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  • Articles  (28)
  • Chemistry and Pharmacology  (28)
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  • Articles  (28)
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  • 1
    Electronic Resource
    Electronic Resource
    [Letters to Editors] (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 136-136 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MR. THOMSEN has made an interesting analysis of our results in relation to the positions of sunspot groups. I should, however, like to make two comments. (a) The suggestion (originally made by Appleton and Hey1) that the equivalent temperature varies as the square of the wave-length ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161136a0
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  • 2
    Electronic Resource
    Electronic Resource
    Observations of OE323(4C34.13), MO758+120, and OS210(4C28.40) with the 5-km telescope (1977)
    [s.l.] : Nature Publishing Group
    Nature 269 (1977), 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] Our observing frequency was 2.7 GHz, as used by Gearhart and Pacht1, and the beam size (FWHP) 3.7 x 3.7 cosec 5 arc s; in one case, OS210, the source had previously been mapped at 5 GHz (ref. 2) with a beam size 2 x 4.1 arc s. Figure 1 shows the 2.7-GHz maps in which the declination scales have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/269223a0
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  • 3
    Electronic Resource
    Electronic Resource
    A Search for Long-Period Variations in the Intensity of Radio Stars (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 555-556 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present observations were made on a wavelength of 3-7 m. with an interferometer aerial which has already been described1. This system employs two fixed aerials, each of which has a large aperture in an east-west direction and a small aperture in a north-south direction; the interferometer is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/168555b0
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  • 4
    Electronic Resource
    Electronic Resource
    Solar Radiation on 175 Mc./s. (1946)
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 339-340 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Appleton1 and Hey2 have directed attention to the fact that radio-frequency energy, with some of the characteristics of random ‘noise’, is emitted with greatly increased intensity from the sun under the conditions of violent disturbance associated with a large ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/158339b0
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  • 5
    Electronic Resource
    Electronic Resource
    Optical Identification of the First Neutron Star? (1968)
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 907-910 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A more precise position for one of the rapidly pulsating radio sources has been found. This has suggested that the source is associated with an eighteenth magnitude blue ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/217907a0
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  • 6
    Electronic Resource
    Electronic Resource
    Observations of Radio Galaxies with the One-Mile Telescope at Cambridge (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 1024-1027 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON July 6, Lord Bowden and other distinguished guests visited the Mullard Radio Astronomy Observatory, Cambridge, to inspect the new, large radio telescope1 which has recently come into use. This instrument, which was constructed with the aid of a grant from the Science Research Council, makes use ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2071024a0
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  • 7
    Electronic Resource
    Electronic Resource
    High-Resolution Observations of the Radio Sources in Cygnus and Cassiopeia (1965)
    [s.l.] : Nature Publishing Group
    Nature 205 (1965), S. 1259-1262 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the initial testing of the new Cambridge radio telescope1 some observations have been made of the radio sources Cygnus A and Cassiopeia A at a wavelength of 21.3 cm. Though the observations of the former source do not add greatly to the information which has already been obtained2-4, by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2051259a0
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  • 8
    Electronic Resource
    Electronic Resource
    The New Cambridge Radio Telescope (1962)
    [s.l.] : Nature Publishing Group
    Nature 194 (1962), S. 517-518 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Department of Scientific and Industrial Research has recently announced the award of a grant for the construction of a new radio telescope which has been designed at Cambridge. Like the two existing large telescopes1'2, the new instrument will make use of the principle of aperture synthesis3 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/194517a0
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  • 9
    Electronic Resource
    Electronic Resource
    [Letters to Editor] (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 858-858 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. MINNAERT has pointed out the distinction between the three components of solar radiation. We would like to make it clear that the primary object of the experiment described in our previous communication1 was to investigate the origin of the steady component of the radiation ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162858c0
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  • 10
    Electronic Resource
    Electronic Resource
    A New Intense Source of Radio-Frequency Radiation in the Constellation of Cassiopeia (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 462-463 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE discovery by Hey, Parsons and Phillips1'2 of a variable source of radio-frequency radiation in the constellation of Cygnus suggested that at least part of the galactic radiation was due to very intense discrete sources. Afterwards a detailed study of this region was made by Bolton and Stanley3, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162462a0
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