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Relativity analysis on the detection methods of compaction degree for expressway subgrade Gui-juan ZHAO School of Architecture and Civil Engineering, Xi’an University of Science and Technology, Xi’an 710054, China guijuanzhao@126.com Keywords: Expressway;Subgrade;Compaction degree;Tetection;Sand cone method;Cutting ring method;Nuclear density instrument method;Drop hammer frequent measuration.
In addition,cutting ring method has narrower applicable, and it can't use in stabilized soil containing aggregates or loose materials.
Acknowledgement Fund project:Cultivation fund project of Xi’an University of Science and Technology（2010037） Summary Phone number:13571911645;13325466496 E-mail：guijuanzhao@126.com References [1] Fan Sheng-wei,Sun Li-da.Compaction Degree Detection of High Viscous Clay Building Roadbed.
Journal of shandong traffic university,Vol.15(2007),p.62-65 [2] Wei Chen.
[7] Wen Ming-cai,Gong Zai-qing.The Roadbed Compaction Degree Testing Methods and Equipment Research.Journal of Hunan City University.Vol.19 (2010),p.6-8

Metallurgy and Material Science, Ghent, Belgium 2 ArcelorMittal Research Industry Gent, JF.
We measure the damping caused by the movement of defects when a stress is applied (Internal Friction, Q -1), or more specifically, the tangent of the phase lag between an applied torsional stress and the response of the material.
Science Forum.
Houbaert: Journal of Magnetism and Magnetic Materials.
Verrijp: Journal of the iron and steel institute, January (1954), p. 24-27

Materials and Methods Materials Extracted bovine Bone Morphogenetic Proteins mixture(BMPs)was a kind gift of Tianjin Zhongjin Biological Development Co., Ltd.
Acknowledgements This project is financially supported by the National Science Foundation of Tianjin, China (09JCYBJC14100); and the National Natural Science Foundation of China (NSFC11072266).
References [1] EH Groeneveld, EH Burger: European Journal of Endocrinology Vol. 142(2000),p.9 [2] GB Wei, QM Jin, WV Giannobile, PX Ma: Biomaterials Vol. 28 (2007),p.2087 [3] Gautschi OP, Frey SP, Zellweger R.
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Influence of Electron Beam Pulsed Times on the properties of 40Cr Yuan Fang CHen1,2,a, Xiao Dong Peng1,b, Jian Jun Hu2,c, Hong Bin Xu2,d,Han Chao2,e 1school of Materials Science and Engineering, Chongqing university, Chongqing ,China 2school of Materials Science and Engineering, Chongqing university of technology, Chongqing China achenyuanfang@cqut.edu.cn;bpengxiaodong@cqu.edu.cn;chujianjun@cqut.edu.cn;dxuhb@cqut.edu.cn; ewoshihah_7676@qq.com Keywords: HCPEB, microstructures, roughness, hardness, wear resistance，corrosion resistance Abstract.
Experimental Materials and processing .The samples of 12mm×19mm×12mm (L/ W/ T) of 40Cr die steel with composition(wt.%) were used: C−0.40, Si−0.23, Mn−0.7, Cr−0.8,Ni≤0.30and Fe balanced.
The investigated materials were treated by radiating HCPEB, which details on the parameters are shown in Table 1.
Acknowledgements The work has been supported by the national natural science fund Project No:50775229 and Chongqing national natural science fund Project No:2008BA3014.
References [1]XU, Zhengdong, HUANG Donghao, Journal of Materials Sci&Eng,Vol,37,NO.1: PP (2005) [2]Daniel Aronova, Gil Rosen man, Surface Science, Volume 601, Issue 21, 1 November 2007:5042-5049 [3] P.

The cells covered most of the surface of both materials.
Islamgaliev, et. al., Bulk nanostructured materials from severe plastic deformation, Progress in Materials Science 45 (2000) 103-189
Sakai, Novel ultra-high straining process for bulk materials-development of the accumulative roll-bonding (ARB) process, Acta Mater. 47 (1999) 579-583
Journal of Biomedical Materials Research B: Applied Biomaterials 100B (2012) 185-196
A Representative Of A New Class Of Materials: Nanograined Metallic Glasses Showing Unique Properties, AIP Conference Proceedings 1518 (2013) 682-687.

Baptista: Materials Science and Engineering A Vol. 363 (2003), p. 297
Ward-Close: Materials Science and Technology, Jul/Aug, Vol. 16 (2000), p. 753
Langdon: Progress in Materials Science Vol. 51 (2006),p. 881
Suryanarayana, Progress in Materials Science Vol. 46 (2001), p. 1
Nunes: Journal of Metastable and Nanocrystalline Materials Vol. 20-21 (2004), p. 150

Materials Science Forum. 981. 3-10, 2020
Series: Materials Science and Engineering 290, 012043, 2018
Journal of Materials Science, Springer, 42, pp 6036-6040, 2007
Advanced Materials Research, 576. pp. 203-207, 2012
Key Engineering Materials, 181-182, p.231, 2000

Considering that the impact of self-media network public opinion on users and the absorption of heat by materials are similar, we introduce thermal equations in order to simulate and formalize the impact of self-media network public opinion on users.
When the ambient temperature changes, the material absorbs or releases heat.
Journal of Consumer Research,2007,24(7)441-458
Information Sciences,2015, 295(12)18-32
Journal of Network and Computer Applications,2016, 31(9)1-11

Most of these printed materials appear to be highly weldable based on studies.
Experimental Test materials.
The measured mechanical properties of the test materials are shown in Table 4.
Measured mechanical properties of the test materials (AISI 316L).
Molian, Weldability of advanced high strength steels using an Yb:YAG disk laser, Journal of Materials Processing Technology, 211 (2011) 1888-1897

However, integration into optical or electrical devices has been minimal, largely because of the incompatibility of these materials with standard silicon-based device processing.
This deviates somewhat from the value determined using the analysis of the full I-V curve but is still in good agreement given the limited prior knowledge of materials system.
The Voc of 370 mV attained on comparable material highlights the photovoltaic potential of this materials system.
Glunz, A membrane device for substrate-free photovoltaic characterization of quantum dot based p-i-n solar cells, Advanced Materials, 24 (2012) 3124-3129
Janz, Identification and tackling of a parasitic surface compound in SiC and Si-rich carbide films, Materials Science and Engineering: B