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This includes using standard fasteners, reducing the quantity and variety of fasteners, avoiding long disassembly paths and awkward access, decreasing the difficulty of disassembly joint, and saving from adhesive or welding different materials, etc.
Material recycling is to minimize the price separation of different materials with the highest degree; maintenance is emphasized on reducing downtime and costs.
The process of sorting.By perspective from product material, especially complex mechatronic product need, in order to improve efficiency of the separation of parts, and reduce the types of raw materials used.
Acknowledgment The authors gratefully acknowledge the support of National Natural Science Foundation of China (Grant No.70771089) and Humanities and Social Science and Management Revitalization Program of Northwestern Polytechnical University (RW200819).
Gardiner, “An Integrated Design Strategy for Future Manufacturing Systems,” Journal of Mfg.

China 2 the Fund of Key Laboratory of Advanced Functional Materials of Sichuan Province, Sichuan Normal University,Chengdu 610066, P.
Experimental Materials.
Acknowledgements This research was financially supported by the National Natural Science Foundation of China (51079166 and 51173122), the Youth Fund of Sichuan Ministry of Education (09ZB063), and the Foud of Key Laboratory of Advanced Functional Materials of Sichuan Province(KFKT2010-05).
Poels, et al: Journal of Catalysis.
Liao, et al: Journal of Molecular Catalysis A.

Formaldehyde is widely used as a base chemical material to manufacture building materials and numerous household products in many industrial processes with approximately ten megatons produced per year [2,3].
Materials and solutions A 100mg/L standard stock solution of formaldehyde was purchased from National information center for Certified Reference Materials. 2,4-dinitrophenyl-hydrazine (DNPH), Chromatographic grade acetonitrile, methanol and acetic acid were purchased from Sigma-Aldrich (St.
The Science of the Total Environment 302, 211–226
Journal of Separation Science, 30 (2007), 2708–2718
Journal of Chromatography B, 753(2001): 253~257

The useful life of the cutters, the quality of machining the work pieces and the efficiency of the cutting process are all affected by the structure of the cutters, the materials and the geometry of the cutting edge.
Cheng kai finished the dynamic finite element simulation of the homogeneous materials and advanced accurate turning process, used different cutting parameters to implement some groups of simulation so as to get the cutting force, the straining and the distribution of the temperature field.
Cutter’s material characteristics.
[5] Honghuo Chen,The basic and application instance of MSC.Marc/Mentent2003(Science Press, China 2004).
Chinese journal of mechanical engineering 1999(In Chinese)

(Eq. 12) · The cost of the material: .
(Eq. 14) where: M = cost of the materials, [lei/buc]; j = index of the workshop; = expenditure with direct labor for the section “j”, [lei/pcs]; = overheads for section “j”, [%]
Management science, 39(5), 1993, Pages: 549 – 567
International Journal of Production Research, 37(4), 1999, Pages: 917 – 937
Journal of Materials Processing Technology, 146(3), 2004, Pages: 365 – 376

Methods and materials The two kinds of materials were employed in the experiments.
Using conventional TMCP technology, in the range of deformation temperature, namely 800°C ~ 950°C, the material strength is improved owing to the carbonitride of Nb induced by deformation.
When the high rate cooling is ended, the separate-out in large quantity, tiny state and diffusion within the ferrite crystal makes the base of ferrite be strengthened, thus the strength of material is substantially improved.
Controlled Rolling and Controlled Cooling of Steel(Metallurgical Industry Press, Beijing2009) [3] Yanmin Zhou: Wide and Heavy Plate Vol.13(2007),:P.15 [4] Guodong Wang, Xianghua Liu and Di Wu:Steel Rolling, Vol.23(2006),P.1 [5] Guodong Wang: Journal of Northeastern University(Natural Science),Vol.30(2009),P.913 [6] Guodong Wang and Shengji YAO: ANGANG Technology,Vol.6(2009),P.1 [7] Genji Wang, Jing Li and Yuanchun He:Iron and Steel,Vol.44(2009).P.60 [8] Jing Li, Dewen Zhao and Xianghua Liu: Journal of Iron and Steel Reasearch,Vol.22(2010),P.9 [9] Jing Li, Dewen Zhao and Linxiu Du.
Journal of Northeastern University (Natural Science),Vol.29(2008),P.343

Introduction Concrete has been one of the most widely used materials in Engineering due to its characteristics of easy to cast in field, high strength (Tang 1998) [1].
Additives tests for eco-concrete Test principle and materials.
Eco-concrete is a structure composed of water, cementitious materials (e.g. cement), coarse aggregate in a certain proportion.
China Building Materials, No.11 (1998), pp. 36-38.
Chinese Journal of Rock Mechanics and Engineering.Vol.20, No.2 (2001), pp.239-242.

Semi-analytic solutions of dynamic response of pavement plate on the elastic foundation Caiqin Cao1, a, Chao Gao2, b and Yi Huang3, c 1, 2, 3School of Science, Xi’ an University of Architecture and Technology, Shanxi, Xi’ an, 710055, P.
For the foundation, values of the corresponding material parameters are 0.4, 1755kg/m3 and 0.343GPa.
Journal of Southeast University, 1989, 19 (6): 55- 60, (In Chinese)
Chinese Journal of Applied Mechanics, 1997, 14 (2): 72-78.
Journal of Chang’ an University. 2007, 27 (2): 71-75, (In Chinese).

Mechanism of material removal in ball end magnetorheological finishing process, Wear, 2013, 302(1-2)1180-1191
Theoretical analysis of forces in magnetorheological fluid based finishing process, International Journal of Mechanical Sciences, 2012, 56(1)50-59
Design and development of the magnetorheological abrasive flow finishing (MRAFF) process, International Journal of Machine Tools and Manufacture, 2004, 44(10) 1019-1029
Experimental investigations into forces during magnetorheological fluid based finishing process, International Journal of Machine Tools and Manufacture, 2011, 51(4) 358-362.

New Concrete with Recycled Aggregates from Leftover Concrete Ofelia Corbu1,a, Attila Puskás 1,b , Andrei Victor Sandu 2,4,c , Adrian Ioani 1,d, Kamarudin Hussin3,4,e and Ioan Gabriel Sandu2,f 1Faculty of Civil Engineering, Technical University of Cluj-Napoca, Romania 2Gheorghe Asachi Technical University of Iasi, Faculty of Materials Science and Engineering, Blvd.
Steopoe, The use of materials in construction debris, Bucharest, 1946
Volume 12, The Romanian Economic Journal, Bucharest, i:33, (2009) 141-160
Borzan, Development of Environmental Technology for Carbon Fibre Reinforced Materials Recycling, Materiale Plastice (Bucharest), 50, 2 (2013) 79-93
Akmal, Influence of recycled concrete aggregates on strength properties of concrete, Construction and Building Materials, 23 (2009) 1163–1167 [22] ***, SR EN 1008:2003, Mixing water for concrete.