Zhang, Lili; Zhou, Wei Numerical analysis of advertising duopoly game model. (Chinese. English summary) Zbl 1474.91095 J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 8-14 (2021). MSC: 91B54 90B60 91A26 91A80 PDFBibTeX XMLCite \textit{L. Zhang} and \textit{W. Zhou}, J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 8--14 (2021; Zbl 1474.91095) Full Text: DOI
Zhang, Aitao; Cheng, Siqi; Xiao, Yu; Zhou, Xu; Li, Lianjie Denoising research of brain CT based on the adaptive wavelet thresholding algorithm. (Chinese. English summary) Zbl 1474.92056 J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 19-25 (2021). MSC: 92C55 42C40 PDFBibTeX XMLCite \textit{A. Zhang} et al., J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 19--25 (2021; Zbl 1474.92056) Full Text: DOI
Tian, Hong; Hu, Yumei The Turan number of \({P_5} \bigcup {P_9}\). (Chinese. English summary) Zbl 1474.05216 J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 15-18 (2021). MSC: 05C35 05C30 PDFBibTeX XMLCite \textit{H. Tian} and \textit{Y. Hu}, J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 15--18 (2021; Zbl 1474.05216) Full Text: DOI
Chen, Changfei; Jiang, Peng Existence and uniqueness of solution for a two-phase flow system describing spray model. (Chinese. English summary) Zbl 1474.76069 J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 1-7 (2021). MSC: 76N10 76T20 PDFBibTeX XMLCite \textit{C. Chen} and \textit{P. Jiang}, J. Hebei Norm. Univ., Nat. Sci. Ed. 45, No. 1, 1--7 (2021; Zbl 1474.76069) Full Text: DOI