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In particular, if the material is initially bonded, apertures increase only when bonds break and the constituent particles move apart.
Table 1 Parameters of soils materials Elastic modulus/MPa Poisson ratio Bulk density /KN·m-3 Cohesive /MPa Internal friction Angle/ (°) Weathered rock 35.0 0.28 20.2 0.001 30 Based on the geological condition, the process of fracture grouting in soil is simulated with PFC2D from micro-viewpoint under coupling environment to study grouting mechanism.
Microscopic analysis of shear band in structured clay, Chinese Journal of Geotechnical Engineering, Vol. 20, No. 2, 1998, p. 103-108(In Chinese)
Numerical experiments on localization in frictional material, Ingenieur-Archiv, Vol. 59, 1989, p. 148-159
Thesis, Beijing University of Science and Technology, Beijing, 2004(In Chinese)

Materials and methods Chemicals Canadian bitumen was used as the upgrading material.
Lou: submitted to Petroleum Science and Technology (2005) [2] M.
Vasquez: submitted to Petroleum Science and Technology (2003) [4] T.
Watanabe: submitted to Journal of Supercritical Fluids (2010) [5] M.
Kunimori: submitted to Journal of Catalysis (2002) [6] G.

Emergency needs can be abstracted as subject material, information flow process from the supply to the demand.
Journal of East China University of Science And Technology(Natural Science Edition),2009,05
Journal of Business Logistics, 1999, 20(1)
Journal of Zhejiang University(Engineering Science),2003,37(2):243-248
Journal of Air Force Engineering University(Journal of East China University of Science And Technology(Natural Science Edition).2005,6(2):92-94

Segadãesd* a State University of Santa Catarina, Centre of Technology Sciences (UDESC/CCT), 89223-100 Joinville-SC, Brazil b Federal University of Santa Catarina, Materials Science and Engineering Graduation Program (UFSC/PGMAT), 88040-900 Florianópolis-SC, Brazil c Federal University of Santa Catarina, Department of Chemical Engineering (UFSC/EQA), 88040900 Florianópolis-SC, Brazil d University of Aveiro, Dept.
Applied Clay Science, 2002, 20, 301-306
Journal of Coatings Technology, 1996, 68, 71-75
Materials Letters, 2002, 55, 165-170
Materials Letters, 52 (2002) 394-398.

Materials and Design,vol.24(2003)2003,p.415
[2] Claudio Guarnaschelli,Paolo Folgarait.Materials Science Froum vols638-642(2010).p.3236 [3] S.K.
Journal of Materials Processing Technology vol.140 (2003),p. 454
Journal of Materials Processing Technology, vol.48 (1995),p.475
Materials Science and Engineering,vol.487 (2008),p.468 [7] J.M.Hyzak,I.M.Bernstein.Metarllurgical Transactions A,vol.7A(1976),p.1217

Orthogonal experiment of slit-charge structural parameters The slit-charge structural factors are slotted pipe materials, slotted pipe wall thickness, cutting seam width, cutting seam length and decoupling ratio.
The most important influencing factor of the slit-charge’s blasting effect is tube material.
In the four contrasting materials iron pipe’s blasting effect is the best, paper tube is the worst, PP and PVC materials are probably similar and in the middle of all.
Comprehensive consideration of various factors, such as to meet the engineering requirements, a wide sources of the selected material, reasonable price, the site easy to operate, the PP material is chose.
Abstr. (1978) [2] Yang Yongqi, Yang Renshu, et al: submitted to ENGINEERING BLASTING (1995) [3] Zhang Zhicheng: submitted to MINING R & D (2000) [4] Li Yantao: submitted to Journal of Liaoning Technical University (Natural Science) (2000) [5] Zhang Yuming, Zhang Qi, Bai Chunhua: submitted to Coal Science and Technology (2001) [6] Fu Yongchun, Zhou Bo: submitted to YUNNAN WATER POWER (2003) [7] Gao Quanchen, Yang Yongqi, Song Hao, et al:submitted to Coal Science and Technology (1995) [8] Dai Jun, Wang Daihua, Xiong Guanghong, et al: submitted to Nonferrous Metals (2004) [9] Song Junsheng, Yang Yongqi, Zeng Kangsheng: submitted to Coal Engineering (1997) [10] Wang Shuren: submitted to Journal of China University of Mining & Technology (1985)

Zhang: Hot deformation behavior of delta-processed superalloy 718, Materials Science and Engineering, A 528 (2011) 3218–3227
Burke: Comparison of the phase compositions in Alloy 718 measured by atom probe tomography and predicted by thermodynamic calculations, Materials Science and Engineering A327 (2002) 84–88
Chrzanowski: Problems of determination of effective emissivity of some materials in MIR range, Infrared Phys.
Sińczak: Precision forging of thin-walled parts of AZ31 magnesium alloy, Archives of Metallurgy and Materials, 2007, vol. 52 iss. 2,  329–336
Lishiny: Cost-effective implementation of forging simulation, Journal of Materials Processing Technology, 113 (2001) 34-39.

Experimental Materials and Mixtures Design.
Bridge Materials.(2001) 117-127 [4] N.
Journal of Materials in Civil Engineering.1996(2):1-6 [5] Pierre-Claude Aitcin.
Study on Development of Service Life Prediction of Concrete, Journal of Building Materials, 1999, 2(3): 249-256 [9] Glass G..
Chloride Threshold for Corrosion of Reinforcement in Concrete, ACI Materials Journal, 1996, 94(6): 534-538

These characteristics are why MNPs are a group of materials widely used as catalysts in the production of biofuels such as biodiesel, bioethanol, bio-oil and hydrogen [3].
These materials are also constituted of fine strongly bound (pre-sintered) particles and low interparticle porosity.
Nanoferrites with a spinel type structure are promising materials for the esterification reaction of soybean oil to produce biodiesel.
Costa: Materials Science Forum Vol. 727-728 (2012), p. 1302
Gama: Journal of Magnetism and Magnetic Materials Vol. 320 (2008), p . e370

Out of these, 76 invited papers were published in a special issue of Journal of Magnetism and Magnetic Materials.
The successful MISM Symposium was made possible by generous financial support provided by the following sponsors which are gratefully acknowledged: Moscow State University, Russian Foundation for Basic Research, Dynasty Foundation (Moscow), Institute for Theoretical and Applied Electromagnetics of Russian Academy of Sciences (ITAE RAS), European Physical Society, 147th Committee of Japanese Society for Promotion of Science, Kapitza Institute for Physical Problems, NT-MDT Nanotechnology.