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Materials and methods BPNN.
Fan: Lecture Notes in Computer Science, Vol.3173 (2004), p. 323-331
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Complementary cementitious materials are finely ground solid materials that are used to replace a portion of the cement in a concrete mixture.
These complementary materials may be naturally occurring, manufactured or natural waste [2].
Examples of pozzolanic materials are volcanic ash, pumice, opaline shales, burnt clay and fly ash.
Sharp sand was also subjected to Sieve analysis test in order to determine the gradation of the materials according to [10].
Cement reduction in construction industry translates to reduction in cost of construction and emission of CO2 gas. 5.0 Recommendation Having exhibited the highest compressive strength after 28 days curing period, it is recommended that the blend of 40%L:60%C be adopted to replace cement in mortar production for masonry, rendering, plastering and pointing applications References [1] Amankwah, E.O., Badiako, M., Kankam, C.K. (2014) “Influence of calcined clay pozzolana on strength characteristics of Portland cement concrete” International Journal of Materials Science and Applications, Vol. 3, Issue 6, pp. 410-419 [2] AL-Jumaily, I.A.S., Naji, N., Kareem, Q (2015) “An Overview on the Influence of Pozzolanic Materials on Properties of Concrete” International Journal of Enhanced Research in Science Technology and Engineering, Vol. 4, Issue 3, pp. 81-92 [3] Plenge, W.H (2002) “Roadmap 2030: The U.S Concrete Industry Technology Roadmap” Concrete Research and Education Foundation, U.S.A

Materials and methods The manufacturing of the test parts were performed in a MAZAK 410A-II CNC machining centre based on NC programs, which were generated by Pro/Engineer CAD/CAM system.
The test part material was S355 (EN 10025, Re=355 N/mm2; C% 0.23, Mn% 1.60, P% 0.05, S% 0.05) low alloyed structural steel (the effect of the material properties on the surface quality is not investigated).
Manková; Cracow University of Technology (2013) pp.82-91 [6] Felhő Cs., Kundrák J.: Comparison of theoretical and real surface roughness in face milling with octagonal and circular inserts; Key Engineering Materials Vol. 581 (2014) pp.360-365 [7] Čep R., Janásek A., Petrů J., Sadílek M., Mohyla P., Valíček J., Harničárová M., Czán A.: Surface roughness after machining and influence of feed rate on process; Key Engineering Materials Vol.581 (2014) pp.341-347 [8] Bilek O; Samek D; Suba O: Investigation of surface roughness while ball milling process; Key Engineering Materials Vol.581 (2014) pp.335-340 [9] Kurt M., Hartomacioglu S., Mutlu B., Köklü U.: Minimization of the surface roughness and form error on the milling of free-form surfaces using a grey relational analysis; Materials and technology Vol.46 No.3 (2012) pp.205–213 [10] Wei Z.C., Wang M.J., Zhu J.N., Gu L.Y.: Cutting force prediction in ball end milling of sculptured surface with Z-level contouring tool path; International
Journal of Machine Tools & Manufacture Vol.51(2011) pp.428–432 [11] Wei Z.
Manufacturing Technology (2013) Vol.65 pp.363–369 [12] Zebala W.: Tool stiffness influence on the chosen physical parameters of the milling process; Bulletin of the Polish Academy of Science – Technical Sciences; Vol.60.

Garus: Power Distribution in Propulsion Systems of Semiautonomous Underwater Vehicle, Mechatronic Systems, Mechanics and Materials Vol. 180, (2012), pp. 125-130 [10] W.
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Małecki: Model of Propeller for the Precision Control of Marine Vehicle, Mechatronic Systems, Mechanics and Materials Vol. 180, Solid State Phenomena, (2012), pp. 323-330 [20] P.

Improvement of consumer properties of materials and development of new advanced metals and alloys stimulate the development of analytical instruments to provide the technological process, decrease the detection limits, improving the accuracy and rapidity.
In addition, the output of the secondary ions strongly depends on the nature of chemical bonding in materials (ionic, covalent and metallic), and this can lead to ambiguity in the depth profiles at the junction of dissimilar materials [10].
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H rdtl, Degradation of dielectric ceramics, Materials Science and Engineering: A 109 (1989) 171-182
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Swingler, The Effects of Porosity, Electrode and Barrier Materials on the Conductivity of Piezoelectric Ceramics in High Humidity and DC Electrical Field, Smart Materials & Structure 21(2012) 045012.

We want to acknowledge Key Laboratory of Advanced Materials of Yunnan Province and Key Laboratory of Advance Materials of Precious-Nonferrous Metals, Education Ministry of China for providing the testing foundation..
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FABRICATION AND CHARACTERIZATION OF EPOXIDIZED NATURAL RUBBER-CHITOSAN MEMBRANE Wirach Taweepreda1* and Anuchit Wichianchom1 1Membrane Science and Technology Research Center, Department of Materials Science and Technology, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90110, THAILAND wirach.t@psu.ac.th Keywords: ENR; Chitosan; Membrane; XANES Abstract.
This heat rises the temperature and accelerates deterioration of the polymeric materials. [9].
Key Engineering Materials 2011, 471-472, 851
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The reasons are as follows: in the first stage, material distort under the action of biggish tension stress, at the same time, the liquid film between the crystals perhaps separate, but the volume proportion of liquid is bigger and can flow freely, which supply material into the distortion area in time and avoid the fluid film separation.
Besides the hot cracks, a few cracks generate in the course of cooling, this is because the shrinkage quantity led by cooling is bigger than that of deposition layer, which make the residual tension stress in the deposition layer increasing, when the tension stress in local area exceed the material ultimate strength, the cracks generate.
Reference [1] Xinhong Xiong, Haiou Zhang, Guilan Wang, Metal direct prototyping by using hybrid plasma deposition and milling, Journal of Materials Processing Technology, Vol.209 (2009), p 124 [2] Wei Zhao, Lin Liu, Structural characterization of Ni-based superalloy manufactured by plasma transferred arc-assisted deposition, Surf. and Coatings Tech.
D., Effect of laser-supported combustion on laser-TIG hybrid heat source, Journal of Harbin Institute of Technology, Vol.35 (2003), p 695
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