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Model Basic Settings Finite element model basic settings are as figure 1, the material of workpiece is Al7075, the tool's material is diamond (Tool rake angle 0, back angle 15°), the tool edge radius was set to 0.1mm.
ASME Journal of Engineering Materials and Technology. 1980, 102(4)
ASME Journal of Engineering Materials and Technology. 1980, 102(4)
The influence of material model nonfinite element simulation of machining [J].
Journal of Manufacturing Science and Engineering, 2004, 126(4): 849-857 [6] Shi Chao, Micro cutting process material constitutive relation simulation modeling and scale effects. 2012: 36

Introduction Vitrified bond diamond grinding wheels are commonly used for grinding different brittle and hard materials [1].
In the past, the creation of the pores in the grinding wheel was mainly achieved by adding organic pore-forming materials like polymethyl methacrylate.
In comparison with organic pore-forming materials, alumina bubbles are resistant to softening and deformation at high temperatures, which enables them to control the porosity and pore size of the grinding wheel effectively [8].
By now, there are very few reports on using alumina bubbles as pore-forming materials in vitrified bond diamond specimens.
Wang (2016) "Effect of hot pressing temperature on microstructure, mechanical properties and grinding performance of vitrified-metal bond diamond wheels," International Journal of Refractory Metals and Hard Materials, vol.54, pp. 289-294

Test Method Preparation of Specimens Raw materials.
Journal of HUST.
(Urban Science Edition)，Vol.20, No.4, Dec.2003，p95-97
JOURNAL OF HEBEI UNIVERSITY OF TECHNOLOGY, 2005 (10): p42-45
Journal of Tianjin University, Vol.135, No.13, May.2002: p380-383

Introduction The modern people who did not experience the extreme shortage of materials cannot imagine what kind of feeling of no food, which not like war, earthquakes, snowstorms that directly harm humans, but also deeply threaten each life, like strangling.
Fujian Agricultural Science and Technology. 2001, 1(1), 21-23(In Chinese) [2]Lili, Qiao yongxin.
Journal of Anhui Agricultural Science. 2007, 35(12): 3730-3731) (In Chinese) [3] Tang yuwen, Shi hechun.
Journal of Hunan Agricultural Science. 2006, 7(1): 38-40 (In Chinese) [4]Teng hongfei.
Journal of Jinling Technology College. 2006, 22(2): 61–64(In Chinese) [5] Opschoor J B.

Materials and Method Preperation of Meat Samples.
Color figures are welcome for the online version of the journal.
Liu, “Investigation and detection of adulterated pork from markets,” Food Science, Vol. 25, pp. 273-276, 2004.
Wang, “A case with allergy to pork,” Clinical Journal of Medical Officer.
Zhan and L Zhang, “One case with allergic shock caused by pork,” Journal of Clinical Emergency Call.

Materials and method Reagents and Materials.
Peru: Journal of Chromatography A, 903(2000):203-210 [3] Maria Llompart, Carmen Garcia-Jares, Carmen Salgado.
Journal of chromatography.
A, 999(2003): 185-193 [4] Carmen Garcia-Jares, Maria Llompart, Carmen Salgado:Journal of chromatography.
A, 999(2002): 277-285 [5] Hongtao Liu, Ling Liu, Yiquan xiong:Journal of chromatography.

Delage, Canadian Geotechnical Journal, Vol 37, 3, (2000), p.607
Pellegrini, Nuclear Science and Tech., Vol 2, (1991), EUR 13365/2
Habibagahi, Indian Geotechnical Journal, Vol 1, (1977), p.14
Charles, Canadian Geotechnical Journal, Vol.19 (1982), p.188
Materials Research Society, (1997) p.591

Acknowledgment The authors wish to thank the support of Natural Science Foundation of China (50745017, 50875194), and the authors also wish to thank the support of Scientific Research Program Funded by Shaanxi Provincial Education Department (Program No. 08JK305).
Luo: Chinese Journal of Lasers.
Christian: Rapid Prototyping Journal. vol.6 (2002), p. 25
Huang: Journal of Materials Processing Technology. vol.107 (2006), p. 167
Huang:Journal of Materials Processing Technology, Vol.107 (2002),p.167 [6] F.J.Paul:Stereolithography and Other RP&M Technologies: from Rapid Prototyping to Rapid Tooling(ASME Press,1996

Mori: Journal of Spacecraft and Rockets, Vol. 48 (2011) No.5, p.881
Weeks: Journal of Spacecraft and Rockets, Vol. 23 (1985) No.1, p.102
Ubertini: International Journal of Solids and Structures, Vol. 38 (2001) No.4, p.717
Li: Journal of Sound and Vibration, Vol. 306 (2007) No.3-5, p.849
Wang: Aerospace Science and Technology, Vol. 13 (2009) No.4-5, p.210

Materials and methods Culture the biomass screened in laboratory, then centrifuge it to get the pellet.
Journal of Hazardous Materials, 2010, 15(175): 117-125
Biochemical Engineering Journal, 2007(36): 54–58
Biochemical Engineering Journal, 2007(37): 151–158
Chemical Engineering Journal, 2009(149): 319