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Materials Seven power plants and industries where the fly ash samples collected are in Jawa Island, Indonesia.
[5] American Society for Testing and Materials (ASTM) 1240, Standard Specification for Silica Fume Used in Cementitious Mixtures, USA (2006)
[12] Van Jaarsveld, J.G.S., Van Deventer, J.S.J., and Lukey, G.C, The characterisation of source materials in fly ash-based geopolymers,.
Science Direct.
Materials Letters 57 (2003), p.1272–1280

In 2009, we conducted a test on pineapple leaf fibers’ formaldehyde removal performance with a removal rate of 97.5% and this feature is unmatched by other textile materials.
Materials and Methods Test Materials Raw fibers are from pineapples grown in Hainan Province and extracted by GZ-266 pineapple leaf fiber decorticators developed proprietarily by Institute of Agricultural Machinery, Chinese Academy of Tropical Agricultural Sciences.
[6] Xiaohua Huang, Dingquan Shen, Journal of Textile Research, 2006, 27(1): 75-77.
[8] Xianggang Yin, Junkai Hua and Weidong Yu, Plant Fiber Sciences in China, 2003, 25(5): 243-248.
In Chinese [9] Shuangquan Liao, Fengguo Ma and Ziqiang Shao, Journal of Cellulose Science and Technology, 2002, 10(2): 37-42.

They have proposed in the report the concept of applying nano modifying technology into asphalt cementing materials [1].
Eidt in the US is the first to apply Nano composite technology in polymer / phyllosilicate nano composite materials into modified asphalt [2].
Perspective on nanotechnology in construction materials with a focus on asphaltic materials.
Florida：NSF Workshop on Nano modifications of Cementitious Materials rR]. 2006 [2] Gao Qibiao, Shentu Baoqing, Weng Zhixue.
Journal of Shandong Jiaotong University, 2004(4): p10.

This paper focusses on the development of materials for exhaust gas components.
Introduction Based on the material costs connected to the mechanical, physical and chemical properties, the development of materials for exhaust gas components in combustion engines is promoted.
Another effect occurred during the analyzation of the oxidation rate of the materials.
Anžel, High Temperature Oxidation of Metals and Alloys, Metalurgija - Journal of Metallurgy 13 (2007) 325-336
Castro et. al, A thermodynamic approach to the compatibility of materials combinations for recycling, Resources, Conservation and Recycling 43 (2004) 1-19

The authors proposed a topology optimization method to optimize the distribution of materials within an electrical machine using the Genetic algorithm (GA) [2], and then introduced a concept of cluster and a cleaning procedure of materials [3, 4].
This cleaning procedure for the small cluster of material can remove the floating pieces of material.
Iron cluster 1 Iron cluster 2 Iron cluster 3 Iron cluster 1 (a) Before cleaning procedure (b) After cleaning procedure Fig. 2 Cluster of materials and cleaning method.
Fig. 3 shows an obtained rotor structure by considering x- and y-oriented magnets, air and iron as materials in the rotor.
Kurita, IEE Japan, Journal of Industry Applications, Vol.4, No.4 (2015), p.469.

Introduction The building materials have specified serviceability.
Cementitious materials also exhibit a life limit.
The service life is largely controlled by the materials parameters, service condition, outdoor exposition and maintenance [1, 2].
Prediction of building materials and components, Materials and structures, 22, No. 131, 1988
Fardis, Physical and chemical characteristics affecting the durability of concrete, ACI Materials Journal, 88, No. 2, 1991

Most of prior works on DSSC is reported by using several types of wide band gap materials such as titanium dioxide (TiO2) [4], zinc oxide (ZnO) [5] and magnesium oxide (MgO) [6] are identifying as one of the important material on the fabrication process.
The wide band gap material of TiO2 plays a role as gripping and absorbs place for the dye molecules.
Meanwhile, the natural dye material is used to adsorb light and produce of electrons.
Wellmann: Proceedings on Advanced Materials and Concepts for Photovoltaics EMRS 2007 516, (2008), pp. 7256–7259 [9] M.
Ramesha: International Journal of Science and Research (IJSR), Vol. 3, 2014, pp.416-419

Thus, the experiments and engineering applications of mechanical behaviors of CFRP bars external pre-stressing continuous box beam are significantly meaningful to promote developments of the bridge structure theories and the utilization of FRP materials.
Because of that, CFRP carbon fiber bars with the diameter of 7mm are used as pre-stressed tendon materials of the supporting point of Model 1.
CFRP bars belong to the linear elastic materials.
According to definitions and foreign materials of conditional yield points of the high-strength steel wires (under normal conditions, nominal yield points of FRP bars of foreign countries are between 70% and 85% of the ultimate strength).
Performance of the materials will be given full play in terms of providing tensile properties of normal section.

Acknowledgements The studies were carried out as part of the basic part of the state assignment №FSFF-2020-0017 to universities on the topic “Theoretical and experimental research in the field of obtaining and processing advanced metal and composite materials based on aluminum and titanium alloys” using the equipment of collective resource center “Aerospace materials and technologies” of the Moscow Aviation Institute.
Porous laminated composite materials based on titanium in hip arthroplasty.
Materials and Design 160 (2018).
Journal of Materials Processing Technology 240 (2017).
Gogia, "Ti based biomaterials, the ultimate choice for orthopaedic implants–A review," Progress in Materials Science, vol. 54, pp. 397-425, 2009

The temperatures and nature of phase transitions determine the conditions for obtaining fibers, as well as further molding composite materials on the basis of combined filaments of a thermoplastic with carbon fibers.
Previously, fiber materials with a diameter of about 30 μm were obtained from these materials, which were investigated later on [1].
Lower temperatures of phase transitions and crystallization rates can play a positive role in providing better adhesion of reinforcing fibers in the preparation of composite materials from combined filaments.
Material properties and fabrication parameters in selective laser sintering process / I.Gibson, D.P.Shi // Rapid prototyping journal. – 1997. – V. 3. – № 4. – Р. 129-136
Influence of Layer Thickness and Raster Angle on the Mechanical Properties of 3D-Printed PEEK and a Comparative Mechanical Study between PEEK and ABS / W.Wu, P.Geng, G.Li, D.Zhao, H.Zhang, J.Zhao // Materials. – 2015. – V. 8. – Р. 5834-5846