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Journal of Building Structures, 2007, 28(6): 100-109 [2] Soetens F.
The Minerals, Metals & Materials Society, 2007, 61-72 [8] Torsten Höglund.
Journal of the Japan Welding Society, 2003, 72(1): 53–57 [20] Johan Maljaars.
Building Science, 2009, 25(1): 78-81 [24] LI Jiqin, BAN Huiyong, SHI Yongjiu, etc.
Tsinghua Science and Technology, 2010, 15(5): 566-573

Present study is helpful for analyzing the fatigue damage of engineering materials and structures.
So fatigue and damage of composite should be paid more attention like other materials.
The material parameters c, s and n are taken as 2×10 -9, 3, 0.2 respectively in the present study.
Acknowledgements Funding for this work is supplied by the National Nature Science Foundation of China (No. 50678059) and by the Scientific Research Project of Hebei Education Department (No.2005211).
Zhou: European Journal of Mechanics A/Solids Vol.25: 808-818(2006) [14] Y.

Materials and methods The material used for the test is the industrial carburizing steel 16Cr3NiWVMoNb.
Gottshtein, Physical Foundations of Materials Science, Springer-Verlag, Berlin Heidelberg, 2004
Gerasimov, Materials Science, INFRA-M Publ., Moscow, 2012
Pakhomova, Efficiency of the plastic deformation hardening, Deformation and Fracture of Materials. 1 (2007) 17-20
The Deformation Hardening of carburized steel, The 1-st International Conference «Deformation and Fracture of Materials». 1 (2006) 19

Acknowledgments This work is financially supported by the National Natural Science Foundation of China (Grant No. 10672185).
Metallic materials instrumented indentation test for hardness and materials parameter[S]
MA.: Principles of measuring mechanical properties of materials by instrumented indentation “In Chinese”.
SONG. : Development of macro-indentation tester with high precision and methods for measuring mechanical properties of materials by instrumented indentation “In Chinese”.
“In Chinese”: Chinese Journal of Scientific Instrument Vol. 9(2011), P 2095

Introduction A wide variety of polymeric materials, either biodegradable or non-biodegradable but biocompatible can be used as drug delivery matrices, and the choice of polymer is often dictated by the requirements of the specific application[1].
Electrospinning had earned the interest of many fields over the past few years, due to it capability of preparing materials at a nano-meter scale in a simple and straightforward process [2].
Meanwhile, its terminal group was supposed to react with monomer with double- bond structure, such NVP to prepare functional materials.
UPM could not be electrospun directly because of a little molecular materials, so poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) was used to improve the spinning-ability of the UPM.
Journal of Applied Polymer Science, Vol.

Thanks to these properties, materials with DP structure have become one of promising materials for spin-valve devices [4], novel magnetic recording media [5], and spin-polarized current source materials [6].
BaCo3, La2O3, Fe2O3, and MoO3 are used as starting materials.
All of these materials are milled and mixed with a small amount of alcohol.
Prinz, Science 282 (1998) 1660
Kim, Journal of Magnetism and Magnetic Materials 351(2014) 82

This paper discusses the basic functional construction of an ELV dismantling system designed to maximize the reusability of parts and the recoverability of materials by dismantling ELVs rationally and efficiently.
The valuable parts are also dismantled for material recycling.
The shredded fragments are then sorted by a magnetic and air separation process to recover useful materials.
The ASR (Automobile Shredder Residue) generated during the shredding and sorting process is treated again to recover valuable materials and finally incinerated or land filled [3, 4, 5, 6].
Economic level of reuse of parts and recycling of materials is taken into consider during the dismantling process.

The tool life and failure modes were investigated by comparing the experiment results of different tool materials and different tool orthogonal clearance, which so as to guide practice production.
Experimental Procedure Tool Materials.
The workpiece material was 45 carbon steel.
Metals &Hard Mater. 13(1995)313-319 [2] J.X.Zheng,X.Ai,Y.H.Feng.Wear, lubrication and matching of ceramic cutting tools with the workpiece materials.Chinese Journal of Mechanical Engineering. 38(2002)40-45
Shanghai Science and Technology Press, Shanghai 2001

The intensity of fluorescence afterglow signal is determined by the sensitive material and the excitation light intensity of probe head [5].
The temperature variation curve of several fluorescent materials is shown in Figure 4.
A kind of material which is more sensitive in the range from room temperature to 100℃ is chosen to meet the requirements of this subject.
Fig. 4 The temperature variation curve of 5 different fluorescent materials 3 Design of wireless module 3.1 Design of the circuit system System is mainly composed by a MCU and SX1212.
Acknowledgements This work is supported by the Natural Science Foundation of Liaoning Province under grants No.20092048.

Garcia et al. (2020) mention that energy and the use of wood materials can jointly contribute to mitigate climate change, by replacing conventional carbon-intensive materials, such as concrete and steel.
Buildings cooling: An experimental study of Phase Change Materials storage for low energy buildings.
Building materials in a circular economy: The case of wood waste as CO2-sink in bio concrete.
Journal of Wood Science, 61(1), 70–80. https://doi.org/10.1007/s10086-014-1434-y [14] Pittau, Francesco et al.
Fast-growing bio-based materials as an opportunity for storing carbon in exterior walls.