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Fig.1 Assembled Transmission Box Part Material Properties & Physical and Mechanical Properties The transmission box’s cast standard is ZL101-T5-GB9438-88.
The material brand is ZAlSi7Mg.
The physics and mechanical performance of this material see table 1.
The simulation of the material removal process is to analog the real cutting process and to generate the model of product manufacture.
Tlusty: Asme Journal of Engineering for Industry, 113 (1991) 169-175

The pole piece material is electric iron.
The shaft material is 45 steel, their magnetization curve can be found in the literature[10].
Beijing: Science Press，2003.
Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems Ⅲ. 2006, 6415(64150X): 64150X-1-64150X-10
Journal of Beijing Jiaotong University. 2008, 32(1): 116-118.

(2) Where: constant coefficients Cv, q, x, y, r, b, kv, m; D is diameter of cutter, mm; L is length of workpiece, mm; H is height of cut material; B is width of cut material, mm; Z is number of tooth
(5) Where: Sp is selling price of workpiece; Cmat is Material cost of workpiece.
(1) Milling temperature constraints In order to confirm that cutter works in a good state, milling temperature is confined after comprehensively considering material and cutter performance.
(8) Where: βis inclination angle, Kr is coefficient of correction which is defined by material and milling conditions ,b1,b2,b3,b4 are exponent.
YANG: Journal of System Simulation, Vol.20 (2008), No.19, p.46-49

However, due to the density of steel materials is larger more than the aluminum, so its weight is too large than the aluminum piston.
The piston material is alloy steel.
The material strength of the piston’s reduce means there will be a permanent deformation or fracture or even partial burning if the piston work for long.
International Journal of Fatigue, Volume 30, Issue 2, February 2008, Pages 298-304
Materials Science and Engineering: A, Volumes 468-470, 15 November 2007, Pages 40-50

According to statistics, the lose of the steel material due to the splash accounts for 0.5%-5% of the total steel material, during the malignant splash the loss of the steel material accounted for more than 10% of the total steel material.
Due to the higher temperature, the small volume-capacity ratio and high carbon content (above 8%), long smelting time(one times than steelmaking) and raw material containing higher impurities such as S ,the result in the splash rate of ferroalloy production is higher.
Normal smelting intensity of audio are called standard sound intensity,in terms of A, due to the material composition and calculation error, the standard sound intensity is not a constant, but a range, referred as the standard sound intensity belt, recorded as (A-△，A+△), The sound intensity is too high to impending frothy splash when the corresponding sound intensity as Amax.Else the sound intensity is too low to impending metal splash of sound intensity as Amin.
[3] Guo Fengtao,You Wen, Ma Haitao,Xu Liang.:’Splash on-line monitoring system of argon oxygen smelting low-carbon iron production process’.Journal of changchun university of technology (natural science edition), 2013, (4)

Combination of PV power generation and construction has the advantages of saving land, improving power generation efficiency, reducing the transmission line investment and loss, replacing or partially substituting for building materials.
The unit cost of power generation has a relationship with solar cell material cost and the inverter cost, as long as the minimum cost of material and inverter, will be able to make the power-generation minimum cost.
Constraints are mainly considered that use area of PV cell materials should not be greater than the area of all outside surfaces of building.
Journal of ZaoZhuang University, 2010(8) 25-27
Doctoral Dissertation of University of Science and Technology of China, 2006

Materials and Methods 2.1.
Materials Letters 136 (2014) 393–396
Biomedical Materials; 8 (2013) 014101
Materials Science and Engineering: R: Reports, 80, (2014) 1-36
Materials & Design. 67 ( 2015) 501–508

Acknowledgments The authors would like to acknowledge the Chinese Guangdong Province Important Science & Technology Specific Projects (No.
Journal of Computer-Aided Design & Computer Graphics, 2007, 19(6):764-768
Journal of Sichuan University (Engineering Science Edition), 2001, (1):93-95
Journal of Hydrodynamics, Ser.
Journal of System Simulation, 2008, 20(16):4412-4416

Reference [6] proposed the transformer aging model to calculate the failure rate according the relationship between furfural content and DP, this model only considers the influence of solid insulating materials aging.
So the main reason of transformer aging includes the solid insulating materials aging and insulating oil aging, we can judge the transformer aging degree through its on-line state monitoring information.
Although DGA information can more fully characterize the internal latent failures development, the insulating oil aging can be resolved through the oil filter regeneration or replacement and solid insulating materials aging are not changed.
The average DP index can be more essential to reflect the decomposition degree of the solid insulating materials.
[5] J He, L Cheng, Y.Z Sun: Journal of Zhejiang University: Science A, vol.8 (2001) No.3, p.378

Regarding the surface topography of the HA, previous studies have shown that protein adsorption and cell adhesion increase in materials having increased porosity.
Samples of stoichiometric hydroxyapatite powders were synthesized in the laboratory of bioceramic materials of the Brazilian Center for Physics Research (CBPF) as described previously [10].
Results and discussion Materials Characterization.
Journal os biological engeneering (2014) 8-14
Materials Science and Engineering: C, 37 (2014) 286–291