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131.
Charbel Afif Corinne Jambert Vincent Michou Aurélie Colom Gregory Eyglunent Agnès Borbon Véronique Daële Jean-François Doussin Pascal Perros 《环境科学学报(英文版)》2016,28(2):105-113
NitroMAC (French acronym for continuous atmospheric measurements of nitrogenous compounds) is an instrument which has been developed for the semi-continuous measurement of atmospheric nitrous acid (HONO). This instrument relies on wet chemical sampling and detection using high performance liquid chromatography (HPLC)-visible absorption at 540 nm. Sampling proceeds by dissolution of gaseous HONO in a phosphate buffer solution followed by derivatization with sulfanilamide/N-(1-naphthyl)-ethylenediamine. The performance of this instrument was found to be as follows: a detection limit of around 3 ppt with measurement uncertainty of 10% over an analysis time of 10 min. Intercomparison was made between the instrument and a long-path absorption photometer (LOPAP) during two experiments in different environments. First, air was sampled in a smog chamber with concentrations up to 18 ppb of nitrous acid. NitroMAC and LOPAP measurements showed very good agreement. Then, in a second experiment, ambient air with HONO concentrations below 250 ppt was sampled. While NitroMAC showed its capability of measuring HONO in moderate and highly polluted environments, the intercomparison results in ambient air highlighted that corrections must be made for minor interferences when low concentrations are measured. 相似文献
132.
Cheviron Nathalie Grondin Virginie Marrauld Christelle Poiroux Françoise Bertrand Isabelle Abadie Josiane Pandard Pascal Riah-Anglet Wassila Dubois Caroline Malý Stanislav Marques Catarina R. Asenjo Inmaculada Valverde Alonso Alejandro Díaz Domingo Marquina Mougin Christian 《Environmental science and pollution research international》2022,29(20):29348-29357
Environmental Science and Pollution Research - The evaluation of soil quality requires the use of robust methods to assess biologically based indicators. Among them, enzyme activities are used for... 相似文献
133.
Ho Long Jerves-Cobo Ruben Barthel Matti Six Johan Bode Samuel Boeckx Pascal Goethals Peter 《Environmental science and pollution research international》2022,29(25):37277-37290
Environmental Science and Pollution Research - Rivers act as a natural source of greenhouse gases (GHGs). However, anthropogenic activities can largely alter the chemical composition and microbial... 相似文献
134.
Brownfields are abandoned, idled, or underused sites whose reuse necessitates some sort of intervention. These sites are largely
urban and are frequently contaminated. Brownfield management options can be associated with three types of environmental consequences:
those resulting from changes in the site’s environmental quality (primary impacts); those resulting from the actual intervention
stage (secondary impacts); and, if the vocation of the site changes, those resulting from effects on regional land use (tertiary
impacts). Different stakeholders and decision-making contexts will place a different importance on each of these types of
impacts. This article proposes a framework for comparing brownfield management options in regard to these three types of environmental
impacts and for interpreting these results from different perspectives. The assessment framework is based on consequential
life cycle assessment (LCA), which is shown to provide environmental information on the three types of impacts. The results
for a case study are presented, where a “rehabilitation” option allowing residential redevelopment is compared to an “exposure
minimization” option not resulting in the site being reused. Calculated primary and tertiary impacts are favorable to the
rehabilitation option, whereas secondary impacts are favorable to the exposure minimization option. A ternary diagram presents
the favorable option for different stereotypical perspectives. Tertiary impacts are much greater than secondary impacts, and
consequently all perspectives that consider tertiary impacts favor rehabilitation. The perspective that considers primary
and secondary impacts receives conflicting information. The ternary diagram, showing results for all perspectives, could possibly
be useful for consensus-building among stakeholders. 相似文献