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Department of Materials Science and Engineering, Jinan University, Guangzhou, China 2.
Materials Science and Engineering, 1996 (A207):159-169
International Journal of Minerals, Metallurgy and Materials, 2009,16(5): 517-524
Materials Science and Engineering, 2004 (24): 753–760
Materials protection, 2003,36(10):9-12.

Materials and methods Materials In the experiment, the materials for test was Bergenla tianquanensis, from Tianquan County in Sichuan Province, and then was transplanted to the field in China West Normal University .
Russian Journal of Bioorganic Chemistry Vol.33 (2007), p.175–180
Russian Journal of Bioorganic Chemistry Vol. 33(2007), p. 47–56
[3] Qishou Lin.Chinese Herbs chemical.Beijing:Science Press (1977),p.294.
(In Chinese) [9] Xiaoxia Wu.Advances of Material Browning in Plant-Tissue Culture.Hebei Journal of Forestry and Orchard Research, Vol. 17(2002), p.16-19.

Nanocomposite Multilayer Fibrous Membrane for Sustained Drug Release Ahmed Hassanin1a, Ahmed Abd El-Moneim2b, Mohamed Ghaniem2, Hassan Nageh2 1Faculty of Engineering-Alexandria University-Egypt 2Materials Science and Engineering Department, Egypt-Japan University of Science and Technology, New Borg El-Arab, Alexandria 21934, Egypt.
Nanofibrous structures are promising materials for applications in medical sector such as tissue engineering, wound dressing, drug delivery, hygiene industry (napkins, wipers, absorbers), intelligent textiles (sensing, actuating) and for coatings (multifunctional coatings) [14,15,16].
Stevens: Journal of biomedical materials research.
Shim: The Open Biomaterials Journal, vol. 1 (2009) p. 10–20 [14].
Langenhove: Journal of Materials Science Vol. 42 (2007) p. 8029–8034 [17].

Jl Raya Bandung-Sumedang 2Department of Physics, Faculty of Mathematics and Natural Science, Universitas Padjadjaran.
The main constraints in the use of vegetable materials include Lemna sp. as fish feed material is the high content of crude fiber and moisture, the presence of anti-nutritional substances and different amino acid compositions from animal protein materials.
Fermentation can improve some properties of raw materials such as increasing digestibility, nutritional content, flavors and aromas that are favored by livestock, including fish [5].
The row material of Lemna sp. was collected from the Ciparanje Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran.
Nagodhawithana, Technology of yeast usage in winemaking, American Journal Enology Viticology 39 (1988) 83-85

Materials and Methods Materials BA, MMA, MAA, and HEMA, were all obtained from Beijing Dongfang Chemical Factory (Beijing, China); MMA and BA were vacuum distilled to eliminate the inhibitor. 2,2,2-trifluoroethyl methacrylate (TFMA) was obtained from Harbin XEOGIA Fluorine-Silicon Chemical Co.
Narita, Journal of Polymer Science Part A: Polymer Chemistry, 42 (2004) 4101-4125
Lee, Surface Science, 532 (2003) 328-333
Qing, Journal of Applied Polymer Science, 119 (2011) 84-92
Wu, Journal of Saudi Chemical Society, (2011) 1-6

Introduction Nano-material is an important research field of nano-science and developed in the mid-80s.
Nano-material was known as “the most promising materials in the twenty-first century” [1-2].
Its properties is not only differred from atoms, but also defferred from bulk materials[3].
At the same time, surface active agent can hinder the aggregation of nano-materials.
Nanomaterial and nano structure[M].Beijing:Science Press, 2001 [2] Wang Shimin,Xu Zuxun,Fu Jing.Preparation Technology of nano materials[M].

Materials All chemicals were used as received without further purification.
Huczko, Graphene research and their outputs: Status and prospect, Journal of Science: Advanced Materials and Devices. 5, 1, (2020) 10-29
Young, Mechanical properties of graphene and graphene-based nanocomposites, Progress in Materials Science. 90 (2017) 75-127
Shi, Graphene-based smart materials, Nature Reviews Materials. (2017) Article number: 17046
Peng, Toward Mass Production of CVD Graphene Films, Advanced Materials. (2018) 31, 9

Most of the work carried out so far is on the machining of isotropic materials and non-ferrous alloys such as copper and aluminum [6].
Materials Constitutive Equation.
Cheung: Composites Science and Technology, Vol. 61 (2001) No.10, p.1449-1456
Strenkowski: International Journal of Mechanical Science, Vol. 30 (1988) No.12, p.899-920
Kishawy: Journal of Materials Processing Technology, Vol. 198 (2008) No.1-3, p.399-406

Momeni, Highly efficient degradation of azo dyes by palladium/hydroxyapatite/Fe3O4, Journal of Hazardous Materials 201-202 (2012) 125-131
Zhang, Heavy metal removal from water/wastewater by nanosized metal oxide: A review, Journal of Hazardous Materials 211-212 (2012) 317-331
Stephen, Enhanced photocatalyic activity of ZnO/CuO nanocomposite for degradation of textile dye on visible light illumination, Materials Science and Engineering C (2013) 91-98
Houas, Short communication Synthesis, characterization and photocatalytic activity of ZnO-SnO2, Materials Science and Engineering B 178 (2013) 1371-1379
Zhang, Green synthesis and characterization of superparamagnetic Fe3O4 nanoparticles, Journal of Magnetism and Magnetic Materials 322 (2010) 1828-1833

This paper use two parameters, namely, the initial fracture strain,, and the damage state variable,, to describe the fracture problem of materials.
Lechler: submitted to Journal of Materials Processing Technology, 2006. 177(1-3): p. 452-455
Oldenburg: submitted to Journal of Materials Processing Technology (2006) [3] M.
Molinari: submitted to Materials Science and Engineering (2008)
Stoehr: submitted to International Journal of Material Forming (2009)