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It follows that the hydrochloric acid doped polyaniline is the main material embodied catalytic properties.
Acknowledgements This work was financially supported by National Science Foundation of Jiangxi province (20122BAB213012).
Chen, The preparation of Acid doped nanostructured polyaniline fiber and the study of the esterification performance, Journal of science and technology of kunming university (edition of science), 35(2)（2010）98-101
Yang, The application and research progress of polyaniline in catalytic field, Polymer Materials Science and Engineering, 26 (9) (2010) 159-162
Meng etc., Journal of shandong institute of building materials, 13 (3) (1999) 259-261

The addition a small concentration of Re to W increased the strong and plastic deformation of materials W alloy.
Elastic properties are fundamental properties of solid materials.
Applied Physics A: Materials Science & Processing, vol. 77, no. 1, June 2003, pp. 159–61
“Research and Application of Rare Earth Tungsten Electrode Materials.” 
Materials Science Forum, vol. 847, Mar. 2016, pp. 65–71

Discontinuous Yield and Large Deformation Analysis on Rotating Disk Based on J2 deformation theory Hu Shaowei1 1Department of Materials and Structural Engineering, Nanjing Hydraulic Research Institute, Nanjing 210024, China Keywords: rotating disk, large deformation, discontinuous yield of material, J2 deformation theory, bursting speed Abstract: Rotating discs are used widely as important structural elements in mechanical engineering.
For the purpose of instability, two specific materials were chosen for analysis.
The two materials were characterized by having the same tensile strength of 77.5 ton/in2.
References [1] Zaid, Full plastic rotating disk with large strains, journal of the aeronautical science, Vol.20, No.6, pp.369-377, june, 1953
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Introduction p-type semiconductors are important materials for developing optoelectronic devices such as large area flat-panel displays, solar cells and light-emitting diodes.
Of these, Cu2S is considered to be promising materials as absorbers of visible light, due to the bandgap energy between 1.2eV and 2.4eV[1-2].
ZnO has been a heated object in recent years, as a potential ultraviolet, blue and other visible optical device materials owing to its wide and direct band gap about 3.1-3.3eV[3-6].
Applied Surface Science, 2011, 258: 1797−1805
Applied Mechanics and Materials Vols. 271-272 (2013) pp 301-304

The following materials were used for the production of ductile iron castings.
[14] Lei Raoa, Wei-wei Tao, Shuang-jun Wang, Mao-peng Geng, Guo-xiang Cheng, Influence of the composition ratio of manganese and copper on the mechanical properties and the machining performance of ductile iron, Indian Journal of Engineering & Materials Sciences 21 (2014) 573-579
Villanueva, Mechanical properties dependency of the pearlite content of ductile irons, Journal of Achievements in Materials and Manufacturing Engineering 33 (2009) 150--158
[24] Onuchukwu Chike Godwin, Onuchukwu Nnamdi Augustine, Design and Fabrication of an Oil-Fired Lift – Out Cast-Iron Crucible Furnace using Locally available Materials, International Journal for Research in Applied Science & Engineering Technology 7 (2019) 2321-9653
Oridota, Effect of Magnesium and Calcium as Spheroidizers on the Graphite Morphology in Ductile Cast Iron, Journal of Minerals & Materials Characterization & Engineering 6 (2007) 25-37

This method has also a good application effect to other materials and great significance to guide actual production.
The results show that this method has a good application effect to other materials and great significance to guide actual production.
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Chen, Structure and multiferroic properties of barium hexaferrite ceramics, Journal of Magnetism and Magnetic Materials. 327 (2013) 87-90
Yue, High-frequency magnetic properties of low-temperature sintered Co-Ti substituted barium ferrites, Materials Science and Engineering : B. 99 (2003) 270-273
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Materials and methods Materials.
Zhu: Journal of Agro-Environment Science.
Ma: Journal of Hazardous Materials.
Ma: Journal of Environmental Sciences.
Yang: Journal of Hazardous Materials.

Introduction High-entropy alloys (HEAs) are new alloys in materials science with many unique properties and broad application potential.
Progress in Materials Science, 2019. 102: p. 296-345
Progress in Materials Science, 2014. 61: p. 1-93
Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science - METALL MATER TRANS A, 2006. 37: p. 1363-1369
Journal of Materials Science, 2020. 55: p. 1-14