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Table 1 shows the mechanical properties of B4C ceramic materials in different hot pressing temperatures.
Fig. 3 SEM fractographs of B4C ceramic materials in different sintering temperatures: (a) 1800℃; (b) 1850℃；(c) 1950℃; (d) 2100℃.
It can be concluded that the fracture mode of hot pressed B4C ceramic materials was a typical transgranular fracture.
Yoshizawa: Journal of the Ceramic Society of Japan Vol. 116(1360) (2008), p.1319   [3] G.
Key Engineering Materials Vol. 434-435 (2010), p. 50 [8] J.

Materials Hydrolyzed sericin powder (molecular weight distribution of sericin peptides was mostly between 200 and 2000 Da) were obtained from Huzhou Xintiansi Bio-Tech Co., Ltd.
Conclusions Application of bacteria as experimental materials is a simple and valid method in studying function of gene or protein.
And this research was partly funded by the National Natural Science Foundation of China (No.31171642 and 31000800).
Marth, Injury and death of frozen Listeria monocytogenes as affected by glycerol and milk components, Journal of Dairy Science. 74 (1991) 1201-1208
Lee, Application of Antifreeze Protein for Food Preservation: Effect of Type III Antifreeze Protein for Preservation of Gel-forming of Frozen and Chilled Actomyosin, Journal of Food Science. 68 (2003) 1804-1809

But there are two technical challenges using the loose abrasive slurry cutting of the hard-brittle materials.
One is the slow cutting speed and another is the ability to cut other harder and more difficult-to-machine ceramic materials[1].
Feed rate is used to present the material removal rate.
Acknowledgements This study is supported by the Natural Science Foundation of China (No.50475132) and the Distinguished Youth Science Foundation of Shandong Province (No.02BS066) References [1] W.I.
McSpadden: International Journal of Machine Tools & Manufacture, Vol.43 (2003), pp.523

Journal of Mountain Science, 15(7), 1585-1596. https://doi.org/10.1007/s11629-018-4919-0
Journal of Mountain Science,19(2), 591-605. https://doi.org/10.1007/s11629-020-6634-x
International Journal of Mining Science and Technology, 27(3), 415-421. https://doi.org/10.1016/j.ijmst.2017.03.005
Risk prediction of water inrush of karst tunnels based on bp neural network. 2016 4th International Conference on Mechanical Materials and Manufacturing Engineering, Atlantis Press
Case Studies in Construction Materials, 16, e01059. https://doi.org/10.1016/j.cscm.2022.e01059

But metal material corrosion fatigue research, especially in the airline in the field of more, there are many related test methods and application of theory [2].
Experiment Design Experiment Materials and Equipment.
China railway science, 2006, 27 (4) : 32-37
Journal of concrete, 2004 (2): 11-15
Journal of Composite Materials, 1997, 31(2):128-157.

In recent years, new processes, new materials and new problems, scholars for PC concrete beam and RC beam corrosion fatigue, carbon fiber reinforced RC beam, carried out a series of self-compacting concrete beam fatigue test work, etc., made a lot of research results.
Corten Dolan - principles that a single cycle from damage to the value of (m, r, respectively reflect the development rate of stress and damage parameters, c and d is constant, and related materials), n continuous circular damage to, such as variable amplitude loading, the damage for the n cycle
Acknowledgment This paper supported partly by the natural science foundation of Hubei Province (No. 2011CDB239).
Civil Engineering Journal Vol. 30 (1997), p. 37 [3] Hong-Bing Zhu.
Journal of Structural Engineering Vol. 117(1991), p. 3742 [5] Hong-Bing Zhu.

Effect of Cooling Rate and Si Content on Solidification Characteristics of Silicon Steel during Near-rapid Solidification Lei WANGa, Xianyong HEb, Qin PENGc, Rong YANGd and Qijie ZHAIe School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China awangleineu@163.com, bhxyzilyfe@gmail.com, cpengqin224@163.com, dismeo@163.com, eqjzhai@shu.edu.cn Keywords: near-rapid solidification, silicon steel, solidification structure, linear contraction rate Abstract.
Introduction As a kind of important magnetic materials, silicon steel is still an exciting material for industrial and joint fundamental research.
Acknowledgements The authors gratefully acknowledge the financial support from National Basic Research Program of China (No.2010CB630802) and China Postdoctoral Science Foundation (No.20100470676).
Gan: Journal of Iron and Steel Research Vol. 21(2009), p.1.
Jiang: International Journal of Modern Physics B Vol. 22 (2008), p. 5762

Table 1 shows the mechanical properties of a ball material.
Table 1: Mechanical properties of a ball material.
Jaafar, Jurnal Teknologi (Sciences and Engineering) 66 (2014) 53
Ridzuan, International Journal of Mechanical Sciences 53 (2011) 549
Tajul, Health and the Environment Journal 4 (2013) 76

Co-gasification Characteristic and Kinetic Analysis of Spent Mushroom Compost and Bituminous Coal Zhiqiang Wu1, a, Shuzhong Wang1, 2, b, Jun Zhao1, c, Lin Chen1, d, Haiyu Meng1,e 1 Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi ,710049, P.R.
Materials and Methods Materials.
The fundamental assumptions for DAEM method were: i a large number of independent reactions exists during the decomposition of the organic material; ii all of the independent reactions have the same frequency factor.[7, 8] (2) where V is the weight loss ratio of sample at time t, V* is the total weight loss ratio of sample, k0 is the pre-exponential, E is the activation energy (kJ·mol-1), R is the universal gas constant (kJ·mol-1·K-1), T is the absolute temperature (K), f(E) is the normalized distribution functions of activation energy and (3) Equation 1 can be simplified into as follows: (4) (5) (6) Results and discussion Co-gasification characteristic.
Kumar, "Cogasification of Coal and Biomass: A Review," International Journal of Forestry Research, vol. 2012, p. 10, 2012
Zhaolong, "The Study of Pyrolysis Property of Pulverized Coal by Thermogravimetry," Journal of Combustion Science and Technology vol. 5, pp. 175-179, 1999

Arithmetic realization The finalized categorization value includes similarity calculation based VSM (Vector Space Model). 1 Formula 1: weight calculation formula in category Online demonstration website of text categorization is“www.languagetech.cn/class_demo.aspx” Formula 2: weight calculation formula of keywords in document In above formula, ,denotes sum of number of all words in category and is the frequency of word i occurring in category ; , denotes sum of number of all words in text d and is the frequency of word i occurring in text d; , in which m is number of categories; denotes the frequency of occurring in training language materials, N is sum of number of all words occurring in language materials and n = 3.
Acknowledgment This article was supported by Chinese 2008 national society science fund general project (08BYY019) and Philosophy society science ‘eleventh five year plan” planning project of Guangdong province (07YJ01).
Journal of Information Retrieval， 1(1/2): 67-88,1999
Balanced language material analysis and text categorization methods based on large-scale real texts [C].
Journal of Information，2003, 22(3): 306-309.