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In fact, interlaminar stress widely exists in various composite laminate structures [4], and its impact on the overall mechanical properties of composite materials is worthy of further study.
Baoning, Mechanical analysis of composite materials, China Science and Technology Press, Beijing, 2006
[6] A.H.Puppo, H.A.Evensen, Interlaminar shear in laminated composite under generalized plane stress, Journal of composite materials. (1970) 204-220
Tang, A boundary layer theory-part Ⅰ: laminated composites in plate stress, Journal of composite materials. (1975) 33-41
A boundary layer theory-part Ⅱ: extension of laminated finite strip, Journal of composite materials. (1975) 42-52

Hybrid polymer material exhibits better power conversion efficiency than the other existing materials science.
Heller, Photooxidative self-cleaning transparent titanium dioxide films on glass, Journal of Materials Research 10 (1995) 2842-2848
Elsanousi, Synthesis of ZnO Nanostructures and their Photocatalytic Activity Journal of Applied and Industrial Sciences, 1 (2013) 32-35
Houas, Synthesis,characterization and photocatalytic activity of ZnO-SnO2 nanocomposites, Materials Science and Engineering B, 178 (2013) 1371-1379
Sun, Preparation and photocatalytic property of a novel dumbbell-shaped ZnO microcrystal photocatalyst, Journal of Hazardous Materials, 172 (2009) 1520–1526

Whether identification of these reactions has led to the placement instructions of the prostheses into the wall structures of abdomen, there is no clear rule on fixation materials of these prosthesis; they generally follow the recommendations of the prosthesis materials.
The theoretical considerations and experimental studies show that materials susceptibility to infection is directly dependent on the structure, filament and porosity of the material.
Scanning electron microscopy images of the multifilament sutures (braided) The variety of materials available nowadays constrains the surgeon to fully understand the physical and morphological properties of materials and their influence on the tissues they are implanted into.
This host tissue reaction method is decisive in the choice of fixation materials for microfilament polymers.
The main types of suture materials and their characteristics are presented in table 1.

Koch, Nanostructured Materials: Processing, Properties and Applications, Elsevier Science, 2006
Priezjev, The effect of thermal history on the atomic structure and mechanical properties of amorphous alloys, Computational Materials Science. 174 (2020) 109477
Gleiter, Nanocrystalline materials, Progress in Materials Science. 33 (1989) 223-315
Pestryak, Modeling and analysis of physicochemical processes in recirculating water conditioning, Journal of Mining Science. 51(4) (2015) 811-818
Ushakov, How a crack and the defect material in its neighborhood affect the radiation strength of transparent materials, Journal of Optical Technology. 75(2) (2008) 128-131

The raw materials Si(OC2H5)4, Ca(NO3)2, MnCO3, Al(NO3)3, boric acid as flux are of analytical purity.
Zhang, et al: Materials Letters Vol. 58(2004), p. 3308-3311
Kim: Journal of Luminescence Vol. 128(2008), p. 2004-2007
Ju, et al: Journal of sol-gel science and technology Vol. 50(2009), p. 368-371
Chang et al. : Chemistry of Materials Vol. 15(2003), p. 3966-3968

An Energy Storage Material Fabricated by Coating Ba0.40Sr0.60TiO3 Nano Particles with Aluminum Oxide Doped with Zinc Oxide Shell Chao Xu, Bo Shen, Jiwei Zhaib Functional Materials Research Laboratory, Tongji University, Siping Road, Shanghai 200092, China bapzhai@tongji.edu.cn Keywords: BST; Breakdown Strength; Energy Density; Dielectric Storage Materials Abstract.
The high purity Ba(OH)2·8H2O, Sr(OH)2·8H2O, and Ti(OBu)4 were used as starting materials.
Boey, Progress in synthesis of ferroelectric ceramic materials via high-energy mechanochemical technique, Progress in Materials Science, 5(2008) 207-322 [6] J.J Huang, Y.
[20] X.F.Liang, W.B.Wu, Z.Y.Meng, Dielectric and tunable characteristics of barium strontium titanate modified with Al2O3 addition, Materials Science and Engineering, B99 (2003) 366-369 [21] B.
Rujijanagul, Dielectric strength of fine grained barium titanate ceramics, Journal of Materials Science Letters 15(1996) 1767-1769 [23] T.I.Shakhtakhtinsky, The Effect of Porosity on the Electric Strength of Heat-resistant Concrete, IEEE Transactionson Dielectrics and Electrical insulation,4(1997)813-817

Even if mathematics and physics statistical method can offer a large number of quantization data for the fact that quality is evaluated, but how heavy it will be every quality size whole contribution of quality in science of bridge building, characteristic of value after the quantization, still very fuzzy, this give science of bridge building quality to make science and objective evaluation cause heavy difficulty very.
The unascertained knowing second synthesis of theory is evaluated of quality of science of bridge building Determine the nature on the comprehensive appraisal of the unascertained of the index.The index means mainly the appearance state of project quality and some are difficult to describe the quality index of quality with the quantity to determine the nature, including basic demand, appearance determine that guarantees the materials etc.
Expert's personal materials information slip Tables 3-3 Member's serial number professional title Professional title Working Years Judgement 1 Master Senior engineer of professor's 22 Very strong 2 Master Senior engineer 16 Very strong 3 bachelor Senior engineer 32 Very strong 4 bachelor Engineer 7 Strong 5 bachelor Engineer 3 Relatively strong So,。
Journal of Harbin University of Civil Engineering and Architecture, 12 (4): 1-4 (1990) In Chinese [2] Kaidi Liu. unascertained mathematics.
China Journal of Highway and Transport.

The Effect of Cr Content on the Microstructure and Performance of Heat Resistant Nodular Cast Iron Hongbo Li1,a, Haitao Li1,b, Chunjie Li 2,c and Lijie Qu1,3,d 1Department of Materials Science and Engineering, Jiamusi University, Jiamusi,154007, China; 2Department of Public Computer, Jiamusi University, Jiamusi,154007, China; 3Department of Materials Science and Engineering, Harbin Institute of Technology,Harbin,150001, China a jiamusilihongbo@163.com, b haitao0204@126.com, c beauties@126.com, d lijieq2003@163.com Keywords: Nodular iron, Chromium alloying, Mechanical performance, Heat resistant Abstract.
Introduction Alloying is an effect method to increase heat resistant of many materials[1].
Experimental and Materials Pig iron and steel scrap of carbon contents 4.3 Wt% and 0.2 Wt%, ferrosilicon and ferrochromium of silicon and chromium content 75 Wt% and 70 Wt% in fixed portion were melted in intermediate frequency induction furnace (GW-0.02-60/25J).
Acknowledgement It is a project supported by the Department of Education Science and technology Project of Heilongjiang Province of China(11553111) References [1] Sirong Yu, Xianyong Zhu, Qian Gao et.al: Journal of Modern cast iron Vol. 3(2010), p.42-45, in Chinese
[4] Lixi Sun, Xiaolie Liu, Hui Pan: Journal of Metal Materials and Metallurgy Engineering Vol. 4(2008), p.11-13, in Chinese

Investigation on mechanical properties of clay-based material prepared from the Yellow river silt Yang Jiu-jun1, 2, a, Zhang Lei1, b, Guo Pu3, c, and Wang xue-ping1, d 1 Department of Materials Science and Engineering, Tianjin Institute of Urban Construction, Tianjin 300384, China 2 Tianjin Environmental and Engineering Properties of Soft Soil Key Laboratory, Tianjin 300384, China 3 Shanxi Sanjiang Engineering Testing Co.
At the same time, there is a great lot of building materials demand with the development of society and gradual improvement of foundation construction, especially there is lack of enough building materials in the countryside.
In order to develop a new building materials for the Yellow River area low building construction in the countryside, based on the investigation and analysis of the beach area of the lower reaches of Yellow River silt characteristics, clay-based cementitious materials are prepared with the Yellow River silt as main materials, cement, lime and a few of excitant agent as auxiliary materials.
In conclusion, clay-based cementitious materials can be prepared with the Yellow River silt as main materials, cement, lime and a few of excitant agent as auxiliary materials, which provide a new building material for the Yellow River area low building construction in the countryside.
[5] Cheng K, Xu B, Xu LH, Zhang H and Liu M, Synthesis of O′-SiAlON/SiC refarctory materials from non-traditional resources of Yellow River sand, Rare Metal Materials and Engineering, 36(2006)369-372

Synthesis and Fluorescence Properties of a New Eu(III) Complexes with β-Diketone Ligand Ya Nan Lu a, Xiong Yan Zhao b*, and Xin Wang c College of Material Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, P.
In order to obtain new rare earth fluorescence materials with effective luminescent properties, a new type of β-diketone ligand was synthesized in this work.
Experimental Materials. 4-Aminoacetophenone(99%) was obtained from Alfa Aesar, benzylbromide(CP) and europium oxide(Eu2O3, EP) were both purchased from Sinopharm Chemical Reagent Co.
Due to its good thermal stability, it can be used as promising candidates for applications in organic light-emitting materials.
Zuo: Materials Letters Vol. 59 (2005), p. 3678-3681 [5] R.R.