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The attenuation of vibration acceleration with distance reflects the radiation and material damping in the soil.
Journal of Sound and Vibration, 2001, 247: 131—144
Journal of Sound and Vibration, 2005, 284: 103—132
Journal of Sound and Vibration, 2005, 280: 1017－1029
Journal of Vibration and Shock, 2011, 30 (2): 159-163, in Chinese [8] Dahua JIAO.

Numerical Study of Circular Tube inserted Arc Belt on Fluid Flow and Heat Transfer under Laminar Flow Donghui Zhang1,2,a ,Jiao Gao1,2,b 1 Shandong Provincial Key Laboratory of Polymer Material Advanced Manufacturing Technology 2College of Electromechanical Engineering, Qingdao University of Science & Technology, No.99 Song ling Road, Qingdao, Shandong Province, 266061, P.R.China a zdhwcf@126.com, b 292960615@qq.com Keywords: laminar flow, heat exchange, PEC, arc belt, synergy angles Abstract.
ASME Journal of Heat Transfer, 1997, 119: 8-19 [2] R.M.
International Journal of Thermal Sciences 50 (2011) 1263–1270 [7] P.
International Journal of Heat and Mass Transfer, 48 (9), 1797―1807, 2005 [10] W.
International Journal of Heat and Mass Transfer, 52(19-20), 4669―4672,2009

Material resources input factor.
The other fixed materials In addition to the above resources.
Journal of Finance and Economics, 2006(7): 112-122
Modern Education Science (Higher Education Research), 2009(2): 25-42 [5] Zhang, Yaoting.
Beijing: Science Press, 1982: 124-129

Insoluble materials are suspended in a conventional electrolytic bath and are captured in the growing metal film during the codeposition process.
These insoluble materials can be powder, fiber or encapsulated particle.
Zhang, Materials Science and Engineering A Vol. 434(2006), p.319 [2] T.
Tetsuo, Diamond & Related Materials Vol. 15(2006), p.1570 [4] K.S.
Huang, Journal of Rare Earths Vol. 27 (2009), p. 480

Rare Metal Materials and Engineering, vol.37(2008), p.2216(In Chinese) [3] T.
Comprehensive Nuclear Materials, vol.2(2006), p.233 [4]Chang Han, Juntao Zou, Zhikang Fan, et al.
Transactions of Materials and Heat Treatment, vol.30(2009), p.105 (In Chinese) [5]Ye Tang, Chuansun Hu, Hua Qin, et al.
Transactions of Materials and Heat Treatment, vol.35(2006), p.36 (In Chinese) [6] A.
Transactions of Materials and Heat Treatment, vol.35(2014), p.64(In Chinese)

For example, if the die pressure is too low, the extrusion quality of the material is bad, even can’t happen extrusion.
In this paper, use crop straw as test materials, find the influence of parameters of extrusion system on die pressure through square combination experiment of five factors and five levels with orthogonal rotation by the single extruder.
Test materials and methods 1.1 Materials and equipment Test materials: Crop straw(variety: fuyou 9), is bought in the testing ground of Northeast Agricultural University.Other reagent is chemical analysis pure, bought in the chemical reagents store.
Harbin:Heilongjiang Science and Technology Publising,1988, in press
Egyptian Journal of Food Science,Vol30(1).2002,p. 59-76.

The materials used were aluminum, 304 stainless steel and polymer material (PTEE) with similar roughness (3.54μm).
Effect of Substrate Material Fig. 8.
Compared to the other two kinds of materials, 304 stainless steel has larger effective dielectric constant, bigger atomic structure and higher boiling point.
Nanjing University of Aeronautics and Astronautics basic scientific research expenses youth science and technology innovation fund for scientific research project (Science &Technology), NS2014014.
Journal of Physical Chemistry B, Vol. 101, No. 32, August 1997, pp. 6267~6270.

The food from restaurant waste was fermented into biomaterials having the potential to be developed as functional materials, especially for fish feed ingredients [3,5].
Wiyatna, Risdiana, The effect of fermentation process on physical properties of organic material from domestic food waste, Key Engineering Materials. 860 (2020) 345-350
Zidni, Risdiana, Quality improvement of biomaterial of Lemna sp, Key Engineering Materials. 966 (2019) 139-144
International Journal of Environment, Agriculture and Biotechnology. 2 (2017) 1336-1340
Asian Journal of Fisheries and Aquatic Research. 4 (2018) 1-6

Synthesis of Core @ Shell Composite Particles with a Tunable Shell Containing Natural Urushiol Longhui Zheng1, a, Baoling Chen1, b, Haibin Huang1, c, Qinhui Chen 1, 2, d* and Jinhuo Lin 1, 2, e 1 College of Material Science and Engineering, Fujian Normal University, Fuzhou 350007, China 2 Fujian Key Laboratory of Polymer Materials, Fuzhou 350007, China alhzheng88@163.com, bchenbaoling1989@163.com, chbhuang90@163.com, dchenqh@fjnu.edu.cn, ejhlin@fjnu.edu.cn Keywords: urushiol; polystyrene; renewable resources; core @ shell composite particles Abstract: The core @ shell composite particles of polystyrene @ urushiol-titanium chelate polymer (PS @ UTi) was prepared through in-situ reaction between sulfonated polystyrene microspheres coated tetrabutyl titanate and urushiol.
They show broad potential applications in photovoltaic [3] and biological [4] applications, catalysis [5], Janus materials [6,7], etc.
There are various core @ shell types, including inorganic/inorganic, inorganic/organic, organic/inorganic, and organic/organic materials.
Experimental Materials Chinese lacquer purchased from the Institute of Lacquer, Xi'an, China.
Lin, The synthesis of urushiol titanium chelate polymers and their structural characteristics, Chinese journal of polymer science. 11 (1993) 198-203

Introduction Research on the synthesis of inorganic luminescent materials had attracted great attention, which have potential applications in fields of electroluminescent devices, integrated optics, displaying, and biological labels [1].
LaPO4 is one of the inorganic luminescent materials that found to act as host in the development of photoluminescent materials [2].
Besides, LaPO4 also suitable as a hosts for highly efficient emitter of green light [3-5], because of high melting temperature, chemical stability, high light yields of the doped materials and due to their special 4f intrashell transition [6-10].
Warrier, "Aqueous sol–gel synthesis of lanthanum phosphate nano rods starting from lanthanum chloride precursor," Journal of Sol-Gel Science and Technology, vol. 58, pp. 195-200, 2011
Advanced Functional Materials, 2007, 17(10):1682-1690.