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In addition, the safe operation of some earth-rockfill dams had been endangered due to the rheology from coarse grain materials.
Chinese Journal of rock mechanics and engineering, Vol.19(2000), p.526 [2] LIANG Jun, LIU Han-long.
Chinese Journal of Geotechnical Engineering, Vol.24(2002), 257 [3] CHENG.
Chinese Journal of Geotechnical Engineering, Vol.26 (2004), p. 473 [4] WANG Mingyuan, HE.
Jiaji: Concrete face rock-fill dam [M], Huazhong University of science and Technology Press. (1993).

Research method and structure Digital teaching material design steps.
According to former science literature’s discussion, this research use instructional system design, ISD, to build digital teaching material, and use step by step method integrate various theories and measures which related to learning activities, and expect that through different teaching media and teaching content could make students obtain more learning result benefit.
According to researching purpose and science literature discuss, and bring up this research’s structure based on reused material as teaching goal.
G., “Potential of computer-supported collaborative learning for learners with different learning styles,” Journal of Technology in Education, Vol. 34, No. 1, pp. 75-85, 2001
S., “E-learning Approach in Teacher Training Turkish Online ,” Journal of Distance Education, Vol. 7, No. 4, pp.123-131, 2006

Kozhukhova, Effect of previously slacked lime on properties of autoclave composite binders, World Applied Sciences Journal. 24 (11) (2013) 1519-1524 [10] A.
Volodchenko, Development of the composition of heat-insulating materials for autoclaved hardening based on clay raw materials, Bulletin of BSTU named after V.G.
Volodchenko, Aluminosilicate raw materials for the production of autoclave finishing materials, Bulletin of BSTU named after V.G.
Netsvet, Cellular composites with ambient and autoclaved type of hardening with application of nanostructured binder, IOP Conference Series: Materials Science and Engineering. 96 (2015) (1)
Baskakov, On the issue of improving the quality of domestically produced building mortars, Research Journal of Applied Sciences. 9 (12) (2014) 1202-1205

Gardea-Torresdey Journal of Vacuum Science & Technology B Vol. 19 (2001) p. 1091
Zhao Applied Physics A: Materials Science & Processing Vol. 78 (2004) p. 703
Jiang Materials Science & Engineering B Vol. 131 (2006) p. 191
Ohring: Materials science of thin films deposition and structure (Academic Press, New York 2002)
Lu Materials Science & Engineering A Vol. 286 (2000) p. 188

Those two materials are alternated at the setup of the stacks.
After cutting and grinding the material flow is determined by the difference in contrast of the two materials.
Due to the fact that in this method different materials are used to allow visualization of the material flow a deviation of the temperature or stress field occurs representing inadequate differences between simulation and experiment.
After partial combined extrusion of the two halves and removal from the container, splitting the deformed billet again reveals the deformed grid showing material flow without the disturbance from using different materials.
Bay, Friction Stress and Normal Stress in Bulk Metal-Forming Processes, Journal of Mechanical Working Technology 14 (1987), pp. 203-223.

Experimental Materials.
Penczek: Progress in Polymer Science Vol. (24)1999, p. 1409 [7] J.
Webser: Science Vol. 251(1991), p. 887 [11] H.
Li: Polymer Materials Science and Engieering Vol. 26 (2010), p. 15 [19] E.
Verbanee: Journal of Polymer Science Vol. 44(1960), p. 303 [21] G.

It is widely applied to corrosion resistance materials, high temperature resistance materials and wear resistance materials, etc.
In general the removal of brittle materials is achieved through the formation, propagation and nucleation of micro-cracks produced by particle impacts.
Che: International Journal of Machine tools & Manufacture 49 (2009) 569-578
Momber: Experimental thermal and fluid science. 2001, 25: 31- 41
Hashish: Journal of Engineering Materials and Technology, ASME. 1989, 111: 221-228

Materials and Methods Materials.
Haron, Graft copolymerization of methyl acrylate onto sago starch using ceric ammonium nitrate as an initiator, Journal of Applied Polymer Science 76 (2000) 516-523
Kawashima, Adsorption of bile acid by chitosan salts prepared with cinnamic acid and analogue compounds, Journal of Biomaterials Science, Polymer Edition 17 (2006) 781-789
Sen, A novel biodegradable cinnamic acid grafted carboxymethyl cellulose based flocculant for water treatment, Materials Science Forum 875 (2016) 156-166
Picchioni, Polymeric surfactants for enhanced oil recovery: A review, Journal of Petroleum Science and Engineering 145 (2016) 723-733

The design of the piezoelectric film is relatively easy, the piezoelectric ceramic materials with appropriate thickness, appropriate performance is designed according to the cavity’s resonant frequency, The back of the circuit is relatively easy to handle, as the Piezoelectric material’s pressure disappears, the charge will disappear, there will be no voltage, To take advantage of the piezoelectric material to generate electricity, the piezoelectric ceramic chip is in parallel with a capacitor, The value of capacitance is selected according to the performance of piezoelectric ceramic materials and the voltage required by the behind circuit, then, a low-power DC-DC converter is followed to get a constant voltage.
Journal of Detection & Control, 2008,30 (02).1-4.in Chinese
Journal of Detection & Control, 1994. (01).8-13, in Chinese
Journal of Nanjing University of Science and Technology,1999,.23 (05).418-421, in Chinese
Engineering Science,2005,7 (01).27-32, in Chinese

So, we add some plasticizers in high-molecular materials to improving the mouldability and physical mechanical properties.
And we can conclude through SEM that the texture of materials which plastifying PVC are different.
The polymer chain keep entangling with each other and the materials have higher breaking strength and elongation at break.
Synthesis of MPEG-PCL Diblock Copolymer and Its Plasticization to PVC[J].Polymer Materials Science & Engineering,2009,1(25):27-30”In Chinese”. [18] Jingbo Yin, Xiaochun Lu, Yanlin Cao.
Polymer Materials Science & Engineering, 2008.1, 1(24):151-154”In Chinese”