Browsing by Author "Ushak, Svetlana"
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Grágeda Zegarra, Mario; González, Alonso; Alavia, Wilson; Ushak, Svetlana (Elsevier, 2015)LiOH center dot H2O is used for preparation of alkaline batteries. The required characteristics of this compound are low levels of impurities and a specific particle size distribution. LiOH.H2O is produced from ore and ...
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Spodine Spiridonova, Evgenia; Venegas Yazigi, Diego; Ushak, Svetlana; Le Fur, Eric; Pivan, Jean-Yves (ELSEVIER, 2006-10-01)The structure and magnetic properties of two hybrid VPO compounds [(Cu(2)bipy(2))(2)V4O11(PO4)(2)]center dot 5H(2)0 1 and [Cu(2)phen(2)(O3PCH2PO3)(V2O5)(H2O)] center dot H2O 2 are reported. The magnetic behaviour of compound ...
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Díaz Valenzuela, Carlos; Valenzuela, María Luisa; Ushak, Svetlana (Springer, 2008)A new silicated cyclotriphosphazene N3P3(O2C12H8)(2)(OC6H4Si(CH3)(3))(OC6H4Br) 1 has been synthesized and characterized. The solid state pyrolysis of 1 in air gives a nanostructured SiP2O7 3D network. The morphology of the ...
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Synthesis and pyrolysis of silicon and tin containing poly(2,2 '-dioxy-1,1 '-biphenoxy-phosphazenes) Carriedo, Gabino; Valenzuela, María Luisa; Díaz Valenzuela, Carlos; Ushak, Svetlana (PERGAMON-ELSEVIER SCIENCE LTD, 2008-03)The polyphosphazene {[NP(O2Cl2H8)](0.5)[NP(OC6H4Br)(2)](0.5)}(n) (1) [(O2C12H8) = 2,2'-dioxy-1,1'-biphenyl] that, as an strictly alternating copolymer, can be considered nearly as the homopolymer [NP(O2C12H8)NP(OC6H4Br)(2)](n), ...
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Gasia, Jaume; Gutiérrez, Andrea; Peiró, Gerard; Miró, Laia; Grageda, Mario; Ushak, Svetlana; Cabeza, Luisa F. (Elsevier, 2015)The selection of the proper thermal energy storage (TES) material for an application is crucial. On the one hand, these materials should have suitable thermal properties for the operational temperatures range of the systems ...