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Another problem is that friction wheel maybe soon wear out, so appropriate material should be select.
Summary With the development of science and technology, mechanical products is becoming more complex, designing simple and effective mechanism scheme to satisfy given function requirements of mechanical products is becoming increasingly important.
[2] Terninko J, Su-Field Analysis[J],TRIZ Journal,Feb,2000, http://www.triz-journal.com

Acknowledgement This material is based upon work supported by the National Science and Technology Major Project “High-Grade CNC Machine Tools and Basic Manufacturing Equipments”(Grant No. 2010ZX04014-017) and the Special Items Fund of Beijing Municipal Commission of Education.
References [1] Xavier Desforges, Bernard Archimède: Engineering Applications of Artificial Intelligence, Vol. 19(2006), No.6, pp. 641-655 [2] Toshiharu Sugawara, Ken-ichiro Murakami, Shigeki Goto: Knowledge-Based Systems, Vol.14(2001), No.7, pp. 367-383 [3] LIU Zheng: Journal of Wuhan University of Technology, Vol.31(2009), No.11, pp. 126-128 [4] N.
Huazhong Univ. of Sci. & Tech, Vol.29(2001), No.2, pp. 25-27 [11] A.S.Rao, M.Georgeff:Journal of Logic and Computation, Vol.8(1998), No.3, pp. 293-344

Table 8 Maximum tensile stress σzz in the bottom of base under once cycle dynamic load(Pa) 　 1 2 3 4 5 6 NC 63132 142688 69445 161480 73187 92139 BC 105249 125913 56584 134045 64205 105770 GGNC 90277 110469 55223 125553 59767 79394 GGBC 89876 85689 69776 108891 55364 69792 In the bottom of base layer, the tensile stress σzz is more important to base fatigue and damage than σxx,; the maximum σzz is located in the centerline of tires gap, and the stress range is [55364,161480]Pa; the tensile stress is below the average tensile strength of semi-rigid base material, so once dynamic load could not cause the bending breakage; when the crack runs through base layer, the tensile stress in bottom of base layer decreases; when the asphalt layer is thin while the base layer is thick, crack damage may appears on the surface of subbase because of the oversize tensile stress; when there exists crack in the base, the tensile stress σzz in the bottom of base reduces, the variation range is [0.78,1.0];
References [1] Yan MENG, Linquan GUO, Zhiming TAN: Journal of Highway and Transportation Research and Development Vol. 24-4 (2007), p. 1-6
[2] Shutao MENG, Jianwei XU: JOURNAL OF HIGHWAY AND TRANSPORTATION RESEARCH AND DEVELOPMENT Vol. 21-6 (2004), p. 4-7 [3] IMENOK, KAMIJIMAT, et al: 8th International Conference on Asphalt Pavement in Seattle: International Society for asphalt Pavement (1996), p.128- 140 [4] Gongyun LIAO, Xiaoming HUANG, Application of ABAQUS in Road Engineering.
Science Press (1994), P. 69

It only needs to use transparent material to make darker chassis for placing mark point, then places a small direction mark in a corner of the rectangle bounding box.
JOURNAL OF XIDIAN UNIVERSITY (NATURAL SCIENCE) 2010, 37(6)
Accuracy of videometry with CCD sensors ISPRS Journal of Photogrammetry and Remote Sensing, 45 (2) (1990), pp. 90–110 [4] Xia Zhao, Bin Liu, Chunhui Yang.

As shown in Fig.2, the force which acting on the generating line of half section can be stated as [3] (4) Thus, the curtailment action () can be expressed as (5) Substituting equation (3) and (5) into (2), and solving for limiting bearing capacity which yields (6) Fig.2 Curtailment action of superstratum to external load From equation (6), the conclusion can be achieved that the factors which are related to launching site bearing capacity are mainly include: structure layer material parameters (,,), clay foundation bearing capacity coefficient which is related to internal friction angle (), the thickness of superstratum (), and the radius of rear davits ().
Chinese Journal of Geotechnical Engineering, 2001, 24(6): 720-723
JOURNAL OF SICHUAN UNIVERSITY (ENGINEERING SCIENCE EDITION), 2005, 37(5): 14-18

Although product modularity has been increasingly applied to industrial products, the science of modular design has not been studied until recently [2].
There is an important number of flows of energy, material and information.
Zhang (2003): Product modularity: Definitions and benefits, Journal of Engineering Design, 14:3, 295-313 [3] E.
Journal of Engineering Design 16(2):209-235 [4] D.

In the Philippines, the primary raw material used in biodiesel is Coconut Methyl Ester (CME) derived from coconut oil.
Many journals report decreasing engine torque with the increase in biodiesel content, due to the lower calorific values of biodiesel.
Research Journal of Applied Sciences, Engineering and Technology (2013) 16:3060-3064 
 [7] How H.G., Masjuki H.H., Kalam M.A., et al., “An investigation of the engine performance, emissions and combustion characteristics of coconut biodiesel in a high pressure common-rail diesel engine” Energy (2014) 69:749-759 


Random manufacturing unit of Petri network and its analysis Assuming a random manufacturing unit is composed of a machine, and: a) the unit will not be material, and will not block; b) a workpiece each only processing, processing time is independent, the machine to perform machining operations after loading the next workpiece; c) machine failures occur only in the machine in the processing, machine failure immediate repair;d) repair after the workpiece for machining the unfinished (another strategy is to give up the workpiece fault occurs and a new workpiece with engineering); e) processing time, machine failure rate and the repair time obeys the random distribution.
A Cancer Journal for Clinicians, 2009, 59( 4) : 225-249
Journal of University of Electronic Science and Technology of China, 2009, 38( 6) : 998- 1000

The Correlation between Play-of-Color Effect and SiO2 Cavities Size of Australian Blue Opal Guo Ying1, Dai Zhixuan2 and Sun Hongjuan 3 1 School of Gemology, China University of Geosciences, Beijing 100083, China 2 Australian Embassy of China, Beijing 100600, China 3 China Building Material Test & Certification Center Co., Ltd, 100024 a guoying@cugb.edu.cn Keywords: Australian Opal, Hue Angle, Dominant Wavelength, SiO2, Cavity Diameter Abstract: Its play-of-color effect of Australian opal makes it unique and much more precious than any other gemstones in the world.
Wray: Australian Journal of Earth Sciences.
Barreau: Journal of Non-Crystalline Solids.

In the further study, better material and more efficient design of the heat exchanger would be researched to make more use of the heat energy of the sea water.
Ship science and technology, 2011(S1):107-110
Journal of naval aeronautical engineering institute,2006(6):657-661
Journal of experiments in fluid mechnacas, 2010(5):17-22.