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This research was conducted from May to July 2022 at the Biology Laboratory of the Faculty of Mathematics and Natural Sciences, Unima.
Material and Method The materials used in this study were mustard leaves, papaya leaves and 3rd instar armyworm (Plutella xylostella) larvae.
Using Papaya Leaf Extract (Carica papaya L.), Journal of Protobiont (2013) 171-175
Scientific Journal of Science 16 (1) (2016) 24-29 [8] S.J.
Santosa, Control of Mustard Leaf Caterpillar (Crocidolomia binotalis Zell) with Organic Insecticia, Journal of Agricultural Innovation, Vol. 10, No.1 (2011) 67˗80

Introduction The concept of Functionally Graded Materials (FGMs) was proposed in 1984 by materials scientists as a means of preparing thermal barrier materials.
FGMs are the heterogeneous composite materials in which the material properties are gradually varied along certain directions in a predetermined manner.
Abrate: Composites Science and Technology Vol. 66 (2006), p. 2383
Kant: Composite Science and Technology Vol. 32 (1988), p.137
Rao: Journal of Sound and Vibration Vol. 12 (1970), p. 187

Thermal Management Materials The urgent need and demand for improved thermal management materials has resulted in many studies and researches currently carried out on potential materials.
Although the use of advanced composite materials as thermal management materials would incur additional costs, the improvements in thermal performance inherent in such materials make them cost-effective.
Materials Science and Engineering A 475 (2008), pp. 39–44
Applied Surface Science 252 (2006), pp. 7086–7088
Journal of Materials Processing Technology 106, (2000), pp. 58-67

The project management of wood carbon sequestration materials will be helpful to attract more and more enterprises to step into forestation, reforestation and technology development for improvement of forest management.
Based on this, the paper puts forward the policy and the long-term objectives of wood carbon sequestration materials should be integration of the implementation. 1.
The Objectives of the Carbon Sequestration Wood Materials Projects 4.1 The carbon sequestration The research of global carbon sequestration in forest began in the 1990s.
Forest Products Journal, 58(6),(2008), p. 56-72 [7] A.K.
Forest Products Journal, Vol. 6(2008), p. 56 [13] Dooley, K., Griffiths, T., Leake, H. and Ozinga, S.

The results found that CuZn electrode materials provide higher MRR and EWR than electrode materials of Cu.
Journal of Materials Processing Technology: Vol. 142, pp. 163–173
International Journal of Engineering Science and Technology: Vol. 2(8), pp. 3535-3550
Science and Technology Journals, Thammasat University. 
Journal of Materials Processing Technology Vol.149 (1-3), pp. 272-277

First, the heat simulation text of the shell ring material has been carried out on the Gleeble-3500 thermal simulation test machine and the material properties were obtained.
Fig.2 shows the true stress and true strain curve of materials.
This work is also supported by the State Key Laboratory of Metastable Materials Science and Technology, Yanshan university, which is gratefully acknowledged.
References [1] Xu S G, Lian J C, Hawkyard J B: submitted to International Journal of Mechanical Sciences (1991) [2] Sun Zhichao, Yang He, Ou Xinzhe: submitted to Transactions of Nonferrous Metals Society of China (English Edition)(2008) [3] Wang M., Yang H, Sun Z C, etal: submitted to Journal of Materials Processing Technology (2009) [4] Wang Min, Yang He, Sun Zhichao, etal: submitted toTransactions of Nonferrous Metals Society of China (English Edition) (2008) [5] Yang H, Wang M, Guo LG., Sun ZC: submitted to Computational Materials Science (2008) [6] Yang D Y, Kim K H, Hawkyard J B: submitted to International Journal of Mechanical Sciences (1991) [7] Z.W.
Yang, etal: submitted to Journal of Materials Processing Technology(2007) [8] Ho Keun Moon, Min Cheol Lee, Man Soo Joun: submitted to International Journal of Mechanical Sciences(2008) [9] Nassir Anjami, Ali Basti: submitted to Journal of Materials Processing Technology(2010)

Materials Science & Engineering A, 1998, 245(2): 285-292
Journal of Materials Science, 1985, 20(10): 3763-3770
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing, 2018, 734: 20-26
Journal of Nuclear Materials, 2001, 289(3): 247-253
Journal of Materials Research & Technology, 2014, 3(3): 280-288

Its applications in the chemical, materials and other industries have been relatively mature.
The liquid holdup is small and applicable to expensive materials, toxic materials, flammable and explosive materials.
Journal of Materials Engineering, 2010, z2: 134-137 [17] Liu Guanghua, Li Jiangtao, Chen Yixiang, etc.
Chinese Journal of Energetic Materials,2007,11：61-65 [21] Li Peng, Liu Youzhi, Li Yu etc.
Chinese Journal of Energetic Materials, 2007,3：277-280 [22] Zhang Lei, Gao Hua, Zou Haikui etc.

In Situ Synthesis of a Wear Resistant Layer on the Surface of Low Carbon Steel Produced by Laser Melt Injection Technology Valéria Mertinger1,a, Gábor Buza2,b, Balázs Major3,c 1Institute of Materials Sciences, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary 2 Institute of Materials Sciences and Technology, Bay Zoltán Nonprofit Ltd., Budapest, Hungary 3Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, 29 Karolina str.
Titanium and its compounds are one of the most frequently used reinforcing particles in iron – ceramic composite materials.
These materials have special characteristics because they are quenchable, their hardness can be increased by heat treatment and they can be quite easily machined.
The point of the technology developed in the Bay Zoltán Institute of Materials Sciences and Technology is to form the reinforcing layer on the surface of the sample in an in situ way by melting the surface of the low carbon steel and the laminar carbon felt using laser beam while the titanium metal powder is simultaneously added to the melt.
Guoa, Microstructure, mechanical and fretting wear properties of TiC stainless steel composites, Materials Characterization 59 (2008), 84-90 [8] Sveda M; Roosz A; Buza G, Formation of lead bearing surface layers on aluminum alloys by laser alloying , Materials Science Forum Volume: 508 (99-104), 2006 [9] L.

An Introduction to Materials in Medicine.
Materials Science and Engineering C 2007; 27: 83-89
Materials Science and Engineering: C 29 (4): 1293–1301
Journal of Biomedical Materials Research 1990; 24: 1333–1353
Journal of Biomedical Materials Research 2002; 60: 283-291