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Material and Methods 2.1 Plant materials The fresh leaves of Pluchea indica (L) Less plant were collected from Phraek Nam Daeng community, Amphawa district, Samut Songkhram province, Thailand in January 2018.
Mahidol University Journal of Pharmaceutical Sciences, 41(2014), 1–10
Antimicrobial, antioxidant potential and phytochemical screening of Fagonia olivieriPakistan journal of pharmaceutical sciences, 30 (2017) 697-703
Thai Journal of Phytopharmacy, 9(2002)1-12
Asia- Pacific Journal of Science and Technology, 23(2018) 1-7.

Process improvement, quality control, materials, mould, processing, heat treatment, packaging and management needed for quality assurance; Cost for quality training, appraisal and information tracking.
Cost for inspection of raw materials, process, finished products, depreciation and maintenance of equipment;Cost for experimental materials, fuels and power, and labor employment.
Size of original bar materials needed for forging of piston products is nonstandard specifications.
However, the materials are wasted; subsequent processing working technology is heavy.
Materials of piston and output shaft products are wasted, stability of process quality is poor and the cost is high.

Material and Methods Materials.
Smulski: Wood and Fiber Science Vol.23 No.1 (1991), p. 44-57
Ross: Forest Products Journal Vol.50 No.2 (2000), p.35-40
Samali, K: Journal of Wood Science Vol.53 (2007), p.394-400
Guitard.: Wood Science and Technology Vol.36 No.3 (2002), p. 367-383

Because the rocks is complex internal structure and belongs to the hard brittle materials, rock deformation of the first is physical.
Sandstone physical property parameter table Name Density g/mm3 Compressive strength MPa Tensile strength MPa Elastic modulus GPa Poisson's ratio Sandstone 2.4 45 12.9 8.396 0.23 Today's machine main manufacture material is for 6 cr4mo2w2v, this material has great toughness, easy workability.
Numerical simulation of rock cutting using the discrete element method[J].International Journal of Rock Mechanics and Mining Sciences, 2011,48(3):434-442 [4] Zhang Ke, Wang He, Wu Yuhou, Zhao Kaijun Analysis on Key Wear Technology of the TBM Disc Cutter, Journal of Shenyang Jianzhu University (Natural Science), 2009,25(2);351-354 [5] Zhang Ke, Wang Tengyue, Sun Hong, Wang He, Zhao Kaijun:‘Simulation Study on Disc Cutter of Full Face Rock Tunnel Boring Machine’, [J].Journal of Shenyang Jianzhu University (Natural Science),2010,26,(6),1209-1213
Journal of Shenyang Jianzhu University (Natural Science),2012, 28,(1),156-161
[7] Wu Yuhou, Wang Chao, Sun Hong, Zhou Peng:‘Ansys-based finite element analysis on cutter-plate of rock excavators’, [J].Chinese Journal of Construction Machinery, 2010,10,(2),171-176.

The size of the beam is 710mm × 20mm × 3mm and the material is 45#.
The material properties of the beam are listed in Table 1.
Table 1 Cantilever beam material properties Material Modulus of elasticity Poisson's ratio Mass density 45# 2.1e11Pa 0.3 7800Kg/m3 Fig.4 Mode shapes using FEM: (a) X axis first bending mode; (b) X axis fourth bending mode.
Ribeiro, Cancelation of mass-loading effects of transducers and evaluation of unmeasured frequency response functions, Journal of Sound and Vibration 236 (5) (2000), 761-779
[7] Author: Debao Li Title: "Experimental Modal Analysis and Applications," Publisher: Science Press Publication date: January 6, 2001.

Materials and methods Materials and Reagents.
Ding: Journal of Environmental Engineering Vol. 2 (2008), p. 1483 [2] U.
Fang: Journal of Cellulose Science and Technology Vol. 16 (2008), p. 9 [5] Y.P.
Fang: Journal of Cellulose Science and Technology Vol. 18 (2010), p. 1 [6] Y.
Wang: Journal of Environmental Sciences Vol. 29 (2008), p.1029“In Chinese” [12] Y.C.

Materials Science and Engineering: A, 2006. 420(1-2): p. 228-234
Metallurgical and Materials Transactions A, 1986. 17(4): p. 635-643
Surface Science, 1993. 290(1-2): p. 93-102
Journal of Materials Processing Technology, 2003. 135(2-3): p. 347-357
Journal of Materials Processing Technology, 2004. 148(1): p. 93-102

Their characteristics, such as low densities, specific strength and specific modulus are considered superior to those of metallic materials.
Kenaf, hemp, sisal and flax are some good examples of the natural fibres that being used in composite materials.
Methodology Material.
Jeronimidis, "Partial replacement of E-glass fibres with flax fibres in composites and effect on falling weight impact performance," Journal of Materials Science, vol. 40, pp. 3581-3585, 2005
Hermanson, and I Ghasem, "Tensile properties of wood flour/kenaf fiber Polypropylene hybrid composites," Journal of Applied Polymer Science, vol. 105, pp. 3054-3059, 2007

Preparation of Co2W Type Hexagonal Ferrite used in the load side of isolator GONG Jian1,2,a, Guangliang Xu1,2, b,*, Yangxing Li3,c and Chengmin Peng3,d 1 State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang, 621010, China 2 Institute of New Materials, School of Material Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China 3 Southwest Institute of Applied Magnetics, Mianyang, 621000, P.R.
The thermal degradation temperature of this kind of absorbing materials is 350 ºC.
The thermal degradation temperature of this kind of absorbing materials is 350 ºC.
Journal of Magnetism and Magentic Materials, Vol. 208(2000), p. 55 [7] Preghenella M, Pegoretti A, Migliaresi C.
Electronic Components and Materials, Vol. 28(2008), p. 56

Antoniadis: International Journal of Mechanical Sciences Vol. 48(2006), p. 809
Lv: Applied Mechanics and Materials Vol. 26-28(2010), p. 190
Deng: The Journal of Grey System Vol. 1(1989), p. 1
Chen: Advanced Materials Research Vol. 97-101(2010), p.1328
Gao: Measurement Science and Technology Vol. 11(2000), p. 430