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Prediction Model of Silicon Content in Hot Metal Using Optimized BP Network Shufang Li1, a, Shiliang Chu*,2,b 1Environmental Management College of China, Qinhuangdao, 066004, PR China 2Qinhuangdao Shouqin Metal Materials Co Ltd, Qinhuangdao, 066004, PR China alishufang116003@163.com, bzhuiyun1981@163.com Keywords: Silicon content in hot metal; Optimized neural network; Prediction model Abstract.
Many factors affecting the silicon content in hot metal, including material properties, loading method, air volume, air temperature, weight, oxygen blowing amount and each parameter exists between the mutual influences.
Journal of Shenyang Jianzhu University Natural Science, Vol.26 (2010), p. 390-394
Journal of Anhui University of Technology (Natural Science), Vol.27 (2010), p. 221-224.

The physico-mechanical parameters of soil layers, grouting material and structural elements are listed in Tables 2 and 3.
Acknowledgement This work is financially supported by the Science and Technology Project of Beijing (D0604003040921) and the Technology Innovation Project of Beijing Urban Engineering Design and Research Institute Co., Ltd. (2010-07).
[5] Xinjin Zhang, Weining Liu and Meili Lu: Journal of Southeast University (English Edition) Vol. 24(Supp) (2008), p. 142, in Chinese
[6] Weining Liu, Meili Lu, Xinjin Zhang and Zhaoping Li: Chinese Journal of Rock Mechanics and Engineering Vol. 28(8) (2009), p. 1629, in Chinese
[10] Tongchuan Jiang: Orthogonal Experimental Design (Shandong Science and Technology Press, Jinan 1985), in Chinese.

WANG H.D (2007) put award to AHP-based hazards analysis of urban subway operation safety based on the principle of dangerous source recognition. [4]Considering of the material, energy, environment and other aspects, the key factors of the urban subway operation system were found out and the analysis and appraisement model is set up.
SERVICE SCIENCE(2012)（4）:101–117 [2]PAN Ke, SHI Jian-yun.
Journal of the China Railway Society, 2009, 31(3): 20-25 [3]Jiayang Li.
Applied Mechanics and Materials Vols. 373-375 (2013) pp 2195-2199 [4]Patrick X.W Zou ,Jie L.
China Safety Science Journal ,2008( 7):55-62 [6]Wang YM, Luo Y (2010) Integration of correlations with standard deviations for determining attribute weights in multiple attribute decision making.

. & Technology, Wuhan 430074, China; 2Hubei Key Laboratory of Control Structure, HuaZhong University of Science & Technology, Wuhan 430074, China; 3China Railway Siyuan Survey and Design Group Co.
Acknowledgements The financial support from the National Natural Science Foundation of China (Project 51278213) is greatly acknowledged.
Chinese Journal of Underground Space and Engineering, 2010, 6(2): 423-428 [3].
Advanced Materials Research,2013,800:229-235 [6].
China Civil Engineering Journal, 2004: 37(6)

While HfO2 is a promising gate oxide material for Si, it is not suitable for SiC MOS devices because of the low conduction band offset at the HfO2/4H-SiC interface [7, 8].
Kimoto, Japanese Journal of Applied Physics 54 (2015) 040103 and references therein
Fjellvag, Journal of Applied Physics 102 (2007) 054513
Hwang, Applied Surface Science 254 (2008) 6112–6115
Jos, Semiconductor Science and Technology 22 (2007) 307.

Acknowledgements This research work is financially supported by the National Natural Science Foundation of China (Grant Number 51061006), Key Scientific and Technological Project of Guangxi (Grant Number 0815001-8) and the Project of Scientific and Technical Personnel Servicing Enterprise Action (Grant Number 2009GJE10013).
Jiang, Growth of alumina ceramic coatings on aluminum matrix material surface: The Chinese Journal of Nonferrous Metals Vol. 11 (2001), P. 186 In Chinese [4] W.
Pitt and G.B.Alexander, Electroless silver plating of oxide particles in aqueous solution: Journal of Materials Science Vol. 28(1993), p. 5209

Due to the high hardness and very stable chemical properties, it is difficult to micro-process ceramic materials.
Laser machining provides a material removal method that is non-contact, with no tool wear, and no cutting force.
TANG: Journal of Optoelectronics·Laser, Vol. 20 (2009), p. 725 [8] M.
Jian: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 199, (2003), p. 332 [12] T.
Zak: Journal of Materials Processing Technology, Vol. 189, (2007), p. 409 [13] Ch.P.

Introduction In recent decades, MEMS devices have evolved several branches of science and industry, pressure sensors, magnetometers, switches [1, 2].
Electron mobility in polysilicon is an order of magnitude less than in single crystalline materials, 10 to 50 cm2/Vs.
Micro-bridges and cantilevers were obtained in SOI-Si case by modifying cleaning process and etching regime of different layers of materials.
Shafai, "A resonant micromachined magnetic field sensor," Sensors Journal, IEEE, vol. 7, pp. 1326-1334, 2007
Horsley, "Parametrically Amplified Z-Axis Lorentz Force Magnetometer," Microelectromechanical Systems, Journal of, vol. 20, pp. 702-710, 2011

It is readily available and relatively inexpensive and could not bring any toxicity and biodegradability problems which are usually related to the usage of synthetic materials [2].
Materials and methods A.Materials Soluble starch was from Junle Chemical Co.
Span-60, Tween-60, N,N'-methylene- bis-acrylamide(MBAA), potassium persulfate (K2S2O8) and all other materials were from Kermel Chemical Co.
International Journal of Pharmaceutics.
Journal of Microencapsulation.

By analysis technique of scanning electron microscopy (SEM) and X-ray diffraction (XRD) to explore on the effect of the hydration products of SSC. 2 Specimens, materials and mix Home-made SSC was used in this paper, silica fume and microbead is produced by Gui zhou Haitian ferroalloy abrasive co., LTD and Yun nan, respectively.
The chemical compositions of three kinds of materials were shown in table 1.
Hydration products of SSC mainly ettringite and gypsum crystals, trace amounts of calcium hydroxide and a small amount of materials such as gypsum that does not participate in the reaction ,it does not observe obvious characteristic peak of calcium hydroxide in SSC paste .
Beads and silica fume, fly ash hydration activity of contrast study [J], journal of wuhan university of science and technology, in March 2011, 33 (3) : 54 ~ 58
The influence of temperature and different storage conditions on the stability of supersulphted cement[J], Journal of Thermal Analysis, 1994,41:687–699.