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CAD and CAM information are integrated by BOM (Bill of Material) based on PDM.
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The soil moisture is a significant ecological factor of Supported by the Key Project of Science and Technology in Heilongjiang Province(GA06B302) ∗ Corresponding author sandy land ecosystem, which determines the emergence, evolution and productivity of sandy land soil[6].
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With the rapid development of science and technology, thin strip has been found more and more applications in industry [2, 3].
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Bing 4 1 Institute of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China, email:huangxh@mail.whut.edu.cn 2 Institute of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China, email: sflfdx@163.com 3 Institute of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China, email: feiyun8645@sina.com.cn 4 Hubei College of Traditional Chinese Medicine, Wuhan, 430061, China Keywords: Calcium phosphate, BMP, Degradation, Osteogenesis effect Abstract.
The statistic T examination was used to dispose the data of the rate of new bone forming after two kinds of materials CP and BCP had been embedded into body.
Table 1 shows that after CP and BCP materials have been embedded into the animal's body, the materials degradation and the formation of new bone require certain time and space.
But CP and BCP porous materials form omnidirectionally a new bone in a tri-dimensional space with the degradation of the materials.
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Ma, Friction stir welding and processing, Materials Science and Engineering A, Vol. 50, 2005, pp. 1-78
Balasubramanian, Influences of tool pin profile and welding speed on the formation of friction stir processing zone in AA2219 aluminum alloy, Journal of Materials Processing Technology, Vol. 200, 2008, pp. 163–175
Malek Ghaini, Effect of friction stir welding speed on the microstructure and mechanical properties of a duplex stainless steel, Materials Science and Engineering A, Vol. 496, 2008, pp. 262–268
Sterling, Microstructure evolution during FSW/FSP of high strength aluminum alloys, Materials Science and Engineering A, Vol. 405, 2005, pp. 277–286
Huneau, Precipitate stability and recrystallization in the weld nuggets of friction stir welded Al–Mg–Si and Al–Mg–Sc alloys, Materials Science and Engineering A, Vol. 491, 2008, pp. 364–371

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Introduction As well known, concrete is one of structural materials which have been popularly applied with mature technology.
Experimental Program Materials.
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And the engineering economic of such material is compared with that of Portland cement concrete.
We can see that the program I is the best program. 3 Development of freeze-thaw resistance materials for the control structure of debris flow and mix design Through comparison and contrast the compressive strength of concrete specimen and mass loss, before or after freezing and thawing, we received two add admixture groups’ higher performance.
Because of large sections project along the Tianshan highway, requires large quantity of raw materials, which must be from the perspective of economic analysis and sets of programs on the feasibility and applicability (Table 6).
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They are mostly used in the production of ceramic building materials.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (No. 61164014 ).
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The material follows Von Mises yield criterion.
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