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  • 1980-1984  (1)
  • 1970-1974  (4)
  • 1950-1954  (5)
  • 1945-1949  (2)
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Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Anatomy of Roots and Shoots of Brassica Campestris L. in Relation to Vernalization (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 407-408 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Radicle. The structure of the normal radicle and its vascular differentiation have already been described4. The following table presents a comparative study which shows that there is earlier initiation of differentiation of vascular elements in vernalized radicles. Shoot apices. A search for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173407a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of High Temperature on Vernalized Mustard Seed (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 266-266 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN earlier publications, it has been shown that when dried vernalized unsplit seeds of mustard T. 27 are stored at room temperature for 836 days, or subjected to 30° ± 2° C. for 39 days, no de vernalization takes place. Furthermore, from a series of monthly sowings extending over a period of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157266c0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Inhibition of Vernalization in Linum usitatissimum Linn. by Certain Synthetic Hormones (1954)
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 461-462 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Only sprouted seeds of similar stages of development were used for sowings along with water-treated unvernalized seeds. Date of opening of the first flower on each individual plant was recorded, and the average number of days taken from date of sowing to anthesis for each treatment was calculated. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/174461b0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Space group of fluoranthene (1954)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 7 (1954), S. 378-378 
    Details
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0365110X54001089
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Aqueous polymerization of clay surface (1983)
    Springer
    Polymer bulletin 10 (1983), S. 21-27 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Methylmethacrylate has been successfully polymerized to high conversions and high molecular weight polymers with aqueous suspension of hydrogen-bentonite in the presence of aliphatic alcohols. Both extractable and non-extractable polymers were obtained. The overall initial rates of polymerization increased with increasing ethanol concentrations. The constancy in the viscosity average moles of polymer at higher ethanol concentrations indicates that transfer to alcohol was unimportant. E.s.r. and x-ray studies suggest a free radical mechanism for such polymerizations. It has been postulated that interlamellar silicate layers are responsible for generating the free radicals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00263233
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  • 6
    Electronic Resource
    Electronic Resource
    Studies on the exchange characteristics of [Co(NH3)6]3+ in amberlite IRC-50 (1972)
    Springer
    Colloid & polymer science 250 (1972), S. 891-894 
    Details
    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
    Notes: Summary The exchange of Co(NH3)6]3+-ions on amberlite IRC-50 resin has been studied at room temperature. For this exchange process the cations are effective in the order: Cs+〈Rb+〈K+〈Na+〈Li+〈NH4 +〈Mg2+ 〈Ca2+〈H+ and (C2H5)4N〈(CH3)4N+ ≪Cetyltrimethylammonium-ion 〈Cetylpyridinium-ion. The logarithm of the selectivity coefficient gives linear graphs when plotted against the radius of the hydrated ions or the reciprocals of theDebye-Hückel parameterå.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01506242
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  • 7
    Electronic Resource
    Electronic Resource
    Organization of Shoot Apex during the Ontogeny of Brassica campestris L. (1953)
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 223-224 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The apical meristem of the resting embryo is a dome-shaped structure with a uniseriate tunica (Fig. 1) surmounting the corpus, the central cells (c) of which are polygonal, more or less isodiametric and deeper stained. The cells of the rib-meristem (rm) and the rib (r) converge above to this group ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/171223a0
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Vernalization of Excised Mustard Embryo (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 783-784 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN contrast to vernalized wheat and rye, vernalized unsplit mustard seed does not become devernalized under high temperature1. Experiments were undertaken with mustard T.102 to find out whether (i) embryos excised from dried vernalized unsplit seeds would produce vernalized ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159783a0
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  • 9
    Electronic Resource
    Electronic Resource
    An attempt to detect the effects of cosmic gamma-ray bursts in the lower ionosphere (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 113-114 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] So we have searched for the effects of these bursts on the VLF propagation characteristics in the D-region of the ionosphere; a technique5,6 which earlier proved successful for the detection of X rays ( 1?10 keV) from sources such as Sco X-l. In short, the method consists of measuring the field ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/252113a0
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Chemistry of arborine (1953)
    Springer
    Cellular and molecular life sciences 9 (1953), S. 333-333 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Aus den Abbauprodukten von Arborin und Dihydroarborin konnte für Arborin, das Hauptalkaloid vonGlykosmis arborea, die Formel eines 1-Methyl-2-benzyl-4-(1 H)-chinazolons erschlossen werden. Diese Formel wurde durch Synthese bestätigt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02155833
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    Paper (German National Licenses)
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