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As far as those teaching materials of thermodynamics statistical physics in china are concerned [1], internal energy U is always seen as the functions of temperature T and volume V, and enthalpy H is always seen as the functions of temperature T and pressure p.
Leff: American Journal of Physics, Vol. 37 (1969) No.1, p.65
Alifu: Journal of Xinjiang Normal University (Natural Sciences Edition), Vol. 26 (2007) No.4, p.51.
Zhuo: Journal of Dezhou University, (1990) No.2, p.47.
Dong: Science times, (2010) No.15, p.166.

With the growing demand of new materials, industries, nowadays, utilize a variety of materials to make their products on a large scale in order to improve performance and reduce cost.
Therefore, the transition welds are needed between the two materials.
Sarri, Laser beam welding of dissimilar stainless steels in a fillet joint configuration, Journal of Materials processing Technology 212, (2011) 856-867
International Journal of Innovative Research in Science, Engineering and Technology, 2 (2013) 6
Materials Science and Engineering: A, 528(22), (2011) 6971-698

Currently, scrap-and-build becomes a mainstream in the field of constructions, which would use and /or dispose a large amount of materials.
Therefore, there is no risk in residue of shot grains because no shot material is required.
Alsheyab, Recycling of Construction and Demolition Waste and Its Impact on Climate Change and Sustainable Development, International Journal of Environmental Science and Technology, Vol. 19 (2022), pp.2129-2138
Okada, Smart, Laser Micro-welding of Difficult to weld Materials for Electronic Industry, Laser-based Micro- and Nano-Processing IX, Lasers and Application in Science and Engineering, Photonics West Conference 2015 (Proc. of SPIE Vol. 9351), (2015), pp. ”935102-1”-”935102-9”
Tanaka: X-ray Stress Measurement by Cosα Method Using Two-dimensional Detector, Journal of the Socie-ty of Materials Science, Japan.

Luminescence Properties of Phosphor (Sr1-xBax) 1.95SiO4: 0.05Eu2+ Zixu Jiang1, a, Kehui Qiu1, b*, Xueguang Lu2, c, Kun Zhao2, d and Xia He1.e 1Institute of Materials Science and Technology, Chengdu University of Technology, Chengdu 610059, China 2Sichuan Sunfor Light Co.
The raw materials including SrCO3 (AR), BaCO3 (AR), SiO2 (AR) and Eu2O3 (99.99%), that were accurately weighted according to the chemical composition and mixed in agate mortar.
Materials Science and Engineering B 146 (2008) 99-102 [5] X.G.
Materials Letters 65 (2011) 891-893 [11] A.
Optical Materials 35 (2013) 1642-1645 [15] J.S.

Introduction Cf/C composites are absorbing structural materials particularly at high temperatures.
The purpose was to explore a process of improving oxidation resistance of carbon materials.
Low-cost raw materials are used, these reduce the production costs.
Inagaki: New Carbon Materials Vol.14 (1999), p. 1 [2] R.Y.
Xu: Materials Sci. & Eng.

Experiment Materials and instrument Materials: lanthanum chloride (AR), copper chloride (AR), sodium hydroxide (AR) and potassium dihydrogen phosphate.
Journal of Anhui agr.i Sci.
Wenpo.Journal of Environmental Sciences, Vol.22(2010),p.507-511
Chemical Engineering Journal.
Journal of Hazardous Materials.

Highly c-axis oriented Barium Titanate ferroelectric films deposited on SrTiO3 substrate using an off-axis sputtered conductive oxide layer as bottom electrode Wei Zhang, Meiling Yuan, Xianyang Wang, Jun Ouyanga Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Engineering Ceramics Key Laboratory of Shandong Province, School of Materials Science and Engineering, Shandong University, Jinan, Shandong 250061, China a Corresponding author: ouyangjun@sdu.edu.cn Keywords: BaTiO3, ferroelectric films, preferred orientation, RF-magnetron sputtering, off-axis sputtering Abstract.
Ramesh: Materials science and Engineering R.
Eom et al.: Science.
Ito: Journal of Crystal Growth.
Dragan: Journal of the European Ceramic Society.

Generally designers are not familiar with magnetic material and its property.
Choice and acceptance of magnetic material and confirming its magnetic property It is strongly advised that rare-earth permanent magnetic material Nd-Fe-B and Sm-Co alloys are as the optimal choice for magnetic transmission.
The upper part of the screen interface includes condition items such as materials, temperature, and pressure and so on.
References [1] WANG Hongqun, YU Peiqing, ZHANG Zhigeng: Heavy Machinery, Vol.6 (2006), p.1 [2] ZHAO Kezhong: Technology and Equipment of Magnetic Transmission (Chemical Industrial Press, Bejing 2004) [3] ZHONG Wending: Ferromagnetics (Science Press, Beijing 1998) [4] WANG Hongqun, YU Peiqing, ZHANG Zhigeng: Journal of Machine Design, Vol. 10 (2008), p.51 [5] WANG Hongqun, YU Peiqing: Process Equipment & Piping, Vol. 9 (2010), p. 241 [6] YU Peiqing, WANG Hongqun, ZHANG Zhigeng: CN Patent, 200510041415.4 (2009)
[7] WANG Hongqun, YU Peiqing: Mechanical Engineer, Vol. 10 (2008), p.45 [8] YU Peiqing, WANG Hongqun, ZHANG Zhigeng: Study and analysis of magnetic transmission, in Science Association Annual Forum, China Science and Technology Press (2005), p.62 [9] WANG Hongqun, YU Peiqing, ZHANG Zhigeng: Modern Machinery, Vol. 3 (2008), p.46 [10] WANG Hongqun, YU Peiqing: Heavy Machinery, Vol. 5 (2009), p. 36 [11] HG/T 3648-1999 Magnetic Driven Autoclaves, released by Petroleum and Chemistry Bureau of P.R.C.

Introduction Thermal protection materials on hypersonic aerospace vehicles will be exposed to temperatures of 1500°C and above.
Zaykoski, Oxidation-based materials selection for 2000°C + hypersonic aerosurfaces: theoretical considerations and historical experience, Journal of Materials Science.39 (2004) 5887-5904
Zimmermann, Processing and characterization of ZrB2-basedultra-high temperature monolithic and fibrousmonolithic ceramics, Journal of Materials Science.39(2004) 5951-5957
Kerans, A model for transitions in oxidation regimes of ZrB2, Materials Science Forum.595-598 (2008) 823-832
Christensen, Mechanics of Composite Materials, HihnEiley& Sons, New York, 1979.

is replaced by F, B, A and M. , and are the material parameters.
Acknowlegement This work is supported by the Doctoral Found of Qingdao University of Science & Technology, the Natural Sience Foundation of Shandong Province (No. 2009ZRB019X3) and the National Natural Science Foundation of China (No. 50805042).
[7] Jacques PJ: Current Opinion in Solid State and Materials Science.
[9] Barlat F, Lian J: International Journal of Plasticity Vol.5(1989), p.51
[10] Lian J, Barlat F and Baudelet B: International Journal of Plasticity Vol.5(1989), p.131