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31.
Rodica Chiriac Jean Carré Yves Perrodin Hervé Vaillant Santiago Gasso Philippe Miele 《Atmospheric environment (Oxford, England : 1994)》2009,43(11):1926-1931
The dispersion of VOCs emitted by a municipal solid waste landfill was studied for a period of over one year. Sixteen VOCs were monitored: linear alkanes from C7 to C11, BTEX, trimethylbenzene, trichlorethylene, tetrachlorethylene, α and β-pinenes, limonene. The analytical procedure was first comprised of static long-term sampling of about 2 months using radial diffusion Radiello tubes containing activated carbon, followed by extraction by solvent (i.e. CS2) and GC/MS analysis. The results were initially analysed on the basis of the total concentration of the quantified VOCs, then by examining the concentrations of certain selected compounds. The influence of different parameters such as operating conditions, meteorological conditions and site morphology was highlighted on the basis of total VOC concentrations. In order to study the VOC's dispersion more closely, 5 compounds were chosen: toluene, benzene, limonene, and the sum trichlorethylene + tetrachlorethylene, as a “marker”, to verify the origin of the VOCs emitted. The results showed that the main source of VOCs is the open cell and lead to different hypotheses on interferences from neighbouring sources and to the proposal of solutions to limit the emission of VOCs and their dispersion. To our knowledge, this type of study has not been accomplished until this day. 相似文献
32.
Francis Douay Aurélie Pelfrêne Julie Planque Hervé Fourrier Antoine Richard Hélène Roussel Bertrand Girondelot 《Environmental monitoring and assessment》2013,185(5):3665-3680
Soil contamination by metals engenders important environmental and health problems in northern France where a smelter (Metaleurop Nord) was in activity for more than a century. This study aims to look at the long-term effects of the smelter after its closedown by combining data on the degree of soil contamination and the quality of the crops grown (agricultural crops and homegrown vegetables) in these soils for a better assessment of the local population’s exposure to Cd, Pb, and Zn. Seven years after the Metaleurop Nord closedown, (1) the agricultural and urban topsoils were strongly contaminated by Cd, Pb, and Zn; (2) the kitchen garden topsoils were even more polluted than the agricultural soils, with great variability in metal concentrations within the gardens studied; (3) a high proportion of the agricultural crops for foodstuffs did not conform with the European legislation; (4) for feedstuffs, most samples did not exceed the Cd and Pb legislation limits, indicating that feedstuffs may be an opportunity for most agricultural produce; and (5) a high proportion of the vegetables produced in the kitchen gardens did not conform with the European foodstuff legislation. The high contamination level of the soils studied continues to be a risk for the environment and the population’s health. A further investigation (part 2) assesses the associated potential health risk for local inhabitants through consumption of homegrown vegetables and ingestion of soil particles by estimating the site-specific human health assessment criteria for Cd and Pb. 相似文献
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This paper discusses the case of a pregnant woman with polychemotherapy during the second trimester of pregnancy for rhabdomyosarcoma of the face and cessation of fetal growth with disappearance of amniotic fluid after the first course of therapy. 相似文献
35.
Neethling Etienne Petitjean Théo Quénol Hervé Barbeau Gérard 《Mitigation and Adaptation Strategies for Global Change》2020,25(4):737-738
Mitigation and Adaptation Strategies for Global Change - Section 3.4.2: Reference “Nicholas and Durham 2012” should have been cited in the last sentence. That is “Using a list of... 相似文献
36.
It is now acknowledged that bacteria from gut microbiota deeply interact with their host by altering many physiological traits. Such interplay is likely to consequently affect stress tolerance. Here, we compared cold and heat tolerance of Drosophila melanogaster flies with undisrupted (control (Co)) versus disrupted gut microbiota (dechorionated eggs (De)). The disrupting treatment strongly reduced bacterial load in flies’ guts, though 16S sequencing analysis did not evidence strong diversity changes in the remaining bacterial community. Both chill coma recovery and acute cold survival were repeatedly lower in De than in Co flies under our experimental conditions. However, heat tolerance was not consistently affected by gut disruption. Our results suggest that microbiota-related effects on the host can alter ecologically relevant traits such as thermal tolerance. 相似文献
37.
Alejandro Jim��nez Fern��ndez de Palencia Agust�� P��rez-Foguet 《Sustainability Science》2011,6(1):37-49
This paper examines the challenge of achieving a balance between the implementation of centrally designed pro-poor policies
and the decentralization of responsibilities to local governments in many African countries. It analyzes the implementation
of the Rural Water Supply and Sanitation Program in Tanzania. Key mechanisms for planning and allocating resources are analyzed
at ministry, district, and village levels. Results show that a mixture of policy incoherencies, technical shortcomings and
political influence determine that only a small proportion of funds reaches the underserved areas. We argue that a greater
connection between the bottom-up and top-down planning mechanisms, and a sharp increase of downwards accountability are needed
before decentralized decision-making result in better resources allocation. Meanwhile a bigger intervention from central government
is needed. 相似文献
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Mathilde Lefebvre Fabienne Dufernez Ange-Line Bruel Marie Gonzales Bernard Aral Judith Saint-Onge Nadège Gigot Julie Desir Caroline Daelemans Frédérique Jossic Sébastien Schmitt Raphaele Mangione Fanny Pelluard Catherine Vincent-Delorme Jean-Marc Labaune Nicole Bigi Dominique D'Olne Anne-Lise Delezoide Annick Toutain Sophie Blesson Valérie Cormier-Daire Julien Thevenon Salima El Chehadeh Alice Masurel-Paulet Nicole Joyé Claude Vibert-Guigue Luc Rigonnot Thierry Rousseau Pierre Vabres Philippe Hervé Antonin Lamazière Jean-Baptiste Rivière Laurence Faivre Nicole Laurent Christel Thauvin-Robinet 《黑龙江环境通报》2015,35(7):675-684