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First Detailed Analysis of a Relatively Deep, Low mass-ratio Contact Binary:ATO J108.6991+27.8306

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Research in Astronomy and Astrophysics 2023年第3期23卷 104-110页

作者： shuo ma Jinzhong Liu Yu Zhang Guoliang LYU Ting Wu Chenyang He Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China University of Chinese Academy of Sciences Beijing 100049China Department of Astronomy Xiamen UniversityXiamen 361005China School of Physical Science and Technology Xinjiang UniversityUrumqi 830064China

We present the first detailed photometric analysis of ATO J108.6991+27.8306(hereinafter as J108).The shortperiod close binary J108 was observed by the Nanshan 1 m Wide Field Telescope of the Xinjiang Astronomical *** obtained BVRI-band light curves were used to determine the photometric solution by using the 2003 version of the Wilson-Devinney code.J108 is a typical deep(f>50%),low mass ratio(qmass ratio of q=0.1501 and a fill-out factor of f=50.1%,suggesting that it is in the late evolutionary stage of contact binary *** found the target to be a W-type W Uma binary and provided evidence for the presence of starspots on both *** the temperature-luminosity diagram,the main component is the evolved main sequence star with an evolutionary age of about 7.94 Gyr.

关键词： binary ratio Deep

Study on catalytic mechanisms of Fe_(3)O_(4)-rGO_(x) in three typical advanced oxidation processes for tetracycline hydrochloride degradation

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Chinese Chemical Letters 2023年第1期34卷 420-425页

作者： Heshan Zheng Yunying Hou shuo Li Jun ma Jun Nan Nannan Wang College of Chemistry and Chemical Engineering Qiqihar UniversityQiqihar 161006China Urban Water Resources Development and Northern National Engineering Research Center Harbin 150090China School of Environment Harbin Institute of TechnologyHarbin 150090China Department of Environmental Engineering Beijing Institute of Petrochemical TechnologyBeijing 102617China

This study explored the catalytic mechanism and performance impacted by the materials ratio of Fe_(3)O_(4)-GO_(x) composites in three typical advanced oxidation processes(AOPs)of O_(3),peroxodisulfate(PDS)and photo-Fenton processes for tetracycline hydrochloride(TCH)*** ratio of GO in the Fe_(3)O_(4)-GO_(x) composites exhibited different trends of degradation capacity in each AOPs based on different ***_(3)O_(4)-rGO_(20wt%) exhibited the optimum catalytic performance which enhanced the ozone decomposition efficiency from 33.48%(ozone alone)to 51.83%with the major reactive oxygen species(ROS)of O_(2)·-.In PDS and photo-Fenton processes,Fe_(3)O_(4)-rGO_(5wt%) had the highest catalytic performance in PDS and H_(2)O_(2) decomposition for SO_(4)·–,and·OH generation,*** with using PDS alone,PDS decomposition rate and TCH degradation rate could be increased by 5.97 and 1.73 times under Fe_(3)O_(4)-rGO_(5wt%) *** the photo-Fenton system,Fe_(3)O_(4)-rGO_(5wt%) with the best catalyst performance in H_(2)O_(2) decomposition,and TCH degradation rate increased by 2.02 times compared with blank ***,the catalytic mechanisms in those systems of that the ROS produced by conversion between Fe^(2+)/Fe^(3+)were also analyzed.

关键词： Advanced oxidation progresses Fe_(3)O_(4) Graphene oxide Mechanism Reactive oxygen species

Hierarchically porous Fe_2O_3 /CuO composite monoliths:Synthesis and characterization

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Journal of Natural Gas Chemistry 2010年第6期19卷 589-592页

作者： Xiaodong ma Hongwen Sun Quan Sun Hongwen Guo Bo Fan shuo Zhao Tianjin Key Laboratory of Environmental Remediation and Pollution Control Key Laboratory of Environmental Pollution Process and Standard Ministry of Education College of Environmental Science and Engineering Nankai University lianjin 300071 China

In this paper,hierarchically porous Fe2O3 /CuO composite monoliths were first successfully synthesized by a mild method using silica monoliths as *** structure of composite monoliths was characterized by X-ray diffraction,scanning electron microscopy,nitrogen *** results indicated that the molar ratio of Fe to Cu had a great influence on the crystal phase of Fe2O3,pore size and the structure of the macroporous *** Fe2O3 /CuO composite monoliths consist of hierarchically macroporous and mesoporous structure,while the sample with the Fe/Cu molar ratio of 2：1 possesses tighter wall structure than other *** is expected that asprepared Fe2O3/CuO composite monoliths have potential applications in several fields as catalysts,catalyst supports,chemical sensors and high-performance liquid chromatography （HPLC）.

关键词： hierarchically porous Fe2O3/CuO composite monolith synthesis characterization

Multi-Party Identity-Based Symmetric Privacy-Preserving matching with Cloud Storage

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Wuhan University Journal of Natural Sciences 2014年第5期19卷 426-432页

作者： qiu shuo LIU Jiqiang SHI Yanfeng HAN Zhen School of Computer and Information Technology Beijing Jiaotong University

In this paper, we address the problem of multi-party privacy-preserving matching （PPM） over the encrypted data. We firstly construct an efficient identity-based re-encryption scheme like E1Gmal （IBR-E1Gmal） using combined public keys, which not only ensures the privacy of the information during the transmission process but also holds perfect multiplicative homomorphic property. Then we construct a multi-party identity-based symmetric privacy-preserving matching （M-IBSPM） protocol based on IBR-E1Gmal scheme in cloud environments, which realizes the privacy-preserving matching among multiple different parties as well as getting the symmetric output. Furthermore, with our M-IBSPM protocol, most of the computation costs are taken over by cloud service provider without leaking any privacy, and our protocol achieves perfect security and privacy in the semi-honest model. Finally, we analyze the efficiency for our protocol.

关键词： cloud computing symmetric privacy-preserving matching identity-based re-encryption

Effects of Potassium Ferrate and Low-Temperature Thermal Hydrolysis Co-Pretreatment on the Hydrolysis and Anaerobic Digestion Process of Waste Activated Sludge

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Journal of Ocean University of China 2023年第6期22卷 1583-1591页

作者： ma Yingpeng HAO Di YAO shuo ZHANG Dahai LI Xianguo FENG Lijuan Key Laboratory of marine Chemistry Theory and Technology Ministry of EducationCollege of Chemistry and Chemical EngineeringOcean University of ChinaQingdao 266100China

This study evaluated the effect of potassium ferrate(PF)and low-temperature thermal hydrolysis co-pretreatment on the promotion of sludge hydrolysis process and the impact on acid production in the subsequent anaerobic digestion *** analytical investigations showed that co-pretreatment significantly facilitated the hydrolysis process of the sludge and contributed to the accumulation of short-chain fatty acids(SCFAs).The pretreatment conditions under the optimal leaching of organic matter from sludge were hydrothermal temperature of 75℃,hydrothermal treatment time of 12 h,and PF dosage of 0.25 g g^(−1)TSS(total suspended solids),according to the results of orthogonal *** pretreatment under proper conditions,the removal rate of soluble chemical oxygen demand(SCOD)achieved 71.8%at the end of fermentation and the removal rate of total phosphorus(TP)was 69.1%.The maximum yield of SCFAs was 750.3 mg L^(−1),7.45 times greater than that of the blank *** on the analysis of the anaerobic digestion mechanism,it was indicated that the co-pretreatment could destroy the floc structure on the sludge surface and improve organic matter dissolving,resulting in more soluble organic substances for the acidification ***,microbial community research revealed that the main cause of enhanced SCFAs generation was an increase in acidogenic bacteria and a reduction of methanogenic bacteria.

关键词： waste activated sludge potassium ferrate low-temperature thermal hydrolysis anaerobic digestion short-chain fatty acids

Genesis of Fibrous Calcite in the Chang 7 Member of the Yanchang Formation,Ordos Basin,China

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Acta Geologica Sinica(English Edition) 2023年第5期97卷 1490-1502页

作者： LIU Guanglin LIU Xianyang ma Xiaofeng ma Shuang WANG Xiaofeng LI shuo SHI Zhiqiang WANG Yanxin State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Chengdu University of TechnologyChengdu 610059China National Engineering Laboratory for Low Permeability Oil and Gas Field Exploration and Development Xi’an 710018China Exploration and Development Research Institute of PCOC Xi’an 710018China PetroChina Changqing Oilfield Company(PCOC) Xi’an 710018China Northwest Institute of Eco-Environment and Resources Chinese Academy of SciencesLanzhou 730000China Geological Research Institute of the First Oil Production Plant of PCOC Xi’an 710018China Engineering Cost management Department of PCOC Xi’an 710018China

To explore the genesis of the laminated calcite veins developed in the black shale of Chang 73 submember of the Ordos Basin,the petrology,microstructure and geochemistry of calcite veins are studied using thin sections,fluid inclusions,trace elements and isotopic *** source,the time of formation,the mechanism of formation,and the dynamic background of the veins are *** veins are mostly made up of calcite,mixed with lenticular or spindle-shape solid wall rock *** structures are identified in the calcite minerals:fibrous,rhombic cleavage,and wedge-like *** elements and isotopes of carbon and oxygen confirm that the calcite veins were formed from a high density hydrothermal *** is assumed that calcite veins formed prior to wall rock consolidation during the formation of the Qinling Orogenic Belt in the Middle and Late *** results show that the sedimentary sources of Chang 73 submember were influenced by hydrothermal materials besides terrigenous *** fibrous calcite is different from the fibrous calcite reported in the morphology and mechanism of *** this way,the research complements and improves the morphology and the mechanism of formation of fibrous calcite.

关键词： fibrous calcite veins lacustrine black shale hydrothermal fluid Chang 7 member Ordos Basin

Effect of Intrinsic Decoherence of Milburn's Model on Entanglement of Two-Qutrit States

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Communications in Theoretical Physics 2008年第2期49卷 516-520页

作者： qiu Liang WANG An-Min ma Xiao-San Department of Modern Physics University of Science and Technology of China Hefei 230026. China

We model of intrinsic analyze the time evolution of entanglement of two-qutrit system within the framework of Milburn＇s decoherence. The entanglement evolution relies not only on the parameters of system, but also on the concrete states either pure or mixed. The linear entropy used to measure the extent to which the intrinsic decoherenee affects quantum states is evaluated.

关键词： intrinsic decoherence Milburn's model time evolution of entanglement

Control over π-π stacking of heteroheptacene-based nonfullerene acceptors for 16% efficiency polymer solar cells

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National Science Review 2020年第12期7卷 1886-1895页

作者： Yunlong ma Dongdong Cai shuo Wan Pan Yin Pengsong Wang Wenyuan Lin Qingdong Zheng State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of Sciences University of Chinese Academy of Sciences College of Chemistry Fuzhou University

Nonfullerene acceptors are being investigated for use in polymer solar cells(PSCs),with their advantages of extending the absorption range,reducing the energy loss and therefore enhancing the power conversion efficiency(PCE).However,to further boost the PCE,mobilities of these nonfullerene acceptors should be *** nonfullerene acceptors,the π–π stacking distance between cofacially stacked molecules significantly affects their ***,we demonstrate a strategy to increase the mobility of heteroheptacene-based nonfullerene acceptors by reducing their π–π stacking distances via control over the bulkiness of lateral side *** of 2-butyloctyl substituents into the nonfullerene acceptor(M36) leads to an increased mobility with a reduced π–π stacking distance of 3.45 ?.Consequently,M36 affords an enhanced PCE of 16%,which is the highest among all acceptor-donor-acceptor-type nonfullerene acceptors to *** strategy of control over the bulkiness of side chains on nonfullerene acceptors should aid the development of more efficient PSCs.

关键词： polymer solar cell power conversion efficiency nonfullerene acceptor ladder‐type heteroheptacene π–π stacking charge carrier mobility

Exopolysaccharides from lactic acid bacteria,as an alternative to antibiotics,on regulation of intestinal health and the immune system

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Animal Nutrition 2023年第2期13卷 78-89页

作者： shuo Yang Xiaoqing Xu Qing Peng Lan ma Yu Qiao Bo Shi Feed Research Institute Chinese Academy of Agricultural SciencesBeijing100081China

Over-use or misuse of antibiotics in livestock and poultry production contributes to the rising threat of antibiotic resistance in animals and has negative ecological *** from lactic acid bacteria(LAB-EPS)are a class of biological macromolecules which are secreted by lactic acid bacteria to the outside of the cell wall during their growth and *** studies demonstrated that LAB-EPS have anti-inflammatory and antimicrobial activities and are able to regulate intestinal health and the immune system in *** are biodegradable,nontoxic and bio-compatible,which are considered as ideal alternatives to *** review aims to discuss and summarize recent research findings of LAB-EPS on regulation of intestinal health and the immune system in animals,and thus provide scientific justification for commercial applications of LAB-EPS in livestock.

关键词： Lactic acid bacteria Exopolysaccharides Intestinal health Immune function