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Materials and Methods Materials.
Authors deeply thank the researchers of Laboratory of organic synthesis, university of science and technology, Houari-Boumédiène (USTHB) , Algiers, Algeria, for kindly providing a tensiometer.
Jansen et al., Synthesis and performance of bio-based amphoteric surfactants, chemistry - A European Journal , 30(38) (2024 )1-6
El-Nagar, Synthesis and characterization of imidazolium-based ionic liquids and evaluating their performance as asphaltene dispersants, Materials 15 (2022) 1600
Sestan, The Influence of Type of Surfactant on Physicochemical Properties of Liquid Soap,International Journal of Materials and Chemistry, 8(2) (2018) 31-37.

Furthermore, many developers have misunderstand of construction of low-carbon residential communities, which requires expensive high-tech materials to prevent the investment motivation of developers in term of the maximum economic value.
At present, a lot of research on high-tech materials of low-carbon concept is not efficiently applied into real construction.
High-tech materials can save energy, but the production of these materials produces large amounts of greenhouse gases.
[5] Zhenyu Li : Journal of Engineering Studies Vol. 03(2011)
[6] Xiaoming Wang, Xiao-gang Chen ,Li Xiong and De Yang: Southwest China Journal Of a Agricultural Sciences Vol.19(2006)

The reaction equation between NaOH and amphoteric salt zinc stearate is: (1) The productions of reaction are easily soluble in water, therefore,, and the rest of the NaOH can be removed after soaking in water. 3 Experimemtal part 3.1 Raw materials In this test, golden valley brand P.O 32.5 R cement was from Xinxiang golden valley cement factory.
Colloid and Interface Science, 2002, 248: 521-523
Journal of Tianjin University, 2007,40（7）: 761-765 (in Chinese)
Effect of crumb tire rubber on the cracking-resistance of cement paste and mortar [ J].Journal of Tianjin University, 2006, 39(9): 1026-1030 (in Chinese)
Analysis of rubberized concrete as acomposite materials[J].

Acknowledgements The Authors would like to thank the Natural Science Foundation of China for the support for this work (No.50175022 and No.50405011). [ The author's email: zongwenjun@hit.edu.cn ] References [1] Z.
Brown, et al: Diamond and Related Materials, Vol. 8 (1999), pp. 1198-1213
Liu, et al: Journal of Materials Processing Technology, Vol. 140 (2003), pp. 358-362
Pickles: Diamond and Related Materials, Vol. 5 (1996), pp. 625-634
Cheng, et al: International Journal of Machine Tools and Manufacture, Vol. 45 (2005), pp. 783-788

One of the methods to reduce the amount of synthetic plastics is to add natural material into plastic.
Natural fibers are one of natural materials which have been increasingly used as alternative fillers in polymer composites.
Experimental Materials A commercial grade of isotactic PP (700J) was supplied by Thai Polypropylene Co., Ltd.
Thomthong, Composites Part A: Applied Science and Manufacturing, 38, 590-601, 2007
Edyham, European Polymer Journal, 38, 39-47, 2002

Fig.1 Geometry model of continuous extrusion Material model.
The H13 tool steel was used as the material for all extrusion tooling (coining roller, extrusion wheel, die, chamber).
The tooling material of these regions should have high strength.
Acknowledgements This work was financially supported by the National Natural Science Foundation (50635020).
[3] T.Katajarinne, T.Manninen, P.Ramsay: Journal of Material Processing Technology, Vol. 177 (2006), p600-603

Analysis of centromedullary nailing with implant failure Ioan Cristescu1a, Iulian Antoniac2b, Daniel Vilcioiu1c*, Florin Safta1d 1Floreasca Emergency Hospital, Orthopaedic Department, Bucharest, Romania 2 University Politehnica of Bucharest, Faculty Materials Science and Engineering, Bucharest, Romania aioancristescu@yahoo.com, bantoniac.iulian@gmail.com, cdaniel.vilcioiu@gmail.com, dfl.safta@yahoo.com Keywords: implant failure, long bones fractures, centromedullary nailing Abstract.
Material and methods We present a study on 8 patients with long bones fractures surgically treated initially with centromedullary nailing, which needed revision surgery after metallic implant failure.
[3] Bhat A.K., Rao S.K., Bhaskaranand K., Mechanical failure in intramedullary interlocking nails, Journal of Orthopaedic Surgery, 2006; 14(2):138-41
[7] Bane M., Miculescu F., Blajan A.I., Dinu M., Antoniac I., Failure analysis of some retrieved orthopedic implants based on materials characterization, Solid State Phenomena,Vol.188, 114-117, 2012

Preparation and carrying out experiment terials The main objective in creating a semipermeable membrane is the searching for biocompatible materials which due to its structure could have the necessary conditions.
These ions induce latent narrow tracks through the entire thickness of the polymeric material.
Subsequent selective etching can remove these defective areas and receive the porous material with nano pores density from 106 cm-2 to 109 cm-2.
Acknowledgement The study is financially supported by the Ministry of Education and Science of the Russian Federation, Project No. 1750 on 2014-2016.
Sigfusson, Obtaning of a polymeric electrolyte membrane a fuel cell using method of radiation- chemical processing of PVDF film, Russian Physics Journal (in Russian), v. 54, 11/3 (2003), 120-125.

Materials and methods A.
These starting materials were used for all further studies.
Rice Husk Ash as a Supplementary Raw Material for the Production of Cellulose-Cement Composites with Improved Performance.
Journal of Therrmal Analysis and Calorimetry.Vol. 93 (2008) 2,387-396
Ecology and Environmental Sciences 2011, 20(1): 154-159 [5] Pradyut Kundu·Arnab Pramanik·Sayani Mitra·Jayanta Debabrata Choudhury Joydeep Mukherjee·Somnath Mukherjee.

Thermography diagnostics of photovoltaic panels Jozef Fiala 1,a, Marcel Kuracina 1,b, Lenka Blinová 1,c, Maroš Soldán 1,d 1 Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Safety and Environmental Engineering, 49 Botanicka Street, 917 24 Trnava, Slovak Republic ajozef.fiala@stuba.sk, bmarcel.kuracina@stuba.sk, clenka.blinova@stuba.sk, dmaros.soldan@stuba.sk Keywords: photovoltaic, thermography, thermal imagers Abstract.
Malfunctions, material and insulation defects can be detected easily and fast without complicated proceedings.
Fiala et al., (2013): Study of Hydrogen Production Using Photovoltaic, Applied Mechanics and Materials, Vol. 291-294, p.593 [3] J.
Gasteratos (2013): Fault diagnosis of photovoltaic modules through image processing and Canny edge detection on field thermographic measurements, International Journal of Sustainable Energy, DOI:10.1080/14786451.2013.826223 [4] Thermal imaging guidebook for building and renewable energy applications, FLIR Systems AB (2011), Information on: http://www.flir.com/uploadedFiles/Thermography/MMC/Brochures/ T820325/T820325_APAC.pdf [5] Spagnolo, G.S. et al., (2012) A review of IR thermography applied to PV systems. 11th International Conference on Environment and Electrical Engineering, EEEIC 2012 - Conference Proceedings.