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Examination of Biodegradable Polymer Thin Films MARIANN KOLLÁR1, a *, GABRIELLA ZSOLDOS1,b, TAMÁS SZABÓ 1,c , KORNÉL SZÓDA1,d 1 University of Miskolc, Institute of Ceramic and Polymer Engineering, Hungary 3515 a femmaja@uni-miskolc.hu, b femzsgab@uni-miskolc.hu, cpolsztam@uni-miskolc.hu, d szodakornel@gmail.com Keywords: pektin, guar gum, gelatin, water absorption, FTIR Abstract.
Kerry, Fourier Transform Infrared (FTIR) Spectroscopic Analysis of Biodegradable Gelatin Films Immersed in Water, International Congress of Engineering and Food,, AFT988, Athens 2011
Subha, Synthesis and Characterisation of Guar Gum-g-Poly(Acrylamidoglycolic acid) by Redox Initiator, Indian Journal of Advances in Chemical Science 1 (2012) 28-32.

Introduction With the advance of science and technology, more and more new materials which include titanium alloy, surfacing material, and ceramics and so on come into applications in cutting edge area[1-3].
Modern Manufacturing Engineering.
International Journal of Machine Tools and Manufacture.
Chinese Surfacing Engineering.

Effect of catalyst type on structural, morphological, and optical properties of SiO2 thin film applied by sol- gel method Najme lari1, a *, Shahrokh Ahangarani2, b, Ali Shanaghi3, c 1PhD student of Advanced Materials & Renewable Energies Department, Iranian Research Organization for Science and Technology, Tehran, Iran. 2Advanced Materials & Renewable Energies Department, Faculty of Engineering, Iranian Research Organization for Science and Technology, Tehran, Iran. 3Materials Engineering Department, Faculty of Engineering, Malayer University, Malayer, Iran.
Arpac, Preparation of antireflective SiO2 nanometric films, Ceramics International. 36 (2010) 391–394
Duta, The influence of parameters in silica sol-gel process, Bulletin of the Transilvania University of Braşov, Series I: Engineering Sciences.
Fardad, Catalysts and the structure of SiO2 sol-gel films, Journal of materials science. 35 (2000) 1835 – 1841
Zhang, A novel route to control refractive index of sol-gel derived nano-porous silica films used as broadband antireflective coatings, Materials Science and Engineering.

Experimental Study on Polycarboxylate High-performance Superplasticizer Use in Tunnel Segment Li Feng1, a, YuCe Wang2,b 1 Department of Civil Engineering, Shaoxing University, Shaoxing, Zhejiang, 2 China railway 23th construction bureau rail transit Co.Ltd.
Problem Put Forward Though a large number of Polycarboxylate superplasticizer engineering practice in production and engineering problems and solutions at home and abroad have proved that promote the use of polycarboxylate superplasticizer is the necessary requirement for high-performance concrete quality.
Nearly two years of practice and large-scale engineering applications prove that the polycarboxylate superplasticizer have comprehensive performance advantages but have been some new situations and new problems at the same time.
For example, the production process problems, product quality and stability problems, engineering problems and so on.
Journal of the Chinese ceramic society.

This paper mainly studies the alkaline slag admixture on the performance of abrasion resistance of concrete changes, in order to further expand the industrial waste renewable utilization, adapt high performance concrete, and finally, it can be better applied to engineering practice.
This project has a good engineering significance and great social and economic significance.
Journal Of Railway Science And Engineering，2007，pp：59—62
Abrasion resistance of fine aggregate replaced silica fume concrete [J], ACI Materials Journal, 1999, 96(5):559-567
KongDeJin, Study on production of building materials by mixing concrete with alkali waste[J],Journal of Chemical Industry & Engineering，2004,25(4)

FEM Analysis of Glass Lens Molding Press Jian Zhou1, a, Mujun Li1, b, Lianguan Shen1, c 1Department of Precision Machinery and Precision Instrumentation, School of Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China aEmail: zhoujian@mail.ustc.edu.cn bEmail: lmn@mail.ustc.edu.cn cEmail: lgshen@ustc.edu.cn Keywords: glass lens molding press, viscoelastic, stress relaxation, structural relaxation Abstract: Glass molding press is an efficient and promising process for glass lens manufacturing.
Journal of the American Ceramic Society, 2005. 88(3): p. 530-535
Journal of Manufacturing Science and Engineering-Transactions of the Asme, 2006. 128(3): p. 683-690
Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology, 2009. 33(2): p. 150-159

Research on Surface Modification Technique by EDM Xiaohai Li1,a，Yu Fang2,b，Xinrong Wang1,c, Baolin Yin1,d 1Dept of of Mechanical Engineering, Jiamusi University, Jiamusi City, China 2 Shanghai University of Engineering Science , Shanghai City, China alixh519@126.com , bfanyu @126.com, cwangxinrong65@sin.com, dyinblin@163.com Keywords: Electric Discharge Machining, Die, Surface modification Abstract.
Introduction Electric discharge coating is a new technique of surface engineering developed in recent years, which can improve the performance of metal surface by using electrode made by a special process and a common machine tool of EDM [1-4].
In the process of EDM, the content of electrode, such as TiC, TiN and so on, can be deposited on the surface of metal parts to form a metal ceramic layer.
References [1] Binshi Xu, Shining Ma: China Mechanical Engineering Vol.5 (1996), p.3 (in Chinese) [2] Shinya Hayakawa, Ricardo Itiro Ori, Fumihiro Itoigawa: International Journal of Electrical Machining Vol.6 (2001) , p.111 [3] A.
Proceedings of the 13th International Symposium for Electromaching.

Yao, Optical properties of amorphous Al2O3 thin films prepared by a sol–gel process, Ceramics International, 40(9), 14133–14139, 2014
Fakhry, Synthesis of Bi2O3 films, studying their optical, structural, and surface roughness properties, IOP Conference Series Materials Science and Engineering 454(1) 012160 (2018)
[37] Evan T.Salim, Rapid thermal oxidation for silicon nanocrystal based solar cell, International Journal of Nanoelectronics and Materials 5(2) 95-100 (2012) [38] K.Y.
A Ahmed, S.A Abduljabar, Some of Electrical and Detection properties of nano silver oxide, IOP Conference Series: Materials Science and Engineering 454(1) 012161 (2018)
Rahim Efficient and reusable iron-zinc oxide catalyst for oxidative desulfurization of modelfule Journal of Environmental Chemical Engineering ( 5 )1645–1656 (2017)

Evaluation of Acoustic Emission Events Generated at Three Point Bending of Different Concrete Specimens by Spectral Analysis PAZDERA Lubos1,a, TOPOLAR Libor1,b, DANEK Petr2,c, SMUTNY Jaroslav3,d and MIKULASEK Karel4,e 1 Brno University of Technology, Faculty of Civil Engineering, Institute of Physics, Veveri 331/95, Brno, Czech Rep. 2 Brno University of Technology, Faculty of Civil Engineering, Institute of Building Testing, Veveri 331/95, Brno, Czech Rep. 3 Brno University of Technology, Faculty of Civil Engineering, Institute of Railway Structures and Constructions, Veveri 331/95, Brno, Czech Rep. 4 Brno University of Technology, Faculty of Civil Engineering, Institute of Mathematics, Veveri 331/95, Brno, Czech Rep.
In engineering applications active defects are a major hidden danger of structure security.
The fracture tests were carried out using a Heckert FPZ 100/1 testing machine within the range of 0 to 10 kN at a laboratory of the Institute of Building Testing, Faculty of Civil Engineering, Brno University of Technology [18].
References [1] Wang XH, Xiang JJ, Hu HW, Xie W, Li XB, Ultrasonics, 2015, 60, 27-32 [2] Dumoulin C, Karaiskos G, Sener JY; Deraemaeker A, Smart Mater. and Struct., 2014, 23(11) [3] Ohno K, Uji K, Ueno A, Ohtsu M, Construction and Building Materials, 2014, 67(SI), 139-145 [4] Iliopoulos S, Iliopoulos A, Pyl L, Sol H, Aggelis DG, Proceedings of SPIE, 2014, 9062 [5] Jiang Y, Lee CH, Wu JP, Insight, 2012, 54(3), 155-158 [6] Xu Y, Xu D, Qu J, Cheng X, Jiao H, Huang S, Springer Proc. in Physics, 2015, 158, 347-353 [7] Marco S,Gutierrez-Galvez A, IEEE Sensors Journal, 2012, 12(11), 3189-3214 [8] Smutny J, Pazdera L, INSIGHT, 2004, 46(10), 612-615 [9] Topolar L, Pazdera L, Cikrle P, Applied Mechanics and Materials, 2014, 486, 267-272 [10] Pazdera L, Topolar L, Russian Journal of Nondestructive Testing, 2014, 50(2), 127-131 [11] Smutny J, NDT & E INTERNATIONAL, 2002, 37(2), 119-129 [12] Hu S, Mi Z, Lu J, Applied Mechanics and Materials, 2012, 226-228, 937-941 [13] Dou Y, Xu X, Cai
X, Wu G, Sun Z, Applied Mechanics and Materials, 2011, 63-64 ,355-360 [14] Toutanji H, Materials and Structures, 2000, 33(3), 207-215 [15] Baccar D, Soffker D, Mechanical Systems and Signal Processing, 2015, 60-61, 198-207 [16] Simonova H, Havlikova I, Danek P, Kersner Z, Vymazal T, Materiali in Tehnologije, 2015, 49(3), 417-421 [17] Vymazal T, Zizkova N, Misak P, Ceramics-Silikaty, 2009, 53(3), 216-224 [18] Kucharczykova B, Misak P, Vymazal T, Russian Journal of Nondestructive Testing, 2010, 46(3), 226-233

Immobilized microorganism technology and the application of wastewater treatment Mingzhong Hu1, a, Yanan Tang1, b and Xiaoyu Wang2, c 1Institute of Chemical Engineering, Changchun University of Technology, Changchun, 130012, China 2School of Environment Science, Northeast Normal University, Changchun 130117, China ahumingzhong@mail.ccut.edu.cn, bm18002441876@163.com, cxywang@nenu.edu.cn Keywords: Microbial immobilization, wastewater treatment, carriers, methods of immobilization.
And points out what the problem should be solved that applied the laboratory application to the real engineering practice.
The carriers can be divided into the following three categories: (1)the inorganic carriers: including activated carbon, volcano, porous ceramics, porous glass, etc.
In recent years, the study of biofilm populations of international has entered into microscopic fields.
Liu: Journal of Jiangsu Teachers University of Technology.