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The study of polymer rheology, on one hand can provided rich information of materials processing, on the other hand it is also an important method to study the structure and property of polymeric materials.
Experiment 2.1 Experiment material The experiment materials are polyester (PET), PET/10% 9,10-dihydro-10[2,3-di-(hydroxy carbonyl)propyl]-10-phosphaphenanthrene-10-oxide ( DDP), PET/10%DDP/3%BaSO4, and PET/10% DDP/5% BaSO4.
Acknowledgement This work was financially supported by Shandong Provincial Natural Science foundation item(NO.Y2007D55).
European Polymer Journal. 2007, 43:980-988 [2] Wang C S, Lin C H.
[6] M.Yang, C.Zhao, J.Wang, Y.Wang: Journal of Flame-retardant Materials and Technology6 (2008)3

The strain in a material is typically defined as the amount of deformation relative to its original shape.
Mroz, Finite element analysis of deformation of strain‐softening materials, International Journal for Numerical Methods in Engineering.
Ameyama, Deformation behavior analysis of harmonic structure materials by multi-scale finite element analysis, Advanced Materials Research.
Tuchinda, Computational study of excitation controlling parameters effect on uniform beam deformation under vibration, International Journal of Engineering.
Tuchinda, Development of temperature-strain prediction based on deformation-induced heating mechanism in SCM440 surface cracked shaft under ultrasonic excitation, International Journal of Engineering.

Simulation Model Material Behavior and Damage Laws.
Advanced Materials Research Vols. 102-104 (2010), p. 12-16 [4] Z.L.
Advanced Materials Research Vol. 426 (2012) , p. 265-269 [5] Mohammadpour M, Razfar M R, Jalili Saffar R.
Computational Materials Science. 2011, 50(10): 3016-3025
International Journal of Machine Tools and Manufacture. 2003, 43(6): 573-587.

Today science, 2010(3):36-38
Journal of Hefei University(NATURAL SCIENCE EDITION),2010 (04):11-14
Material management information of colleges[J].
Journal of Mudanjiang Normal College (NATURAL SCIENCE EDITION).2009 (03):26-28 [9] Yuan Chunhong.
Today’s Science,2008 (14):71-73

Journal of Applied Psychology, 94(5) (2009) 1103–1127.
International Journal of Industrial Ergonomics 76 (2020) 102902.
International Journal of Industrial Ergonomics 83 (2021) 103140.
International Journal of Academic Research in Business and Social Sciences, 12(10) (2022).
IOP Conference Series: Materials Science and Engineering 982(1) (2020) 012051.

Design of chair needs to use knowledge about physiology, surveying, mechanics, psychology, aesthetics, materials science, marketing as well as mechanical engineering and other related disciplines so that the product design really reflects on care for people and the natural environment which is perfect and harmonious combination of man, products and environment.
In conditions of not changing the chair's surface shape, materials as well as elasticity, body pressure distribution can be changed by adjusting backrest inclination, the surface and the height to make a more comfortable sitting gesture.
The elastic supporting structure used in the chair designed by Shi Zhenyu is a new type of glass fiber materials, being inconspicuous in memory than steel materials, so there is no fatigue basically.
Similarly, the cushion materials need to meet the cooling performance and ventilation.
Journal of Central South University of Forestry and Technology, (2010) No.5.p.22-24

According to Orawon fracture theory, for materials, plastic deformation occurred ahead of the crack tip accompanied by crack growth.
Materials.
Journal of rare earths，26 (2008), p298-302 [5] Z.Yang, J.P.Li and Y.C.Guo.
Deformation and rapture of materials (Tongji University press, China 1989)(in chinese) [12] Guo Jianting.
The basic theory application of High-temperature alloy materials science (Science press, China 2008) (in chinese)

The Research on Rest Space of Campus in Landscape Design Yong Zhang Huanghe Science and Technology College, Zhengzhou, China 191788284@qq.com Keywords: rest space, landscape building, cultural atmosphere Abstract: The colleges’ and universities’ campuses are places which function in teaching and living.
Meanwhile, they should make it as a miniature of campus material civilization, which in some degree reflects the cultural and spiritual connotation so as to design a campus environment of new era full of cultural atmosphere.
Introduction At current, the colleges’ and universities’ environments have integrated the material and spiritual culture.
Thus make the theory to be examined in practice and enable the students to grow up in internship, drive and inspire the healthy prosperity of material and spiritual civilization.
Nowadays, the teaching ideas in universities and colleges lay much emphasis on going steps and steps with the society, no matter in material or in psychological sides.

Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 60934009) and “948” Item of Ministry of Water Resources (Grant No. 201124).
[5] W.Zhang, S.M.Zhang: Chinese Journal of Geotechnical Engineering Vol. 20 (1998), p. 98-101, In Chinese
Li: Chinese Journal of Geotechnical Engineering Vol. 32 (2010), p. 999-1004, In Chinese
[7] Z.J.Shen: Chinese Journal of Geotechnical Engineering Vol. 28 (2006), p. 256-259, In Chinese
[8] C.R.He, G.F.Yang: Chinese Journal of Geotechnical Engineering Vol. 24 (2002), p. 170-174, In Chinese

In this study, geometrical and material non-linearity buckling analysis is carried out by ANSYS.
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Science and Technology of Overseas Building Materials, 2007,28(3):119-122 (in Chinese) [5] F.
Journal of South China University of Technology (Natural Science Edition), 2003, 31(suppl):26-29 (in Chinese) [6] Q.J.
Structural design of latticed shell of Yulin Science and Technology Museum, Building Structure, 2010, 40(12):86-88.