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  • 1
    Series available for loan
    Series available for loan
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Call number: SR 90.0001(1027-L)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: III S., S. 501-573
    Series Statement: U.S. Geological Survey bulletin 1027-L
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 22 (1957), S. 451-452 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 79 (1957), S. 3677-3681 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 1179-1180 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The anti-Q has been used for agglutination tests only, while the P factor has been determined by absorption as well as by agglutination. A total of 224 samples were tested, giving the following results : P + P _ Total 113 0 113 0 111 111 Total 113 111 224 Cross-absorption experiments ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 283-289 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The operating characteristics of a Podbielniak model 5,000 centrifugal extractor, having a combined-stream capacity of 450 cc./min. at 5,000 rev./min. and a rotor holdup of 529 cc., were investigated. Variables studied were density difference, rotor speed, light-liquid-out pressure, flow rates, holdup, and number of stages.A technique for holdup determination that comprises displacing either phase in the extractor with the other phase is described and experimentally demonstrated. An equation useful in predicting flooding limits is verified. It is suggested that the effective values of the rotor dimensions in this equation be determined by the behavior of the extractor.A relationship among number of stages, light-liquid-out pressure, and flow-rate ratio is demonstrated by extracting boric acid from isoamyl alcohol with water. With only a few runs this relationship should permit one to map in a family of curves for a particular system and thus rapidly to estimate optimum operating conditions.A procedure is outlined for applying the methods to other systems using similar extractors. First the constants in an equation are estimated from holdup measurements in order to predict flooding limits. Then a few extraction runs are made to estimate optimum operating conditions.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Potato research 1 (1958), S. 21-24 
    ISSN: 1871-4528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Zusammenfassung Seit dem Jahre 1948 ist die Arbeit der Kartoffelzüchtung in Dänemark ganz bedeutend erweitert worden, da in diesem Jahre der «Kartoffelfonds der Landwirtschaft» gegründet wurde, dessen Ertrag in erster Linie die Kartoffelzüchtung Dänemarks stützen soll. Der Fonds besitzt die Zuchtstation bei Vandel. Zusammen mit der Versuchsstation in Tylstrip im Besitz des Staates, ist es die einzigen Stelle in Dänemark, wo Kartoffelzüchtung betrieben wird. Die Züchtung von Speisekartoffeln ist sehr wichtig, aber auch die Arbeit mit Futter- und Fabrikkartoffeln ist von grösster Bedeutung. Eigenschaften, wie Ertrag und Qualität der neuen Kartoffelsorten, sind von besonderer Wichtigkeit, aber eines der Ziele der jetzigen Züchtungsarbeit ist, Kartoffelsorten zu finden, die nicht so stark von Krautfäule und Kartoffelschorf angegriffen werden. Da die Bedingungen für die Erzeugung von virusfreien Saatkartoffeln in Dänemark sehr günstig sind, hat man nicht viel Interesse daran, virusresistente Sorten zu züchten, mit Ausnahme von Kartoffelsorten für Export. Auf der Station in Vandel befindet sich eine grössere Sammlung von wilden und kultiviertenSolanum-Arten, die einer der Mitarbeiter der Station aus verschiedenen südamerikanischen Staaten mitgebracht hat. Drei neue Sorten haben bei den vorläufigen Prüfungen gute Resultaten ergeben.
    Abstract: Résumé A partir de l'année 1948 l'ocuvre sélectionnaire de la pomme de terre au Danemark a pris un large essor. C'est que dans cette année fut institutée la «Caisse Agricole de la Pomme de terre», dont les fonds sont réservés en premier lieu à soutenir l'oeuvre sélectionnaire de la pomme de terre au Danemark. La «Caisse» exploite la Station d'expérimentation à Vandel qui, ensemble avec la Station d'essais à Tylstrup-également un institut de l'Etat-sont les seules institutions au Danemark où l'on se voue à l'oeuvre sélectionnaire de la pomme de terre. La culture de la pomme de terre de consommation revêt une importance particulière, tout comme d'ailleurs celle des pommes de terre fourragères et industrielles. Les propriétés des nouvelles variétés, telles que rendement et qualité, sont très importantes, mais l'un des objectifs de l'oeuvre sélectionnaire de nos jours est de créer des variétés de pommes de terre résistantes au mildiou et à la gale commune. Etant donné que les conditions de production pour plants de pommes de terre exempts de toute contagion virologique sont très favorables au Danemark, on s'intéresse peu à la culture de variétés résistantes aux maladies à virus, sauf les variétés de pommes de terre destinées à l'exportation. A la Station à Vandel on dispose d'une collection assez riche de variétésSolanum sauvages et cultivées en provenance de différents états américains et approtées par l'un des chercheurs de cet Institut. Trois variétés ont fait l'objet d'expériences entreprises à titre provisoire, et elles ont donné de bons résultats.
    Notes: Summary Frem 1948 onward there has been a marked increase in potato breeding work in Denmark. This is due to the fact that the Danish Agriculture Potato Fund was established in this year and its proceeds are devoted to the advancement of potato breeding in Denmark. The fund owns the Potato Breeding Station at Vandel, near Vejle, and this together with the State Research Station at Tylstrup are the only places in Denmark where potato breeding is carried out. Breeding of ware varieties constitutes a great part of the work, although the breeding of varieties used for fodder and industrial purposes is also an important aspect of the work. The quality and yield capacity of the new varieties are very important considerations, although the present work of breeding also aims at finding varieties which are only slightly affected by late blight and common scab. As the conditions governing the production of virus-free seed potatoes, do not constitute any serious problem in Denmark, little attention has been paid to the finding of virus-resistant varieties, except on the case of special varieties intended for export. The station in Vandel owns a fairly large collection of wild and cultivated species of potatoes. Three of the most promising varieties from Vandel will be sent for an official test as from 1958.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1871-4528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 8
    Publication Date: 1959-07-15
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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  • 9
    Publication Date: 1959-03-15
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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  • 10
    Publication Date: 1957-07-01
    Print ISSN: 0002-7863
    Electronic ISSN: 1520-5126
    Topics: Chemistry and Pharmacology
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