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Effect of Tackifier on Thermal Oxidation Kinetics and Effective Storage Time of Raw Natural Rubber Beilong Zhanga, Honghai Huangb, Weiyong Dengc, Yongzhou Wange, Li Dingf, Pingyue Wangg Ministry of Agriculture Key Laboratory of Tropical Crops Processing, Agricultural Product Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, P.
Experimental Materials Hydrazine dihydrochloride and hydrazine sulfate were of chemical grade.
Table 1 The largest peak temperature Tp of oxidative exothermal peak activation energies of oxidation reaction of rubbers tackifier heating rate (℃/min) activation energy (kJ/mol) correlation coefficient 4 5 6 8 10 the largest peak temperature of oxidation exothermal peak Tp (℃) the control 189.11 193.43 200.22 203.50 104.7 0.9877 hydrazine dihydrochloride 190.04 194.41 195.80 200.77 205.65 105.6 0.9935 hydrazine sulfate 189.52 193.91 194.91 201.79 204.60 103.1 0.9906 Effect of tackifier on effective storage time of natural rubber Heat aging life equation of high molecular weight materials The heat aging life equation6,7 of high molecular weight materials is usually as follows τ= + (3) Where a is a constant, the intercept of aging life line; b is E/2.303R, E is the activation energy of oxidation, and R is gas constant (R= 8.314); T is ambient temperature K; τis the time need when the properties of high molecular
weight materials reaching at out-of-service intex, day.
Acknowledgements This work was supported by National Natural Science Foundation of P.R.China (No.50963006 ), is gratefully acknowledged.

Due to this, the development of technologies for the use of these man-made materials is an important task.
Mechanics and materials. 682 (2014) 495-498
IOP Conference Series: Materials Science and Engineering. 127 (2016) 1-7
IOP Conference Series: Materials Science and Engineering. 91 (2015) 1-6
Russian Physics Journal. 10(50) (2007) 964-968.

The choice of the electrolyte is due to the fact that borate ions are practically indifferent to electrode materials.
Gil'mutdinov, Obtaining, physicochemical and biological properties of tautomeric nanoforms of the drug "Magnerot", Nanotechnology: science and production. 14 (2014) 80-85
Ladjanov, Mechanical activation effect on structure, physicochemical, and biological properties of potassium orotate/magnesium orotates, IOP Conference Series: Materials Science and Engineering. 283 (2017) 012004
Lomovskij, Applied mechanochemistry: pharmaceuticals and medical industry, Processing of dispersed materials and media.
Zlatsiy, Mechanochemical substances as mechanochemical activation of pharmaceutical substances as a factor for modification of their physical, chemical and biological properties, International Journal of Applied Pharmaceutics. 11 (2019) 118-123

The material properties were input into the ABAQUS CAE model as a set of points on the stress-strain curve.
Figure 2 shows the stress-strain curves of 6061-T6 material.
References [1] RJ Brungraber and JW.Clark, Journal of Structural Division, ASCE(1960)
Srivatsan, Materials Science & Engineering A, 327, 203-212(2002) [10] A.
Benguedaib, Materials Science & Engineering A, 527, 6413-6421(2010) [11] TS Kim and H.Kuwamura, Thin-Walled Structures, 45:407–21(2007) [12] TS Kim, H Kuwamura and TJ Cho, Thin-Walled Structures, 46:38–53(2008) [13] TS Kim, H Kuwamura, TJ Cho, SH Kim and YT Lee, ISIJ International,48, 678–87(2008) [14] ABAQUS, Inc.

Stankiewicz [12], of the selected materials, is presented in Table 1.
Acknowledgement Financial support from the Polish Ministry of Science and Higher Education, project no C013/T08/2000 is gratefully acknowledged.
Rincón, La Revue de Métallurgie-CIT/Science et Génie des Matériaux, Mai (1995), p. 681 [9] D.
Hazardous Materials, vol.
Rietveld, Journal of Applied Crystallography., Vol.2 (1969), p. 65

Preparation of MRF Experimental apparatus and materials.
Materials: polyethylene glycol (PEG-4000), ferrous chloride (FeCl2·4H2O), ferric chloride (FeCl3·6H2O), absolute ethyl alcohol, hydrochloric acid, sodium hydroxide , distilled water and so on.
Acknowledgements This work was supported by National Natural Science Foundation of China (No.50975275).
Rosensweig, Magnetic Fluids, International Science and Technology, July 1966
Journal of Xuzhou Institute of Architectural Technology, 2002, 2(1): 1-4 [4] Liu,X.

Model Study about the Influence of Superheat on Macrosegregation Formation in Continuously Cast Bloom of Special Steel Zibing Hou1, a, Guoguang Cheng1, b 1 School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, P.R.China ahouzibing@139.com, bchengguoguang@metall.ustb.edu.cn.
Hunt: Materials Science and Engieering Vol.65(1984), p. 75 [9] H.
Ciriόn: Materials Science and Engineering Vol.A173(1993), p. 287 [12] G.
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Alterations in population growth rate of Caenorhabditis elegans exposed to dichlorvos Chun-hua Wang 1,2, a and Chao-pin Li 1,b 1Anhui University of Science &Technoligy, Department of Environmental Engineering, Xueyuan Rode , 232001 Huainan, China 2Huainan Normal University, Department of Life Science, Xueyuan Rode,232001 Huainan, China ach_wang03@aliyun.com, b13805536665@126.com Keywords: dichlorvos; population growth rate; life-cycle traits Abstract.
Materials and Methods Materials.
Acknowledgements This work was financially supported by the Anhui Natural Science Foundation (KJ2012Z380).
Journal of Toxicology and Environmental Health, Part A, (2008), 71: 1043–1050

Materials and Methods Materials.
Acknowledgements This work was financially supported by the National Natural Science Foundation (No.21167008) and ChunHui project of Ministry of Education (No.Z2008-1-01007) References [1] Mcewen, S.A.& P.J.Fedorka-Cray.
Journal of Plant Nutrition and Soil Science, 2003, 166: 145－167
[5] Singh,R.P.Evaluation of the effect of surfactants on the adsorption and movement of carbaryl in soils of divergent texture [J].Adsorption Science & Technology,2009,27(10):921-934

Introduction RDX is widely applied as a significant industrial explosive due to its excellent advantages, such as superior detontion performances, abundant raw materials, simple preparation method, and so on.
Therefore, the research for drying technological conditions of RDX has remarkable significance for further study of drying, producing, storage technology of RDX and other energetic materials.
Acknowledgements This work was financially supported by the Committee of National Natural Science Founds and Physical Research Institute of Chinese Engineering (10276018, 10776012).
Journal of Central South University of Technology, (2010)
Environment Science and Engineering. (2011) [6] Xianghong Xu, Mingzhu He.