Xmi
Mostrando 13-17 de 17 artigos, teses e dissertações.
-
13. Uma arquitetura de integraÃÃo de metadados governamentais: abordagem baseada em CWM
Cada aplicaÃÃo utiliza diferente estruturas de prograÃÃo, sintaxe, , e semÃntica para modelar seus metadados, gerando grandes incompatibilidades quando hà a necessidade da interaÃÃo com outras aplicaÃÃes. O Object Management Group (OMG) vem trabalhando no estabelecimento do Common Warehouse Metamodel (CWM) como padrÃo para a integraÃÃo de metada
Publicado em: 2004
-
14. Uma soluÃÃo de metadados baseada nos padrÃes MOF e XML
Nos Ãltimos anos, com o crescimento dos sistemas de informaÃÃo, metadados tornaram-se peÃas chave no gerenciamento de todo o ciclo de vida desses sistemas. Muitos esforÃos recentes, tanto das Ãreas acadÃmicas quanto da indÃstria, estÃo sendo concentrados em pesquisas relacionadas a metadados. Esses estudos tentam definir metodologias e padrÃes para
Publicado em: 2003
-
15. Influence of Calcium Ion on Ethanol Tolerance of Saccharomyces bayanus and Alcoholic Fermentation by Yeasts
The addition of Ca2+ (as CaCl2) in optimal concentrations (0.75 to 2.0 mM) to a fermentation medium with a trace contaminating concentration of Ca2+ (0.025 mM) led to the rapid production of higher concentrations of ethanol by Saccharomyces cerevisiae, Saccharomyces bayanus, and Kluyveromyces marxianus. The positive effect of calcium supplementation (0.75 mM
-
16. Comparative study of the interaction of polyuridylic acid with 30S subunits and 70S ribosomes of Escherichia coli.
Fractionated polyuridylic acid with an average chain length of 55 nucleotides forms binary complexes with 30S subunits with a stoichiometry of I:I. These complexes are heterogeneous in stability. The more stable one is characterized by an association constant K2 - 5.5xI09 M-I, and the less stable-by KI = I06xM-I, at 20 mM Mg2+, 200 mM NH4(+) and 0 degrees C.
-
17. Human MI-ER1 Alpha and Beta Function as Transcriptional Repressors by Recruitment of Histone Deacetylase 1 to Their Conserved ELM2 Domain
mi-er1 (previously called er1) was first isolated from Xenopus laevis embryonic cells as a novel fibroblast growth factor-regulated immediate-early gene. Xmi-er1 was shown to encode a nuclear protein with an N-terminal acidic transcription activation domain. The human orthologue of mi-er1 (hmi-er1) displays 91% similarity to the Xenopus sequence at the amino
American Society for Microbiology.