Search results for "Lope"
showing 10 items of 2014 documents
Strongly decelerated expansion of SN 1979C
2002
We observed SN1979C in M100 on 4 June 1999, about twenty years after explosion, with a very sensitive four-antenna VLBI array at the wavelength of 18cm. The distance to M100 and the expansion velocities are such that the supernova cannot be fully resolved by our Earth-wide array. Model-dependent sizes for the source have been determined and compared with previous results. We conclude that the supernova shock was initially in free expansion for 6 +/- 2 yrs and then experienced a very strong deceleration. The onset of deceleration took place a few years before the abrupt trend change in the integrated radio flux density curves. We estimate the shocked swept-up mass to be about 1.6 solar masse…
Interactions of pharmaceutical companies with world countries, cancers and rare diseases from Wikipedia network analysis
2019
AbstractUsing the English Wikipedia network of more than 5 million articles we analyze interactions and interlinks between the 34 largest pharmaceutical companies, 195 world countries, 47 rare renal diseases and 37 types of cancer. The recently developed algorithm using a reduced Google matrix (REGOMAX) allows us to take account both of direct Markov transitions between these articles and also of indirect transitions generated by the pathways between them via the global Wikipedia network. This approach therefore provides a compact description of interactions between these articles that allows us to determine the friendship networks between them, as well as the PageRank sensitivity of countr…
Reciprocal vs nonreciprocal trade agreements: Which have been best to promote exports?
2019
The Doha Development Agenda recognizes the central role that international trade can play in the promotion of economic development. In fact, the increase of exports from developing countries to developed nations' markets has been considered a key element for developing countries to realize the potential benefits of globalization. Over the last decades, developed countries have provided preferential access to their markets to developing countries through nonreciprocal trade agreements. Moreover, developing countries have also participated in reciprocal trade agreements. This paper re-examines comparatively the effect of both kinds of trade agreements on exports from developing countries but …
Características y difusión de las revistas científico-técnicas españolas de ciencias de la actividad física y el deporte
2007
El objetivo de este artículo es presentar la situación actual de las revistas españolas de Ciencias de la Actividad Física y el Deporte (CCAFD). Para ello se actualiza el inventario de publicaciones periódicas vigentes y se analizan varias de sus características editoriales básicas como la antigüedad, periodicidad, lugar de edición, institución editora, tipo de soporte y tipo de formato editorial. También se estudia la circulación de dichas publicaciones en las bases de datos nacionales e internacionales selectivas y la difusión que tienen por internet a través de la accesibilidad, el contenido y los servicios añadidos que ofrecen. Se concluye que las CCAFD es un campo joven y poco consolid…
A Synthetic Model for the [4+2] Cycloaddition in the Biosynthesis of the Brevianamides, Paraherquamides, and Related Compounds
2000
Abstract The reactivity of model systems for the proposed [4+2] cycloaddition in the biosynthesis of the brevianamides, paraherquamides, and marcfortines is explored. The model for the intermolecular reaction reveals that the cycloaddition takes place under mild conditions only if activated, very reactive dienophiles are used. When relatively unreactive dienophiles such as cyclopentene and cyclohexene are used, harsh reaction conditions and/or a Lewis acid catalyst are necessary for the reaction. In contrast, the model for the intramolecular reaction demonstrates that the cycloaddition takes place within a few hours at room temperature, even in the absence of a Lewis acid catalyst. Conclusi…
Avant-Propos
1984
Avant-Propos
1984
CCDC 619596: Experimental Crystal Structure Determination
2006
Related Article: R.Corberan, M.Sanau, E.Peris|2006|Organometallics|25|4002|doi:10.1021/om060343r
CCDC 619594: Experimental Crystal Structure Determination
2006
Related Article: R.Corberan, M.Sanau, E.Peris|2006|Organometallics|25|4002|doi:10.1021/om060343r
Uzņēmumu personāla uzskaites tīmekļa aplikācijas izstrāde lietojot Oracle Application Development Framework rīku
2019
Kvalifikācijas darba “Uzņēmumu personāla uzskaites tīmekļa aplikācijas izstrāde lietojot Oracle Application Development Framework rīku” ietvaros tika izstrādāta tehniskā dokumentācija, kas ietver sekojošo: programmatūras prasību specifikāciju, programmatūras projektējuma aprakstu, kā arī testēšanas dokumentāciju, informāciju par projekta pārvaldību un projekta realizācijas darbietilpības novērtējumu. Uzņēmuma personāla uzskaites sistēma ir tīmekļa aplikācija kas ļauj uzglabāt, mainīt un izvadīt lietotājiem informāciju par uzņēmuma darbiniekiem. Aplikācija tiek izstrādāta lietojot Oracle Application Development Framework programmatūras izstrādes rīku, kas nodrošina programmatūras ērtāku izst…