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Possibility Theory on Economic Problems Tian Huizhu1, a, Dong Zhongqi1, b, Huang Weiqing1, c, Li Wenxin1, d,Yang Ying1,e 1Hebei College of Industry and Technology, Shijiazhuang 050091, China aemail: tianhuizhu88@163.com, bemail:dongzhongqi@aliyun.com,chuweqi@126.com, dlwx6401@163.com, e amm417@163.com (Corresponding author:dongzhongqi@aliyun.com) Keywords: Mathematical expectation; random variable; economic activity; maximum profit Abstract: A random phenomenon is so common in human economic activities, during the process of researching and revealing the random phenomena, as a theory of probability, Mathematical expectation has been widely used in the field of social economy.
[3] Rong Yang, Probability theory and mathematical statistics, Qinghua University Press, Beijing, 2005
[5] Yinghui Tian, Economic and applied mathematics - probability theory and mathematical statistics study counseling, Higher Education Press, Beijing, 2002

Two algorithms of defect detection about digital radiograph image Kai Tian1,a, Jiarong Shi2,b, Chunxiao Yang3,c, Feiyu Ji4,d 1,2,3,4School of Science, Xi'an University of Architecture and Technology, 710055, China atkai610@126.com, bshijiarong@xauat.edu.cn, cchunxiao_yang@aliyun.com, dfeiyueji@163.com Keywords: DR image; image segmentation; defects detection; CV model; region growing.
References [1] SHEN Gong-Tian, LI Li-Fei.
[6] TIAN Kai, ZENG Li, LIU Ling-Hui.
[9] TIAN Kai, SHI Jiarong.

Tian and S.J.
Yang: Chem.
Tian and S.J.
Yang, J.K.
Yang: J.

A Fractional-order Sobel Operator for Medical Image Structure Feature Extraction Dan Tian, Jingfei Wu, Yajie Yang School of Information Engineering, Shenyang University,Shenyang,110044,China E-mail:www.sltd2008@163.com Keywords: Fractional-order, Feature Extraction, Medical Image, Sobel Operator, Thresholding Selection Abstract.
Vol.23(1988), p. 358 [8] Tian D, Xue D, Chen D, et al.

References [1] J.Tian, Z.Xie: Dynamic Contact Stiffness of a Vibrating Rigid Sphere Contacting a Semi- Infinite Viscoelastic Transversely Isotropic Solid.
Acta Mechanica Solida Sinica, Vol.21(2008), No.6,p.1-7 [2] J.Tian, W.X.Yang, and X.Y.Su: Transient Elastic Waves in a Transversely Isotropic Laminate Impacted by Axisymmetric Load.
International Journal of Solids and Structures, Vol.29(1992), No.19, p.2355-2367 [4] J.Tian, U.Gabbert, H.Berger, and X.Y.Su: Lamb Wave Interaction with Delamination in CFRP Laminates.
Key Engineering Materials, Vol. 348-349(2007),p.521-524 [6] Li Hongliang, Li Hong,Yang Yong:Dynamic Stress Intensity Problem of SH-Wave by Double Linear Cracks near A Circular Hole.

Tian and S.
Yang: Chem.
Yang, B.
Tian, B.
Tian: Chem.

Tian, F.R.
Zhu, S.P, Yang, J.L.
Tian, M.H.
Yang, J.L.
Tian, D.

Tian and S.J.
Tian and Y.L.
Yang, J.K.
Yang, G.Z.
Yang: J.

Tian and S.
Yang: Chem.
Yang, B.
Tian, B.Z.
Tian: Chem.

Tian and S.J.
Yang: Chem.
Yang: J.
Tian: Chem.
Tian, B.Z.