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Rao, Materials for Gas Turbines – An Overview.
Materials at High Temperatures, 33 (2016) 549–559. doi:10.1080/09603409.2016.1183068 [5] F.
Progress in Materials Science. 81 (2016) 55-124. https://doi.org/10.1016/j.pmatsci.2016.01.001 [6] H.
Advanced Engineering Materials. 15 (2012) 191–215. doi:10.1002/adem.201200231 [7] X.
Xu, Influence of nano-Y2O3 addition on microstructure and tensile properties of high-Al TiAl alloys, Materials Science and Engineering A (2020) 139803. doi:10.1016/j.msea.2020.139803 [9] X.

Consequently, selecting the appropriate materials for aerospace applications becomes crucial [1-2].
Sheets of both alloys were obtained as raw materials, measuring 1400 mm in length, 100 mm in width, and 3 mm in thickness.
Venugopal Rao, Role of Threaded Tool Pin Profile and Rotational Speed on Generation of Defect Free Friction Stir AA 2014 Aluminium Alloy Weld, Defence Science Journal, Vol. 66, No. 1, 2016
Ghahramania, Effect of Pin Profile on Defects of Friction Stir Welded 7075 Aluminium Alloy, Procedia Materials Science 11, 2015
Zettler, J.F. dos Santos,V.Sivan, Stress corrosion cracking susceptibility of friction stir welded AA7075–AA6056 dissimilar joint, Materials Science and Engineering vol.392, pp.292-300, 2005

Magnesium oxychloride cement is an advanced inorganic materials whicn less weight and higher strength.
HENAN SCIENCE, 6 (2007)1044-1046.
(Chinese material management profession standard) [6] State Construction Materials Industry Administration of the P.
China.Raw materials for magnesia cement (JC/T449-2000).
(Chinese building materials profession standard) [7] SORELL C A, ARMSTRONG C R.

Experimental methods Industrial Sn-0.5Cu solder ingots were used in the experiments to study commercial purity materials.
Dahle, Microstructure formation in Sn-Cu-Ni solder alloys, Electronic Materials Solidification, JOM (2011) 52-55
Chiu, Phase Diagrams of Pb-Free Solders and their Related Materials Systems, J Mater Sci: Mater Electron 18 (2007) 19–37
Lee, An investigation of microstructure and microhardness of Sn-Cu and Sn-Ag solders as functions of alloy composition and cooling rate, Journal of Electronic Materials 38 (2009) 257-265
Gácsi, Investigation of intermetallic phases formed in lead-free solders, Materials Science Forum Vol. 812 (2015) 357-362.

The production of high albedo materials is expensive.
The use of high albedos materials on the roofs may create glare and visual discomfort.
Official Journal of the European Union
Soulakellis, On the Use of Cool Materials as a Heat Island Mitigation Strategy, J.
Climatol., 47, (2008) 2846–2856 [10] ECRC, European Cool Roofs Council An Introduction Guide for Cool Roofing Materials, 2012

Under external conditional actions, the inherent defects in inner of solid materials such as rock can be activated, which can cause damage failure of materials.
With materials damaged, the strain energy in the materials will be released and quickly spread in form of elastic wave.
JOURNAL OF CHINA COAL SOCIETY, 2004, 29(6): 663-667
Shangdong: Shandong University of Science and Technology, 2007
JOURNAL OF CHINA COAL SOCIETY, 2008, 33(6): 648-651.

Effects of Argon-Oxygen ratio and Sputtering Power on Opitcal Properties of ZnO:Al Thin Films fabricated by RF Magntron Sputtering * Shu Jie 1, a, Li Yang 2,b and DongHua fan 2,c 1Guang Zhou Institute of Energy Conversion,Chinese Academy of Sciences, Guangzhou 510640, China 2School of Applide Physics and Materials, Wuyi University, Jiangmen 529020, China a shujie@ms.giec.ac.cn, binsidesun@163.com, c donghua_fan@126.com Keywords: ZAO films, RF magnetron sputtering, argon-oxygen, sputtering power Abstract.
More importantly, the ZAO films have advantages of easy preparation, non-toxic side effects, lower cost, natural reserves of raw materials and good thermal stability and so on.
The sputtering target is made from aluminium-doped zinc (98% Zn + 2% Al) materials.
Wu: Journal of Optoelectronics·Laser 　　Vol. 19 (2008) , p. 1648
Ren and Yang: Journal of Functional Materials, Vol. 09 (2007), p. 19.

The good workability of self-compacting concrete is usually guaranteed by increasing the amount of binding materials, and reducing the amount of coarse aggregate, meanwhile by adding mineral additives and high performance water reducing agent.
Raw Materials and Mix Proportion of Concrete Raw materials of concrete.
The fly ash is from Xinhao II commodity of Shanghai, and the mineral mixture is HL complex mineral additive ("HL" for short) produced by Zhejiang Heli New Construction Materials Ltd.
Journal of Changsha Railway University, Vol. 19, No. 2(2001), p.25-29
Journal of Fuzhou University, Vol. 31, No. 5 (2003), p. 573-577（In Chinese）

Food Processing Technology Selection Method based on Relative Membership Degree and Gray Incidence Analysis Yating Lu1,a, Chao Shi2,b , Cangxue Luo1,c and Jianhua Yi1,d 1College of Life Science and Engineering, Shannxi University of Science & Technology, Xi’an, Shaanxi, 710021, China 2College of Engineering, Air force Engineering University, Xi’an, Shaanxi, 710038, China aluyating@sust.edu.cn, bsc78115@sohu.com, cluocx@sust.edu.cn, dyijianhua@sust.edu.cn Keywords: Food Processing, Relative Membership Degree, Gray Incidence Analysis.
Table 2 The processing parameters for three alternatives Drying technology Processing parameters Freeze-drying Thickness 8[mm], eutectic point -24[], consolute point -20[], cooling rate 0.33[/min], holding 90[min] after -40[]; Vacuum chamber pressure 90[Pa]; Partition temperature 70[] for 5[h], 60[℃] for 8[h] and 50[] for 10[h]; Material temperature is less than 40[].
Acknowledgement This work is supported by the National Natural Science Foundation of China under grant 31101326.
Whinston: Journal of Mathematical Economics.
[6] Sifeng Liu: gray system theory and application (Science Press, Beijing, 2004) (in Chinese).

Analysis of Land Use Changes on Groundwater Dynamics Xiaohui Lu1, a, Li zhoujun1, Wang yang1 1 School of Earth Sciences and engineering, Hohai university ,Nanjing,China a luxiaohui945@tom.com Keywords: land use; hydrology response; the distributed hydrological model Abstract.
Thus, the only groundwater parameter which was calihrated was the hydraulic conductivity of the main aquifer material.
Fig. 4Comparing of the groundwater level simulation result (hypothetical scenario landuse) with groundwater level simulation of the original Skjern model for the wet year (1990) and the dry year (1996) at 104.1675 station in Skjern catchment Acknowledgements The study is financially supported by Open Research Fund Program of State Key Laboratory of Water Resources and Hydropower Engineering Science(2011B081), “the Fundamental Research Funds for the Central Universities” (2009B02714), China Postdoctoral Science Foundation (2016-410033).
Journal of Hydrology 280, 52–71.(2003) [2] Refsgaard, J.C..
Distributed hydrological modellingWater Science and Technology Library 22, 17–39.(1996) [3] Roosmalen, L., van, Christensen, B.S.B., Sonnenbrog, T.O.Regional differences in climate change impacts on groundwater and stream discharge in Denmark.