Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Robert Rosset"'
Publikováno v:
Cahiers de l'Association Scientifique Européenne pour l'Eau et la Santé. 7:31-38
Les perimetres irrigues du Cap Bon sont alimentes principalement par les eaux du Canal Madjerda Cap Bon, les eaux de barrages et les eaux souterraines. Plusieurs techniques ont ete testees par les agriculteurs dont la micro-irrigation se trouve la pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e08706c4089842f4a35978411e4073e
https://doi.org/10.1051/asees/20020701031
https://doi.org/10.1051/asees/20020701031
Publikováno v:
Comptes Rendus de l'Académie des Sciences - Series IIC - Chemistry. 1:751-759
Resume L'impedancemetrie permet de caracteriser la compacite des depots de carbonate de calcium formes electrochimiquement par entartrage accelere en mettant en œuvre la chronoamperometrie. La capacite de double couche apparait comme etant le parame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f480ead7594d299152b57304d27f9ce
https://doi.org/10.1016/s1251-8069(99)80041-3
https://doi.org/10.1016/s1251-8069(99)80041-3
Publikováno v:
Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Chemistry-Astronomy. 325:727-732
Resume Les techniques d'irrigation localisee sont compromises par le colmatage des distributeurs, en raison de la precipitation du carbonate de calcium. La chronoelectrogravimetrie permet d'evaluer le risque de colmatage et de classer les eaux en fon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50f8e6e57cd0b0b09b7d13f525648eb2
https://doi.org/10.1016/s1251-8069(97)82338-x
https://doi.org/10.1016/s1251-8069(97)82338-x
Publikováno v:
Analytica Chimica Acta. 339:109-113
A macroporous cation exchanger is used for the efficient separation of ashless dispersants (polybutenylsuccinimide type) from base oil and additives (viscosity improver (VI), detergent, inhibitors, etc.) of multigrade lubricating oils. Due to the bas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8a4d1d0ac324307bc272033648f14d6
https://doi.org/10.1016/s0003-2670(96)00521-1
https://doi.org/10.1016/s0003-2670(96)00521-1
Publikováno v:
Journal of Geophysical Research: Atmospheres. 101:25979-25993
Aircraft measurements of ozone, methane, carbon monoxide, relative humidity, and equivalent potential temperature were performed during the TROPOZ II campaign. During the aircraft descent down to Pointe-a-Pitre (16.3°N, 61.5°W), at 2100 UTC on Janu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::837391993ae2dad177bc0ebeed42ed31
https://doi.org/10.1029/96jd01545
https://doi.org/10.1029/96jd01545
Publikováno v:
Analytica Chimica Acta. 322:31-41
Characterization of the molecular weight distribution (MWD) of the starting polybutene (PBU) used in the synthesis of dispersants of the polybutenylsuccinimide type used in lubricants can be achieved through size exclusion chromatography after a prel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3bdeb1e871c1c3e9cbfbae585e7f021
https://doi.org/10.1016/0003-2670(95)00570-6
https://doi.org/10.1016/0003-2670(95)00570-6
Autor:
Robert Rosset, Fangmin Hui
Publikováno v:
Analytica Chimica Acta. 314:161-167
A method is described for efficient separation of ashless dispersants (polybutenylsuccinimide type) from base oil and other additives (viscosity improver, detergent, inhibitors, etc.) of monograde and multigrade lubricating oils. Due to the complexit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78798f7ddf45e2aea86a51a4e8dbf5e2
https://doi.org/10.1016/0003-2670(95)00267-4
https://doi.org/10.1016/0003-2670(95)00267-4
Publikováno v:
Analytica Chimica Acta. 306:73-79
The determination of base oil composition and content in engine motor oils and in the fractions enriched in the polybutenylsuccinimide type dispersant which can be isolated from the lubricants are achieved through liquid chromatography. Strongly acti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf3328343367a886d32e039471d3ff80
https://doi.org/10.1016/0003-2670(94)00663-7
https://doi.org/10.1016/0003-2670(94)00663-7
Publikováno v:
Analytical Chemistry. 66:168-176
Countercurrent chromatography (CCC) is a separation method based on the partition of solutes between two liquid phases, as they interact in a thin tube under centrifugal forces. Many different versions of CCC instruments have been developed over the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f3c0ca58d8b05fed9817d07f368d3cd
https://doi.org/10.1021/ac00073a028
https://doi.org/10.1021/ac00073a028
Publikováno v:
Journal of Chromatography A. 659:3-13
A new counter-current chromatograph, named the cross-axis coil planet centrifuge, has been optimized through various versions since 1987. Features of this recently commercialized apparatus are reviewed. It allows the use of biphasic polar solvent sys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40ba9bcfde908e160c02c51256113adc
https://doi.org/10.1016/0021-9673(94)85002-x
https://doi.org/10.1016/0021-9673(94)85002-x