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  • Organic Chemistry  (2)
  • SOLAR PHYSICS  (1)
  • Biomass
  • CTM2008-04517; CTM2009-06269-E; CTM2010-11955-E/MAR; DATE/TIME; EMSODEV; EMSO implementation and operation: DEVelopment of instrument module; EMSO-Link; ES5110020; Fixed Point Open Ocean Observatories Network; FixO3; Implementation of the Strategy to Ensure the EMSO ERICs Long-term Sustainability; Instalació de sensors en observatorio submari expansible OBSEA; Instalacion de equipos en superfície para la ampliación de las prestaciones del observatorio submarino obsea; Instrumentación y tecnologías aplicadas al estudio, caracterización y explotación sostenible del medio marino; Integración de sensores para monitorización submarina en una red con sincronización temporal; Interoperabilidad e instrumentación de plataformas autónomas marinas para la monitorización sísmica; Interoperabilidad en redes de sensores marinos y ambientales; Interoperabilitat en xarxes de sensors marins i ambientals; INTIMAS; INTMARSIS; JERICO-NEXT; Joint European Research Infrastructure network for Coastal Observatory – Novel European eXpertise for coastal observaTories; MarInTech; MELOA; MeteoMet2; Metrology for essential climate variables; Multi-purpose/Multi-sensor Extra Light Oceanography Apparatua; NeXOS; Next generation, Cost-effective, Compact, Multifunctional Web Enabled Ocean Sensor Systems Empowering Marine, Maritime and Fisheries Management; Nuevas tecnologías para el seguimiento de la acidificación marina en el espacio natural Costa del Garraf; OBSEA:OBSEA:2009-05; Operatividad laboratorio submarino obsea; OPOBSEA; Pressure, atmospheric; PT2009-0080; Redes de sensores submarinos acústicos aplicados al seguimiento de especies de interes comercial; Redes de sensores submarinos autónomos y cableados aplicados a la monitorización remota de indicadores biológicos; RESBAC; RESBIO; SARTI-MAR; SINEOS; Sismòmetre marí digital amb connexió per cable; Sistemas inalambricos para la extension de observatorios submarinos; Sistemes dAdquisició Remota de dades i Tractament de la Informació en el Medi Marí; Temperature, air; VALTEC09-1-0059; Weather Station, 150WX, Airmar; Wind direction; Wind speed
  • General Chemistry
  • Size-at-age
  • 1980-1984  (2)
  • 1850-1859  (1)
Collection
Keywords
  • Organic Chemistry  (2)
  • SOLAR PHYSICS  (1)
  • Biomass
  • CTM2008-04517; CTM2009-06269-E; CTM2010-11955-E/MAR; DATE/TIME; EMSODEV; EMSO implementation and operation: DEVelopment of instrument module; EMSO-Link; ES5110020; Fixed Point Open Ocean Observatories Network; FixO3; Implementation of the Strategy to Ensure the EMSO ERICs Long-term Sustainability; Instalació de sensors en observatorio submari expansible OBSEA; Instalacion de equipos en superfície para la ampliación de las prestaciones del observatorio submarino obsea; Instrumentación y tecnologías aplicadas al estudio, caracterización y explotación sostenible del medio marino; Integración de sensores para monitorización submarina en una red con sincronización temporal; Interoperabilidad e instrumentación de plataformas autónomas marinas para la monitorización sísmica; Interoperabilidad en redes de sensores marinos y ambientales; Interoperabilitat en xarxes de sensors marins i ambientals; INTIMAS; INTMARSIS; JERICO-NEXT; Joint European Research Infrastructure network for Coastal Observatory – Novel European eXpertise for coastal observaTories; MarInTech; MELOA; MeteoMet2; Metrology for essential climate variables; Multi-purpose/Multi-sensor Extra Light Oceanography Apparatua; NeXOS; Next generation, Cost-effective, Compact, Multifunctional Web Enabled Ocean Sensor Systems Empowering Marine, Maritime and Fisheries Management; Nuevas tecnologías para el seguimiento de la acidificación marina en el espacio natural Costa del Garraf; OBSEA:OBSEA:2009-05; Operatividad laboratorio submarino obsea; OPOBSEA; Pressure, atmospheric; PT2009-0080; Redes de sensores submarinos acústicos aplicados al seguimiento de especies de interes comercial; Redes de sensores submarinos autónomos y cableados aplicados a la monitorización remota de indicadores biológicos; RESBAC; RESBIO; SARTI-MAR; SINEOS; Sismòmetre marí digital amb connexió per cable; Sistemas inalambricos para la extension de observatorios submarinos; Sistemes dAdquisició Remota de dades i Tractament de la Informació en el Medi Marí; Temperature, air; VALTEC09-1-0059; Weather Station, 150WX, Airmar; Wind direction; Wind speed
  • General Chemistry
    • +
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Un nouvel exemple de transposition: l'épimérisation en C(3) d'hydroxy-3-δ1-pyrazolines dérivées de sucresDérivés C-glycosyliques XXXIX; XXXVIII: [1]. (1980)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 63 (1980), S. 359-365 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A Novel Example of Reversible Ring Opening: The Epimerization at C(3) of Sugar 3-Hydroxy-Δ1-pyrazolinesReaction of 1 (either geometrical isomer) with hydrazine followed by in situ Ag2O oxidation led to two pairs of interconverting isomers 4 ⇄ 5 and 6 ⇄ 7. By the same treatment, (Z)-10 and (or) (E)-10 gave the pair 11 ⇄ 12. Acetylation of 4 ⇄ 5 led to a non interconverting mixture of 8 and 9. This fact, and the lack of incorporation of 18O when the epimerization took place in the presence of H218O indicated that the most probable mechanism consisted in a reversible ring opening (D ⇄ E ⇄ F). The kinetic parameters of these reactions are given and structural assignments proposed for the new compounds.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19800630205
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Analyse der Erdkastanien (Wurzelknollen von Cyperus esculentus) (1851)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 78 (1851), S. 370-371 
    Details
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.18510780311
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    Paper (German National Licenses)
    Fulltext
  • 3
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    The anomalous helium component in the heliosphere - The 1965 versus the 1972-1977 solar minimum (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: The anomalous He-4 component, hereafter He(A), was first observed in the galactic cosmic-ray helium spectrum at energies below about 60 MeV per nucleon in 1972 at the beginning of the extended period of minimum solar modulation, 1972-1977, after which period it again disappeared as solar modulation increased in the new solar activity cycle. This component was not apparent during the 1965 solar minimum. It is found that the helium spectrum measured during a short interval of enhanced modulation in 1974-1975 shows the same level as the He spectrum measured during 1965. This fact demonstrates that the absence of He(A) in 1965 can be explained as the consequence of a greater level of solar modulation at low energies in 1965 than in most of the 1972-1977 solar minimum. It is concluded that He(A) may be present at all times in the outer heliosphere and be observable at successive solar minima if the residual solar modulation is sufficiently low, as in most of the 1972-1977 minimum.
    Keywords: SOLAR PHYSICS
    Type: Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X); 274; L93-L97
    Format: text
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    NASA TECHNICAL REPORTS
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