Results 161 to 170 of about 92,626 (194)
Some of the next articles are maybe not open access.
Études par RMN en série hétérocyclique
Journal de Chimie Physique, 1971L’analyse des systemes a cinq spins du methyl-1 et du methyl-2 indazole dans le cyclohexane, l'acetone-d6 et le dimethylsulfoxyde-d6 a ete effectuee a 60 et a 100 MHz. Les deplacements chimiques et les constantes de couplage ainsi obtenus sont discutes.
José Elguero +3 more
openaire +1 more source
2017
?? ?????????????? ?????????????????? ?????????? ???????????????????? ?????????????????? ???????????????????????????? ??? ?????????????????????????? ???????????????????? RMn???O??? (R = Eu, Gd, Er, Y), ?? ???????? ???????????? ???????????????? ?????????????????????????? ???????????????????????????????????? ?? ????????????????????????????????. ???? ??????
openaire +1 more source
?? ?????????????? ?????????????????? ?????????? ???????????????????? ?????????????????? ???????????????????????????? ??? ?????????????????????????? ???????????????????? RMn???O??? (R = Eu, Gd, Er, Y), ?? ???????? ???????????? ???????????????? ?????????????????????????? ???????????????????????????????????? ?? ????????????????????????????????. ???? ??????
openaire +1 more source
2018
?????????????????? ?? ???????????? ???????????????????? ???????????????? ?????????????? ???????????????????????????????????? ???????????????????? RMn???Ge??? (R - ???????????? ??????????) ???????????????????????? ?????????????? ?????????????? ????-???? ????????????????, ?????????????????? ?? ???????????????????????????????? 3d (??????????????????????) ?
openaire +1 more source
?????????????????? ?? ???????????? ???????????????????? ???????????????? ?????????????? ???????????????????????????????????? ???????????????????? RMn???Ge??? (R - ???????????? ??????????) ???????????????????????? ?????????????? ?????????????? ????-???? ????????????????, ?????????????????? ?? ???????????????????????????????? 3d (??????????????????????) ?
openaire +1 more source
Caractérisation des polymères par RMN
Plastiques et composites, 1996La spectroscopie par resonance magnetique nucleaire (RMN) constitue maintenant un des outils les plus puissants d’elucidation des structures chimiques. Dans le cas des polymeres en solution, elle permet d’acceder facilement a des informations structurales essentielles (microstructure, tacticite, distribution des motifs).
openaire +1 more source
2012
Since the beginning of 1960s, the RMN is the daily partner of the organic chemist. This article presents four original facets showing that the research in this domain is always extremely dynamic. The essential purpose is to supply tools simplifying the analysis of spectra to approach molecules always more complex.
Courtieu, Jacques +5 more
openaire +1 more source
Since the beginning of 1960s, the RMN is the daily partner of the organic chemist. This article presents four original facets showing that the research in this domain is always extremely dynamic. The essential purpose is to supply tools simplifying the analysis of spectra to approach molecules always more complex.
Courtieu, Jacques +5 more
openaire +1 more source
Emicrania, FOP e alterazioni RMN
2003L’emicrania e lo shunt dx/sn da forame ovale pervio (FOP) sono considerati fattori di rischio per lo stroke ischemico giovanile (Lechat, et al., 1988, Webster at al., 1988, Ditullio et al., 1992). Dati recenti suggeriscono che, come per lo stroke giovanile, in una percentuale pari al 40% di emicranici con aura (ECA) è dimostrabile una pervietà del ...
G. Bino +4 more
openaire +1 more source
RMN Biomolecular – Desenvolvimentos Recentes Aplicações Modernas da RMN à Biologia
Boletim da Sociedade Portuguesa de Química, 2010null José J. G. Moura +1 more
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