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  1. No Access

    Article

    Global attractor and threshold dynamics of a reaction–diffusion population model in a polluted environment

    This paper describes a population model in a polluted environment with heterogeneous parameters and a reaction–diffusion mechanism. We establish the existence of positive solution and a global attractor of the...

    An Ma, Qimin Zhang in Journal of Applied Mathematics and Computing (2023)

  2. Article

    Open Access

    Polymerase chain reaction–based assays for the diagnosis of human brucellosis

    Polymerase chain reaction (PCR) is an in vitro technique for the nucleic acid amplification, which is commonly used to diagnose infectious diseases. The use of PCR for pathogens detection, genoty** and quant...

    Ying Wang, Zhanli Wang, Yaxian Zhang… in Annals of Clinical Microbiology and Antimi… (2014)

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  3. No Access

    Article

    Effect of acidity and diffusibility on coke deactivation over nano-sized HZSM-5 zeolites

    Four series of nano-sized HZSM-5 zeolite catalysts were prepared with different steaming and HNO3 leaching processes. These samples were studied by XRD, NH3-TPD, FT-IR, n-hexane and cyclohexane adsorption, and fi...

    Lin Sun, **angsheng Wang, Jichun Li, An Ma… in Reaction Kinetics, Mechanisms and Catalysis (2011)