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Soft materials were prepared by adding 90% ethanol solution by the wet method.
The soft materials were dried at 50℃ for 3h, ground and got the controlled-release powders.
Wu: Advanced Materials Research.
Bi: Advanced Materials Research.
Song: Advanced Materials Research.

Adaska, C., State-of-the-art report on soil-cement, in ACI Materials Journal. 1997, ACI Committee 230.1R-90
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ASTM, American Society for Testing and Materials (ASTM).

To qualify the process for the production of forging tools, different materials were chosen.
To process the chosen materials, three different strategies will be investigated.
Czaja, Surface quality in selective laser melting of metal powder, Archives of Materials Science and Engineering, Vol. 60, Issue 2, OCSCO World Press (2013) 87-92 [2] D.E.
Miani, Design and optimisation of conformal cooling channals in injection moulding tools, Journal of Materials Processing Technology 164-165 (2005) 1294-1300 [3] B.
Aspinwall, Rapid machining of hardened AISI H13 and D2 moulds, dies and press tools, Journal of Materials Processing Technology (2003) 301-311

Fujita, et al.[2] propose modeling the total cost for production costs including: (1) Research and development cost, (2) facility cost, and (3) material and processing cost.
Acknowledge This work was supported by the National Natural Science Foundation, China (No. 70772093).
Simpson: International Journal of Production Research, Vol. 43 (2005) No. 4, pp. 731-772
Simpson: International Journal of Production Research, Vol. 45 (2007) No. 22, pp. 5285-5308
Simpson: International Journal of Production Research, Vol. 48 (2010) No.11, pp. 3299-3317.

Generally, the hard-brittle materials with good ductility have obvious fatigue striations appearance characteristic by SEM.
Journal of Materials Processing Technology, 2006, 177:469-472
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Fatigue of Engineering Materials and Structures (2) (1979) 129-138
Journal of plasticity engineering 14(1) (2007) 66-71
Fracture and fatigue of metal material.
Chinese journal of applied mechanics 12(1) (1995) 25-32
[8] Aerospace Industry Ministry of science and Technology Committee.

(6) The jet impact angle related in above formulas is in range of , F is a parameter related to the flow conditions, downstream water cushion depth and nature of the anti scour materials.
:Chinese Journal of Theoretical and Applied Mechanics Vol.30, No.01(1998), p. 35-42,in chinese
[5] WEN-XIN HUAI: Journal of Hydrodynamics No.01(2010),p. 58-65
High-speed flow(Science Press, Beijing 2005), in chinese
[9] Liu peiqing, Li Futian: Journal of Hydraulic Engineering No.10(2001), p. 38-43, in chinese

Pipes are grouped by their characteristics such as ages, materials and diameters.
Pipes are divided into 36 groups by their materials, ages and diameters.
Urban Water Journal, Vol. 6 (2009), p. 3–22
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Journal of Hydraulic Engineering, Vol.133 (2007), p.927–936.

By being located at the beginning of the forward flow of materials within an organization, purchasing is placed in an advantageous position to implement resource reduction activities (Carter,Ellram and Ready,1998).
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Health and Human Science, Cincinnati, Ohio 1983)
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