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Analysis of the Deformation State of Different forms of Guardrails Wen-wen TANGa, Huan-wen SHIb, Fu-she YANGc, Kai YANGd School of Science, Chang’an university, xi’an,shan xi,China avavoo1989@163.com, b68096193@qq.com, c1322540900@qq.com,d704063193@qq.com Keywords:guardrail,deformation,finite element ,ANSYS.
Reference [1] The ministry of communications highway science institute,JTG/T F83-01-2004 Highway guardrail safety performance evaluation standard [2] The ministry of communications highway science institute,JTG/T T D81-2006 The design of highway traffic safety rules [3] Hampton, C.
Crash performance of strong-post W-beam guardrail with missing block outs, International Journal of Crashworthiness 17(1): 93–103
Performance limit analysis for common roadside and median barriers using LS-DYNA, International Journal of Crashworthiness 16(6):691-706
Design of motorcyclist-friendly guardrail using finite element analysis, International journal of Crashworthiness 13(5):567-577

A Method to Forecast the Dynamics of Express Delivering Quality Elements Classification Based on GM(1,1) Model Wen Meng1,a*, Yuqi Han1,b, Qingliang Meng2,c 1 School of Management &Economics, Nanjing University of Science and Technology, 210094, Nanjing Jiangsu, China 2 School of Management &Economics, Jiangsu University of Science and Technology, 212003, Zhenjiang Jiangsu, China amengwennjust@163.com, bhanyq45@163.com,cmengzhi007@163.com Keywords: Kano model; Quality elements classification; GM(1,1) model; Express industry.
[2] Martin Löfgren, Lars Witell, Two Decades of Using Kano's Theory of Attractive Quality: A Literature Review, in: The Quality Management Journal, 2008, pp. 59-76
[4] Nilsson-Witell, Anders Fundin, Dynamics of service attributes: a test of Kano’s theory of attractive quality, in: International Journal of Service Industry Management, 2005, pp. 152-168
[5] Hendry Rahario, Dealing with Kano Model Dynamics: Strengthening the Quality Function Deployment as a Design for Six Sigma Tool, in: Journal Technique Industry, 2007, pp. 15-26
[6] Sifeng Liu, Yaoguo Dang and Zhigeng Feng, Grey system theory and its application, Science Press, Beijing, 2010

Wang, Obtaining information based on push technology, Journal of the China Society for Scientific and Technical Information, 19(2000)363-368
Feng, A model of customer-oriented knowledge-sending, Chinese Journal of Management, 4(2007)570-574
Yin, Approaches to knowledge reduction of covering decision systems based on information theory, Information Sciences, 179(2009)1694-1704
Zhang, Approaches to knowledge reduction based on variable precision rough set model, Information Sciences,159(2004)255-272
W, Variable precision rough set model, Journal of Computer and System Sciences, 46(1993)39-59.

Carbonate Raw Materials Substitution Technology.
Carbide slag and silicium-calcium slag can be used as calcium raw materials to replace silicate raw materials to produce cement, which has significant environmental and social benefits.
[2] Federico Orsini, Paola Marrone, Approaches for a low-carbon production of building materials: A review, Journal of Cleaner Production, 241 (2019) 1-14
[8] LIU Jing, WANG Lan, Instance analysis on application of alternative materials to reduce CO2 emissions from cement industry, New Building Materials. 007 (2017) 97-99
[13] Building Materials,china Building Materials, LC~3——A new type of low-carbon cement, Jiangsu Building Materials, S2 (2019) 129

Bott 3,c 1 Pontifical Catholic University of Rio de Janeiro, Materials Engineering Department, R.
Maracanã 229, Bl E, 506–Maracanã CEP 20271-110 Rio de Janeiro, Brazil 3 Pontifical Catholic University of Rio de Janeiro, Materials Engineering Department, R.
King, Effect of Cooling Rate on Intercritically Reheated, Materials Science and Technology, 9(1993), 8-15
[6] Peyman Mohseni, Brittle and Ductile Fracture of X80 Arctic Steel, PhD Thesis, Norwegian University of Science and Technology, Faculty of Natural Sciences and Technology, Department of Materials Science and Engineering, Trondheim, October 2012 [7] Y.
Ivey, Estimation of Cooling Rate in the Welding of Plates with Intermediate Thickness, Welding Journal, Supplement to the Welding Journal, October 2005, 149 –s - 155 –s

Evans, The out-of-plane compressive behavior of metallic honeycombs, Materials Science and Engineering: A 380 (2004) 272–280
Sypeck, Cellular truss core sandwich structures, Applied Composite Materials 12 (2005) 229–246
Das, A review on manufacture of polymeric foam cores for sandwich structures of complex shape in automotive applications, Journal of Sandwich Structures & Materials 24 (2022) 789–819
Lee, Compressive behavior of aluminum/copper hybrid foams under high strain rate loading, Materials Science and Engineering: A 592 (2014) 111–120
Wadsworth, Effect of cell morphology on the compressive properties of open-cell aluminum foams, Materials Science and Engineering: A 283 (2000) 105–110

Construction factors contain the local available materials, construction period and construction quality.
Users’ factors contain the traffic disturbing from constructing, the driving conformability, the driving safety, and the environmental factors contain noise, attractive appearance, reflection, the environmental protection of materials.
Acknowledgement The authors sincerely appreciate the funding support of the Science Technology Department of Zhejiang, China (2013C33023) and the Natural Science Foundation of Zhejiang, China (LY12E08002).
Lee: Journal of the Transportation Research Board, Vol. 2285 (2012), pp.36-46
Abaza: Journal of Transportation Engineering, Vol. 128 (2002), pp.542- 549

Construction and Building Materials.
Construction and Building Materials.
ACI Structural Journal.
Construction and Building Materials.
Construction and Building Materials.

Optimization of Injection Molding Process Parameters with Material Properties Based on GA and BP Xiaohong Tan1,2, a, Leigang Wang1,b ,Wenshen Wang1,2,c 1 School of Material Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China 2 Office of Die Teaching and Research, Zhejiang Industry & Trade Polytechnic, Zhejiang, 325003, China aseafairy@163.com, b lgwang@ujs.edu.cn, chnwzwws@163.com Keyword: Genetic algorithm (GA)；Neural network algorithm (BP)；Injection molding process optimization；The axial deformation Abstract: To obtain optimal injection process parameters, GA was used to optimize BP network structure based on Moldflow simulation results.
Once material and mold structure are determined, the molding process parameters come to be the only factor which affect the quality of plastic parts.
In this paper, using GA, the input variables required by BP are optimized selected, so that the prediction performance of the model can be improved. 1 Experimental Design 1.1 3D modeling of the axial deformation analysis In this study, PP –Globalene 6331 material for deformation are used.
Yamagata, A study on optimal compensation cutting for an aspheric surface using the Taguchi method, CIRP Journal of Manufacturing Science and Technology 3 (2010) 40–48

The TEM images taken at different milling time allowed us to follow the morphology of the materials at different stages.
The coercivity decreases with increasing temperature, for milling times <16 h and for temperatures over 550 °C the materials must be very mild magnetically.
Journal of Nano Research, doi:10.4028/www.scientific.net/JNanoR.38.114. (2016)
Coey, Magnetic materials, Journal alloys and Compounds, 326 (2001) 2-6
[15] Masafumi Chiba, Hideki Hotta,TohruNobuki,Atsushi Sotoma, Toshiro Kuji, Microstructure dependence of the magnetic properties in fine Mg-Tm (Tm: Co, Fe) particles by using a mechanical alloying technique, Journal of Magnetism and Magnetic Materials (2007).