15,533 research outputs found
The metro and the city: interaction with the urban landscape in the new underground stations in Valencia 1995-2010
No full textThe first stations of the Valencia subway lines were accessible by conventional
metro entrances, stairs leading to an underground corridor or hallway, invisible
from the street and from where you came, directly or through other corridors, to
the platforms. In the new metro lines from the network of FGV Ferrocarriles de
la Generalitat Valenciana (Railways of the Regional Government of Valencia)
built between 1995 and 2010 the architectural design of the stations is addressed
in a different way from design strategies that seek greater interaction with the
public space and the urban environment. To expose these strategies of interaction
with the urban environment, the paper uses as case studies several stations
designed by the author, belonging to lines 3 and 5 of the Valencia Metro
network.Pérez Igualada, J. (2015). The metro and the city: interaction with the urban landscape in the new underground stations in Valencia 1995-2010. WIT Transactions on the Built Environment. 146:363-374. doi:10.2495/UT150291S36337414
The origin of massive O-type field stars: II. Field O stars as runaways
No full textIn two papers we try to confirm that all Galactic high-mass stars are formed in a cluster environment, by excluding that O-type stars found in the Galactic field actually formed there. In de Wit et al. (2004) we presented deep K-band imaging of 5 arcmin fields centred on 43 massive O-type field stars that revealed that the large majority of these objects are single objects. In this contribution we explore the possibility that the field O stars are dynamically ejected from young clusters, by investigating their peculiar space velocity distribution, their distance from the Galactic plane, and their spatial vicinity to known young stellar clusters. We (re-)identify 22 field O-type stars as candidate runaway OB-stars. The statistics show that 4 ± 2% of all O-type stars with V<8m can be considered as formed outside a cluster environment. Most are spectroscopically single objects, some are visual binaries. The derived percentage for O-type stars that form isolated in the field based on our statistical analyses is in agreement with what is expected from calculations adopting a universal cluster richness distribution with power index of β= 1.7, assuming that the cluster richness distribution is continuous down to the smallest clusters containing one single star
Revising the basis for planning a new kind of progress: the case of Valencia's city
No full text[EN] The paper analyses the contradictions in the regional planning process for revising the basis and criteria for future intervention and management in metropolitan areas such as Valencia with a new type of progress objective. Valencia, the Mediterranean coastal city, is the third largest city in Spain after Madrid and Barcelona. In the metropolitan area of Valencia about 1.3 million people live. ¿L¿Horta de València¿ is located in the suburban environment of the Valencian metropolitan area; it has agricultural land with high productivity. These agricultural lands include about 10,000 ha of historical fertile land and another 10,000 ha of fertile land irrigated more recent (about XIXs). In this metropolitan area, there are serious conflicts between different land usages mainly urban sprawl such as expansion of building and infrastructures, replacing fertile agricultural land use. In addition, there is strong competition between different urban uses, e.g. port, beach and tourist zones, high speed rail, industrial estates and new buildings zones. In addition, contradictions between sustainability and development are very intense, especially when the development is only an expectation. In 2000, civil society promoted the legislative initiative, ¿L¿Horta de València¿ Protection Act, while economic development in the period 1997¿2007 was based on speculative urban expansion. The main goal of this initiative is to ensure sustainable development while conserving natural resources needed for future generations. This initiative was refused based on two stated main arguments: i) protection would hinder the economic development and ii) elaborate a protection plan with other approaches. At the end of 2010 works of government about regional planning for ¿Horta de València¿ protection were finished. However, the plan is not approved yet. From the 2007 crisis, speculative urban expansion resulted in the impoverishment of many people; while, large areas of fertile agricultural land have disappeared.Miralles García, JL. (2017). Revising the basis for planning a new kind of progress: the case of Valencia's city. WIT Transactions on the Built Environment (Online). 148:3-14. doi:10.2495/CC150011S31414
L-mimosina (leucaena leucocephala (lambert) de wit, fabaceae), um inibidor de desenvolvimento
No full textO impacto negativo do setor agrícola moderno na saúde humana estimulou a busca por novas maneiras e métodos, ditos alternativos, de manejo dos agentes danosos aos vegetais, entre eles os fungos. Entre os diversos compostos oriundos do metabolismo secundário de plantas, úteis a este fim, encontra-se a L-mimosina, produzida por Leucaena leucocephala (Lam.) de Wit, utilizada nesse trabalho a fim de controlar tombamento. Este trabalho foi conduzido utilizando-se sementes de tomateiro, variedade Santa Cruz Kada, contaminadas com Pythium sp. Os tratamentos consistiram de concentrações de extrato com 3,1838; 6,3676; 9,5514 e 12,7352 MG de L-mimosina por grama de sementes em teste e o tratamento controle com água, cada um deles contando com quatro repetições de 25 sementes semeadas em vermiculita. Foram avaliadas a porcentagem de emergência, os tempos inicial, médio e final de emergência, coeficiente de variação do tempo, velocidade média e a sincronia da emergência, assim como a porcentagem de tombamento. A L-mimosina foi capaz de reduzir a incidência de tombamento de 81,8% para 26,6% das plântulas, bem como permitiu menor dispersão da emergência no tempo, por prejudicar sua colonização por Pythium sp
Desigualdades socioeconômicas na prevalência, consumo, início e cessação do tabagismo no Brasil: inquérito domiciliar nacional 2008
No full textDissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Saúde Coletiva, Florianópolis, 2013.OBJETIVOS: Testar a associação da prevalência de tabagismo atual, consumo de cigarros, iniciação ao tabagismo, idade de início do uso e cessação do tabagismo no Brasil com as condições socioeconômicas da população. MÉTODOS: Trata-se de um inquérito nacional realizado em 2008 com 39.425 homens e mulheres. A amostragem foi por conglomerados em quatro estágios. Estimaram-se a prevalência, as taxas de iniciação e a cessação do tabagismo, número de cigarros industrializados e idade de início ajustados por sexo segundo as variáveis exploratórias. Foram calculadas as razões de prevalência (IC 95%) segundo cor da pele, renda domiciliar per capita, escolaridade e local de residência por meio da Regressão de Poisson, ajustando-se as medidas por faixa etária. RESULTADOS: Os resultados sugerem desigualdades socioeconômicas na prevalência, iniciação, idade de início e cessação do tabagismo em homens e mulheres. A escolaridade foi o indicador de desigualdade socioeconômica com maior magnitude de efeito nas variáveis estudadas, exceto o desfecho cessação do tabagismo nas mulheres, o qual não houve associação estatisticamente significante com escolaridade. A média de consumo de cigarros diários é maior entre os homens e mulheres com indicadores socioeconômicos mais altos. CONCLUSÃO: Concluiu-se que existem desigualdades socioeconômicas no tabagismo e sugerem-se políticas de controle tanto na iniciação e cessação focadas em grupos desfavorecidos economicamente OBJECTIVES: To test the association of the prevalence of current smoking, cigarrete consumption smoking initiation, age of onset and cessation of smoking in Brazil with the socioeconomic conditions of the population. METHODS: This is a national survey conducted in 2008 with 39,425 men and women. The sampling was used in four stages. We estimated the prevalence rates of initiation and cessation of smoking, number of cigarettes manufactured and age of onset sex-adjusted according to the explanatory variables. We calculated prevalence ratios according to skin color, per capita household income, education and place of residence by Poisson regression, adjusting for age measures. RESULTS: The results suggest socioeconomic inequalities in the prevalence, initiation, age of onset and cessation of smoking in men and women. Education level was the indicator of socioeconomic inequality with greater magnitude of effect in the studied variables, except the outcome of smoking cessation in women, there was no statistically significant association with education. The mean of cigarette consumption is higher among men and women with higher socioeconomic indicators. CONCLUSION: We concluded that there are socioeconomic inequalities in smoking and suggest policies to control both the initiation and cessation focused on economically disadvantaged groups
L. M. J. Delaissé, James Morrow, John de Wit. The James A. de Rothschild Collections at Waddesdon Manor. Illuminated Manuscripts
No full textSpencer Eleanor P. L. M. J. Delaissé, James Morrow, John de Wit. The James A. de Rothschild Collections at Waddesdon Manor. Illuminated Manuscripts. In: Scriptorium, Tome 33 n°1, 1979. pp. 95-96
L. M. J. Delaissé, James Morrow, John de Wit. The James A. de Rothschild Collections at Waddesdon Manor. Illuminated Manuscripts
No full textSpencer Eleanor P. L. M. J. Delaissé, James Morrow, John de Wit. The James A. de Rothschild Collections at Waddesdon Manor. Illuminated Manuscripts. In: Scriptorium, Tome 33 n°1, 1979. pp. 95-96
A new phase on the process to maintain the urban agricultural area of "L'Horta de València" (Spain)
No full text[EN] On 12 March 2018, the Valencian official bulletin published the Law of "L'Horta de València". In addition, on 20 December 2018, the same bulletin published approval of the Territorial Action Plan for Planning and Revitalizing "L'Horta de València". Both initiatives establish a framework for maintaining the periurban agricultural area of Valencia and allow actions to promote agricultural activities. In 2019, "L'Horta de València" was declared a Globally Important Agricultural Heritage System (GIAHS) by Food Agriculture Organization (FAO) of the United Nations (UN). The municipality of Valencia became the world capital for sustainable food, to promote the Milan Urban Food Policy Pact. Therefore, two years after protection, it is time to review if the new law and planning have produced positive changes in agricultural activities and landscape, and assess which are the current challenges now. Specifically, it's time to know the current situation, problems, limitations and opportunities. This article provides the results of a SWOT analysis about the current situation of agricultural activities and landscape of "L'Horta de València", carried out by semi-structured interviews with a panel of experts involved in elaboration of these documents or who are intervening in management of this space.Miralles García, JL. (2020). A new phase on the process to maintain the urban agricultural area of "L'Horta de València" (Spain). WIT Transactions on Ecology and the Environment (Online). 243:3-14. https://doi.org/10.2495/UA200011S31424
Characterisation of construction materials: a chemical comparison of historical mortars
No full text[EN] This text outlines the results obtained in a case study about construction materials analysis, concerning a set of watchtowers scattered throughout the territory of Cuenca Province, Spain. The complete understanding of these buildings has been possible thanks to different approaches. Territorial analysis, historic study, surveys and construction definition have been the key-factors of architectural research. But a good result could not be possible without a rigorous chemical study. Samples carried out on mortars from different watchtowers have been compared and analyzed. In this frame, a wide range of microanalysis methods has been applied to the samples (i.e. light microscopy, FTIR spectroscopy, scanning electron microscopy-X-ray, X-ray diffraction, granulometric analysis, insoluble residue) with the purpose of confirming the constructive homogeneity and technology of the buildings, as interesting examples of Spanish Christian Reconquest.This research has been made possible thanks to the Project “Trazabilidad Histórica Y Perspectivas Para Los Materiales Sostenibles Vinculados A La Tradición Constructiva De La Comunidad Valenciana” Ayudas GV 2014/014, Conselleriad’Educació, Cultura i Esport, GVA, main researcher V. Cristini.Ruiz Checa, JR.; Cristini ., V.; Valcuende Payá, MO.; Osete Cortina, L. (2015). Characterisation of construction materials: a chemical comparison of historical mortars. WIT Transactions on Engineering Sciences (Online). 90:83-94. https://doi.org/10.2495/MC150081S83949
Combined application of humic substances and PGPR inoculated and co-inoculated in plants of Phaseolus lunatus (L.) and Leucaena leucocephala (Lam.) de Wit.
No full textABSTRACT: The objective of this research was to evaluate the effect of inoculation and co-inoculation of rhizobia and Azospirillum brasilense combined with humic substances (HS) in growth promotion of Phaseolus lunatus (lima bean) and Leucaena leucocephala (leucaena). RESUMEN: El objetivo de esta investigación fue evaluar el efecto de la inoculación y co-inoculación de rizobios y Azospirillum brasilense combinados con sustancias húmicas (SH) en la promoción del crecimiento de Phaseolus lunatus (frijol lima) y Leucaena leucocephala (leucaena).Título em Espanhol: Aplicación conjunta de sustancias húmicas y PGPR inoculadas, y co-inoculadas en plantas de Phaseolus lunatus (L.) y Leucaena leucocephala (Lam.) de Wit
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