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  • 1970-1974  (5)
  • 1965-1969  (1)
  • 1960-1964  (2)
  • 1930-1934  (2)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Inorganic chemistry 9 (1970), S. 607-611 
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of educational technology 4 (1973), S. 0 
    ISSN: 1467-8535
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Education
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 13 (1973), S. 0 
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary. The effectiveness of pre-emergence applications of 2,4-D for weed control in maize was studied In five experiments, in comparison with other herbicide treatments. 2,4-D-aimne applied before crop emergence gave satisfactory weed control if the subsequent conditions were wet, but post-emerge nee applications only killed some species (Chenopodium album and Atriplex patula.) A combination of 2,4-D-amine, applied pre-emergence to a moist soil and subsequently as a foliar spray, controlled completely C. album, A. patula, Stellaria media and Veronica spp. Pre-emergence applications of simazine gave better weed control with less need for rain soon after application. Only A. patula was usually resistant. Pre-emergence treatments of atrazine killed all weeds whilst linuron controlled S. media, A. patula., C. album and Sonchus oleraceus but not Veronica spp.Irrigation experiments showed that weed competition for water was largely responsible for the depressions in the early growth of maize when the conditions were dry. Final yield largely reflected the degrees of weed control attained by the herbicidal treatments. Only 2,4-D applied pre-emergence, and followed by heavy rain caused a direct depression in yield.Effects des herbicides sur la productivityé du mals fourrage avec référence particuliére aux applications en pré-levée du 2,4-D amine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 13 (1973), S. 0 
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary. Linuron, 2,4-D-aniine, propachlor, pyriclor and cypromid, singly and mixture with atrazine, were compared with atrazine and fluromidine alone for effectiveness of weed control in maize on Oxford clay soil. Pre-emergence applications were made under wet conditions and atrazine, even at 0·28 kg/ha a.i. gave an excellent control of three main weeds, Stellaria media, Veronica spp. and Polygonum aviculare, and at 0·56 kg/ha also killed Aethusa cynapium. Fluromidine was comparable with atrazine, but linuron,2,4-D-amine, propachlor and pyriclor were less effective. Post-emergence treatments were less satisfactory. High doses of atrazine were needed for good weed control. Acynapium was resistant to pyriclor and cypromid and P. aviculare to fluromidine. 2,4-Daminewas ineffective, but atrazine/2,4-D-amine mixtures were more effective than the individual components for the control of P. aviculare. Pyriclor, at 0·56 kg/ha pre-emergenceand cypromid at 2·24 kg/ha post-emergence directly reduced the yield of the crop.Utilisation de I'atrazine à faible dose, seule et en mélange avec d'autres herbicides, dans les culturesde maïs
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 334 (1961), S. 419-427 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Tumor cell packets were demonstrated in 10 out of 45 cases from cruor or chickenfat thrombi obtained from the right and/or left heart chambres. Packets classified as atypical were observed 5 times. Using the leucoconcentration method ofHerbeuval, tumor cells were demonstrated with certainty in 3 out of 20 cases, and in 4 further cases, atypical cells or cell packets were found. The potential significance of these findings are discussed. Histological examination of clotted blood taken from the heart chambres at autopsy from patients dying with advanced cancer has proved to be a method rich in results for the morphological examination of tumor particles in the circulatory system.
    Notes: Zusammenfassung In 10 von 45 Fällen wurden in Cruor- oder Speckhautgerinnseln der rechten und/oder linken Herzhöhlen Tz.-Verbände nachgewiesen. Fünfmal wurden als atypisch klassifizierte Verbände beobachtet. In 3 von 20 nach der Methode der „Leukokonzentration“ vonHerbeuval verarbeiteten Blutproben fanden sich sichere Tumorzellen, in 4 weiteren Fällen atypische Zellen oder Zellverbände. Die prospektive Bedeutung dieser Tz.-Verbände wird besprochen. Die histologische Aufarbeitung der aus den Herzhöhlen bei der Obduktion von Kranken mit fortgeschrittenen Geschwulstleiden entnommenen Blutgerinnsel hat sich als ergiebige Methode zur morphologischen Untersuchung von Geschwulst-partikeln im Blutkreislauf erwiesen.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 67 (1934), S. 79-87 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 282 (1931), S. 621-629 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Clinical and experimental medicine 137 (1963), S. 523-531 
    ISSN: 1591-9528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Investigations with surgical transported abdominal testes in 100 rats reveal a varying degree of sensitivity of the individual seminiferous tubulus, or even their various segments, to an increased environmental temperature. This temperature increase probably exerts its destructive effects on the seminiferous epithelium predominantly during the two specific mitotic phases in the spermatogenic series between the appearance of the spermatocytes and the spermatides. It is presumed that “resting seminiferous epithelium”, i.e., tubuli segments with slight or absent mitotic activity, may be able to resist damage from increased temperature for lengthy periods of time.
    Notes: Zusammenfassung Untersuchungen am operativ verlagerten Bauchhoden bei 100 Ratten ergeben eine unterschiedliche Empfindlichkeit einzelner Samenkanälchen oder ihrer Abschnitte gegenüber der höheren Umgebungstemperatur. Die zur Verödung des samenbildenden Epithels führende Wärmeschädigung wird wahrscheinlich vorwiegend während der Reifeteilungsphasen wirksam. Es wird angenommen, daß „ruhendes samenbildendes Epithel“, d.h. Abschnitte mit geringer oder fehlender Teilungsaktivität, Temperaturerhöhungen lange Zeit ohne Schaden vertragen kann.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Potato research 12 (1969), S. 225-237 
    ISSN: 1871-4528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The relationships among three methods for evaluating texture (sloughing during cooking, hardness of cooked potato dice and shear press value of French fries) and some chemical constituents (Ca, Mg, K, free pectin, phytin and citrate) were investigated, using the main specific gravity classes of seven Dutch potato varieties. The interplay of these constitutents (except K) in the softening of the texture during cooking was expressed as follows: Only the shear press value showed a relationship with the specific gravity. None of the textural-properties was geverned by the PC PMC number or by water uptake of raw slices. The same properties were determined after 50 and 100 days storage at 10 and 4 C. A decrease in sloughing and hardness, but an increase in shear press value occurred. PCMPC number also increased, but remained quite low, explaining its lack of influence on texture.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Potato research 17 (1974), S. 434-465 
    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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