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Ilmars Zalite, Ints Steins and Natalja Zilinska

References 1. Schulz, I., Herrmann, M., Endler, I., Zalite, I., Speisser, B., Kreusser, J. Nano Si3N4 composites with improved tribological properties. Lubrication Science, 2009, vol. 21, pp. 69-81. http://dx.doi.org/10.1002/ls.72 2. Gogotsi, Yu. G. Particulate silicon nitride-based composites. J. Mater. Sci., 2000, vol. 29, pp. 2541-2556. http://dx.doi.org/10.1007/BF00356803 3. Petzow, G., Hermann, M. Silicon nitride ceramics. Structure and Bonding. Springer, Berlin, 2002, vol. 102, pp. 71-72. 4

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Marek Kawa, Wojciech Puła and Michał Suska

References [1] EN 1990:2002. Eurocode: Basis of structural design. CEN, European Committee for Standardization, Brussels. [2] FENTON G.A., GRIFFITHS D.V., Bearing-capacity prediction of spatially random c φ soils, Canadian Geotechnical Journal, 2003, 40(1), 54-65. [3] FENTON G.A., GRIFFITHS D.V., Risk Assessment in Geotechnical Engineering, John Wiley & Sons, New York 2008. [4] FENTON G.A., VANMARCKE E.H., Simulation of random fields via local average subdivision, Journal of Engineering Mechanics

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Adrian Różański and Maciej Sobótka

References [1] ABRAMOWITZ M., STEGUN I.A., Handbook of mathematical functions, Dover Publications, Inc., New York 1972. [2] ASTM D5334-05 Standard, Standard Test Method for Determination of Thermal Conductivity of Soil and Soft Rock by Thermal Needle Probe Procedure, 2005. [3] CARSLAW H.S., JAEGER J.C., Conduction of heat in solids, Second edition, Oxford, Clarendon Press, 1959. [4] DE VRIES D.A., Heat transfer in soils, [in:] Heat and Mass Transfer in the Biosphere, I. Transfer Processes in

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Jolanta Anna Prusiel and Krzysztof Gierej

reference factor, C op 0.5 a) Load combination I – symmetrical horizontal pressure and surface friction in connection with combination of randomly applied local loads on each silo ring respectively ( Fig. 5a) , Figure 5 Values of components of bulk solid pressure on the wall of the silo with diameter d c =10 m and height H =25 m during emptying on large eccentricities e 0(2) = 0 . 375 d c : a) Combination I; b) Combination II. b) Load combination II – non-symmetrical pressure on the chamber perimeter, taking into account the

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Anupam Bhandari

) = u ′ ( t ′ ) V 0 , t = ρ V 0 2 μ t ′ ,     G r = μ g β ( T w − T ∞ ) ρ V 0 3 , G m = μ g β ′ ( C w − C ∞ ) ρ V 0 3 $$\begin{matrix}U\left( t \right)=\frac{{u}'\left( {{t}'} \right)}{{{V}_{0}}},t=\frac{\rho V_{0}^{2}}{\mu }{t}',\,\,Gr=\frac{\mu g\beta \left( {{T}_{w}}-{{T}_{\infty }} \right)}{\rho V_{0}^{3}}, \\Gm=\frac{\mu g{\beta }'\left( {{C}_{w}}-{{C}_{\infty }} \right)}{\rho V_{0}^{3}} \\\end{matrix}$$ (10) M = σ B 0 2 μ ρ 2 V 0 2 ,     K = K ′ V 0 2 ρ 2 μ 2 ,           γ = K 1 μ ρ V 0 2 ,       S c = μ ρ D , φ = Q 0 μ ρ 2 C p V 0 2

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Agnieszka Smaga

REFERENCES [1] B riaud J.-L., C hen H.-C., N urtjahyo Y., L i P., W ang J., Complex pier scour and contraction scour in cohesive soils , Transportation Research Board National Research Council. (NCHRP REPORT 24–15, 2003). [2] J acobs W., L e H ir P., V an K esteren W., C ann P., Erosion threshold of sand – mud mixtures , Continental Shelf Research, 2011, 31, 14–25. DOI: 10.1016/j.crs.2010.05.012. [3] M łynarek Z., Czynniki wpływające na opór stożka podczas statycznego sondowania gruntów spoistych , Poznań: Roczniki Akademii

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Ilmārs Zālīte, Gundega Heidemane, Aija Krūmiņa, Dzintra Rašmane and Mikhail Maiorov

R eferences [1]A. C. F. M. Costa, E. Tortella, M. R. Morelli, and R. H. G. A. Kiminami, “Synthesis, microstructure and magnetic properties of Ni–Zn ferrites,” Journal of Magnetism and Magnetic Materials , vol. 256, no. 1–3, pp. 174–182, Jan. 2003. https://doi.org/10.1016/S0304-8853(02)00449-3 [2]P. Priyadharsini, A. Pradeep, and G. Chandrasekaran, “Novel combustion route of synthesis and characterization of nanocrystalline mixed ferrites of Ni–Zn,” Journal of Magnetism and Magnetic Materials , vol. 321, no. 12, pp. 1898–1903, Jun. 2009. https

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Marek Kawa

, International Journal of Analytical and Numerical Methods in Geomechanics, 2010, 34(3), 221-247, DOI: 10.1002/nag.799. [4] JAEGER J.C., Shear failure of anisotropic rocks , Geological Magazine, 1960, 97(1), 65-72. [5] KAWA M., PIETRUSZCZAK S., SHIEH-BEYGI B., Limit states for brick masonry based on homogenization approach , International Journal of Solids and Structures, 2008, 45 (3-4), 998-1016, DOI: 10.1016/ j.ijsolstr.2007.09.015. [6] MILANI G., LOURENCO P.B., TRALLI A., Homogenised limit analysis of masonry walls, part I: failure surfaces; part II: structural

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Palusamy Suppuraj, Ganesamoorthy Thirunarayanan, Meenakshisundaram Swaminathan and Inbasekaran Muthuvel

. https://doi.org/10.1039/C2JM33556E [6] Z. He, T. Hong, J. Chen, and S. Song, “A magnetic TiO 2 photocatalyst doped with iodine for organic pollutant degradation,” Separation and Purification Technology , vol. 96, pp. 50–57, Aug. 2012. https://doi.org/10.1016/j.seppur.2012.05.005 [7] G. Fan, J. Tong, and F. Li, “Visible-light-induced photocatalyst based on cobalt-doped zinc ferrite nanocrystals,” Industrial & Engineering Chemistry Research , vol. 51, no. 42, pp. 13639–13647, Oct. 2012. https://doi.org/10.1021/ie201933g [8] A. I. Borhan, P

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Ingunda Sperberga, Polina Spela, Maris Rundans and Andris Cimmers

References 1. Konan, K. L., Peyratout, C., Smith, A., et. al. Surface modifications of illite in concentrated lime solutions investigated by pyridine adsorption. Journal of Colloid and Interface Science, 2012, vol. 382, issue 1, pp. 17−21. http://dx.doi.org/10.1016/j.jcis.2012.05.039 2. Davidovits, J. Geopolymers: Inorganic polymeric new materials. Journal of Thermal Analysis, 1991, vol. 37, issue 8, pp. 1633−1656. http://dx.doi.org/10.1007/BF01912193 3. Davidovits, J. Geopolymer chemistry & applications. 2nd ed