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上海大学学报(英文版)
上海大学学报(英文版)

戴世强

季刊

1007-6417

jpsu_l@staff.shu.edu.cn

021-66135218

200444

上海市宝山区上大路99路上海大学124信箱

上海大学学报(英文版)/Journal Journal of Shanghai University(English Edition)
查看更多>>《Journal of Shanghai University》是在钱伟长校长的大力倡导和支持下于1997年6月创刊的。本刊由上海大学出版社出版,《上海大学学报》(英文版)编委会编辑, 上海大学期刊社发行。本刊设有“Reviews”,“Articles”,“Letters”,“Abstracts of Doctoral Dissertations”等栏目,报道范围涉及自然科学与工程技术的多种领域,主要有“应用数学和力学”,“信息技术”,“机电工程与自动化”,“材料科学与工程”等领域。 本刊重视学术论文的创新性。钱校长在本刊发刊词中把科研成果分为三类:第一类用新理论新方法解决新问题;第二类用新理论新方法解决老问题或用已有理论和方法解决新问题;第三类用已有理论和方法解决老问题。本刊将优先刊登第一类学术论文,也发表一些第二类学术论文,而不采用第三类论文。本刊只刊出未在正式刊物上公开发表过的研究论文。 本刊除刊登上海大学教师和研究生的最新研究成果外,也刊登其它高校及科研院所专家学者们的优秀学术论文,而且在论文的筛选和刊出上一视同仁。本刊尤其欢迎国家自然科学基金课题和国家“八六三”项目的研究论文以及海外留学生的研究论文,也欢迎资深学者的专题综述文章, 本刊也以“Letters”的形式报道学者们的阶段性研究成果。本刊主要向国外发行,向国外近20家文献检索刊物和数据库及近百所大学图书馆按期寄送。到目前为止,本刊已被国际多家重要检索刊物或数据库收录。它们是美国的“工程索引”(EI Page One),英国的“科学文摘”(SA-INSPEC),俄罗斯的“文摘杂志”(РЖ),日本的“科学技术文献速报”(CBST),美国的“剑桥科学文摘”(CSA),美国的“数学评论”(MR),美国的“应用力学评论”(AMR),德国的“数学文摘”(ZBI),美国的“化学文摘”(CA)等的收录期刊。本刊同时被国内4家全文数据库和多家专业文摘刊物收录。欢迎国内外专家学者投稿,有关投稿的具体要求见本刊征稿简则。本刊国内外公开发行, 可通过天津联合征订服务部、北京人天书店征订,也可直接向上海大学期刊社征订。
正式出版
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    Determination of the volatile fraction of coal tar

    WU Yue-yingLI Jie-junXU JieJIAO Chen-jia...
    313-321页
    查看更多>>摘要:The coal tar was qualitative and quantitative analyzed by gas chromatography (GC) method. 74 components were identified exactly by gas chromatography-mass spectrometry (GC-MS). 31 components (37%) were quantitatively analyzed by gas chromatography-flame ionization detector (GC-FID). The linearity, accuracy, precision, limit of detection (LOD) and limit of quantitative (LOQ) determination were inspected. The scope of quantitative analysis by GC was discussed. The experimental results of thermogravimetric analysis (TGA) proved that GC quantitative analysis of the coal tar was reliable.

    Effective and inexpensive gas chromatography method for detection of trace level SO2 in H2 fuel

    WANG HuiLI Chang-shunZHOU LiSHI Sen...
    322-325页
    查看更多>>摘要:Gas chromatography (GC) analysis of sulfer dioxide is challenging because SO2 is a highly mobile and chemically active molecule. For the conventional GC method with flame photometric detector (FPD) and direct-injection, it is often ineffective particularly when the SO2 level is as low as on the trace level. In this paper, a modified GC system integrated with an adsorption-desorption device was developed to detect the trace SO2 impurity in H2 fuel. Adsorbent GDX-502 is used in the adsorber to adsorb/collect SO2 from the sample gas and desorb/release it in a concentrated flow so that the conventional GC at downstream could detect it with an acceptable accuracy.

    Phytoremediation potential of Cyperus rotundus for diesel-contaminated wetland

    WANG JunLIU Xiao-yanZHANG Xin-yingWANG Zhen-zhen...
    326-331页
    查看更多>>摘要:Oil spills may considerably damage sensitive coastal wetlands. The phytoremediation potential and restoration of a dominant coastal marsh plant, Cyperus rotundus, for diesel pollutant and its phytoremediation effectiveness were investigated in this open-air pot experiment. Cyperus rotundus was transplanted into soil contaminated with diesel at concentrations of 1 000, 5 000, 10 000, 15 000, 20 000 mg/kg. In order to better elucidate the biochemical and physiological responses to diesel pollutants, activity of the antioxidant enzymes peroxidase (POD), catalase (CAT) and ascorbic acid oxidase (AAO) were determined in the plant tissue after 50 d treatment at the levels mentioned above. The results showed that CAT and AAO of stem and leaf exhibited peak enzyme activities on 15 000 mg/kg soil and 10 000 mg/kg soil respectively, and declined at higher concentrations. Additionally, the increment of biomass and the content of soluble protein, as well as chlorophyll content were affected by diesel. The highest restoration effectiveness appeared at the level of 5 000 mg/kg. Collectively, Cyperus rotundus is a potential plant which can be used for restoring the diesel-contaminated soil.

    Thermodynamics of Zn(II)-NaOH-H2O system

    LIU QingZHAO You-caiZHAO Guo-dong
    332-336页
    查看更多>>摘要:According to the principles of simultaneous equilibrium and electronic charge neutrality, the thermodynamics of Zn(II)-NaOH-H2O system was studied in this paper. Varying the concentration of sodium hydroxide, in range of 0-400 g/L, the distribution law of all zinc species and the mathematical model of equilibrium concentration of zinc in the system were obtained. The relative errors between theoretic calculation and the experimental values of total concentration of zinc were analyzed, and the absolute average error is only 0.129 8%. The mathematical model and the thermodynamic data are believable.

    Extraction of color-intensity feature towards image authentication

    LIU Ting-tingWANG Shuo-zhongZHANG Xin-pengYU Zhi-ming...
    337-342页
    查看更多>>摘要:A color-intensity feature extraction method is proposed aimed at supplementing conventional image hashing al-gorithms that only consider intensity of the image. An image is mapped to a set of blocks represented by their dominant principal colors more uniformly distributed. The average intensity is extracted from the Y component in the YCbCr space. By quantizing the color and intensity components, a feature vector is formed in a cylindrical coordinate system for each image to measure the degree of similarity between images in terms of the color-intensity features. This is used to validate effectiveness of the proposed feature vector. Experiments show that the color-intensity feature is robust to normal image processing while sensitive to malicious alteration,in particular,color modification.

    Planetary scroll surface polishing method for aluminum wheel hub

    CHEN YiWU Chang-lin
    343-348页
    查看更多>>摘要:Instead of manual polishing work for aluminum wheel hub (hub) surface, a new planetary scroll surface polishing method based on the rotation and revolution of hub in abrasives is presented in this paper. Since conventional barrel rotation polishing mode is unsatisfactory, shorter polishing period and lower energy consumption are expected. The surface polishing mechanism of the proposed method is then introduced. The influence of cutting velocity, cutting angle, abrasive on surface polishing quality and efficiency, as well as the correlation of the revolution velocity and the rotation velocity of hub are discussed. Experimental results show that high surface polishing quality and efficiency can be achieved with the new polishing method implying that a dustless clean working environment is realized.

    Integration and verification case of IP-core based system on chip design

    HU Yue-liZHOU Chen
    349-353页
    查看更多>>摘要:In this paper, the design and verification process of an automobile-engine-fan control system on chip (SoC) are introduced. The SoC system, SHU-MV08, reuses four new intellectual property (IP) cores and the design flow is accomplished with 0.35 μm chartered CMOS technology. Some special functions of IP cores, the detailed integration scheme of four IP cores, and the verification method of the entire SoC are presented. To settle the verification problems brought by analog IP cores, NanoSim based chip-level mixed-signal verification method is introduced. The verification time is greatly reduced and the first tape-out achieves success which proves the validity of our design.

    Vibration shape testing of space sheet structure

    FAN Hong-chaoQIAN Jin-wu
    354-358页
    查看更多>>摘要:The space sheet for a solar array structure is large in dimension, and flexible to induce complex distortion. It is difficult to measure the distortion. A large-scale flexible test prototype system is built for sheet structure vibration monitoring based on the vibration information of the solar array in space. The system provides an intelligent test method for flexible space structure with embedded sensors and non-visualization reinstruction. Multiple fiber Bragg grating (FBG) sensors are packaged and embedded into the structure with spatial division multiplexing (SDM) and wavelength division multiplexing (WDM). The sensor interrogator distinguishes wavelength shifts that can be turned into curvature of the curve. The structure shape is reconstructed based on the curvature information and the arc-length, and then displayed. The experiment shows that the system has a high FBG sensitivity. The reconstruction algorithm is fast with high precision. The system has great potential for use in health monitoring of the space sheet structure.

    2-D nano-positioning system for AFM based on H∞ control

    SUN XinJIN Xiao-pingCHENG Chuan-dongTANG Shen-jian...
    359-364页
    查看更多>>摘要:Nano-manipulation technology is an emerging field in the development of modern science and technology. Atomic force microscope (AFM), a sharp weapon for nano imaging and nanomanipulation, which is honored as "eye" and "hand" of nano-technology. However, due to the hysteresis, creep and other nonlinearity of piezoelectric ceramics tube (PZT) as well as the probe's tip deviations caused by cantilever deformation, AFM has larger error of relative displacement between probe and sample, which creates enormous inconvenience to the nano-manipulation and repositioning. As to improve positioning accuracy, this dissertation presents a novel AFM's X-Y dimensional nano-positioning control system with large-scale based on H∞ control. Through careful research on variety of influence factors on AFM's precise nano-manipulation, a composite control strategy based on feedforward compensation control of cantilever probe tip's offset and H∞ control of piezoelectric scanner is presented in this paper. In the end, simulation results can also testify the tracking ability and better nano-positioning performance of the system.

    Effects of PbO-B2O3-CuV2O6 glass on the microwave dielectric properties of (Pb0.5Ca0.5)(Fe0.5Nb0.5)O3 ceramics

    GU YingJIANG Yong-changYANG Qiu-hongKIM Eung-soo...
    365-368页
    查看更多>>摘要:The influences of the PbO-B2O3-CuV2O6 (PBC) additives on the microwave dielectric properties of (Pb0.5Ca0.5) (Fe0.5Nb0.5)O3 (PCFN) ceramics were investigated as a function of sintering temperature from 950 ℃ to 1 100 ℃. The sintering temperature of the specimens with the glass could be lowered from 1 125 ℃ to 1 025 ℃ without the degradation of microwave dielectric properties. The microwave results showed that the dielectric constant εr was not significantly different while Qf values decreased with the increase of CuV2O6 content of PBC glass. For the specimens doped with PB-CV0.1 glass (81% PbO-9% B2O3-10% CuV2O6) and sintered at 1 025 ℃ for 3 h, the microwave dielectric properties of Qf=4 823 GHz, εr=107.1 with TCF=+15.03 ×10-6/℃ were obtained.