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At present, it is well accepted that low-frequency noise can be used as a predictive parameter for diagnostic of potential defects and estimation of devices reliability because of the fact that majority of failures of the devices are rooted in the consequences of the latent defects caused in the manufacturing or operating life[5]. 1/f noise whose power spectral density is in inverse proportion to the frequency in a wide frequency range is contributed by surface material mainly[6].
This work is partly supported by National Natural Science Foundation of China (60906034) and Provincial Natural Science Foundation of Jilin Province (201115029).
Journal of Bionic Engineering, 6(3) (2009), p. 306-310
Advanced Experimental Methods For Noise Research in Nanoscale Electronic Devices NATO Science Series, 151(III) (2005), p. 271~278

Ontology-based K-Means Clustering Algorithm Analysis Guo Qingju1,a Ji Wentian1,a Zhong Sheng*2,b 1Department of information management Hainan College of Software Technology Qionghai, China 2College of Information Science & Technology Hainan University Haikou, China a31690582@163.com,bshzhong@hainu.edu.cn Keywords:Clustering Algorithm; K-means Algorithm; Improvement; Semantic Web; Data; Abstract.
Launched by GroupLens project team from Computer Science College and Engineering College of Minnesota University of America, this website recommends movies to its users.
Possessing 1000000 marking data given by 6040 users regarding 3900 films, Movielens data set is widely used as experiment material.
ACKNOWLEDGMENT In this paper, the research was sponsored by the Nature Science Foundation of Hainan Province (Project No. 611121) Corresponding author: Zhong Sheng: References [1] Basu S.
International Journal of Human Computer Studies,1995,43(5):907-28

Based on mathematical modeling and mathematical experiment course platform enhancing students innovative ability Li Xiaoyi1, a , Xu Zhaodi2, b 1 School of Mathematics and System Science, Shenyang Normal University, Shenyang, 110034, China 2 School of Mathematics and System Science, Shenyang Normal University, Shenyang, 110034, China bemail: xuzhd@synu.edu.cn, aemail: lixy@synu.edu.cn Keywords: mathematical modeling; mathematical experiment; innovative ability Abstract.
On the other hand, the integration of mathematical modeling and mathematical experiments teaching model to the teachers to master a variety of mathematical software, data processing software and common modeling methods, to promote teachers' professional proficiency, teacher are also participated in the mathematical contest in modeling in guiding the students accumulate experience and method of research-based learning, teaching and research teaching, collect the relevant teaching material, case and course plug-ins, these resources and experience in the application of mathematics experiment and the university mathematics teaching, can promote the university mathematics teaching reform and improve teaching quality.
Analysis and Strategy of Mathematical Modeling and Mathematical Experiments Courses[J]，Journal of Shenyang Normal University (Natural Science), 2011, 29, (1):117-120.

Piezoelectric Resonant Temperature Sensor Yu Yao1, a, Xu Jun1,b , Ma Jing1,c and Chen HaiYan1,d 1Harbin University of Science and Technology, Harbin, Heilongjiang, CHINA ahljlgxj@126.com, blixin68@hrbust.edu.cn, chljlgxj@tom.com Keywords: Piezoelectric, Resonant, Thermal sensing, Temperature sensor.
Flexural mode tuning-fork temperature sensor’s natural frequency f is shown as follow: (2) Where, λ is the solution that satisfies equation ,, ρ is the density of crystal material; (i, j=1,2,3,4) is the elastic compliance cofficient, is the constant that is determined by the shape of tuning-fork cross section,W is the width of tuning-fork arm, L is the length of tuning-fork arm.
Acknowledgments This work was supported by the Natural Science Foundation of Heilongjiang Province (Project Grant No.
F201308) and the Education Department of Heilongjiang Province Science and Technology Research Project (Project Grant No. 11551074).
Haba, Temperaturefrequency Characteristics Simulation of Piezoelectric Resonators and Their Equivalent Circuits Based on Three-dimensional Finite Element Modelling, International journal of numerical modelling, 16(2003) 479-492.

High Accuracy Modeling Method of UTC-PD Photodiode Huafeng Wen1, a, Qiuhua Nie 1,b, Tiefeng Xu1,c , Taijun Liu1,d, Xiangyue Ying1,e Kevin Clark2,f, and Yingfeng Li3,g 1College of Information Science and Engineering, Ningbo University, Ningbo, Zhejiang 315211, China 2Intelligent Epitaxy Technology, 1250 E.
PIN-PD is fabricated by including a layer of intrinsic semiconductors or lightly-doped semiconductor material.
Acknowledgements This work is partially supported by the National Natural Science Foundation of China (No. 60972064) and Zhejiang Province Natural Science Foundation (No.
Shi: Journal of Lightwave Technology Vol. 29 (2011), p. 432 [3] J.

The relationship of stress-strain presents straight line,because material in the elastic deformation stage.With the stress increasing, stress-strain relationship turn to curvilinear dramatically.
Normallized stress-strain behavior of Wuhan unloading soft clay[J].Building Science, 2012,28(3):46-49
[4]XU Shunhua, XU Guangli , CHENG Yao .Normalization character of stress strain relations for clays[J].Geological Science and Technology Information, 2005,24(sl):170-172
Building Science, 2010,26(5):16-18
Chinese Journal of Geotechnical Engineering, 1987,9(5):67 ～75.

It was found that the integrated normative criterion for the sections and the temperature block is executed even for reduced by 10 times modulus of elasticity of the material of the contact joint.
This work was financially supported by the Grants of Russian Academy of Architecture and Construction Sciences (7.1.7, 7.1.8).
Bathe, Advances in the multiphysics analysis of structures, Chapter 1 in Computational Methods for Engineering Science, B.H.V.
Bathe, The Finite Element Method, in Encyclopedia of Computer Science and Engineering, B.
Fialko, Problems of computational mechanics relate to finite-element analysis of structural constructions, International Journal for Computational Civil and Structural Engineering, Vol. 1, No. 2 (2005) 72-86.

Introduction Raw material industry is the primary industrial structure in Baotou, and the pillar industries (such as steel, aluminum, power) are greatly dependent on mineral resources.
Yunnan Environmental Science, 22(1) 118-122
Science Press, Beijing, 2004
Research of Environmental Sciences. 13(4) 62-64
Meteorology Journal of Inner Mongolia. 2008(1) 45-47.

Modal Analysis of Cracked Plate Using Interval B-Spline Wavelet Finite Element Method Huifen Peng1 2, a, Guangwei Meng2, b, Liming Zhou2, c and Zhaolong Yang3, d 1College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China 2College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China 3Daqing Drilling and Exploration Engineering Company, Daqing 163453, China aphfdaqing@163.com, bmenggw@jlu.edu.cn, c78728616@qq.com, and d1278148527@qq.com Keywords: Interval B-spline Wavelet, Modal Analysis, Cracked Plate, Natural Frequency Abstract.
Numerical Examples The cracked plate clamped one side is considered as shown in Fig.1, the both lengths of the cracked plate are and , respectively, the plate thickness is , the distance of the crack from the both ends of the cracked plate are , the crack depth is , the corresponding material properties are Young’s modulus , Poisson ratio , and density .
Acknowledgement The fund project of Jilin Provincial Science and Technology Department (20090540).
[4] Bing Li, Xuefeng Chen, Zhengjia He: Journal of Sound and Vibration, 2005, 285(40), 767-782

Relation Between Cell Density And PM Content Investgation of Three-Way Catalyst WeiJun Zhanga, Jin Hu, Hong Luo, Li Shen, Hua Tan, Lin Su Kunming University of Science and Technology, Kunming 650093, China a2008kmzhangweijun@163.com Keywords: Cell density; PM content; LOF Abstract.
Samples of catalyst were prepared by: coating material, substrate, PM solution, loading, dry, calcinating, catalyst sample.
Acknowledgements This work was financially supported by Yunnan Province Natural Science Foundation (2010CD024) and National Undergraduate Innovational Experimentation Program Foundation (101067439).
Journal of Rare Earths, 2006, 24: 54~59
Surface Science, 1977, 64 (2): 393~410