino groups,rather than thio atom alone could result in new excellent lead *** aborative design for metacyclophanes containing aromatic nitrogen atoms with the aim of creating excellent ionophores would also become a potential research *** lead(Ⅱ) ion-selective electrodes have shown widely potential ap

关键词：大环复合物离子载体电极电路

Automatic Design of P Systems for Five Basic Arithmetic Operations within One Framework

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Chinese Journal of Electronics 2014年第2期23卷 302-304页

作者： CHEN Yixi ZHANG Gexiang WANG Tao huang xiaoli School of Electrical Engineering Southwest Jiaotong University

To solve the programmability of a membrane system, this paper presents an automatic design method of a cell-like P system framework for performing five basic arithmetic operations. This method proved that different P systems can be designed with same framework by programming. A technique is introduced to remove redundant rules in the process of the design of a P *** effectiveness and feasibility of this method is verified by experimental results.

关键词： Membrane computing P system framework Automatic design Basic arithmetic operation Quantum-inspired evolutionary algorithm

Generated genuine tripartite steering and its monogamy in the background of a Kerr-Newman black hole

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Chinese Physics C 2024年第11期48卷 170-180页

作者： xiaoli huang Haoyu Wu Shumin Wu Department of Physics Liaoning Normal UniversityDalian 116029China

We study the redistribution of quantum steering and its monogamy in the presence of a four-dimensional Kerr-Newman black *** gravitational effect of the Kerr-Newman black hole is shown to generate genuine tripartite steering between causally disconnected regions,depending on the polar angle,angular momentum,electric charge,and magnetic charge of the black *** obtain strong evidence of steering monogamy,that is,the"sudden death"of the A→B steering results in the"sudden birth"of B→B *** also obtain the condition of maximal steering asymmetry,that is,η0=√1+tanh^(2)(s),revealing the transition between two-way and one-way steering in Kerr-Newman spacetime.

关键词： genuine tripartite steering Kerr-Newman black hole steering monogamy

Chemical composition and phytotoxic activity of the volatile oil of invasive Xanthium italicum Moretti from Xinjiang,China

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Journal of Arid Land 2013年第3期5卷 324-330页

作者： Hua SHAO YuanMing ZHANG Peng NAN xiaoli huang Chi ZHANG Key Laboratory of Biogeography and Bioresource in Arid Land Xinjiang Institute of Ecology and GeographyChinese Academy of Sciences Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering School of Life SciencesFudan University State Key Laboratory of Desert and Oasis Ecology Xinjiang Institute of Ecology and GeographyChinese Academy of Sciences

Aerial parts of Xanthium italicum in an air tight container greatly inhibited root elongation of radish, implying that this invasive plant could release biologically active volatile organic compounds （VOCs） into the environment to affect other plants＇ growth. This phenomenon was further studied by evaluating the phytotoxic effects of X. italicum essential oil against two dicot plants, amaranth （Amaranthus mangostanus L.） and lettuce （Lectuca sativa L.）, and two monocot plants, wheat （Triticum aestivum Linn） and ryegrass （Lolium multiforum）, and analyzing the chemical composition of the oil. Among the 4 test species, amaranth was the most sensitive plant, 0.5μl/mL essential oil application resulted in a 50% reduction on root elongation, and 2.5 μl/mL essential oil almost completely inhibited its seedling growth. Wheat was the least sensitive species, whose root growth was reduced to 36% of control by 5 μl/mL essential oil. The essential oil exerted moderate inhibitory effect on both lettuce and ryegrass. Compared to a commercial herbicide-Harness, X. italicum oil exhibited stronger phytotoxicity on amaranth, lettuce and wheat, but weaker activity on ryegrass. The chemical composition of the essential oil isolated by hydrodistillation from the aerial parts of X. italicum Moretti was analyzed by GC/MS. Thirty two compounds were identified, representing 94.89% of total oil, which was found to be rich in monoterpene hydrocarbons （60.71%）. The main constituents of the oil were limonene （51.61%）, germacrene B （6.98%）, 6-cadinol （5.94%）, β-pinene （5.23%）, α-caryophyllene （5.1%） and bornyl acetate （3.15%）. Bioassay revealed the dominant constituent-limonene, was unlikely the responsible phytotoxic compound due to its low biological activity; rather, there might be other oil constituent（s） that either act alone, or work together, and possibly assisted by synergistic effect, to display the phytotoxic activity. Our results suggested that X. italicum might produce allelopathic V

关键词： allelopathy phytotoxicity essential oil volatile organic compounds Xanthium italicum

Superconducting ternary hydrides: progress and challenges

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National Science Review 2024年第7期11卷 47-61页

作者： Wendi Zhao xiaoli huang Zihan Zhang Su Chen Mingyang Du Defang Duan Tian Cui Institute of High Pressure Physics School of Physical Science and Technology Ningbo University State Key Laboratory of Superhard Materials College of Physics Jilin University

Since the discovery of the high-temperature superconductors H3S and LaH10under high pressure,compressed hydrides have received extensive attention as promising candidates for room-temperature superconductors. As a result of current high-pressure theoretical and experimental studies, it is now known that almost all the binary hydrides with a high superconducting transition temperature（Tc） require extremely high pressure to remain stable, hindering any practical application. In order to further lower the stable pressure and improve superconductivity, researchers have started exploring ternary hydrides and had many achievements in recent years. Here, we discuss recent progress in ternary hydrides, aiming to deepen the understanding of the key factors regulating the structural stability and superconductivity of ternary hydrides, such as structural motifs, bonding features, electronic structures, electron–phonon coupling, ***, the current issues and challenges of superconducting ternary hydrides are presented, together with the prospects and opportunities for future research.

关键词： high pressure ternary hydrides conventional superconductivity electron–phonon coupling

Cytogenetic analysis in two scallops (Bivalvia:Pectinidae) by PRINS and PI banding

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Acta Oceanologica Sinica 2007年第5期26卷 153-158页

作者： ZHANG Lingling BAO Zhenmin WANG Jue WANG Shi huang Xiaoting HU xiaoli HU Jingjie Laboratory of Marine Genetics and Breeding College of Marine Life Sciences Ocean University of China Qingdao 266003 China

Cytogenetic analysis was performed for the bay scallop （Argopecten irradians Lamarck 1819） and the Japanese scallop （Patinopecten yessoensis Jay 1857 ） by primed in situ labeling （PRINS） and propidium iodide （PI） banding techniques. The PRINS analysis revealed that major rRNA genes were clustered in two loci on the telomeric regions of the short arms on two acrocentric chromosome pairs in A. irradians and on two submetacentric pairs in P. yessoensis. The histone H3 gene sites differed in number and location between these two species. The C-band-like patterns revealed by PI staining varied considerably between these two species. A. irradians displayed terminal bands at long arms on all chromosomes, centromeric bands on some pairs and interstitial bands on five pairs. P. yessoensis exhibited only centromeric bands on all chromosomes. These results would contribute to the better understanding of karyotype evolution in A. irradians and P. yessoensis.

关键词： primed in situ labeling PI banding Argopecten irradians Patinopecten yessoensis

Development and Evaluation of a Loop-mediated Isothermal Amplification(LAMP) Assay for Rapid Detection of Chinese Giant Salamander Ranavirus

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Asian Herpetological Research 2015年第1期6卷 59-65页

作者： Yi GENG Xingxing LIU Yan ZHOU Kaiyu WANG Xi PENG Zhijun ZHONG xiaoli huang Defang CHEN College of Veterinary Medicine Sichuan Agricultural University Department of Aquaculture Sichuan Agricultural University

Loop-mediated isothermal ampliifcation （LAMP） is a novel nucleic acid diagnostic method that can amplify rapidly a target template under isothermal conditions. In this study, a LAMP assay for rapid detection of Chinese giant salamander ranavirus（CGSRV） was developed from culture isolates and clinical samples. The LAMP assay was developed by designing one set of four speciifc primers, targeting the major capsid protein （MCP） gene of CGSRV. Reaction time and temperature were optimal for 40 min at 62°C. The developed LAMP assay is speciifc and highly sensitive for CGSRV detection, the detection limit could reach about 5 copies of cloned viral genomic fragments. The sensitivity of the LAMP assay was about 1000 and 10-fold higher than that of both conventional and nested PCR, respectively. The LAMP ampliifcation produces a typical ladder-like pattern of products on an agarose gel that can be visually inspected after addition of ethidium bromide. The LAMP assay was evaluated further with clinical samples, and the results indicated the suitability and simplicity of the test as a rapid diagnostic tool for the detection of CGSRV.

关键词： CGSRV Loop-mediated isothermal ampliifcation (LAMP) ranavirus Chinese giant salamander

Phosphine-free synthesis of FeTe2 nanoparticles and self-assembly into tree-like nanoarchitectures

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Chinese Physics B 2019年第10期28卷 473-477页

作者： Hongyu Wang Min Wu Yixuan Wang Hao Wang xiaoli huang Xinyi Yang State Key Laboratory of Superhard Materials College of PhysicsJilin UniversityChangchun 130012China College of Material Science and Engineering Jilin Jianzhu UniversityChangchun 130118China

Manipulating the self-assembly of transition metal telluride nanocrystals(NCs) creates opportunities for exploring new properties and device applications. Iron ditelluride(FeTe2) has recently emerged as a new class of magnetic semiconductor with three-dimensional(3D) magnetic ordering and narrow band gap structure, yet the self-assembly of FeTe2 NCs has not been achieved. Herein, the tree-like FeTe2 nanoarchitectures with orthorhombic crystal structure have been successfully synthesized by hot-injection solvent thermal approach using phosphine-free Te precursor. The morphology, size, and crystal structure have been investigated using transmission electron microscopy(TEM), high-resolution TEM(HRTEM),and powder x-ray diffraction(XRD). We study the formation process of tree-like FeTe2 NCs according to trace the change of the sample morphology with the reaction time. It was found that the FeTe2 nanoparticles show oriented aggregation and self-assembly behavior with the increase of reaction time, which is attributed to size-dependent magnetism properties of the samples. The magnetic interaction is thought to be the driving force of nanoparticle self-organization.

关键词： self-assembly transition metal tellurides phosphine-free Te precursor tree-like nanoarchitectures