Zobrazeno 1 - 10
of 48
pro vyhledávání: '"J.P. Quisefit"'
Publikováno v:
Atmospheric Research. 169:292-300
The aim of the present study is to investigate the seasonal variability of the aerosol concentrations and origins in central Tunisia. Four field campaigns were carried out in 2010/2011 to collect air-suspended particles on the Kerkennah Islands. The
Publikováno v:
Materials Letters. 113:198-201
We present a comparative study of two cobalt ferrite nanoparticles (CFNPs) produced by the polyol method using two different iron ions precursors. Performing simple characterization techniques including X-ray diffraction, X-ray fluorescence spectrosc
Publikováno v:
Physics and Chemistry of the Earth, Parts A/B/C. :35-42
In order to investigate the chemical characteristics of atmospheric aerosols, the sources and variability of atmospheric inputs, aerosols samples were collected during April 2006 and June 2007 in the coastal area of Boumhel, Tunisia. The samples were
Autor:
H. Basti, J.P. Quisefit, L. Ben Tahar, Leila Samia Smiri, Nader Yaacoub, Souad Ammar, Jean-Marc Greneche, Frédéric Herbst
Publikováno v:
Materials Research Bulletin. 47:2590-2598
Highly crystalline stoichiometric Co 1− x Zn x Fe 2 O 4 (0 ≤ x ≤ 1) nanoparticles were successfully synthesized by the polyol process. X-ray diffraction ( XRD ), X-ray fluorescence spectroscopy ( XRF ), transmission electron microscopy ( TEM ),
Autor:
Lalère B, Adrien Caurant, Jean-François Doussin, Stumpf C, S. Vaslin-Reimann, C. Sutour, J.P. Quisefit, T. Mace, Schbath Mc
Publikováno v:
Analytical and Bioanalytical Chemistry. 398:2265-2277
A certified matrix reference material (CRM) for the measurement of benzene in ambient air has been developed at Laboratoire National de Metrologie et d'Es- sais. The production of these CRMs was conducted using a gravimetric method fully traceable to
Publikováno v:
Analytical and Bioanalytical Chemistry. 377:1148-1152
The extensive use of pesticides to protect agricultural crops can result in the transfer of these compounds into the atmosphere and their diffusion towards urban areas. Precise evaluation of the geographic impact of this type of pollution is importan
Publikováno v:
Le Journal de Physique IV. 10:Pr10-265
L'analyse des proprietes physico-chimiques de la surface des particules en suspension dans l'air est devenue une necessite en raison du role joue par cette interface dans la reactivite en phase heterogene avec les autres composes atmospheriques. Tout
Publikováno v:
Analusis. 26:21-26
Autor:
J.P. Quisefit, E. Randrianarivony
Publikováno v:
Le Journal de Physique IV. :Pr5-359
L'analyse en couche mince de filtres atmospheriques par spectrometrie de fluorescence X s'etalonne classiquement par de pseudo-filtres etalons synthetiques a partir de solutions de sels solubles et sechage. La validation de cette methode s'est toujou
Autor:
Guy Robaye, Philippe Blanc, Jean-Paul Toutain, Panaliotis Aloupogiannis, J.P. Quisefit, Pierre Briole
Publikováno v:
GEOCHEMICAL JOURNAL. 29:163-173
Aerosols were sampled at Mount Etna over a five-month period in 1985, enclosing the March-July south upper flank eruption. Collection was performed both at effusive vents by manual sampling during the eruption, and in the summit plume by means of an