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Solar Energy Materials and Solar Cells, 193 (2019), pp. 314-319 [4] M.
Solar Energy Materials & Solar Cells, 141 (2015), pp. 108-124
Solar Energy Materials & Solar Cells, 162 (2017), pp. 1-6
Solar Energy Materials and Solar Cells, 176 (2018), pp. 190–195
Solar Energy Materials and Solar Cells, 191 (2019), pp. 493-501

On the one hand, considering from material and technology themselves, the Buck circuit performance can be improved by searching for new materials such as silicon carbide diode or introducing into new technology such as adding diode buffer layer[12].
Amorphous materials has high magnetic permeability and low saturation magnetic flux density.
Saturated inductance made by amorphous materials has good characteristics to suppress current spikes perfectly.
Acknowledgement This work is supported by the Shanxi Province National Natural Science Foundation of China (2011011011-2).
Chang: An Optimal Designed RCD Snubber for DC-DC Converters, Journal of Marine Science and Technology, Vol. 18, No. 6(2010), p. 901-906 [10] Q.

Birol, Grain refinement and modification of Al–Si foundry alloys with B and Sr additions, Materials Science and Technology, 30 (2014) 1154-1161
Murthy, Casting and heat treatment variables of Al–7Si–Mg alloy, Materials science and technology, 9 (1993) 189-204
Bae, Deformation behavior of magnesium in the grain size spectrum from nano- to micrometer, Materials Science and Engineering: A, 527 (2010) 1565-1570
Lu, Eutectic modification and microstructure development in Al–Si Alloys, Materials Science and Engineering: A, 413–414 (2005) 243-248
Tiryakioğlu, Si particle size and aspect ratio distributions in an Al–7% Si–0.6% Mg alloy during solution treatment, Materials Science and Engineering: A, 473 (2008) 1-6

This means is widely applied in all kinds of research that using particles as raw materials, media and products.
In the research of life science, it can research on the cells and proteins, its structure can directly guide the research of clinical diagnosis and pathology.
Rational use of raw materials and energy, recycling, production of new materials, prevention of wear all associated with particle research.
As for the production of industry, particles are often used as materials and medium, therefore its shape features get more attention.
Journal of Volcanology and Geothermal Research. 2002,113,1-18

Urban historical feature and cultural connotation can be reflected by it, the material standard of living at that time and the change of human aesthetic view can be implied as well as.
· Choosing the true material and color: collecting the true material and color, so as to determine which color to be used
· Supervising and guiding the implementation of the project: communicating with the constructors to make sure the correct use of material and color, if there is situation that the color and material drift too far from the sample of color, the acceptance of biased error depend on if the general harmony is break
Acknowledgements This work is supported by the project of 2011 Chinese Universities Philosophy and Social Science Researches in Jiangsu Province(2011ZDIXM046) and the 2010 Doctoral Innovation Program of Municipal Education Commission.
The Effect of the Geographical Tradition and Characteristic Time: An Analysis of Color Design of Nantong, Jiangsu Province, Modern Urban Research, 2009(9):77-80 [2] Gou Aiping, The spatial logic of buildings colour: Werner Spillmann and The colour scheme of Kirchsteigfeld of Germany, Architectural Journal, 2007(1):42-45 [3] Werner Spillmann.

This irreversible process influences material’s macro property directly.
When the constant stress of rock is far less than the material yield strength, even if the temperature is high, the material damage will be difficult.
So in this experiment we cannot observe material damage as it is heated to a certain temperature.
When the material is under the actions of loading and temperature, the material micro-structure organizations, inclusions, such as grain size and micro-crack, crack growth are related to fracture.
Journal of Northeastern University (Natural Science), 1996, 17(1): 5~9.

TiB2-(Ti,W)C Eutectic Composite Ceramics Prepared by Combustion Synthesis under High Gravity Xuegang Huang, Long Zhang, Zhongmin Zhaoa, Chuanzeng Pan and Guanling Su Laboratory of Special Ceramics, Institute of Advanced Materials, Mechanical Engineering College, Shijiazhuang 050003, China a zhaozm2007@Yahoo.cn Keywords: TiB2-(Ti,W)C composite; Combustion synthesis; High gravity; Structure transformation Abstract.
Experimental Raw materials were made up of Al, Ti, C, B4C, WO3, CrO3 and ZrO2(4mol%Y2O3) blends.
According to the early achievement of preparing TiC-TiB2 composite ceramics, the (B4C+Ti+C) of 80% was taken as the main system, and TiC-40mol% TiB2 was selected as the eutectic compositon of the materials based on Eq. (1).
Acknowledgments This work is supported by National Natural Science Foundation of China (Grant No. 50672131).
Jiang: Journal of Alloys and Compounds.

The structural parameters of block copolymer can be characterized by high performance GPC for research in science and technology [1-8].
References [1] Youqing Jiang, Eping Liang, Journal of Chromatography, Vol. 194(1990),P.3-7
[3] Youqing Jiang, Eping Liang, Polymeric Materials Sci. and Eng., Vol.1 (1990), P.2-6
[7] Youqing Jiang, Yunbo Zhang, Advanced Materials Research, Vols.150-151 (2011), P.612-619, (Switzerland)
[8] Youqing Jiang, Yunbo Zhang, Advanced Materials Research, Vols.168-170 (2011), P.973-980, (Switzerland).

The cathode material affect the surface roughness (table 3) as follows: Ra (Ti) > Ra (Cr) > Ra (Zr) > Ra (Mo); Table 1.
Dependence of coating roughness on cathode material.
This work was supported by the Ministry of Education and Science of the Russian Federation References [1] V.V.
Ramazanov Integrated methods of engineering structural material treatment by glow and vacuum arc discharges (Moscow.
Termsuksawad: Journal of Metals, Materials and Minerals, Vol.21 No.1 pp.115-119, 2011 [6] S.G.

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Observation of vacancies during Zn diffusion in GaP R.
In order to get more detailed information about the monovacancy under investigation, sample D which shows at room temperature almost complete trapping was measured together with the as-grown GaP sample A and further reference materials (Ga, P).
� Fig. 2: Results of Doppler-broadening coincidence spectroscopy of the defect-rich sample D and Ga as well as P reference materials (experimental points).
The results of theoretically calculated DBCS curves for different materials and defects are included.
Pöpping: Materials Science in Semiconductor Processing (2003) in press [4] R.