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The weighed reaction materials were mixed sufficiently in steel pipes whose inner face was rinsed by NaOH solution and 30%( in mass) HCl.
J .Feng: Progress in Materials Science, Vol. 39 (1995), p. 243-273
Yuan: Journal of Materials Processing Technology, Vol. 137 (2003) No.1-3, p. 30-34
Ma: Materials Review (in Chinese), Vol. 19 (2005) No.8, p. 72-75
He: Materials for Mechanical Engineering, Vol. 25 (2001) No.3, p. 32-34

Although there is no physical limit for the value of Z, thermoelectric materials did not exceed ZT ~ 1 for almost 50 years.
Many research groups are looking for new materials, with better figures of merit, and compatible with solid-state electronics.
Values of thermoelectric properties of state-of-theart materials taken from literature.
Boyer, "Growth of Bi2Te3 and Sb2Te3 thin films by MOCVD," Materials Science and Engineering, B64, 19-24, (1999) [7] A.
Foucaran, "Flash evaporated layers of (Bi2Te3-Bi2Se3)(N) and (Bi2Te3-Sb2Te3)(P)," Materials Science and Engineering, B52, 154-161, (1998) [8] Luciana W. da Silva and Massoud Kaviany, "Miniaturized Thermoelectric Cooler," IMECE'02 [9] Gao Min, D.M.

It was frequently used for biodegradable packing materials [3].
Chemical Engineering Journal 166 (2011) 772–778
Journal of Reinforced Plastics and Composites (2012) 31: 425
Suardana, Yingjun Piao, Jae Kyoo Lim, Mechanical properties of hemp fibers and hemp/pp composites: effects of chemical surface treatment., Materials Physics and Mechanics 11 (2011) 1-8
J. of Materials Science., 38 (2003) 3159 – 3168

For organic materials in WAS is in the form of particulates, and this makes hydrolysis of these particulates the obstacle when digestion process is employed for treatment [4, 5, 6].
However, early investigation shows that hydrolysis of the organic particulates could be enhanced both in organic material degradation and in biogas production, especially in small- and medium-sized WWTPs [7].
Materials and methods Source of WAS and seed sludge.
Further increase of aeration also caused the organic materials exhausted then lead to the decrease of SCFAs accumulation.
L.: Journal Water Pollution Control Federation Vol. 47 (1975), p. 30-45 [5] Eastman, J.A. and Ferguson, J.F.: Journal Water Pollution Control Federation Vol. 53 (1981), p. 352-266 [6] Li, Y.Y. and Noike T.: Water Science and Technology Vol. 26 (1992), p. 857-866 [7] Müller J.A.: Water Science and Technology Vol. 44(2001),p. 121-128 [8] Mata-Alvarez: Biomethanization of the Organic Fraction of Municipal Solid Wastes (IWA publishing, London 2003) [9] Hasegawa, S., Katsura, K., Proceedings of the Second International Symposium on Anaerobic Digestion of Solid Wastes, Barcelona, vol. 1 (1999), p.145–152 [10] Min Zhu, Fan Lü, Li-Ping Hao: Waste Management Vol. 29 (2009), p. 2042–2050 [11] Prit, S.J., Lee, Y.K.: FEMS Microbiology Letters 18 (1983), p. 61–63 [12] Johansen, J.E., Bakke: Water Science and Technology 53 (2006), p. 43–50 [13] Gerritse, J., Schut, F., Gottschal, C.: FEMS Microbiology Letters 66 (1990), p. 87–94 [14] Kato, S., Haruta, S., Cui, Z.J., Ishii, M., Igarashi, Y.

Screw press has been used in oil extraction with a long history, both for cold and hot pressing of vegetable oil materials.
In the squeezing chamber, the pressing screw roller is a key working part, it will push and extrude the oil materials while working, leading to the volume change in the chamber and the increase of extrusion force, thus squeezing oil from materials [7].
The pressing screw roller is an assembly part, of which the pressing screw is the most essential element, working under the condition of the friction force from oil materials and various kinds of resistance forces, with its surface wear and screw tooth fracture as the main failure forms [6,7].
It can be solved effectively by optimizing structure design, choosing different materials, improving processing methods or using different heat treatment methods, thus making the whole system more secure and reliable. 2.
China oils and fats, Vol. 21 (1996), p. 49 [8] Shilong Li: Journal of cereals & oils, Vol. 23 (2010), p. 7

Semisolid materials with a non-dendritic microstructure have a complex rheological behavior such as pseudo-plasticity and thixotropy.
Table 1 shows selected materials properties.
Properties of the materials.
Journal of Materials Engineering and Performance 19-17 (2022) [7] A.
University of Science and Technology Beijing. (2011)

Recycling of such wastes by incorporating them into building materials is a practical solution to the pollution problems [4].
The crushed dolomite are used as aggregate in Portland cement concrete for roads, buildings and other structures and in combination with bituminous materials for roads and similar construction.
World Academy of Science, Engineering and Technology, 4(7), 670-674
ARPN Journal of Engineering and Applied Sciences, 4(4)
[7] American Society for Testing and Materials (ASTM). (2011).

A new method for determining thickness of river incision layersin high mountain and deep river valley areas Yaqun Liu1, Haibo Li1, Qitao Pei1,2*, Jingsen Liu1 1State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, CHINA 2Key Laboratory of Geotechnical Mechanics and Engineering of Ministry of Water Resources, Yangtze River Scientific Research Institute, Wuhan 430010, CHINA *yqliu@whrsm.ac.cn; pqt01@163.com Keywords:river valley evolution; river terrace; river incision; mathematical statistics; tectonic movement Abstract: In high mountain and deep river valley areas, geological materials of river valley evolution are often missing or incomplete.
XDB10030202) and the National Natural Science Foundation of China (Grant Nos. 51174190 and 51025935).
Advances in Water Science 2011; 22(3): 367-372
Northwestern Seismological Journal 2003; 23(4): 395-403.
Quaternary Sciences 2006; 24(2): 236-243.

Berg, in: Journal of Applied Physics.
Seiz, in: Computational Materials Science.
Fife, in: Materials Science and Engineering: A.
Iuliano, in: Journal of Manufacturing and Materials Processing.
Ye, in: Journal of the European Ceramic Society.

Nitrogen adsorption/desorption isotherms; inset: the electrical conductivity of Ti0.7W0.3O2 compared to that of others non-carbon materials.
International Journal of Hydrogen Energy, 2010. 35(4): p. 1719-1726
International Journal of Hydrogen Energy, 2017. 42(16): p. 11622-11631
-J., et al., Ta and Nb co-doped TiO2 and its carbon-hybrid materials for supporting Pt–Pd alloy electrocatalysts for PEM fuel cell oxygen reduction reaction.
Journal of Power Sources, 2006. 160(2): p. 987-990.