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Acknowledgment This work was performed within the framework of the project “Preparation of advanced materials from various ashes” funded by the Mongolian Foundation for Science and Technology (MFST)  under the Ministry of Education, Culture, Science and Sports of Mongolia (MECSS).
Forum 803 (2015) 144-147
[9] European standard, EN 197-1:2011, Cement part 1: composition, specification and conformity criteria for common cement (2011) [10] ASTM C618, Standard specification for coal fly ash and raw or calcined natural pozzolan for use in concrete (2012) [11] P.Balaz, Mechanochemistry in Nanoscience and Minerals Engineering, Springer, Verlag Berlin Heidelberg, 2008
[16] ASTM C20-00, Standard test methods for the apparent porosity, water absorption, apparent specific gravity, and bulk density of burned refractory brick and shapes by boiling water (2010) [17] А.Minjigmaa, G.Oyun-Erdene, Ts.Zolzaya, B.Davaabal, J.Amgalan, J.Temuujin, Phosphorus fertilizer prepared from natural Burenkhaan phosphorite (Mongolia) by a mechanical activation, Geosystem Engineering, 19 (2016) 119-124.

Advances in Materials Science and Engineering. 2010 (2010)
J. 7th International Forum on Strategic Technology (IFOST - 2012). 1 (2012) 384 - 387

Internet based Chinese Language Distance Education System Lu Dong1 , Wu Zhou 2 1 Department of Information Engineering; Henan Vocational Technology College; Zhengzhou 450046, China 2 Department of Computer; Guangdong Songshan Polytechnic College; Shaoguan 512126, China lidongsmis@126.com Keywords: Distance Education; Chinese Language; internet environment Abstract.
Therefore, the international promotion of Chinese language to achieve six major changes: the more a single foreign language teaching in all directions of Chinese Language Council International; from the foreigners, "Please come in" Learning Chinese into "Please come in" and "going out" a combination ; from professional Chinese language instruction into a mass, popular type, application type Chinese teaching; the education system into a simple teaching system of internal and external services to the community and serve the state, government and civil, domestic and abroad to advance the cause; promotion model implementation of the scheme undertaken by the government into a government driven by the market;-face from the paper-based materials to promote the main changes to the multimedia network [2] [3].
[4] Tien-wei, Chinese word processing software in the Chinese language teaching and the role of [A], foreign language FORUM (2) [C], Shanghai: Shanghai Foreign Language Education Press, 2002.

., Central South University, Changsha 410083, Hunan, China b School of Mechanical & Electrical Engineering,Central South University,410083,Hunan, China c Australian Key Centre for Microscopy & Microanalysis,The University of Sydney,NSW, Australia Keywords: Al alloy, microstructure, Scandium,Zirconium Abstract: The microstructures of Al-0.2Sc and Al-0.2Sc-0.12Zr alloys have been investigated.The results show that Al3Sc and Al3(Sc1-xZrx) dispersoids exist in as-rolled Al-0.2Sc and Al-0.2Sc-0.12Zr alloy respectively, and their orientation is (001)α║(001)dispersoid, [010]α║[010]dispersoid.The Al3Sc particles in as-rolled Al-0.2Sc were precipitated from hot rolling process, while the larger Al3(Sc1-xZrx) particles in as-rolled Al-0.2Sc-0.12Zr from the solidification, and the small particles also from hot rolling process.
As we know, the Al3Sc particles are initially fully coherent with the matrix,and there are at least three possible grain boundary/dispersoid interactions when an advanceing high angle grain boundary is passing a coherent Al3Sc dispersoid: The Al3Sc dispersoid retains its global orientation relationship and thus loses its coherency with the surrounding matrix; The Al3Sc dispersoid rotates as the grain boundary passes; The Al3Sc dispersoid dissolves at the grain boundary and re-precipitates in the recrystallised grain.
,Mater.Sci.Forum,331-337,799-803(2000)

Joining of 1100 Al alloy to AISI 1045 carbon steel by friction stir welding N.Karimi1, M.Shakeri2, M.Habibnia 3, S.Nourouzi 4, Department of Mechanical Engineering; Babol University of Technology, Iran 1N.Karimi@stu.nit.ac.ir , 2Shakeri@nit.ac.ir, 3M.Habibnia@stu.nit.ac.ir and 4S-Nourouzi@nit.ac.ir Keywords: FSW, Dissimilar joint, tool offset, tool rotational speed Abstract: Joining of dissimilar materials like Al alloy to carbon steel is attractive for industrial applications such as automotive industry.
The carbon steel was in the advancing side.
Hotta, Joining of steel to aluminum alloy by interface-activated adhesion welding, Materials Science Forum 426–432 (2003) 4129–4134.

A Case Study on the Air Flow Characteristics of the Hirobo-FALCON 505 Controllable Helicopter’s Main Rotor Blade ZIAD Bin Abdul Awal1, a *, MOHD Shariff bin Ammoo1, b 1Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia axiadawal@yahoo.com, bmshariff@fkm.utm.my Keywords: Airfoil, turbulent flow, main rotor, hover, vortex, streamline, simulation.
One of the most relevant approaches to obtain the aerodynamic characteristics and for inclusive perceptive of a helicopter is to demeanor wind tunnel test on small-scaled prototype in order to advance performance either by design or operational changes.
Celi, Recent Applications of Design Optimization to Rotorcraft-A Survey, American Helicopter Society 55th Annual Forum, Montreal, (25-27 May 1999).

Yashchishyn2,e 1Faculty of Mathematics and Physics, Charles University in Prague, V Holešovičkách 2, CZ-18000, Praha 2, Czech Republic 2Galkin Donetsk Institute for Physics and Engineering, National Academy of Science of Ukraine, Luxemburg Street 72, 83114 Donetsk, Ukraine aoksivmel@yahoo.com, bjakub.cizek@mff.cuni.cz, civan.prochazka@mff.cuni.cz, dkonstantinova@nas.gov.ua, ematscidep@aim.com Keywords: positron annihilation, positronium, yttria stabilized zirconia, chromia.
Advances in Ceramics Vol. 3 (The American Ceramic Society, Columbus, OH 1981)
Forum Vol. 255-257 (1997), p. 772-774 [5] A.

Meanwhile, the goverment proposed the goals that we should advance ecological civilization and build a beautiful China.
Publising, Electrical and Mechanical Engineering(2010)1:P1-4
Publising, China Science and Technology Forum(2010)2:P61-66

Engineering College, Bharatpur, Rajasthan-321001, India a2020ppe5203@mnit.ac.in, bpankaj.mech@mnit.ac.in, cblgbharatpur@gmail.com *pankaj.mech@mnit.ac.in Keywords: Hybrid natural fiber reinforced composite, Flax fiber, Wool fiber, Mechanical properties.
In contrast to homogenous materials such as metals, composites are a synergetic combination of more than one engineered material that differs in composition, and form, have two or more distinct phases with a noticeable interface between them and have properties even beyond the limit of those of the constituents [1] [2].
Hybrid polymeric composites are newer and more advanced than conventional fibers reinforced polymer composites.
Rethwisch, Materials science and engineering an introduction, tenth ed., Hoboken, NJ: John Wiley & Sons, Inc., 2018
Forum. 969 (2019) 266–270

At the same time, engineering innovations were developed for electromechanical equipment that could automatically record data obtained during a fire experimentally.
The above mathematical, scientific, and engineering breakthroughs provided the foundation for the first revolution in fire resistance testing.
History of Fire Protection Engineering, National Fire Protection Association, Quincy, MA, 2003
Chow, Review on the requirements on fire resisting construction, International Journal on Engineering Performance Based Fire Codes. 3 (2002) 68–83
Poklonsky, Refinement of the parameters of concrete "stress-strain" diagram at elevated temperatures, Bulletin of Odessa State Academy of Civil Engineering and Architecture. 46 (2012) 360–367