Yan, Rongfang; Hu, Caixia Characterizations of joint distributions using multivariate conditional reversed hazard rate functions. (Chinese. English summary) Zbl 1233.62116 J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 6-10 (2011). MSC: 62H05 62E10 62N05 62N86 PDFBibTeX XMLCite \textit{R. Yan} and \textit{C. Hu}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 6--10 (2011; Zbl 1233.62116)
Sun, Jian’an; Zhang, Taofeng; Chen, Jiyu; Liu, Wanhai; Tao, Na; Shi, Yuren Numerical solution of KdV-Burgers’ equation by modified Bernstein polynomials and Galerkin’s method. (Chinese. English summary) Zbl 1240.65297 J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 31-35 (2011). MSC: 65M60 PDFBibTeX XMLCite \textit{J. Sun} et al., J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 31--35 (2011; Zbl 1240.65297)
Ma, Yuhong; Wang, Yanling A genetic algorithm of portfolio optimization with cardinality constraint and its empirical analysis. (Chinese. English summary) Zbl 1240.91151 J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 26-30 (2011). MSC: 91G10 90C27 90C59 PDFBibTeX XMLCite \textit{Y. Ma} and \textit{Y. Wang}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 26--30 (2011; Zbl 1240.91151)
Lü, Shengmei The Seidel polynomial and spectrum of the complete 4-partite graphs. (English) Zbl 1240.05160 J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 22-25 (2011). MSC: 05C31 05C50 PDFBibTeX XMLCite \textit{S. Lü}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 22--25 (2011; Zbl 1240.05160)
Qiao, Husheng; Shi, Pengjun On \(e\)-coherent rings. (Chinese. English summary) Zbl 1240.16016 J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 19-21 (2011). MSC: 16P70 16D50 16D40 PDFBibTeX XMLCite \textit{H. Qiao} and \textit{P. Shi}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 19--21 (2011; Zbl 1240.16016)
Li, Jun; Meng, Xinyou; Huo, Haifeng The global stability of a mathematical model with two delays for the formation of resistant bacteria. (Chinese. English summary) Zbl 1240.34409 J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 11-15 (2011). MSC: 34K60 34K20 92D30 92C60 PDFBibTeX XMLCite \textit{J. Li} et al., J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 11--15 (2011; Zbl 1240.34409)
Liu, Jiancheng; Zhang, Yanpeng Complete space-like submanifolds with constant scalar curvature in de Sitter spaces. (Chinese. English summary) Zbl 1240.53100 J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 1-5, 10 (2011). MSC: 53C42 PDFBibTeX XMLCite \textit{J. Liu} and \textit{Y. Zhang}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 2, 1--5, 10 (2011; Zbl 1240.53100)