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Search Results: 1 - 10 of 13618 matches for " RODRIGO; LARA "
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Articulación de las relaciones entre la nación y las entidades territoriales: evolución y crisis del departamento como marco natural de esconcentración. Perspectiva comparada
Rodrigo Lara Restrepo
Revista Opera , 2003,
Abstract:
FENOLOGíA FLORAL Y VISITANTES FLORALES EN Drimys granadensis L.f. (WINTERACEAE)
MARQUINEZ,XAVIER; SARMIENTO,RODRIGO; LARA,KATHERINE;
Acta Biológica Colombiana , 2009,
Abstract: the purpose of this research was to characterize the flowering phenological phases and to determine the flower visitors in a natural population of drimys granadensis (common name: canelo; winteraceae) in altos de yerbabuena, eastern mountains of sabana de bogotá ( colombia ). floral phenology development lasted 9.5 days when flowering occurred under sunny conditions, 12.5 days under rainy conditions and 16 days when flower visitors were excluded using cloth bags. it was done observations related with the resources used, the phenological phases of visited flowers and the pollen load on the flower visitors. visitors corresponded with 29 morphospecies, 6 orders y 21 families of insects. four species of coleoptera and two species of diptera were considered as possible pollinators taking in account abundance and pollen load. the results are analyzed in relation with those reported for other species in the genus drimys and in the family winteraceae.
Regenera??o de cianetos pelo processo ARV associado ao emprego de resinas poliméricas de troca i?nica
Silva, Adriana Lara da;Costa, Rodrigo Alves;Martins, Afonso Henriques;
Rem: Revista Escola de Minas , 2002, DOI: 10.1590/S0370-44672002000200008
Abstract: this work presents the bench scale experimental results for the cyanide regeneration from pure alkaline aqueous solutions of gold, cooper and iron cyanocomplexes using the avr process associated to the ion exchange polymeric resins imac hp555sò ((room&haas-usa) and amberlite ira-420ò (room&haas brasil ltda.). the resin imac hp555sò adsorved 64.5% cn, 87.4% au, 64.9% cu and 60.5% fe from the alkaline solution containing metal cyanocomplexes. meanwhile, the elution stage with h2so4 and thiourea reached 31.2% cn, 86.2% au, 86.4% cu e 41.5% fe. the resin ira-420ò adsorbed 53.4% cn, 86.3% au, 83.8% cu and 86.0% fe under the same experimental conditions adopted for the resin imac hp555sò. the resin amberlite ira-420ò eluted 48% cn, 96.8% au, 9.1% cu and 76% fe.
Uma análise da hipótese da convergência para os municípios brasileiros
Coelho, Rodrigo Lara Pinto;Figueiredo, Lízia de;
Revista Brasileira de Economia , 2007, DOI: 10.1590/S0034-71402007000300003
Abstract: this paper attempts to ascertain which of the convergence hypotheses - absolute, conditional or club - best describes the dynamics of the brazilian municipalities income over the period 1970-2000. the results based on the regression tree method and on robustness tests demonstrate the importance of initial conditions on the determination of municipalities income growth rate, which suggests the dominance of the club convergence hypothesis over the other two.
PRODUCCIóN DE ABONOS ORGáNICOS CON LA UTILIZACIóN DE ELODEA (Egeria densa) PRESENTE EN LA LAGUNA DE FúQUENE
Caro Lara,Iveth; Romero Otálora,Zulma; Lora Silva,Rodrigo;
Revista U.D.C.A Actualidad & Divulgación Científica , 2009,
Abstract: elodea (egeria densa), a problem in lakes and lagoons of colombia, could be a raw material to produce cheap and good quality organic fertilizers. to evaluate the elodea for organic compost production, fertilizers were elaborated with six formulations: 1) elodea 50% dolomitic lime 20% yeast 5% melasse 5% hene manure 20%. 2) elodea 60% dolomitic lime 10% yeast 3% melasse 8% hene manure 19%. 3) elodea 70% dolomitic lime 15% yeast 2% melasse 3% hene manure 10%. 4) formulation 1 + earthworm fertilizer. 5) formulation 2 + earthworm fertilizer. formulation y 6) formulation 3 + earthworm fertilizer. for each fertilizer the total content of n, p2o5, k2o, mgo, cao, total oxidised carbon, coliforms and c:n were analyzed. under greenhouse conditions the effect of the fertilizers were evaluated in an andisol and with lettuce as indicator. during production of the fertilizer temperature and ph were observed. the results showed significant effect of the elements among organic fertilizer. the composition of these fertilizers was according to the requisites for colombian organic fertilizers. the greenhouse experiment showed significant effect of sources and levels on yield and n-p-k content of the lettuce. in general, the formulation three was the best. the ph of the fertilizers varied from 7.0 to7.3, considered adequate. the feasibility to produce good quality organic fertilizers from elodea was demonstrated.
Ara?as asociadas a la floración de Drimys granadensis (Winteraceae)
MARQUíNEZ,XAVIER; JULIANA,CEPEDA; LARA,KATHERINE; SARMIENTO,RODRIGO;
Revista Colombiana de Entomología , 2010,
Abstract: drimys granadensis (winteraceae) is a common tree in the high-andean forests, with a system of open pollinatión by insects. in this work we identified the spiders associated with d. granadensis in relatión to the floral phenological phases and the visiting insects. we found a total of 53 mature spiders from seven families (araneidae, thetragnathidae, theridiidae, linyphiidae, thomisidae, salticidae and aniphaenidae) and 12 morphospecies. the spiders had a preference for flowers in the female and hermaphrodite phases where the dipterans were more abundant. we found a species of thwaitesia (theridiidae) foraging exudates of the stigmata. this species has an abdomen with coloratión similar to the anthers and a transparent body that helps them be imperceptible in the flowers. the camouflage is also used to hunt by a species of misumena (thomisidae), which is similar in color and form to a d. granadensis flower bud.
FENOLOGíA FLORAL Y VISITANTES FLORALES EN Drimys granadensis (WINTERACEAE)
Marquínez-Casas Xavier,Sarmiento Rodrigo,Lara Katherine
Acta Biológica Colombiana , 2009,
Abstract: El propósito de este trabajo fue caracterizar las fases fenológicas florales y determinar los visitantes florales en una población natural de Drimys granadensis (Winteraceae) ubicada en Altos de Yerbabuena (2850 m), cerros orientales de la Sabana de Bogotá, (Colombia). El desarrollo fenológico floral duró 9.5 días cuando la floración ocurrió en época soleada, 12.5 días en época lluviosa y 16 días cuando se excluyeron a los visitantes florales mediante embolsado. Se realizaron observaciones del recurso utilizado, fase fenólogica de la flor visitada y cargas polínicas en los visitante florales, los cuales correspondieron a 6 órdenes, 21 familias y 29 morfoespecies de insectos. Cuatro especies de coleópteros y dos de dípteros fueron considerados posibles polinizadores por su abundancia y carga de polen. Los resultados obtenidos se discuten en relación con aquellos reportados en otras especies del género Drimys y de la familia Winteraceae.
Diagnóstico y manejo de la artroplastía de cadera infectada
JOAQUIN LARA G.,LUIS IRRIBARRA T.,RODRIGO MARDONES P.
Revista chilena de infectología , 2000,
Abstract:
Ara as asociadas a la floración de Drimys granadensis (Winteraceae) Spiders associated with the flowering of Drimys granadensis (Winteraceae)
XAVIER MARQUíNEZ,CEPEDA JULIANA,KATHERINE LARA,RODRIGO SARMIENTO
Revista Colombiana de Entomología , 2010,
Abstract: Drimys granadensis (Winteraceae) es un árbol frecuente en los bosques altoandinos, con un sistema de polinización entomófilo abierto. En este trabajo se identificaron las ara as asociadas a D. granadensis en relación con las fases fenológicas florales y con los insectos visitantes. Encontramos un total de 53 adultos de ara as de siete familias (Araneidae, Thetragnathidae, Theridiidae, Linyphiidae, Thomisidae, Salticidae y Aniphaenidae) y 12 morfoespecies. Las ara as tuvieron preferencia por flores en fase femenina y hermafrodita donde los dípteros fueron más abundantes. Se encontró una especie de Thwaitesia (Theridiidae) forrajeando exudados de los estigmas. Esta especie presenta abdomen con coloración similar a las anteras y un cuerpo transparente que le ayuda a pasar desapercibida dentro de las flores. El camuflaje es también usado para cazar por una especie de Misumena (Thomisidae) que se asemeja en color y forma a un botón floral de D. granadensis. Drimys granadensis (Winteraceae) is a common tree in the high-Andean forests, with a system of open pollinatión by insects. In this work we identified the spiders associated with D. granadensis in relatión to the floral phenological phases and the visiting insects. We found a total of 53 mature spiders from seven families (Araneidae, Thetragnathidae, Theridiidae, Linyphiidae, Thomisidae, Salticidae and Aniphaenidae) and 12 morphospecies. The spiders had a preference for flowers in the female and hermaphrodite phases where the dipterans were more abundant. We found a species of Thwaitesia (Theridiidae) foraging exudates of the stigmata. This species has an abdomen with coloratión similar to the anthers and a transparent body that helps them be imperceptible in the flowers. The camouflage is also used to hunt by a species of Misumena (Thomisidae), which is similar in color and form to a D. granadensis flower bud.
Regenera o de cianetos pelo processo ARV associado ao emprego de resinas poliméricas de troca i nica
Silva Adriana Lara da,Costa Rodrigo Alves,Martins Afonso Henriques
Rem: Revista Escola de Minas , 2002,
Abstract: Esse trabalho apresenta os resultados da regenera o de cianetos, presentes em solu es aquosas com composi o química similar ao de efluentes típicos da cianeta o do ouro, através do processo AVR (Acidifica o, Volatiliza o, Reneutraliza o) associado ao emprego de resinas poliméricas ani nicas de troca i nica Imac HP555sò (Rohm&Haas Co.-USA) e Amberlite IRA-420ò (Room&Haas Química Ltda.-Brasil). A resina Imac HP555sò adsorveu 64,5% CN, 87,4% Au, 64,9% Cu e 60,5% Fe presentes em uma solu o alcalina mista de cianocomplexos metálicos. Na etapa de elui o com H2SO4 e tiouréia foram alcan ados 31,2% CN, 86,2% Au, 86,4% Cu e 41,5% Fe. A resina IRA-420ò, nas mesmas condi es experimentais do estudo da resina Imac HP555sò, adsorveu 53,4% CN, 86,3% Au, 83,8% Cu e 86,0% Fe. Em termos de elui o, a resina Amberlite IRA-420ò obteve 48% CN, 96,8% Au, 9,1% Cu e 76% Fe.
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