RESUMO Este artigo apresenta a utilidade da análise de redes para compreender os atores e as arenas política externa brasileira, no período 1930 1985. Para esse fim, utiliza uma base dados inédita com 953 eventos que somam 3.731 participantes. O estudo argumenta brasileira foi moldada por ampla gama instituições. De um lado, o Ministério das Relações Exteriores não teve monopólio arena. outro, ...

Several studies have found an association between sleep duration and morbidity and mortality, but no previous studies have examined the association between sleep disturbances and semen quality. We conducted a crosssectional study among 953 young Danish men from the general population who were recruited in Copenhagen at the time of determination of fitness for military service between January 20...

La aprobación del Reglamento (UE) 2021/953 Parlamento Europeo y Consejo, de 14 junio 2021, relativo a un marco para la expedición, verificación aceptación certificados COVID-19 interoperables vacunación, prueba diagnóstica recuperación (certificado COVID digital UE) fin facilitar libre circulación durante pandemia COVID-19, posibilitó que los Estados miembros instaurasen en sus respectivos terr...

20 Schmeing, T.M. et al. (2005) An induced-fit mechanism to promote peptide bond formation and exclude hydrolysis of peptidyl-tRNA. Nature 438, 520–524 21 Weixlbaumer, A. et al. (2008) Insights into translational termination from the structure of RF2 bound to the ribosome. Science 322, 953–956 22 Laurberg, M. et al. (2008) Structural basis for translation termination on the 70S ribosome. Nature...

It is known that ammonium azides are both effective and convenient azidation agents, which are widely used in the syntheses of tetrazoles in media of aprotic dipolar solvents. However, until the present time, information about using these reagents for the synthesis of the 1,2,3-triazoles has been absent. In this case, alkali metal azides as well as trimethylsilyzide are the best known azidation...

23 Perelson, A. S. (1989) Immunol. Rev. 110,5-36 24 Stewart, J. and Varela, F. J. (1989) Immunol. Rev. 110, 37-6 1 25 Jerne, N. K. (1974) Ann. Immunol. (Inst. Pasteur) 125C, 373-389 26 Mohazzab, K. M., Kaminski, P. M. and Wolin, M. S. ( 1 994) Am. J. Physiol. 226, H2568-HZ572 27 Ross, W. B., Leaver, H. A., Yap, P. L., Raab, G. M., Su, 9. H.. Carter, D. C., Mao, J. H., Quan, W. and Prescott, R. ...