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Recently, the production of activated carbon from agricultural waste materials has been studied extensively by many researchers.
After that, dried material was grounded and sieved to fractions with average particle size of 1.0 mm.
The material was kept inside the muffle furnace for 2 h at 600°C.
This study confirmed that a low-cost agricultural waste such as sugarcane bagasse could be considered as alternative raw materials for the production of activated carbon, and used for the removal of dye molecules from wastewater.
Journal of the Chemical Society, Faraday Trans. 73 (1977) 456-464

China 3College of life science and technology, Huazhong Agriculture University, Wuhan, Hubei P.
Nowadays, superoxide dismutase (SOD) can be separated from the materials of animal, plants and microbe [5-7].
Materials and methods Materials, chemicals and instruments Materials were obtained as follows: The blood blocks of pig and bovine came from Nanyang.
The journal of Biological Chemistry, 244(22):6049-6065 (1969) [2] I.
Cellular and Moleular Life Sciences, 50: 673-676 (1994) [9] Wei hua Xie, Ju fang Yao, Qin sheng Yuan.

The manufacturing processes need to satisfy specifications and boundary conditions including geometrical tolerances, cost-effectiveness, and the availability of a variety of materials, over size scales extending from about 30 nm up to the mm range.
Obviously, such dielectric materials introduced a basically unwanted shift and reduction of the resonance peaks of the metallic structures besides other constraints concerning thermal, chemical and radiation effects [10].
They may serve as narrow-band filters, selective high-reflectance mirrors, and focusing elements in THz optical systems for various purposes including security inspection to detect plastic materials such as explosives in the 1-10 THz range, or high bit-rate data transfer links and telecommunication.
Soukoulis: Science Vol. 306 (2004), pp. 1351-1353
Maniam, Wei Hua: submitted to Journal of Modern Optics (2010)

Furthermore, TBC coatings are more susceptible to erosion due to their porous structure than full dense ceramic materials.
Furthermore, TBC coatings are more sensitive to erosion than full ceramic materials because they have a porous structure [10].
Furthermore, the impacts on coating made of porous materials (eg [19]), two-phase polycrystalline materials (eg [20-25]) as the structure of the functionally graded material (eg [26, 27]) or layered structures [28-34] will be considered.
Postek, A new model for the time-dependent behaviour of polycrystalline ceramic materials with metallic inter-granular layers under tension.
Sadowski, Theoretical modeling and analysis of thermal fracture of semi-infinite functionally graded materials with edge cracks, Meccanica 49 (2014) 2617-2633

Results of Technological Experiments The experimental data obtained in [17‒19] allows making a physical model of the ultrasonic vibrations impact on the electroerosive destruction of materials more reliable and adequate, as well as analyzing the mechanism of this phenomenon.
Mitskevich, Impact of electrode vibrations on the process of electrospark processing, Electrospark Processing of Materials. (1963) 173-178
Nekrashevich (Eds.), Electroerosive Processing of Materials, Science and Technology, Minsk, 1988
Saushkin, Increasing innovation capacity of the methods of ultrasonic machining of ceramics and composites with a diamond-impregnated tool, Materials Science Forum. 973 (2019) 152-156
Gu, D Yang, Analysis and experimental study of vibration system characteristics of ultrasonic compound electrical machining, Strength of Materials. 49 (2017) 37-44

These insoluble materials can be powder, fiber or encapsulated particle.
Zhang, Materials Science and Engineering A. 434(2006)319
Tetsuo, Diamond & Related Materials. 15(2006)1570
Veretennikova, Diamond & Related Materials. 14 (2005)1761
Huang, Journal of Rare Earths. 27 (2009)480.

Experimental and Materials In this study high-purity elemental Zn powder and 99.7 % purity Cu powder were used.
Benjamin, Mechanical Alloying, Annual Review of Materials Science. 13 (1983) 279-361
Langdon, Progress in Materials Science. 53 (2008) 893–979
Landolt-Börnstein - Group IV Physical Chemistry, Springer Materials - The Landolt-Börnstein Database, (http://www.springermaterials.com).
Dheda, On the minimum grain size obtainable by high-pressure torsion, Materials Science & Engineering A. 558 (2012) 59–63

Transactions of materials and heat treatment, 2006, 110(4): 104-108
Wuhan: Hua-zhong University of Science and Technology, 2011
Journal of Chinese Society for Corrosion and Protection, 2000, 20(4): 224-229
Wuhan: Huazhong University of Science and Technology, 2011
Corrosion Science and Protection Technology, 2018, 30(3): 213-221.

The raw materials were charged into a graphite crucible, then placed into a resistance furnace to be adequately melted at 950 ℃.
Acknowledgements This work is supported by the National Natural Science Foundation of China (No.50874045) and Project of Hunan Science and Technology (N0.08GK3057).
Zhang: Journal of Mate.
Huang: Materials Science.
Jia, Q.C Li: Aeronautical Materials.

Biosynthesis and Characterizations of Gold Nanoparticles (AuNPs) Prepare Using Different Age Classes of Marphysa moribidii (Polychaetes) Extract as Biogenic Reducing Agents Nurfarah Aini Mocktar1,a, Muhammad Naquiddin Mustafa2,b, Noor Aniza Harun3,c,*, Wan Iryani Wan Ismail4,d, Maulidiani5,e, and Izwandy Idris6,f 1,2,5Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia 3*Advanced Nano Materials (ANoMA) Research Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia 4Biological Security and Sustainability Research Group (BIOSES), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia 6South China Sea Repository and Reference Centre, Institute of Oceanography and Environment (INOS), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia ap4928@pps.umt.edu.my, bs57830
AuNPs are regarded as genuine diamonds due to their exceptional properties and numerous applications, notably in biology and/or life science.
Materials and Methods Materials.
El-Dabea: Journal of Modern Nanotechnology, Vol. 1(1), (2021), p. 1-14