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These materials are typically represented by the general formulas A2BIVX6 or A2BIBIIIX6 .
Input parameters for materials used in the primary device.
In this study, several substitute materials for electron and hole transport layers have been examined.
Several materials fit this criterion, including silver (Ag), carbon (C), nickel (Ni), and gold (Au) [25].
Journal of Materials Science: Materials in Electronics. 35,30. (2024) [15] E.

Design and analysis of the impeller is a problem of multi-subjects, it involves various aspects knowledge of aerodynamics, mechanics, structural dynamics, control technology, material fatigue properties and so on.
Journal of the science and technology, 2002 (5)
The simulation and analysis of flexible up-down system of the missile based on ADAMS and ANSYS software[J].Journal of machine manufacturing, 2006 (2) : 18-20
Fatigue loads on wind turbines of different control strategies operating in complex terrain.Journal of wind Engieering and Industrial Aerodynamics,2000.85:211-240

The material is C50 concrete.
Seyedpoor .A two stage method for structural damage detection using a modal strain energy based index and particle swarm optimization [J].Original Research Article International Journal of Non-Linear Mechanics.2011, 47(1):1-8 [2] Huiwen Hu, Chengbo Wu.Development of scanning damage index for the damage detection of plate structures using modal strain energy method[J].
Vibration Based Structural Damage Detection in Flexural Members Using Multi-Criteria Approach[J].Journal of Sound and Vibration , 2009,323(3):645-661
Damage identification of beam-type structure based on modal flexibility difference and curvature [J].Journal of Jiangnan University(Natural Science Edition),2010,9(1):75-80(In Chinese)

For the undamaged beam, the mass density and elastic modulus of the material are r= 2500 kg/m3 and E = 3.2´1010 N/m2, respectively.
Acknowledgments: The authors acknowledge the financial support by the National Natural Science Foundation of China (50909088), 863 project(2008AA092701), 973 project (2011CB013704) and Program for New Century Excellent Talents in University (NCET-10-0762).
[5] Mottershead, J.E, and Friswell, M.I., Model updating in structural dynamics: A survey, Journal of Sound and Vibration, 167 (1993), 347-376 [6] Joao Carvalho , Biswa N.
Journal of Sound and Vibration, Vol.290 (2006), 369-387
Journal of Engineering Mechanics, ASCE, 132 (2006) , 429-437

Acknowledgements This project is supported by the National Natural Science Foundation of China (Grant No. 51075359 and 50805127).
Chinese Journal of Mechanical Engineering, 2005, 41(10), p.1
International journal of advanced manufacturing technology, 2012, 58(4), p.279
Journal of intelligent material systems and structures, 2011, 23(2), p.155.

It may be pressed sponge or scrap, or it may be cast or wrought material.
Ramachandrarao, Electroslag remelting – Its status, mechanism and refining aspects in the production of quality steels, Journal of Metallurgy and Materials Science, 42 (2000) 11-29
O´Brien, Advances in melting technology for high-temperature alloys, Journal of Metals, 50 (1998) 12
Hoyle, Electroslag Processes, Principles and Practice, first ed., Appliead Science Publishers, London and New York, (1983)

Experimental Materials.
Acknowledgement For the financial support we are grateful to science and technology research project of Heilongjiang department of education, Heilongjiang Province, China (Grant No. 11531012).
Journal of Environmental Management.
Journal of Daqing Petroleum Institute.

In addition, the major domestic journals is basically focuses on the analysis of individual case, such as construction space processing, commercial building images, fire evacuation, barrier-free, etc.
Acknowledgements This work was financially supported by the Natural Science Foundation of Heilongjiang Province, P.R.China (No.E2007-05), and the Innovation Project for Young Teachers of Harbin University of Commerce.
Liu: Building Materials world Vol.2(2010),p.12-13(In Chinese) [6] X.H.Liu and Y.Zh.
Hong: Journal of Architectural Vol.20(2006), p.23-25(In Chinese)

Acknowledgement Project supported by the National Natural Science Foundation, China(No.70871062); project supported by SRF for ROCS, SEM.
Pan: Journal of Purchasing and Materials Management, Vol.25 (1989) No.3, pp.36-39
Cheng: Journal of Ningbo University (Nsee), Vol.23 (2010) No.1, pp.73-79 (In Chinese)

Structure Detection and Evaluation of the Highway Tunnel Zhu Chunjie1,a*, Liu Fei1,b* and Dong Jun1,c 1 Beijing Research Center for Engineering Structures and New Materials, Beijing University of Civil Engineering and Architecture, Beijing, 100044, P.R.China a582193172@qq.com, b jdongcg@bucea.edu.cn, cliufei75@163.com Keyword: the GPR, tunnel, lining thickness, spandrel, arch crown Abstract: Combined with a highway tunnel testing and assessment, through the discussing of technical problems existed in tunnel’s quality detecting by the using of geology radar, using gist of geology radar in tunnel’s quality detecting is grasped, the key technologies of survey line layout, acquisition parameters setting and on-site test in the process of geological radar application are concluded.
Journal of underground space and engineering, 2006, 4(2): 267-270 [2] Wang Xingzhao.
Journal of engineering geology, 2010(6) [5] Zhao Shunwu.
Highway traffic science and technology (technology application edition), 2011, (9): 90-91