loiwtjsf
Dołączył: 30 Sie 2010
Posty: 1562
Przeczytał: 0 tematów
Ostrzeżeń: 0/5 Skąd: ewcinl
|
Wysłany: Czw 8:43, 02 Gru 2010 Temat postu: PUMA BAYLEE FUTURE CAT New indolizine grafted poly |
|
|
,[link widoczny dla zalogowanych]
New indolizine grafted polysilanes and fluorescence properties of the synthesis
anemitstrongbluefluorescent. Soitispromisingtobetheflu-orescentfunctionalmateria1. Keywords: polysilane; fluorescenceproperty; indolizine (pick No. 1946 on) [4] RhodesWH. [J]. JournalofAmericanSociety,[link widoczny dla zalogowanych], 1981,[link widoczny dla zalogowanych],64 (1) :13-19. [5] HolcombeCE. CementitiousYttriaProducts [M]. Oak [6] Hu Rongzu, SHI Qi-Zhen. Press, 2001. [7] Liu Ji Jin, Chen Zongzhang. (11) :1833 -1837. Thermal analysis kinetics [M]. Beijing: Science Press [J]. Chinese Journal of Nonferrous Metals, 2004,[link widoczny dla zalogowanych],14 Ridge: OakRidge,[link widoczny dla zalogowanych], 1978. Kineticsofthermalfecompositionofthehydrateprecursorfispersedwith (NH4) 2SO4forsynthesizingY203nanopowdersLUGuang-zhe, SUNXu-dong, LIXiao-dong, XIUZhi-meng (KeyLaboratoryforAnisotropyandTextureofMaterials (MinistryofEducation), SchoolofMaterialsandMetallurgy, NortheastenUniversity, Shenyang110004, China) Abstract: BasedonTG-DSCexperiment, thekineticsofthermaldecompositionofthehydrateprecursorwith (NH4) 2SO4dispersantforsynthesizingY2O3nanopowderswereinvestigated. TheFlynn-Wall-OzawaintegralmethodandtheSatava. -SestakintegralmethodwereusedrespectivelytoanalyzetheTG - DSCcurvesofthepre - cursoratdifferentheatingrates, andthetwomethodsgavequitesimilarcalculatedresultsofkineticparameters. ThedecompositionprocessoftheprecursorcanbeexpressedasY2 (OH) 5NO3 ・ nH2OY2 (OH) 5NO3Y2O2 (OH) NO3Y2O3releaseofabsorbedSOi one. Thecalculatedactivationenergiesare13.42, 57.90,132.08 and137.56ld/mol, andthereactionmechanismsaccordswithmampelpowerprinciple, Avrami-Erofeefunction, Avrami-Erofeefunctionandmampelpowerprinciple, respectivelyforthefourstages. Thecorrespondingreac-tionmechanismsarerandomnucleationandgrowth. Keywords: Y203; hydrateprecursor; thermaldecomposition; kineticanalysis} (NH4) 2804
相关的主题文章:
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]
sheepskin ugg boots The shadow of the White Rose -
Post został pochwalony 0 razy
|
|