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From the above numerical studies, the performance of the flapping vehicles can be improved by using the active flexible wing with the help of the materials science.
With regard to future designs, it is envisaged that the performance of flexible wings made by new materials or controlled by adaptive algorithm may well exceed those of rigid wings used by present micro flapping wing prototypes.
Platzer: AIAA journal.
Weis-Fogh:Biological Sciences.
Kaya:Journal of Aircraft.

Silicon dioxide has been used as a gate oxide material for decades because it is robust, amorphous, thermally grown and thus have good thermodynamic and electrical stability.
Thus, in order to overcome this drawback the devices incorporating the gate material engineering (GME), proposed by Zhou and Long [7, 8], came into existence.
Furthermore, GME-TRC MOSFET exhibits the potential step in its potential profile since its gate made up of two different materials having different work function.
Gupta and R.S.Gupta.International Journal Of Microwave And Optical Technology, Vol.5 (2010) , pp.361-368
Journal of Semiconductor Technology and Science (2011) pp.162-174

Materials Science and Engineering A369 (2004) 164–169
Materials Letters, 2003, 57(5/6): 1103−1107
Journal of Magnetism and Magnetic Materials 322 (2010) 3551–3554
Materials Science and Engineering B 171 (2010) 40–44
The effects of milling time and heat treatment on the micro-structural and magnetic behavior of Fe42Ni28Zr8Ta2B10C10 synthesized by mechanical alloying.Journal of Magnetism and Magnetic Materials 335(2013)53-58.

Materials.
A kind of T800/5228A standard prepreg(133g±2g/m2) used in this study was made in Beijing institue of aeronautic materials.
Journal of applied polymer science, 1994, 29: 3781-3790
Journal of Applied Polymer Science, 1997, Vol. 66, 2233-2242
Journal of Applied Polymer Science, 2008, Vol. 108, 2211-2217.

Surprisingly low share of 1.6% in 2013 had Agricultural raw materials product group considering Serbia’s capacity and possibility for producing this group of products.
Moshe-Jantzis, Israel's foreign trade policy: The benefits of its reform, Journal of Policy Modeling 35 (2) (2013) 255-270
Sun, Foreign direct investment and regional export performance in China, Journal of Regional Science 41(2) (2001) 317-336
Helpman, The structure of foreign trade, Journal of Economic Perspectives 13 (2) (1999) 121-144
Procedia - Social and Behavioral Sciences 24 (2011) 198–205

Among non-wood plant raw materials, bagasse is an ideal material for panel production.
Materials and Methods Materials. 1.
Journal of Wood Science, 2005, 51: 648-654
[8] Yimin Wu: Journal of Zhejiang Forestry Science and Technology (In Chinese), 1990, 10(2): 49-50
[10] Nobuhisa Okuda, Masatoshi Sato: Journal of Wood Science, 2004, 50: 53-61.

Palomo:Microporous and Mesoporous Materials Vol. 106 (2007), p.180 [5] A.
Palomo: Microporous and Mesoporous Materials Vol.108 (2008), p. 41 [10] F.
Pelaseyyed: Materials Science and Engineering A 385 (2004) 258–266
Das: Journal of Materials Science Vol. 42 (2007), p. 9366 [12] K.S.
Bishop: Journal of Materials Processing Technology Vol. 198 (2008), p. 31 [13] L.

Introduction Carbon fibers reinforced plastics are intensively used as lightweight materials in the automotive, aircraft, construction, and wind energy sectors.
Specifications of raw materials Parameter Unit Raw materials rCF Polyamide 6 Fiber length mm 40-60 40-60 Fiber linear density dtex 0.5 ± 0.06 1.5 ± 0.15 Single fiber strength MPa 3499 ± 250 440 ± 7.5 E- Modulus GPa 240 ± 37 1.48 ± 0.45 Elongation percent 1.79 ± 0.15 74.9 ± 15 Sizing percent 1.3 ± 0.1 -- Development of rCF/PA6 sliver In order to develop a sliver with unidirectional fiber orientation, recycle carbon and polyamide 6 fibers were blended and subjected to a special carding machine.
Mainka et al., "Lignin – an alternative precursor for sustainable and cost-effective automotive carbon fiber," Journal of Materials Research and Technology, vol. 4, no. 3, pp. 283-296, 2015
Leeke, "Current status of recycling of fibre reinforced polymers: Review of technologies, reuse and resulting properties," Progress in Materials Science, vol. 72, pp. 61-99, 2015
Cherif, "Recent developments in the processing of waste carbon fibre for thermoplastic composites – A review," Journal of Composite Materials, vol. 54, no. 14, pp. 1925-1944, 2020

However, due to the rising cost of its raw materials such as vegetable oils, using of biodiesel is restricted.
Microbial lipid has many advantages like short production cycle, high production efficiency, and low cost, can be used to provide cheap and ample raw materials for biodiesel production.
Materials and Methods Microorganism and precultivation Rhodotorula glutinis No. 31596 was purchased from China Center of Industrial Culture Collection (CICC) .
Acknowledgment The work was supported by Guangdong Natural Science Foundation(7006655) and Guangdong Science and Technology Project Item (2008B011000006) References [1] S.
Diaz, “Biodiesel production by immobilized lipase on zeolites and related materials,” Studies in Surface Science and Catalysis, vol. 174, 2008, pp. 1011-1016

But this theory is still hard to describe the plastic behaviors of metal materials under complex loading conditions.
The reason is that the influence of the actual complex microstructures and their deformation mechanism of the materials are not taken into account.
In the crystal coordinate system, the slip-planes of FCC materials are,, and .
And the inhomogeneous of the slip-bands is the visible characteristic caused by the inhomogeneous deformation inside materials.
Rice: Journal of the Mechanics and Physics of Solids.