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In order to make compost materials decompose and ferment quickly and efficiently, appropriate C/N ratio is required [8].
In practical work, C/N ratio should be adjusted according to different compost materials, and the appropriate C/N ratio should be at 25-50 [19].
(in Chinese) [3]Bao Jiaqiang.Journal of Agricultural Sciences,1673-0747 (2008) 04-0041-04.
(in Chinese ) [12] Wang Chunming, Lei Hengyi, Wang Guohui, et al.Journal of Environmental Science,Vol.27(6) (2007) ,p979-986.
(in Chinese ) [15] Ge Xiao, Bian Xinzhi, Wang Yan, et al.Journal of Agro-Environment Science,Vol.33(3), (2014) ,p502~507.

Agglomeration not only deteriorated product qualities directly, but also baffled the manufacture of nano multiphase materials [9, 10, 11, 12].
Lü: Materials Letters, Vol 60 (2006), p.2810-2813 [3] S.M.
Guo: Journal of Inorganic Materials, Vol 12 (1997), p.191-194 (In Chinese) [4] P.
Wang: Transactions of Materials and Heat Treatment, Vol 27 (2006), p.24-26 [12] C.Hung & M.H.
Jiang, etc: Journal of Colloid and Interface Science, Vol 286 (2005), p.209-215

Materials and Method Pr0.85Na0.25MnO3 has been prepared via sol-gel method to produce nano-particles at a significantly lower sintering temperature as compared to conventional solid-state method.
Patil, Role of grain size on the magnetic properties of La0.7Sr0.3MnO3, Journal of Magnetism and Magnetic Materials 328 (2013) 86–90
Sun, Particle size effects on La0.7Ca0.3MnO3: size-induced changes of magnetic phase transition order and magnetocaloric study, Journal of Magnetism and Magnetic Materials 322 (2010) 2360–2368
Dua, The effect of Ru doping on the alkali-doped manganite Pr0.8Na0.2MnO3, Journal of Magnetism and Magnetic Materials 322 (2010) 3857–3861
Huang, Influence of molar ratio of citric acid to metal ions on preparation of La0.67Sr0.33MnO3 materials via polymerizable complex process, Journal of the European Ceramic Society 25 (2005) 3611–3618.

Experimental This section consists of materials, preparation of CS/NR composites, and characterization method including degradation test in acrylic degradation box, thermal aging, mechanical test, scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). 2.1 Materials.
Sukhlaaied, Effect of chitosan content on gel content of epoxized natural rubber grafted with chitosan in latex form, Materials Science and Engineering C 33 (2013) 1041-1047
Advances in Materials Science and Engineering. (2013) 1-7
Rao, Studies on the Interfacial Interaction in Natural Rubber Latex/Chitosan Blends, Journal of Adhesion Science and Technology 26 (2012) 793–812
New route to polymeric materials derived from chitosan and natural rubber.

The paper is about synthesizing the 2-ethylhexyl nitrate(2-EHN) with nitric acid and 2-Ethyl hexanol as raw materials and sulfuric acid as catalyst in a micro-channel reactor.
The paper is based on advanced micro-channel response technology, combining with the actual situation of Nanjing refinery. 2-ethyl hexanol and HNO3(98%) are used as raw materials, and H2SO4 is used as the catalyst.
Materials and methods Reagent and instrument.
The materials in advection pump can be expelled from the bottom of the pump with the controlled speed.
Pritchard: submitted to Journal of Combust.

Acknowledgement This work was supported by the major national science & technology program (Top-grade CNC machine tools and basic manufacturing equipment) under Grant No. 2011ZX04016-101.
M: Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture Vol. 226(2012), p. 52-65
Chen: Journal of the Optical Society of America A Vol. 26 (2009), p. 1195-1201
Saldner: Journal of the Optical Society of America A Vol. 14 (1997), p. 3188-3196
H. van Brug: in Nondestructive Evaluation of Aging Materials and Composites IV Vol.3993 (2000), p. 170-181.

Pandit, Improved Efficiency of DSSC using Combustion Synthesized TiO2, Materials Research Bulletin. 109 (2019) 222-226
Asif, Nanostructured photoanode and counter electrode materials for efficient Dye-Sensitized Solar Cells (DSSCs), Solar Energy. 185 (2019) 165–188
Lee, In situ composite coating of titania-hydroxyapatite on titanium substrate by micro-arc oxidation coupled with electrophoretic deposition processing, Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 176 (2011) 1213–1221
Wang et al., Effect of MgO microparticles on characteristics of microarc oxidation coatings fabricated on pure titanium, International Journal of Electrochemical Science. 14 (2019) 287–300
Herman, Plasma spray synthesis of nanomaterial powders and deposits, Material Science & Engineering A. 238 (1997) 275–286.  

Therefore, mechanical properties of the materials evaluated by miniature specimen test are compared with the standard tensile test results on the selected materials.
Kohyama A., Hamada K. and Matsui H. (1991), “Specimen Size Effects on Tensile Properties of Neutron Irradadiated Steels’, Journal of Nuclear Materials, Vol. 179-181. pp. 417-420 [5].
Patric, E., Maurice, P.(2007),“Small punch test: An approach to solve the inverse problem by deformation shape and finite element optimization”, Computational Materials Science,Vol. 40, Issue 1, 33-39
K. (2003), “Quasi-Static Normal Indentation of A Circular Disk Shape Miniature Specimen by Rigid Hemispherical Headed Punches”, Defence Science Journal, Vol. 53, No. 2, pp. 221-229
ASTM, 2003,“Standard Test Method for Tension Testing of Metaliic Materials”, E8-03, Annual book of ASTM standard.

Material used to make fibers for reinforcement may be obtained from paper, metal, nylon, polyester and other materials having widely varied physical properties.
Material Composite soils consist of two parts.
References [1] Akbulut, S., Arasan, S. and Kalkan, E. (2007) Modification of clayey soils using scrap tire rubber and synthetic fibres, Journal of Applied Clay Science 38, 23-32
[4] Chegenizadeh, A., Nikraz, H. (2011) Modulus of elasticity of reinforced clay, Journal of Advanced Materials Research, Vol 261-263 [5] Chegenizadeh,A., Nikraz,H. (2011) Automated Shear test on reinforced clayey sand, Journal of Advanced Materials Research, Vol 261-263,p1019-1023 [6] Chegenizadeh, A., Nikraz, H. (2011) Shear test on reinforced clay, Journal of Advanced Materials Research, Vol 250-253, p3223-3227 [7] Chegenizadeh, A., Nikraz, H. (2011) Investigation on compaction of characteristics of reinforced soil, Journal of Advanced Materials Research, Vol 261-263, p964-968 [8] Consoli, N.C., Vendruscolo, M.A., Fonini, A. and Dalla Rosa, F. (2009) Fibre reinforcement effects on sand considering a wide cementation range, Geotextiles and Geomembranes 27, pp. 196–203
and Choi, T. (1982) “A probabilistic theory of strength of short-fibre composites with variable fibre length and orientation”, Journal of Materials Science 17, pp. 1003–1011 [12] Hoare, D.J. (1979) “Laboratory study of granular soils reinforced with randomly oriented discrete fibres”, Proceedings of the International Conference on Soil Reinforcement Paris, France 1, pp. 47–52

As a strategic function material, GMM is considered to be important to the overall competitive power of national high science and technology in the 21st.
Nonlinear constitutive relations for magnetostrictive materials , Inier.
Mechanical Sciences, 43(2001) 2699-2713
Journal of Materials Processing Technology, 196(2008) 79-87
International Journal of Mechanical Sciences, 43(2001) 1711-1730.