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  • 2000-2004  (2)
  • 1975-1979  (3)
  • 1960-1964  (2)
  • 1860-1869  (2)
  • 1
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    Unbekannt
    Zaehner, R. C. "The Dawn and Twilight of Zoroastrianism" (Book Review) (1963)
    London : Periodicals Archive Online (PAO)
    Journal of theological studies. n.s.:14 (1963) 269 
    Details
    ISSN: 0022-5185
    Thema: Theologie und Religionswissenschaft
    Notizen: AUTHORS AND BOOKS REVIEWED OR NOTICED
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:f198-1963-014-00-000228
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  • 2
    Digitale Medien
    Digitale Medien
    The IR energy distribution of SS433 (1979)
    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 810-811 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Photometric measurements were made on the nights of 29,30 and 31 May 1979 UT, using the University of Hawaii 2,2-mtelescope on Mauna Kea. The 1.2-4.8 ?? observations employed an InSb detector and a 6 arc s diaphragm while the broadband 8-13 ?? observations used a gallium-doped germanium bolometer ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/282810a0
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  • 3
    Digitale Medien
    Digitale Medien
    Extragalactic molecular hydrogen (1978)
    [s.l.] : Nature Publishing Group
    Nature 274 (1978), S. 114-115 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A GROUP of infrared astronomers using the 2.3 m telescope at the Steward Observatory, Arizona, have recently announced the first direct detection of molecular hydrogen in a galaxy outside our own Milky Way (Thompson, Lebofsky & Rieke Astrophys. J. 222, L49; 1978). The surprising feature of this ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/274114a0
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  • 4
    Digitale Medien
    Digitale Medien
    Detection of Jupiter's ring at 2.2 µm (1979)
    [s.l.] : Nature Publishing Group
    Nature 279 (1979), S. 400-401 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The observations were made on 10 and 11 March 1979 UT using the 2.2-m University of Hawaii telescope on Mauna Kea, an //35 chopping secondary photometric system and an indium antimonide photovoltaic detector. Most of the measurements were made with a 5 arc s diaphragm centred 13 arc s above the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/279400a0
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  • 5
    Digitale Medien
    Digitale Medien
    A Physiological Basis for the ‘Optimum’ Level of Energy Expenditure (1962)
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 1210-1212 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Neither of these criteria has a real physiological basis. An objective and sound physiological basis for the optimum level of work would be the level of oxygen consumption, compared with the maximum oxygen intake, at which the rate of supply of oxygen by cardio-respiratory mechanisms to working ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1951210b0
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  • 6
    Digitale Medien
    Digitale Medien
    Predicting age-age genetic correlations in tree-breeding programs: a case study of Pinus taeda L. (2000)
    Springer
    Theoretical and applied genetics 100 (2000), S. 199-206 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Key words Age-age genetic correlations ; Phenotypic correlations ; Conifers ; Tree breeding ; Woody perennials
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  A meta-analysis of 520 parents and 51,439 individuals was used to develop two equations for predicting age-age genetic correlations in Pinus taeda L. Genetic and phenotypic family mean correlations and heritabilities were estimated for ages ranging from 2 to 25 years on 31 sites in the southern U.S. and Zimbabwe. Equations for predicting age-age correlations based on P. taeda populations from west and east of the Mississippi River proved statistically different. Both predictive equations proved conservative for validation datasets consisting of younger tests in the U.S. and Zimbabwe. Age-dependent log-linear predictive equations were favored over growth-dependent equations. All P. taeda predictive equations based on genetic correlations favored earlier selection when compared to a generalized conifer predictive equation based on phenotypic correlations. The age-age correlations structure showed stability independent of planting density and across a wide range of family sizes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s001220050027
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  • 7
    Digitale Medien
    Digitale Medien
    Retroelements contribute to the excess low-copy-number DNA in pine (2000)
    Springer
    Molecular genetics and genomics 264 (2000), S. 47-55 
    Details
    ISSN: 1617-4623
    Schlagwort(e): Genome organization Reassociation kinetics Retroelements Gymnosperms Pinus taeda
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract. Excess DNA in the single-copy component is rarely recognized as a contributor to the C-value paradox yet the single-copy component of the pine genome is reported to comprise over 3000 Mb of DNA, in large excess over the estimated 100 Mb required for gene expression. Two hypotheses regarding the factors that might contribute to the excess low-copy-number DNA were tested. The first hypothesis proposes that the excess low-copy kinetic component is actually overestimated by reassociation data analysis. To test this, a previously published C0t curve for Pinus strobus was reanalyzed using a new estimate of genome size based on laser flow cytometry. Part of the excess low-copy-number DNA in the pine genome could be attributed to the choice of parameters used in the analysis of the reassociation data. The second hypothesis holds that diverged retrotransposons contribute to the excess low-copy DNA. Sequences randomly sampled from single-copy and low-repetitive kinetic components of the P. taeda genome were characterized. Twelve of 46 fragments cloned from these fractions were found to show sequence similarity to retroelements; hence diverged retroelements contribute to the excess low-repetitive kinetic component in the pine genome. Similarity search was shown to be a conservative method for identifying retroelements, and thus the number of retroelements in the low-copy component was actually underestimated. Most of the retroelements in this fraction were nonfunctional, divergent from known retroelement families and previously reported only for flowering plants. Divergent retrotransposons are thus a major factor contributing to the expansion of the low-repetitive DNA component in higher plants.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004380000279
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  • 8
    Digitale Medien
    Digitale Medien
    Ueber das Acetanilid (1864)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 131 (1864), S. 288-291 
    Details
    ISSN: 0075-4617
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jlac.18641310305
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  • 9
    Digitale Medien
    Digitale Medien
    Ueber die Bildung der Jodverbindungen der Alkoholradicale aus Boghead - Naphta (1863)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 126 (1863), S. 103-108 
    Details
    ISSN: 0075-4617
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jlac.18631260113
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