Browsing by Title
Now showing items 21-40 of 91499
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(Univ Tarapacá, 2016)En este artículo proponemos una nueva lectura de lo que se ha denominado “La rebelión de Angata”, un hecho que se produce en 1914 y que marcará la relación entre los rapanui y el mundo tire (Chile). El eje de nuestro ...
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(Universidad de Chile, 2007-06)Al cumplirse 100 años del Parque J.D.Gómez Rojas, se argumenta las razones para su restauración en la perspectiva del Bicentenario de la Independencia de Chile
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(Elsevier, 2020)In this study, amorphous carbon buffer layer containing nano-crystalline diamond grains was pre-deposited on single crystal silicon (Si) wafers. (100) oriented diamond films were prepared on the buffer layer by increasing ...
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(Editorial Universitaria S.A., 2006)
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(Universidad de Chile, 2009)El artículo examina cómo experiencias de trauma histórico han sido abordadas desde el cine documental por medio de la construcción del testimonio de un evento que muchas veces no cuenta con testigos ni evidencia directa, ...
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(ROUTLEDGE JOURNALS, 2015)An 11-year-old girl was transferred to the Universidad de Chile Clinical Hospital after 2.5 months of persistent and unresponsive treatment for coughlike spasms. On arrival, the frequency of symptoms was 1 cough every 4s, ...
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(2010)Cortisol availability is modulated by several enzymes: 11β-HSD2, which transforms cortisol (F) to cortisone (E) and 11β-HSD1 which predominantly converts inactive E to active F. Additionally, the A-ring reductases (5α- and ...
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(Indiana University School of Dentistry, 2018)Objective: The objective of this study was to clinically evaluate repaired posterior amalgam and composite restorations over a 12 year period, investigate the influence of repair in the survival of restorations, and compare ...
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(Universidad de Chile, 2013-01-24)Con exposiciones de las nuevas herramientas implementadas por el Sistema de Servicios Información y Bibliotecas (SISIB) de la Vicerrectoría de Asuntos Académicos, destinadas a democratizar el conocimiento, se llevó a ...
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(Universidad de Chile, 2013-01-24)Con exposiciones de las nuevas herramientas implementadas por el Sistema de Servicios Información y Bibliotecas (SISIB) de la Vicerrectoría de Asuntos Académicos, destinadas a democratizar el conocimiento, se llevó a cabo ...
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(2010)In addition to the known diterpenes, desoxyarticulin and dihydrotucumanoic acid, a new neoclerodane diterpene was isolated from Baccharis marginalis. The structures of the compounds were elucidated by spectroscopic evidence.
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(LIPPINCOTT WILLIAMS & WILKINS, 2015)Objective: Features of bipolarity in a major depressive disorder sample were used to define a "bipolar spectrum disorder" population for treatment with a neuroleptic agent, ziprasidone. Methods: Forty-nine acutely ...
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(Springer, 2020)Purpose Although suicide rates of prison populations and incidence factors have been reported for high-income countries, data from low- and middle-income regions are lacking. The purpose of the study was to estimate suicide ...
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(Taylor and Francis, 1998)13C CP-MAS NMR spectra of thiourea host-guest inclusion compounds containing amines, 1-azabicyclo[2.2.2]octane, 1,4-diazabicyclo[2.2.2]octane, 3-azabicyclo[3.2.2]nonane and 1, 3, 5, 7 tetrazadamantane at 25°C are reported. ...
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(1998)The conformational properties of ten ring-methylated N-methyl- and N,N-dimethylanilines have been studied using 13C-NMR chemical shifts and spin-lattice relaxation times in CDCl3, and semi-empirical (AM1) quantum-chemical ...
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(Socieda Chilena de Quìmica, 1997-08-01)The conformational properties of ten ring-methylated N-methyl- and N,Ndimethylanilines have been studied using 13C-NMR chemical shifts and spin-Iattice relaxation times in CDCI3, and semi-empírical (AM1) quantum-chemical ...
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(American Chemical Society, 1988-09-22)The 13C-nmr chemical shifts of onychine (l-methyl4-aza8uoren-9-one) [l] were assigned with the aid ofheternnuclear 2D-nmr spectraand these results were used to interpret the 13C nmr spectra of several other synthetic duorenones.
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(Marcel Dekker Inc., 1997)Para-benzylideneacetones present a characteristic long distance charge transfer pattern, where the olefinic bridge (CH=CH) and the aromatic ring (Ph) carbon centers are perturbed according to the nature of the para-substituent ...
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(Marcel Dekker Inc., 2000)By means of 13C-NMR spectroscopy and AM1 molecular orbital calculations of mono-, bi- and tri-methoxy-β-nitrostyrenes at the meta and para positions, we have characterized a long distance electronic charge transfer pattern ...
