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The contradiction matrix obtains 4 inventive principles, including (1) NO.35 “Parameter change” which functions by operating the driver lever with both hands, namely the supporting lever automatically support the materials of the sheet metals, thereby preventing the hands from entering the danger zone; (2) NO.2 “Extraction” which is a feeding safety apparatus and functions by the driving of gear to depart the drive lever and the support lever for generating the synchronous movements; (3) NO.40 “Composite material” which replaces the materials having same quality with synthetic materials.
While the sheet metals are under the bending formation procession, the operator will put the materials of sheet metals on the top of the mold and the supporting lever; while the upper mold presses the materials of the sheet metals down to the lower mold, the sheet metals will rise along with both sides of the mold, at the same time, the supporting lever in the front and back of the mold will properly support the sheet metals.
While operating the hydraulic press brake, the operators hold the drive lever with one hand, push up the materials of sheet metals in fron of the mold, at the same time, the supporting lever in the back of the mold will be affected by the synchronous movements of the drive lever, and the materials of sheet metals in the back of the mold are pushed up simultaneously.
She, Application of systematized innovation process-Take office chairs as an example, Vanung Commercial Journal. 14 (2009) 259-276
Zhou, Contradiction theory and application of TRIZ, Science and Management. 3 (2010) 15-18

This technology can effectively improve the performance of metal materials’ yield strength, hardness, fatigue strength, resistance of fatigue crack growth and fatigue life [4-5].
The transmission and the reflection of stress wave occur at the binding surface because of the different materials of the coat and the base.
International Journal of Refractory Metals and Hard Materials, Vol.24 (2006) No6, pp. 453-460
Applied Surface Science.
Material Science and Technology, Vol.10 (2002) No1, pp. 5-10.

SiCp-Al composites are a kind of engineering materials with two components of Al and SiC particles.
This model can be used to simulate the most brittle materials and allows the unit to be removed.
The material is sliced off.
Journal of Shenyang University of Technology,2012,34(6):665-670.
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Study on the surface fractures of nanoparticle silicon anode for lithium-ion batteries Panli Ren1, a, Xu Ma1,2,b*,Linglong Kong1,c 1School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China 2 Tianjin Enterprise Key Laboratory of Cooper Wires for Electrical Purposes, Tianjin 300402, China arenpanli084@126.com, bmaxumax@163.com, clinglongkong@163.com Keywords: Si nanoparticles; fracture; electrochemical properties; performance degradation Abstract:In this paper the fractures appeared in the surface of nanoparticle silicon anode for lithium-ion batteries was explored.
Introduction Si has been regarded as the most promising and competitive candidate to replace graphite anode material, because it offers a theoretical capacity as high as 4200 mAhg-1.
Nanostructured Si materials [2-7], such as Si nanoparticles, nanowires, nanotubes, nanofilms, are one of the main ways to solve these problems. in this paper the fractures on the Si anode surface emerged。
Appleby: Journal of Power Sources 163 (2007) ,1003

Experiment 2.1 Material The chemical composition of Ti-6Al-4V alloy used in experiment was listed in Table 1.
All samples were heated to specified temperature with the rate of 5℃/min then held for an hour and cooled in tube furnace. 2.3 Characterization of materials Surface morphology of samples was characterized by scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS).
Journal of Materials and Corrosion, 2012, 63(2): 134−139
Applied Surface Science, 2012, 258(7): 3173−3177

(Science Press, Beijing 2006)
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Material Fatigue (II) (Publishing House of National Defensive Industry, 1999) [8] Eurocode 9.

Acknowledgements This research was supported by National 863 Programs Funded by Ministry of Science and Technology of China(2013AA102305).
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European journal of operational research 2011;215(1):70-79

A new technologies and materials stand at front of the scientific interest.
The result of the huge efforts in the development of nanostructured materials are new materials that are the building blocks of nanoparticles with defined structures and properties.
NorioTaniguchi of Tokyo University of Natural Sciences in 1974 to describe the precision manufacture of materials with nanometer tolerances [1].
New materials find their application also in environment protecting.
For water protection at the sewage process, four types of materials are known: metal oxides, carbon materials, dendrimers and zeolites.

Rock materials are divided as a mechanical to control the border.
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Experimental Section 1.1 Materials and chemical agents PVDF microfiltration membrane (0.22-µm pore size, 5-cm diameter, 90-µm thickness) was obtained from Xinya (Shanghai, China). 1,1,1-trimethylolpropane triacrylate (TMPTA) obtained from MaiKaiLun science and technology Co.
Acknowledgment This work was supported by National Natural Science Foundation of China (No. 50978066), National Creative Research Groups of National Natural Science Foundation of China (No. 50821002) and State Key Laboratory of Urban Water Resources and Environment(No.2010DX03).
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Kiadambi, S., & Bruening, M.L: Chemistry of Materials.
Vol. 17 (2005), p. 301–307 [10]Chun-Hui Du, You-Yi Xu, Bao-Ku Zhu: Journal of Applied Polymer Science.