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Synthesis of SiO2 hierarchical nanostructure on carbon nanowire Yanhong Ding1, a, Yuanhong Tang 2,b and Yang Yang 1,c 1 College of Material Science and Engineering, Central South University, Changsha 410083, China 2 College of Material Science and Engineering, Hunan University, Changsha 410082, China adyh2004@126.com, byhtang2000@163.com, cyangyang@mail.csu.edu.en Keywords: C @ SiO2/ SiO2, hierarchical structure, growth mechanism Abstract: A novel SiO2 hierarchical nanostructure standing on carbon nanowires is synthesized by using the hydrothermal method without any metallic catalysts.
The new core-shell nanostructures, in which the cores and the shell consist of different materials, may display potential application in multifunctional nanoelectronics, nano-optics, catalyst supports and sensors, and can enhance the overall properties.
Such as SiO2@Fe3O4[3], CaCO3@SiO2[4], CdS@SiO2[5], SiO2@Au[6], Eu3+@SiO2[7], SiO2@polymer[8], Carbon nanowires are expected for the production of nano-electronic devices, nano-biochemical devices, nano-composite materials and absorbing materials due to its excellent mechanical and electrical properties.
Experimental details Silicon monoxide powder（ purity: 99.99%, particle size: ~90nm）and carbon nanowires are used as the starting materials，GCF-1L reaction kettle is the major experimental facility.
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Electrically conductive PEDOT-PSS/PAN composite fibers prepared by wet spinning Liu Yin, Li Xin*, Lü JingChun Beijing Key Laboratory of Clothing Materials R&D and Assessment, School of Materials Science & Engineering, Beijing Institute of Fashion Technology, Beijing 100029, People's Republic of China Keywords: PEDOT-PSS, PAN, wet spinning, composite conductive fibers Abstract.
Reynolds, Advanced Materials 12,481(2000)
Xu, Journal of Polymer Science Part A: Polymer Chemistry 50,1967(2012)
[13] Cui, S.; Zhao, Z.; Wei, W., Journal of Applied Polymer Science 72, 1039 (1999)
M., Journal of Applied Polymer science 96, 1710 (2005).

Annual Review of Materials Research, 2003, 24:19-44. ].
The Status and Future on Research and Application about Carbon/ Carbon Composites in the Aeronautical Area[J].Journal of Materials Engineering, 1997(7):8-10. ].
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Chipping minimization in drilling ceramic materials with rotary ultrasonic machining[J].
Journal of Engineering for Industry, 1994, 64(2):142-151. ] put forward a theoretical prediction model of material removal rate by analyzing the removal mode of rotary ultrasonic machining of hard brittle materials.

It is hoped this work will be of benefit to the development of diamond segments for circular sawing of natural stone materials.
In both cases, adhering materials can be seen on the surfaces on diamonds (Figs.4 and 5).
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Xu: Key Engineering Materials, Vol.250 (2003), pp.60
Duda: Soviet Journal of Superhard Materials (English Edition), Vol.8 (1986), pp.30.

Introduction With the development of science and technology, the new material, the new structural types and the new construction technology have been creating and improving.
The research on the correlation between accelerated experimental results and natural climate change in the actual has gained some achievements in rubber industry, coating, electronic products, polymer materials, and steel and so on [6-8].
References [1] Jin Libing, Jin Weiliang, and Zhao Yuxi, JOURNAL OF SOUTHEAST UNIVERSITY (Natural Science Edition), Vol. 36, Sup (II) (2006), p. 61.
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Groche, Strain Induced Surface Change in Sheet Metal Forming: Numerical Prediction, Influence on Friction and Tool Wear, Journal of Manufacturing and Materials Processing 5 (2021) 29
Kim, S-N Curve Models for Composite Materials Characterisation: An Evaluative Review, Journal of Composites Science (2018)
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Materials and methods Materials Mature seeds of Oryza sativa L. cv.
Yang: Advanced Materials Research.
Yu: Journal of Xi’ an University of Arts and Science (Nat Sci Ed).
Zhu: Plant Science.
Hattori: The Plant Journal.

Moreover, the fresh material even animal mat may bring the risk of infection, if the rodent droppings can’t be protected.
Replacement means that it can be tested or studied in other ways instead of animals to reach a certain test purpose, or use insensible experiment materials instead of the conscious spine animals.
It not only helps to make more fully use of the experiment materials and save the funds, but also prompts researchers to update the experimental methods, look for the new experimental ways, and then to make scientific research work more scientific.
Domestic journals such as “experimental animal science” and “China journal of experimental zoology “and etc have opened up the“3R”column, which can help researchers to know the significance about “3R” application to life science, medical research and drug development experiment and so on from the technical level and ideology.
OU Yang, Z.R Li: Laboratory Animal Science.

The application of modern construction in the new materials and new structure system.
With the development of modern society living and production, the growing needs of human life and production, Modern science and technology and the new building construction materials are applied to the construction of Huizhou architecture.
And the new structure form and construction materials has adapt to the life and production of modern people very well.
Besides, it’s often change materials and mode of construction between materials and materials in the construction, the safety without effective guarantee; It maybe make differences with The original process because of changing of the material size and material color ,and run counter to the principle of ancient building repair and strengthening[7].
[2] G.B.Luo and J.Yu, in: Journal of Guiyang University, Vol.6 (2011), p.27-32, in Chinese

Acknowledgments This work was financially supported by the National Natural Science Foundation of China under Grant nos. 21076161, 50802062, and 50872091 and Tianjin Key Discipline of Materials Physics and Chemistry under Grant no. 10SYSYJC28100.
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Luminescence and luminescent materials.
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Journal of the American Ceramic Society 95.12 (2012): 3871-3877.