Zobrazeno 1 - 10 of 163 pro vyhledávání: '"Pierre, Adam"'
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Akademický článek
Characterization and analysis of a Commiphora species germinated from an ancient seed suggests a possible connection to a species mentioned in the Bible
Autor: Sarah Sallon, Elaine Solowey, Morgan R. Gostel, Markus Egli, Gavin R. Flematti, Björn Bohman, Philippe Schaeffer, Pierre Adam, Andrea Weeks
Publikováno v: Communications Biology, Vol 7, Iss 1, Pp 1-13 (2024)
Abstract A seed recovered during archaeological excavations of a cave in the Judean desert was germinated, with radiocarbon analysis indicating an age of 993 CE– 1202 calCE. DNA sequencing and phylogenetic analysis identified the seedling as belong
Externí odkaz: https://doaj.org/article/2db01525ed27469b8d42862770216444
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Sulfurized diterpenoids in amber as diagenetic indicators of sulfate-reducing processes in past depositional environments
Autor: Lauriane Lenen, Alice Fradet, Philippe Schaeffer, Bernard Gomez, Pierre Adam
Publikováno v: Organic & Biomolecular Chemistry. 21:768-774
Two novel compounds isolated from an amber sample from the Santonian of Piolenc (Vaucluse, SE France) were identified using nuclear magnetic resonance and high-resolution mass spectrometry as sulfurized analogues of diterpenic acids from the isopimar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79c053c405c1ec361ed784eec61673a9
https://doi.org/10.1039/d2ob02017c
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Dithiocarbamate transfer reaction from methylene-bis(dithiocarbamates) to molybdenum dithiocarbamates in engine lubricants investigated using laboratory experiments
Autor: Yu Min Kiw, Philippe Schaeffer, Pierre Adam, Benoît Thiébaut, Chantal Boyer
Publikováno v: New Journal of Chemistry. 46:22341-22352
The presence of zinc complexes or of oxidative conditions induces dithiocarbamate transfer from methylene-bis(dithiocarbamates) to molybdenum dithiocarbamates via zinc dithiocarbamate species.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c41c671d373ecb05f4e4766096b8c94
https://doi.org/10.1039/d2nj04123e
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Molecular evidence for improved tribological performances of MoDTC induced by methylene-bis(dithiocarbamates) in engine lubricants
Autor: Yu Min Kiw, Pierre Adam, Philippe Schaeffer, Benoît Thiébaut, Chantal Boyer, Nicolas Obrecht
Publikováno v: RSC Advances. 12:23083-23090
A newly-discovered ligand transfer from methylene-bis(dithiocarbamates) to molybdenum dithiocarbamates (MoDTC) leads to MoDTC regeneration and results in enhanced fuel economy upon engine functioning.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fba1e343d4c59e3265646993fb1eca82
https://doi.org/10.1039/d2ra03036e
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Le site de l’âge du Bronze moyen de Berstett Langenberg (Bas-Rhin), approches croisées
Autor: Matthieu, Michler, Ginette, Auxiette, Florent, Jodry, Tarifa-Mateo, Nadia, Pierre, Adam, Philippe, Schaeffer, Clément, Féliu, Cécile, Véber
Publikováno v: Gallia Préhistoire.
Résumé. Fouillé en 2018 dans le cadre du contournement ouest de Strasbourg, le gisement de Berstett Langenberg (site n° 5.6 du projet) a livré sur près de deux hectares plusieurs occupations successives du Néolithique récent à La Tène final
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15d4a7a83d3262e8d9720f36f18f0ed5
https://doi.org/10.4000/galliap.3554
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Les géosciences au service de l’archéologie agraire. Une étude de cas sur les rideaux de culture de Goldbach (68)
Autor: Claire Stevenel, Maxime Thiss, Anne Gebhardt, Pierre Adam, Daniele Dapiaggi, Philippe Schaeffer, Damien Ertlen, Pierre-Alexis Herrault, Benjamin Keller, Dominique Schwartz, Vincent Robin, Martine Trautmann
Publikováno v: Archimède : archéologie et histoire ancienne
Archimède : archéologie et histoire ancienne, UMR7044-Archimède, 2020
Archimède : archéologie et histoire ancienne, UMR7044-Archimède, 2020, pp.205-216. ⟨10.47245/archimede.0007.act.08⟩
International audience; Lynchets correspond to talus slopes that are formed unintentionally at the top of hedgerows by the accumulation of colluvial deposits originating from eroded fields. They may represent highly extended parcellar surfaces, chara
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::725a2d5adf2046ac867886d613af0f72
https://doi.org/10.47245/archimede.0007.act.08
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10
Molecular evidence for sulfurization of molybdenum dithiocarbamates (MoDTC) by zinc dithiophosphates: a key process in their synergetic interactions and the enhanced preservation of MoDTC in formulated lubricants?
Autor: Yu Min Kiw, Pierre Adam, Philippe Schaeffer, Benoît Thiébaut, Chantal Boyer
Publikováno v: RSC advances. 12(6)
Molybdenum dithiocarbamates (MoDTC) are widely used in automotive industries as lubricant additives to reduce friction and to enhance fuel economy. Sulfur-containing additives such as zinc dithiophosphates (ZnDTP) are proposed to play a key role in t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b039ae3da4ec8efe93408c19d97f98d
https://pubmed.ncbi.nlm.nih.gov/35425382
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