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HZMMA, carbon black N774, morphological structural change of HNBR composites with enhanced during the curing process, and relationships with mechanical properties of this material were investigated using IR, TEM, and XRD. 1 Experimentals 1.1 Materials.
Acknowledgement: This research work was funded by the Australia-China Natural Gas Technology Partnership Fund, Shandong provincial nature science fund (ZR2013EMM007) and Qingdao science and technology project (13-1-4-147-jch） References [1] Zhang F., Guo Q.
European Polymer Journal, 2005, 41(3): 577-588 [7] Lu Y.L., Liu L., Tian M., et al.
European Polymer Journal, 2005, 41(3): 589-598 [8] Li Q., Zhao S.H., Zhu L.L.
Journal of Applied Polymer Science, 1994, 53(1): 103-120 [14] Wang Y.H., Peng Z.L., Zhang Y., et al.

Ko: Composite Materials: Testing and Design(Seventh Conference), ASTM STP 893(1986), p.392 [2] C.L.
Chou: Composite Materials: Testing and Designing (Seventh Conference), ASTM STP893(1986), p.404 [3] J.M.
Yang, C.L Ma, Chou T W: Journal of Composite Materials, Vol. 20(1986), p.472 [4] H.Y.
Wu: Composite Science and Technology, Vol. 56(1996), p.1 [6] L.
Choy: Composite Science and Technology, Vol. 59(1999), p.391 [7] L.

And the max vertical speeds of different materials are deduced.
Finally the max vertical speeds of regular tetrahedrons composed by different materials are estimated.
The result about the max vertical speed of tetrahedrons composed by different materials is helpful to evaluable the impact effect of falling objects on the groundwork under water.
This study is financially supported by Yichang Science and technology research and development projects, No.
Journal of Fluid Mechanics, 37(4): 725-750, 1969 [4] Xiong X.F., You S.Y., Dynamic analysis for process of objects falling into water [J].

ACI Materials Journal Vol. 97(2000), p.168 [3] H.W.
Journal of Hazardous Materials.
Society of Materials Science vol.48(1999) p.882 [9] P.
Journal of Materials in Civil Engineering Vol. 15(2003), p.134 [10] V.
Construction and Building Materials Vol. 17 (2003), p.147

Among various magnetic thin film materials, NiFe alloys of a range of chemical compositions, from Ni-rich permalloy to Fe-rich invar, are of great interest.
Coddet: Journal of Materials Science & Technology Vol. 29 (2013), p.757 [20] K.
Pak: Materials transactions Vol. 48 (2007), p.3132 [23] X.
Yuttanant, Advanced Materials Research, Trans Tech Publ, 2014, pp. 709
Yan: Materials Characterization Vol. 48 (2002), p.153 [30] X.

This emerging technology is increasingly used in practice for different kind of materials to serve various purposes.
As a result, the embodied energy of various materials is transformed into equivalents of coal.
IOP Conference Series: Material Science Engineering (2017) 225 012186
Mittal, Optimization of cutting parameters to improve surface roughness of Al1070 in turning operation using Taguchi method, International Journal of Engineering Sciences & Research Technology (2016) pp. 1324-1329
Chauhan, Effects of cutting parameters on aluminium alloys-A review, Materials today: Proceedings, Vol 47(13), pp. 3823-3827 (2021)

Experimental Materials.
Graph of granular distribution of theboron mud Results and Analysis Raw Materials Analysis.
Acknowledgements The Project Supported by National Natural Science Foundation of China No. 51204037.
Research on the Composition and Property of boron mud[J],Applied Mechanics and Materials,2013,295-298:1547-1549
Journal of Hazardous Materials 161(2009):148-156

Mechanism research Using cavity expansion theory, the elastic-plastic solutions of expansion problem of Coulomb material circular hole are available as follows.
Geological material parameters as shown in table 1.
Table 1 Parameters of materials No. materials E(MPa) (KN/m3) C(MPa) () 1 silty clay 28.0 0.28 1530 45 30.0 2 lining 3450 0.17 2540 Fig. 1 The numerical calculation model and meshes Computational simulation procedure In order to study the influence of shield tunnel backfill grouting pressure, revealing to the plastic deformation, stress and surface subsidence of tunnel surrounding rock, in the process of simulation set 6 kinds of state of grouting pressure to reveal the mechanism of grouting.
Acknowledgements This work was financially supported by China Postdoctoral Science Foundation (No. 20100480647) ; and Hebei construction science and technology research projects (2010-246).
International Journal of Rock Mechanics & Mining Sciences, 2002, (39): 905-916 [2] Xie Zitao, Jiang Yusheng; Liu Pin, Numerical Simulation Study on Surface Settlement and Surrounding Rock Deformation Caused by Backfill Grouting Pressure in Shield Tunneling.

Relative to the materials research, the research of structures is backward, especially the research on bearing capacity of prestressed concrete structure under high temperature.
Then the capability of various materials should be found out by the indicative temperature.
First, the temperature of various materials that correspond to different combustion duration is found out, and then the material strength at specific temperature is calculated.
[6] Wu Bo, Liang Yuehuan: Journal of South China University of Technology(Natural Science Edition), Vol. 36 (2008)
[7] Li Wei, Guo Zhenhai: Journal Of Building Structures, Vol. 14(1993)

Sathya, Simple and Cost Effective Environment Monitoring System, International Journal Of Engineering Sciences & Research Technology, [Dhodapkar, 3(2): February, 2014], ISSN: 2277-9655
Shamil, Turbo Intercooler Cooling System, International Journal of Engineering Science Invention ISSN (Online): 2319 – 6734, ISSN (Print): 2319 – 6726 www.ijesi.org, Volume 4 Issue, 1, January 2015, PP.49-56
Riyaz Ahammed, R.Hushein, Shaik.Shabbeer, Low Cost Data Acquisition From Digital Caliper To PC, IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163, pISSN: 2321-7308
[10] N., A., Noda, Hendra, M., Oosato, K., Suzumoto, Y., Takase, and Wenbin LI, Strength Analysis For Shrink Fitting System Used For Ceramics Rolls In The Continuous Pickling Line, Key Engineering Materials Vols. 462-463 (2011) pp 1140-1145 [11] S.
Khamurunnisa, Jayanth Thota, Khalesha Shaik, Arduino Based Automatic Plant Watering System, International Journal of Advanced Research in Computer Science and Software Engineering 4(10), October - 2014, pp. 449-456, ISSN: 2277 128X, Available online at: www.ijarcsse.com.