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The 52nd volume of the journal presents research results and engineering solutions in green building materials, modelling and calculations by structural mechanics approaches of embankment dams, cantilever retaining walls and assessment of the hygrothermal performance of bioclimatic innovative constructions for onion bulb preservation.
The volume will be useful to engineers in construction, machinery, power engineering and ecological safety.
Green Building Materials, Mortar, Concrete, Embankment Dam, Structural Mechanics, Hydrothermal Performance, Wastewater Treatment, Flocculants, Power Engineering

Morphology and Properties of Poly(Lactic Acid)/Ethylene Propylene Diene Monomer Blends with Micro-Cellulose Fibers from Paper Pulp Pattara Somnuakea, Phirapong Puttawongb and Sirirat Wacharawichanantc* Department of Chemical Engineering, Faculty of Engineering and Industrial Technology Silpakorn University, Nakhon Pathom, Thailand aKarn.P17@gmail.com, bPhirapong_20@hotmail.com, cwacharawichanan_s@su.ac.th Keywords: poly(lactic acid), micro-cellulose, ethylene propylene diene monomer, polymer composites Abstract.
Acknowledgements The author would like to thank Professor Dr.Piyasan Praserthdam, a member of the Center of Excellence on Catalyst and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, for some characterization equipment support and many thanks for her useful advice and assistance to Miss Nipawan Yasamlee.
Nayak, "Toughening of polylactic acid using styrene ethylene butylene styrene: Mechanical, thermal, and morphological studies," Polymer Engineering & Science 56 (2016) 669-675
Peng, "Super tough poly(lactic acid) blends: a comprehensive review," RSC Advances 10 (2020) 13316-13368
Thongyai, "Mechanical and thermal properties of polyoxymethylene nanocomposites filled with different nanofillers," Polymer-Plastics Technology and Engineering 53 (2014) 181-188

Stefanenko, Modified heat-resistant concrete using slag aggregates, IOP Conference Series: Materials Science and Engineering. 962 (2020) 9. https://iopscience.iop.org/article/10.1088/1757-899X/962/2/022015/pdf
Akchurin, Filling of epoxy polymers as a factor in obtaining a multicomponent composition with improved strength properties, Bulletin of the Volgograd State University of Architecture and Civil Engineering.
Ghorpade Vaishali, Strength and workability characteristics of fly ash based glass fibre reinforced high-performance concrete, International Journal of Engineering Science and Technology. 3 (8) (2011) 6266-6277
Evans, Durability of concrete with differential concrete mix design, International Research Journal of Engineering and Technology (IRJET). 7 (4) (2020) 696-701
Hilal, The possibility of enhancing some properties of self-compacting concrete by adding waste plastic fibers, Journal of Building Engineering. 8 (2016) 20-28

Jones, Engineering Materials 2 – An Introduction to Microstructures, Processing and Design, Pergamon Press, 1986
Engineering 57, 409 (1988)-
Forum 269-272, 577 (1998)
Le Claire, Correlation Effects in Diffusion in Solids, in: Physical Chemistry – an Advanced Treatise, Vol.
Forum. 15-18, 529 (1987)

Minakova1,d 1Construction Engineering Institute, Belgorod State Technological University named after V.G.
Timokhin, Composite binders for concrete of protective structures, Magazine of Civil Engineering. 82 (6) (2018) 208–218.
Guryanov, External reinforcing of fiber concrete constructions by carbon fiber tapes, Magazine of Civil Engineering. 1 (2013) 21-26.
Advances in Environmental Biology. 8 (13) (2014) 134–138
Shatalova, New point of view on materials development, IOP Conference Series, Materials Science and Engineering. 11 (2018) p. 032020

Perez1,f* 1Nanotechnology Research Laboratory, Department of Chemical Engineering, University of the Philippines Diliman, Quezon City, Philippines anmsaporsantos@up.edu.ph, bedgarclydelopez09@gmail.com, ckobichristiango@gmail.com, dkynan.daro@gmail.com, ehsmedrano@up.edu.ph, f*jdperez@up.edu.ph Keywords: Metal-Organic Frameworks, MIL-101 (Fe), Chitosan, Polyvinyl Alcohol, Methyl Orange, Adsorption.
While advanced oxidation processes are effective for the partial to complete degradation dyes in water [6- 8], the production of undesired by-products and their cost make them less competitive than adsorption.
Forum, 950 (2019) 149-153
Recent advances in metal organic framework and cellulose nanomaterial composites.
IOP Conference Series: Materials Science and Engineering, 509, 012048. https://doi.org/10.1088/1757-899x/509/1/012048

Since then, the technology has advanced rapidly, and the number of AM processes and materials available has expanded significantly [6, 7].
Hernandez, “A Review of Additive Manufacturing,” ISRN Mechanical Engineering, vol. 2012, p. 208760, 2012
Vanapalli, “3D printing technologies in various applications,” International Journal of Mechanical Engineering and Technology, vol. 7, no. 3, pp. 396–409, 2016
Zoltán, “Investigation on 3D Printing Parameters of PLA Polymers for Gear Applications,” in Vehicle and Automotive Engineering 4, K.
Regula, “Importance and utilization of 3D printing in various applications,” International Journal of Modern Engineering Research, vol. 02, pp. 24– 29, Jan. 2016

The discrete element (DE) method [4] for modelling particle dynamics is increasingly being applied to a wide range of engineering problems.
Stranart: International Journal of Impact Engineering, Vol.27 (2002), pp.119-134
Owen: Engineering Computations, Vol.17 (2000), pp.593-619
Yu: Engineering Computations, Vol.17 (2000), pp.680-702
Shaw: submitted to Advances in Engineering Software, (2006)

It has numerous applications in residential, industrial and engineering such as power production, air coolers, nuclear reactor cooling, heat and conduction in tissues, etc.
The study of non-Newtonian fluids is most important in the areas of science and engineering.
Nowadays, various research is going has been conducted on nanofluids due to its many applications in industries and engineering such as heat exchangers, radiators, hybrid-powered engines, solar collectors etc.
Eastman, “Enhancing thermal conductivity of fluids with nanoparticles, ASME International Mechanical engineering, 66 (1995) 99-105
Makinde, Unsteady magnetohydrodynamic Casson fluid flow over a vertical cone and flat plate with non-uniform heat source/sink, International Journal of Engineering Research in Africa, 21 (2016) 69-83

Power Supply Prognostics and Health Management of High Reliability Electronic Systems in Rugged Environment Yong GUAN1,a，Shengzhen JIN1,b，Lifeng WU1,c，Wei PAN1,d，Yongmei LIU1,e，Jie ZHANG2,f 1Collage of Information Engineering, Capital Normal University, Haidian Dist., Beijing 100048, China 2College of Information Science and Technology, Beijing University of Chemical Technology, Chaoyang Dist., Beijing 100029, China aguanyong@mail.cnu.edu.cn, bjsz@sst.bao.ac.cn, cwooleef@gmail.com, dbjpanwei@sohu.com, esnowflash@163.com, fjzhang@mail.buct.edu.cn Keywords: Prognostics and Health Management, High Reliability, Power Supply Abstract.
PHM including two meanings; first, the fault predication, it means the system complete its function in advance and definite normal work time length; Second, the health management, it means the ability to make a suitable policy according to the diagnosis/forecast information, the available resource and the use demand.
[8] Johnson S B.: Introduction to system health engineering and management in aerospace, First International Forum on Integrated System Health Engineering and Management in Aerospace, November 7-10, 2005, p.234-239
[14] Ynagming Guo, Xiaobin Cai, Baozhen Zhang et al.: Prognostics and health management technology for new-gener-ation weapon, Computer Engineering and Applications, 2008, 44(13), p.199-202
[16] Bo Sun, Rui Kang, Jinsong Xie: Research and application of the prognostic and health management system, Journal of Systems Engineering and Electronics, 2007, 29(10), p.1762-1767