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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Environmental science & technology 3 (1969), S. 386-393 
    ISSN: 1520-5851
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 205 (1965), S. 830-830 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A series of experiments has been made in the greenhouse on young plants of Corsican pine (Pinus nigra var. calabrica Loud.), Japanese larch (Larix leptolepis Murr.), Norway spruce (Picea abies L. Karst.) and Scots pine (Pinus sylvestris L.), up to 4 years of age, to determine the pattern of water ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 498-499 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Using the electron microscope the resolution is improved to about 0-3 micron and the technique is more sensitive because the tracks can be identified more readily. The same CAB film that records the tracks is also used to extract precipitates from the specimen, giving a combined extraction replica ...
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  • 4
    facet.materialart.
    Unknown
    New York : Periodicals Archive Online (PAO)
    Explorations in economic history. ser.2:2:2 (1965:Winter) 154 
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  • 5
    facet.materialart.
    Unknown
    New York : Periodicals Archive Online (PAO)
    Explorations in economic history. ser.2:3:2 (1966:Winter) 75 
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  • 6
    facet.materialart.
    Unknown
    Liverpool : Periodicals Archive Online (PAO)
    The Town planning review. 36:4 (1966:Jan.) 294 
    ISSN: 0041-0020
    Topics: Architecture, Civil Engineering, Surveying , Sociology
    Notes: BOOK REVIEWS
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 220 (1968), S. 1121-1121 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Intensity of laser light produced by a Nd glass rod 0-5 inches in diameter and 6 inches long, pumped with 1,000 J/inch ms-1. Time-base, 1 ms per division. During these high current pulses several thermal and mechanical problems arise, together with others caused by the electromagnetic ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 216 (1967), S. 404-406 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Correlation curve for the response of the rabbit. B, Benzaldehyde; C, camphor; F, fenchone; M, methyl salieylate; P, pinene. In the odorous molecules there is evidence that the different primary stimuli are related to the various low vibrational frequencies of the molecule1'3-5. At the ...
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1871-4528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Zusammenfassung Veränderungen in den Konzentration der haupsächlichsten biochemischen Faktoren, die für die Schwarzverfärbung nach dem Kochen ausschlaggebend sind, wurden während der Wachstumperiode anhand von zwei Sorten, die sich im Verhalten gegenüber Schwarzverfärbung deutlich unterscheiden, auf ihre Auswirkungen untersucht;Majestic (eine zur Schwarzverfärbung neigende Sorte mit hohem Gehalt an Chlorogensäure) undUlster Beacon (eine nicht zur Schwarzverfärbung neigende Sorte mit tiefem Chlorogensäuregehalt). Während der Wachstumsperiode nahm in beiden Sorten die Intensität der Schwarzverfärbung ab, und die Verteilung der Verfärbung wechselte vom Kronen-zum Nabelende (Abb. 4). Diese Unterschiede in der Schwarzverfärbung waren verbunden mit Veränderungen bezüglich Menge und Verteilung der Zitronensäure (Abb. 1) und Chlorogensäure (Abb. 3). Hohe signifikante Korrelationskoeffizienten wurden zwischen Schwarzverfärbung und Chlorogensäure, Schwarzverfärbung und Zitronensäure sowie zwischen Schwarzverfärbung und dem Verhältnis von Chlorogensäure zu Zitronensäure (Tabelle 3) festgestellt. Die Verteilung der Zitronensäure in der Knolle stand in Beziehung zur Verteilung des Kaliums (Tabelle 1). Während der Wachstumsperiode blieb die Kalikonzentration—abgesehen vom Erntezeitpunkt V—in der ganzen Knolle mehr oder weniger konstant, während die Konzentration der Zitronensäure anstieg (Tabelle 2). Bei jedem Erntezeitpunkt zeigten die Knollen der SorteMajestic stärkere Schwarzverfärbung und enthielten grössere Mengen Chlorogensäure als jene der SorteUlster Beacon.
    Abstract: Résumé Les modifications dans les concentrations des principaux facteurs biochimiques responsables du noircissement après cuisson ont été observées pendant la période de croissance chez deux variétés présentant des comportements au noircissement largement différents:Majestic (une variété qui noircit et qui a une haute teneur en acide chlorogénique) etUlster Beacon (une variété sans noircissement et qui a une basse teneur en acide chlorogénique). Chez les deux variétés l'intensité du noireissement diminue et sa répartition varie de la couronne au hile pendant la saison de croissance (Fig. 4). Les changements dans le noircissement sont associés aux changements dans la quantité et la répartition de l'acide citrique (Fig. 1) et de l'acide chlorogénique (Fig. 3.). Des coëfficients de corrélation hautement significatifs sont trouvés entre le noircissement et l'acide chlorogénique, le noireissement et l'acide citrique, et entre le noircissement et le rapport de l'acide chlorogénique à l'acide citrique (Tableau 3). La répartition de l'acide citrique dans le tubereule est liée à la répartition du potassium (Tableau 1). Pendant la saison de croissance la concentration du potassium dans le tubercule entier restait plus ou moins constante sauf à la récolte V, tandis que la concentration en acide citrique augmentait (Tableau 2). A chaque récolte les tubercules deMajestic noircissaient davantage et contenaient de quantités plus grandes d'acide chlorogénique que les tubercules deUlster Beacon.
    Notes: Summary Variations in the concentrations of the main biochemical factors responsible for after-cooking blackening have been followed during the growing season in two varieties with widely differing blackening behaviour (Majestic andUlster Beacon). In both varieties the intensity of blackening decreased and the distribution changed from bud to stem end during the growing season. These changes in blackening were associated with changes in the amount and distribution of citric acid and chlorogenic acid. Highly significant correlation coefficients were found between blackening and chlorogenic acid, blackening and citric acid, and between blackening and the ratio of chlorogenic acid to citric acid. At each harvestMajestic tubers blackened more thanUlster Beacon tubers and always contained larger amounts of chlorogenic acid.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Potato research 10 (1967), S. 16-36 
    ISSN: 1871-4528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Variations in the concentration of the main biochemical factors responsible for after-cooking blackening in potatoes have been examined in a number of varieties grown on a black fen soil and a clay soil. Highly significant correlations were found between blackening and the ratio of chlorogenic acid/citric acid in the individual varieties. Blackening was usually greater in the fen grown tubers and this was generally associated with the presence of less citric acid and sometimes more clorogenic acid. The annual fluctuation in blackening at a given centre was mainly due to the different amounts of chlorogenic acid and citric acid found in the tubers under the varying climatic conditions.
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