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It is therefore necessary to find other uses for these materials.
High-alumina materials require grogs with a high content of Al2O3, which is usually supplemented in the form of non-clay materials.
The synthetic materials typically come in the form of a fine powder.
The experiment used only two raw materials - FBC and technical Al2O3.
American Journal of Materials Science and Engineering. vol. 4, no. 1 (2016): 7-12. doi:10.12691/ajmse-4-1-2 [4] Herainová, M.

Kuhn2, P.H.M. van Loosdrecht2,d 1Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl.
The flexibility in replacing the organic part of the organic-inorganic hybrid material has become an interesting material parameter to tune the functionality of their inorganic part.
Introduction The hybrid material is a material which combines organic and inorganic components.
M. van Loosdrecht, Journal of Physics: Condensed Matter 25 (2013) 505901
Palstra, APL Materials 6 (2018), 066106 [6] Alexey O.

FFU system is one of the key equipments in cleaning room project,FFU can be connected as modular, which composed by slim low noise centrifugal fan, ultra-thin or ultra-high-efficiency filter, with flow-oriented modular housing and muffler materials, sealing materials and etc..
Chinese Journal of Power Sources,2011,35(8):998-999,1012 (in Chinese) [6] Liu Jinjun, Wang Zhaoan.
Guangdong Agricultural Sciences,2013(3):179-181 (in Chinese) [11] Information on http:// www.microchip.com [12] DENG Fang-xiong,ZHOU Guo-peng,WANG Zhong-you.

Steady state response simulation of a 2-D micromirror in Simulink Tomas Skulavika, Peter Schreiberb, Oliver Moravcikc Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology, Institute of Applied Informatics, Automation and Mathematics, Hajdóczyho 1, 917 00 Trnava, Slovakia a tomas.skulavik@stuba.sk, b peter.schreiber@stuba.sk, c oliver.moravcik@stuba.sk Key words: micromirror, analytical model, steady state response Abstract.
An effective shear modulus must be calculated with the shear modulus GAlN and GAl of the materials and their thicknesses tAlN and tAl [4]
Wu, Linearization of Electrostatically Actuated Surface Micromachined 2D Optical Scanner, Journal of Microelectromechanical Systems, 2001

The common materials of ultrasonic sensors are piezoelectric crystal and piezoelectric ceramic.
Therefore, it should calculate the sensitivity of some frequency band according to the material characteristic value of sensors [9].
Meanwhile,the center frequency of the sensor and the sensor material has some connection.
[2] X.Q.Li, X.P.Wang and L.Li.The Detection Principle of Acoustic Emission in Power Transformer Partial Discharge.The Academic Journal of Shijiazhuang Railway Institute,Vol.11 (1998) No.2, p.30
[3] Ma Dayou: The Oretical Basis of Modern Acoustics(Science Press. 2004)

Research on the straightening deformation process of the residual stress of the numerical simulation for different kinds of heavy rail Yuyan Liu 1, a , Hao Li1,b and Lin Chen1,c 1Material and metallurgy school , Inner Mongoliar Science & Technology University,Baotou,014010,China aliuyuyan39805@163.com, bhao3536@163.com, cchenlin39805@163.com Key Words：straightening of heavy rail；FEA simulation；Residual stress； Abstract.Through out the establishment of heavy rail entity model and the finite element model of straightening for different kinds of heavy rail after the residual stress in straightening investigated .
Simulation mainly analyse for heavy rail's Straightening deformation,for building a finite element three-dimensional model.As showned in figure 1.Straightening workpiece's material model adopted elastic-plastic model, choose the double linear servo sclerosis elastic-plastic materials,coincided with the material of U75V etc. four kinds of steel for heavy rail .
[2] Yang WenQing, Chenlin, Zhao YuPing, etc .Rail straightening deformation process of the finite element analysis [J] Journal of Baotou University of Iron and Steel Technology, 2005, 24（3）：284-287．

Materials and Methods Materials.
References [1] Ahmad Ziad Sulaiman, Azilah Ajit, Rosli Mohd Yunus, Yusuf Chisti, Ultrasound-assisted fermentation enhances bioethanol productivity, Biochemical Engineering Journal 54 (2011) 141-150 [2] Devchand N.
A study of frequency, power and sonication time on cultured Bacillus species, Ultrasonics Sonochemistry 10 (2003) 315-318 [6] Dan Liu, Xin-An Zeng, Da-Wen Sun, Zhong Han, Disruption and protein release by ultrasonication of yeast cells, Innovative Food Science and Emerging Technologies 18 (2013) 132-137

Eddy-current induced magnetic separation of nonferrous metals from solid wastes Huifen Zhang1, a , Luzheng Chen2, b 1 Department of Land Resource Engineering, Yunnan Tin College of Vocation and Technology, Gejiu 661000, China 2 Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China a zank800@126.com; b chluzheng@hotmail.com Keywords: Eddy-current induced magnetic separation; Recycle of metals; Solid wastes Abstract.
The material is slided down from the top of feed slider and an eddy current is induced in nonferrous metals in the material; this eddy current produces a negative magnetic field to the magnet, so that a repulsive force is acted on the metals, resulting to the separation of the metals from the material.
When a batch of material is finished, a metal product and nonmetallic product are respectively achieved.
International Journal of Mineral Processing. 2005, 78 (1): 22~30

College of Material Science and Engineering, Xi’an Shiyou University, 710065, Xi’an. 2.
Introduction The multi-phase alloys are the most popular engineering materials [1], where one phase acts as the matrix and the others serve as the reinforcing elements.
Predication of solidification path Some assumptions are introduced into the models as the following: 1) The diffusion of solute in solid is neglected, and the diffusion is the only way of the solute transmit in liquid; 2) The thermodynamic equilibrium are taken between the solid and liquid concentration and temperature of solid/liquid interface during solidification; 3) The grain is spherical and there is no material exchange with another grain.
The Chinese Journal of Nonferrous Metals, 2000, 10, 688.

Niger keeping in view the statistical analysis that shows its importance and usage in Pakistan and also the need to put up and industrial scale plant, having all the raw materials available in great quantities within the country and at a very low cost.
GENERAL PRODUCTION OF CITRIC ACID: There is no general classification of raw materials for CA in such that it can be derived both from Figure 2: Comparison of exports v/s production of Molasses Molasses and Starch.
Maddox, Citric acid production in a bubble-column reactor using cells of the yeast Candida guilliermondii immobilized by adsorption onto sawdust, Enzyme and Microbial Technology 19:343-347, 1996 [5] Maria Papagianni, Review,Fungal morphology and metabolite production in submerged mycelial processes, Biotechnology Advances 22 (2004) 189–259 [6] Pandey.P, Putatunda S, Dewangan L, Pawar V.S and Belorkar S.A, Studies on citric acid production by Aspergillus niger in batch fermentation, Recent Research in Science and Technology 2013, 5(2): 66-67 ISSN: 2076-5061 [7] Bekir Sitki Cevrimli, Ergin Kariptas, Ahmet Yasar, Mustafa Yigitoglu, Influences of phenolic compounds on citric acid productivity by Aspergillus niger in stirred fermentor  [8] http://renewablechemicals.agra-net.com/2011/10/chinese-citric-acid-industry-begins-to-consolidate/ [9] M.
O, Production of citric acid by Aspergillus niger using pineapple waste, Malaysian Journal of Microbiology, Vol 6(2) 2010, pp. 161-165 [12] D.