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Materials and methods Materials The sample for analysis were commercial dehydrated carrots cube (1 mm diameter and 0.5 mm thickness, 7 ～ 9 % moisture content), they were purchased from Shandong province in China.
Klaus: International Journal of Food Science and Technology, Vol. 44 (2007), p. 1245 [5] S.N.
Resnik and G.Wetzler: Journal of Food Science, Vol. 52 (1987), p. 1063 [9] K.
Chang: Journal of Food Science, Vol. 60 (1995), p. 324 [11] P.S.
Warthesen: Journal of Food Science, Vol. 60 (1995), p. 1048

Introduction Composite materials of layered structure are used in various industries.
Methods of mechanics of composite materials are used.
Methods of mechanics of composite materials with hard and soft layers are used.
Miao, Analysis of Strength Factors of Steel Cord Conveyor Belt Splices Based on the FEM, Advances in Materials Science and Engineering (2019) 1–9. https://doi.org/10.1155/2019/6926413
Materials 14(15) (2021) 4323. https://doi.org/10.3390/ma14154323

Nakhaev, Composite Binders with the Use of Fine Raw Materials of Volcanic Origin, International journal of environmental & science education. 11 (18) (2016) 12711-12716
Suleymanov, Energy-efficient concretes for green construction, Research journal of applied sciences. 9 (12) (2014) 1087-1090
Klyuev, A.V.Olisov, A.Taskin, Ali Mosaberpanah M., Effect of ash-slag mix and polypropylene fiber on the performances of concrete composite, Materials Science Forum. 1017 (2021) 1–17 [9] R.V.
Mugahed, Enhancing performances of clay masonry materials based on nanosize mine waste, Construction and Building Materials. 269 (2021) 121333
Bogusevich, Energy saving raw materials for the production of new generation silicate materials, International Journal of Pharmacy and Technology. 8 (4) (2016) 22673–22686.

Guan Institute of Numerical Simulation in Science and Engineering, Department of Computer Science, Tianjin University of Technology and Education, Tianjin 300222, China E-mail: xuanzc@tute.edu.cn Key words: Verification; J-integral; Functionally graded materials; Finite elements Abstract.
Introduction J-integral in functionally graded material (FGM) is an important quantity of interest in material science.
Numerical simulation method has been developed for calculating the J-integral, for example, finite element method is a widely used to compute the J-integral in both homogeneous and nonhomogeneous materials.
By expanding the second integrand, (3) leads to . (4) Using equilibrium () and strain-displacement () conditions and noting that in homogeneous materials, the second integrand of Eq. (4) vanishes, yielding , (5) which is the classical domain form of the J-integral in homogeneous materials.
For nonhomogeous materials, even though the equilibrium and strain-displacement conditions are satisfied, the material gradient term of the second intgrand of (4) dose not vanish.

Ohtsuki: Evaluation of in vitro bioactivity and biocompatibility of Bioglass®-reinforced polyethylene composite Journal of Materials Science: Materials in Medicine 8(12), (1997), 809-813
Journal of Material Science Letters 6:188, (1987), 188-190. [9] J.
Materials Science and Engineering A 362(1-2), (2003), p. 61-80
Materials Science Forum 308-311, (1999), p. 319-22
Journal of Materials Science 28(10), (1993), p. 2820-26

Zenitovab Federal state-funded educational institution of the higher education "Kazan National University of Science and Technology" a*dina-fazylova@yandex.ru, bliubov_zenitova@mail.ru Keywords: polymeric composite materials, low-molecular siloxane rubbers, impression materials for stomatology Abstract: Polymeric composite materials (PСM) on the basis of low-molecular siloxane rubber which are supposed to be used as impression materials in stomatology are developed.
Currently, dentistry uses impression materials of foreign brands based on imported raw materials-vinyl siloxane rubbers, which have a rather high cost.
The developed impression materials meet the requirements (GOST 31573 - 2012) for dental impression materials.
Kovalevskaya: submitted to Journal of Rice Cultivation (2005) [4] L.A.
Sergienko: submitted to Journal of Applied Chemistry (2005) [5] V.R.

In the years passed since the first conference held in 1999 [1] the subject has expanded from isolated pioneering publications to one of the most actively developing trends in materials science and related disciplines such as materials processing technology, solid state physics and chemistry.
Recently the scope of NanoSPD was broadened to include further engineering and medical branches, thus increasing the number of publications in this field to several hundred per year and boasting top-cited papers in leading materials science journals [2].
As a resume of the scientific outcome of the conference, it was stated that bulk nanostructured materials produced by SPD have become an extensively pursued area of research in materials science.
In particular, the International Symposium on Ultrafine-Grained Materials moved its sessions on all aspects of science and technology of bulk ultrafine-grained materials produced by SPD techniques and other techniques.
Lowe (eds.): Ultrafine Grained Materials II (The Minerals, Metals and Materials Society, Warrendale, PA 2002)

In order to improve management level of mining materials, optimum loading scheme is important.
The result shows that genetic algorithm in solving the optimum loading scheme of mining materials has quick convergence, short term, and higher precision.
Introduction In the mining enterprises, materials supply has many varieties, expensive and other significant characteristics, involving more than 30 kinds of million product such as building materials, machinery parts, equipment, explosive device, wood[1~2].
The paper solves loading problem of mining materials by genetic algorithm.
,” Journal of Shandong University of Science and Technology(Natural Science), Vol 26, Jan (2007), pp. 106-108 [10] Tongbin Zhao, Yunliang Tan, Hong Wang, “Analytical Solution of Coulomb Earth Pressure on Retaining Wall by Genetic Algorithm,” Rock and Soil Mechanics, Vol 30, Apr (2009), pp. 1170-1174

Experimental Preparation of materials.
Journal of Materials Science & Tenchnology. 2019, 35(6): 994-1002 [2] Bao Liying, Yang Zeliang, Chen Lai, Su Yuefeng, Lu Yun, Li Weikang, Yuan Feiyu, Dong Jinyang, Fang Youyou, Ji Zhe.
Journal of Materials Chemistry A. 2013, 1 (18), 5587-5595 [6] Yuan Li-Xia, Wang Zhao-Hui, Zhang Wu-Xing, Hu Xian-Luo, Chen Ji-Tao, Huang Yun-Hui, Goodenough John B.
Journal of Materials Chemistry.
Journal of Materials Chemistry. 2017, 29:10299-10311 [23] Yanhong Xiang, Xianwen Wu.

Metallographic examination is one of the essential means of materials science research.
It also shows that automation and computerization in the field of material is not only feasible, but also essential for materials science research.
Zhang: Journal of Materials Processing Technology，Vol. 11 (2001) No.7, p.84
Zhou: Journal of Materials Science & Technology, Vol. 17 (2001) No.3, p.306
Yang and Z.L.Hu: Materials Review, Vol. 14 (2000) No.7, p.3.