9 resultados para Cycling Tour of Portugal
Resumo:
Through the examination of Camões's Os Lusíadas , Sena's Os Grão-Capitães and Saramago's A Jangada de Pedra , this article explores violence as a means of shaping Portuguese identity in different historical contexts, and how these works portray the continued recourse to violence as Portugal moves from colonizing to postcolonial nation.
Resumo:
A mechanistic study of the H-2-assisted Selective Catalytic Reduction (SCR) of NOx with octane as reductant over a Ag/Al2O3 catalyst was carried out using a modified DRIFTS cell coupled to a mass spectrometer Using fast transient cycling switching of H-2 with a time resolution of a few seconds It was possible to differentiate potential reaction intermediates from other moieties that are clearly spectator species Using such a periodic operation mode effects were uncovered that are normally hidden in conventional transient studies which typically consist of a single transient In experiments based on a single transient addition of H-2 to or removal of H-2 from the SCR feed it was found that the changes in the concentrations of gaseous species (products and reactants) were not matched by changes at comparable timescales of the concentration of surface species observed by IR This observation indicates that the majority of sur face species observed by DRIFTS under steady-state reaction conditions are spectators In contrast under fast cycling experimental conditions It was found that a surface isocyanate species had a temporal response that matched that of N-15(2) This suggests that some of the isocyanate species observed by infrared spectroscopy could be important intermediates in the hydrogen-assisted SCR reaction although it is emphasised that this may be dependent on the way in which the infrared spectra are obtained It is concluded that the use of fast transient cycling switching techniques may provide useful mechanistic information under certain circumstances.
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The efficacy of tyrosine kinase (TK) inhibitors on non-cycling acute myeloid leukaemia (AML) cells, previously shown to have potent tumourigenic potential, is unknown. This pilot study describes the first attempt to characterize non-cycling cells from a small series of human FMS-like tyrosine kinase 3 (FLT3) mutation positive samples. CD34+ AML cells from patients with FLT3 mutation positive AML were cultured on murine stroma. In expansion cultures, non-cycling cells were found to retain CD34+ expression in contrast to dividing cells. Leukaemic gene rearrangements could be detected in non-cycling cells, indicating their leukaemic origin. Significantly, the FLT3-internal tandem duplication (ITD) mutation was found in the non-cycling fraction of four out of five cases. Exposure to the FLT3-directed inhibitor TKI258 clearly inhibited the growth of AML CD34+ cells in short-term cultures and colony-forming unit assays. Crucially, non-cycling cells were not eradicated, with the exception of one case, which exhibited exquisite sensitivity to the compound. Moreover, in longer-term cultures, TKI258-treated non-cycling cells showed no growth impairment compared to treatment-naive non-cycling cells. These findings suggest that non-cycling cells in AML may constitute a disease reservoir that is resistant to TK inhibition. Further studies with a larger sample size and other inhibitors are warranted.
Resumo:
The travel experience filled with personal trauma; the pilgrimage through a war-torn place; the journey with those suffering: these represent the darker sides of travel. What is their allure and how are they represented? This volume takes an ethnographic and interdisciplinary approach to explore the writings and texts of dark journeys and travels. In traveling over the dead, amongst the dying, and alongside the suffering, the authors give us a tour of humanity’s violence and misery. And yet, from this dark side, there comes great beauty and poignancy in the characterization of plight; creativity in the comic, graphic, and graffiti sketches and comments on life; and the sense of profound and spiritual journeys being undertaken, recorded, and memorialized.
Resumo:
Hydrogeochemical relationships and the level of arsenic (As) contamination of groundwater in the Haor Basin, a low-lying, semi-natural, region of remnant wetland environs to the northeast of Bangladesh, were studied to assess the As biogeochemical cycling. Most of the shallow and deep tubewells in the study area are contaminated with As (2-331 mu g/l). The relatively higher proportions of Na+ (8-156 mg/l) in groundwater suggest a mixing of connate marine water with freshwater aquifer. Non-significant association between As and PO43- has been found. Highly significant (P <0.001) relationship of As with DOC in groundwater indicates biodegradation of organic matter, creating an overall reducing environment in the aquifer sediments, which facilitates the release of As in the groundwater. The inverse As-Fe, As-Mn, As-Ca and As-Mg relationships in groundwater could be related to the precipitation of Fe-, Mn-, Ca-and Mg-minerals.
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BACKGROUND: Promoting the use of public transit and active transport (walking and cycling) instead of car driving is an appealing strategy to increase overall physical activity.
PURPOSE: To quantify the combined associations between self-reported home and worksite neighborhood environments, worksite support and policies, and employees' commuting modes.
METHOD: Between 2012 and 2013, participants residing in four Missouri metropolitan areas were interviewed via telephone (n = 1,338) and provided information on socio-demographic characteristics, home and worksite neighborhoods, and worksite support and policies. Commuting mode was self-reported and categorized into car driving, public transit, and active commuting. Commuting distance was calculated using geographic information systems. Commuters providing completed data were included in the analysis. Multivariate logistic regression models were used to examine the correlates of using public transit and active commuting.
RESULT: The majority of participants reported commuting by driving (88.9%); only 4.9% used public transit and 6.2% used active modes. After multivariate adjustment, having transit stops within 10-15 minutes walking distance from home (p=0.05) and using worksite incentive for public transit (p<0.001) were associated with commuting by public transit. Commuting distance (p<0.001) was negatively associated with active commuting. Having free or low cost recreation facilities around the worksite (p=0.04) and using bike facilities to lock bikes at the worksite (p<0.001) were associated with active commuting.
CONCLUSION: Both environment features and worksite supports and policies are associated with the choice of commuting mode. Future studies should use longitudinal designs to investigate the potential of promoting alternative commuting modes through worksite efforts that support sustainable commuting behaviors as well as the potential of built environment improvements.
Resumo:
A single drama for BBC Radio 3 The Wire: Andy has hit a mid-life crisis. His career is a mess, his relationship is falling apart and despite, or perhaps because of this, he seems intent on eating himself into an early grave. The Voice in his head has warned him, clearly, and a nightmarish tour of his inner organs has left him in no doubt that he is headed for, at best, a coronary arrest; at worst, something that he can't bear to think about it.
And yet he persists. Drowning in despair he grasps at crumbs of comfort, ingesting enough food to support a small country and doubling his waist and his weight in just one month, terrifying his wife and his work colleagues and rendering the average doorway inadequate for his desperate attempts at escape.
Resumo:
Making Ireland Modern is a cross-disciplinary, inter-institutional, inter-media design and research project which emerged from an open competition (won by Boyd and McLaughlin) to commission/curate the Irish pavilion for the Venice biennale 2014. It explores the relationship between architecture, infrastructure and technology in the building of a new nation. Constructed as a demountable, open matrix of drawings, photographs, models and other artefacts, the exhibition (12 x 5 x 6 metres) presents ten infrastructural episodes – Negation, Electricity, Health, Transportation, Television, Aviation, Education, Telecommunications, Motorways, Data – spanning a period of one hundred years from 1916-2016. Exploring a range of scales from the detail design of objects to entire landscapes and other territories, Making Ireland Modern describes architecture’s role in transforming the physical and cultural identity of the new state through its intersession in the everyday lives of its population. In 2015, we were commissioned by the Arts Council of Ireland to expand and develop the pavilion for a three cities tour of Ireland as one of the five major strands of the Arts Council’s Art2016 programme of Irish State’s 1916-2016 centennial celebrations (2016).