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AE is also known as stress wave emission, it is a phenomenon that materials or constructional elements release strain energy with transient elastic wave.
[2] Aizawa S, Kakizawa T, Higasino M: Casestudies of smart materials for civil structures.
Journal of Vibration Engineering. 20(2007) 381-387
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Bifurcation and Localization in Rate-Independent Materials.
Modelling and Simulation in Materials Science and Engineering, 15(1):S283, 2007
Journal of Elasticity, 113(1):55-74, 2013
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Copolymerization is the most successful method adopted for the preparation of materials with tailor made properties [1-7].
Experimental Materials CHMA monomer (Merck-schuchardt) and TtEGDMA crosslinked agent (Fluka) were distilled under reduced pressure, AIBN initiator was recrystallized in methanol.
Tidwell and A.G.Mortimer: Journal of Polymer Science part A , 3, 369 (1965)
[11] M.Finemann and D.S.Ross: Journal of Polymer Science, 5, 259 (1950)
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Environmental Science and Management, 2008,33 (8) :54-59
Non-point source pollution model - theoretical methods and application (first edition) [M] Beijing: China Environmental Science Press, 2006.10
Occurrence of nitrate in groundwater: Are view [J] Journal of Environmental Quality, 1993,22 (3) :392-402
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Agricultural nonpoint source pollution causes and control measures [J] Hebei Agricultural Sciences, 2009, (4): 44-47

Developments in materials available for AM have expanded into metal matrix composite materials.
Gadaud, Additive layer manufacturing of titanium matrix composites using the direct metal deposition laser process, Materials Science and Engineering: A 677 (2016) 171-181
Xi, Research on development of in situ titanium matrix composites and in situ reaction thermodynamics of the reaction systems, Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material 13(6) (2006) 551-557
Pohl, Effects of laser sinterinng processing parameters on the microstructure and densification of iron powder, Materials Science and Engineering: A 359(1-2) (2003) 119-128
Rubenchik, Observation of keyhole-mode laser melting in laser powder-bed fusion additive manufacturing, Journal of Materials Processing Technology 214(12) (2014) 2915-2925

The photocatalytic activity of the materials were also tested for methylene blue degradation.
Shangguan, Photocatalytic energy storage ability of TiO2-WO3 composite prepared by wet-chemical technique, Journal of Environmentall Sciences 22 (2010) 454-459
Wang, Ordered mesoporous tungsten oxide and titanium oxide composite and their photocatalytic degradation behavior, Progress in Natural Science: Materials International 22 (2012) 654-660
Xiao, Jide Wang, “Synthesis of TiO2–WO3 nanocomposites as highly sensitive benzene sensors and high efficiency adsorbents”, Journal of Materials Chemistry 22 (2012) 123914-13917
Manolache, Optical Properties and Chemical Stability of WO3 and TiO2 Thin Films Photocatalysts, Romanian Journal of Information Science and Technology 10 (2007) 269-277.

The main focal points of this test are: (1) all steel plates are non-homogeneous materials, therefore, the first test will design to demonstrate this phenomenon; (2) the second test is designed to test the crack variation on interface between different materials.
According to the material property of these two kind materials are similar, but, the shear modulus and poisson’s ratio are different.
According to the test results of this research, this DIC technique is useful for analyzing the mechanics behavior of materials.
“Developing Digital Image Correlation Techniques for Using Water Immersion to Improve Strain Field Measurement in Micro-scale”, Indian Journal of Engineering & Materials Sciences, 20(4): 237-244
“Developing Three-Dimensional Digital Image Correlation Techniques to Detect the surface smoothness of Construction Materials”, International Journal of Materials and Product Technology, 42(3/4): 234-246.

Materials and Results of the Research Technological scheme of the fist welding type.
Yudenkov, Time relaxation of point defects in p- and n-(HgCd)Te after ion milling, Journal of Electronic Materials. 32(7) (2003) 698-702
Balalayeva, Effect of particular combinations of quenching, tempering and carburization on abrasive wear of low-carbon manganese steels with metastable austenite, Materials Science Forum. 945 (2019) 574-578
Markov, Profitability of production of stainless steel + zirconium metals combination adapters, Key Engineering Materials. 864 (2020) 285-291
Gurenko, Modeling dynamic parameters of hard alloys during shock wave regeneration, IOP Conference Series: Materials Science and Engineering. 969(1) (2020) 012079

Flexible inner pressure bolt is a new bolt[4,5], high elastic polymer material is used to ake bolt body, the bolt body is vertical enhanced by linear materials such as steel wire or fiber, is ring enhanced with high strength fiber limited elongation.
Chinese Journal of Rock Mechanics and Engineering, 2004, 23(3): 465~468
Application of a new plastic expanding metal anchor in stoping tunnel supporting[J].Journal of Xi’an University of Science and Technology,2007,27(2):200~204
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Journal of Xi’an University of Science and Technology, 2009, 29(6):707~711

Application of Laser metal deposition for fabrication of titanium matrix wear-resistant coating and its wearing performance Lanyun Qin1,2,a Guang Yang1,3,b Wei Wang1,c Ming Tong1,d XingLiang Wang1,e 1Shenyang Aerospace University, Shenyang, 110134, China 2Shenyang University of Technology, Shenyang, 110016, China 3 Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China aqinly@syiae.edu.cn, byangguang@sia.cn, cwangw@syiae.edu.cn, d,erpm@syiae.edu.cn Keywords: TiC, Laser Metal Deposition, Functionally Graded Materials, Wear-resistant, In-situ synthesis Abstract: TiC reinforced titanium matrix functionally graded materials （FGM） has been produced by processes of laser metal deposition through changing the powder feed rate of Ti and Cr3C2 powder.
Dry sliding wear properties of these FGM coatings have been compared with substrate materials wearing.
Laser Metal Deposition (LMD) is an advanced laser materials processing technique, which is wildly used in manufacturing, part reparation, surface modification.
Kampe: Metallurgical and Materials Transactions Vol. 35(2004) p.1861-1871 [7]Zhang Duo, Yang Yuling, Shang Ye:Laser & Infrared, Vol.35(2008) p.762-765 [8]F.J.Tian,W.J.Liu,X.F.Shang,G.Yang: Key Engineering Materials Vols.392-394(2009)p.125-130 [9]S.Zhang W.T.
[12] Zhang Song, Zhang Chunhua, Kang Yuping:The Chinese Journal of Nonferrous Metals,，Vol.11(2001) p.1026～1030 [13]Liu Lu-lu,Sun Rong-lu,Niu Wei:Journal of TianJin Polytechnic University,，Vol.26(2007)P.60-62