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  • 1
    Monograph available for loan
    Monograph available for loan
    Radar echoes from and turbulence within cumulus and cumulonimbus clouds (1954)
    London : His Maj.'s Stat. Off
    Associated volumes
    Details Availability
    Call number: MOP 24402
    In: Professional notes
    Type of Medium: Monograph available for loan
    Pages: 19 p. : ill.
    Series Statement: Professional notes / Air Ministry, Meteorological Office 109
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    Radar Observation of Heavy Rain (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 728-729 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN view of the article on this subject which appeared in Nature of March 5, p. 372, it may be stated that the systematic exploration of clouds and rainfall by means of radar has been proceeding actively in Great Britain for some years past, though relatively little has been published, apart ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163728a0
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  • 3
    Electronic Resource
    Electronic Resource
    Low-Level Atmospheric Ducts (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 639-639 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent communication in Nature1, McPetrie and Starnecki have directed attention to the presence of atmospheric ducts at or close to the sea surface. The presence of low atmospheric ducts when the air at 100 ft. above sea-level was colder than the sea was found difficult to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163639a0
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  • 4
    Electronic Resource
    Electronic Resource
    Meteorology and Supersonic Flight* (1966)
    [s.l.] : Nature Publishing Group
    Nature 212 (1966), S. 1181-1185 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. One of the greatest hazards to supersonic transport aircraft are the mountain-like cumulonimbus clouds. As a result of their association with severe turbulence, hydrometeors and hailstones, they are virtually impenetrable. The photograph, taken at 18,000 ft., shows cumulonimbus clouds ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2121181a0
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  • 5
    Electronic Resource
    Electronic Resource
    The ecology of temperate salt-marsh fucoids. II. In situ growth of transplanted Ascophyllum nodosum ecads (1976)
    Springer
    Marine biology 34 (1976), S. 339-348 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Growth, in terms of length, weight, and number of branches and/or dichotomies, in transplanted specimens of Ascophyllum nodosum ecad scorpioides in a temperate salt marsh is described. The ecad scorpioides, when transplanted from its characteristic habitat on the mid-intertidal, Spartina alterniflora-dominated, marsh flats to a location near mean low-water developed characteristics normally associated with A. nodosum ecad mackaii. The growth of these plants was more rapid than those in the mid-intertidal region and was not affected by the shading of algal fronds by S. alterniflora. Unusually high temperatures and light intensities during the winter and spring months were major factors affecting growth in plants that were subjected to relatively long periods of tidal exposure. The presence of S. alterniflora during the summer months may act in a protective capacity for mid-intertidal ecad populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00398127
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  • 6
    Electronic Resource
    Electronic Resource
    Photosynthesis and respiration of exposed salt-marsh fucoids (1976)
    Springer
    Marine biology 34 (1976), S. 349-359 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Photosynthesis and respiration of the salt-marsh fucoids Ascophyllum nodosum ecad scorpioides and Fucus vesiculosus were investigated using an infrared CO2 gas analyzer under a variety of light intensities, temperatures, and levels of desiccation while the algae were exposed to the atmosphere. Results indicated that net photosynthesis (0.5 to 2.0 mg C/g dry weight/h) saturated rapidly at light intensities (0.1 to 0.2 g cal/cm2/min) which were approximately 10 to 50% of the daily summer maximum intensities for algae found under phanerogam (Spartina alterniflora) canopies. Desiccation exhibited the most pronounced effect on photosynthesis, which increases slightly between 0 and 25% water loss, levels off, and decreases sharply at water losses greater than 50%. Dark respiration (0.1 to 0.3 mg C/g dry weight/h) is also inhibited by desiccation. Both species of algae appear to be broadly adapted to all three parameters investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00398128
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  • 7
    Electronic Resource
    Electronic Resource
    Low-Level Atmospheric Ducts (1950)
    [s.l.] : Nature Publishing Group
    Nature 165 (1950), S. 971-971 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For each of the eleven days given, the air was tracked back from the Cardigan Bay area for forty -eight hours. Very strong signals were found to have occurred in air which had travelled mostly over land, finishing with a descent from the Welsh mountains to sea-level in Cardigan Bay. 'Fairly strong' ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/165971a0
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  • 8
    Electronic Resource
    Electronic Resource
    Photosynthesis in whole plants of Chondrus crispus (1974)
    Springer
    Marine biology 27 (1974), S. 137-141 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Photosynthesis in whole plants of Chondrus crispus Stackhouse was measured by 14C uptake under various light intensities and temperature regimes. In plants collected from waters of 6° to 7°C, photosynthesis did not increase with light intensity over a range of 200 to 2400 foot candles (ft-c). However, in plants collected from waters of 10° to 12°C, the rate of photosynthesis was lower over the range 200 to 1400 ft-c but, at 2000 ft-c, increased to a level similar to that of the 6° to 7°C plants. Ethanol-soluble and insoluble fractions showed similar patterns.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00389066
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  • 9
    Electronic Resource
    Electronic Resource
    Lethal and mutagenic effects of nitrosoguanidine on synchronizedChlamydomonas (1976)
    Springer
    Molecular genetics and genomics 147 (1976), S. 283-289 
    Details
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The lethal and mutagenic effects of 5 μg/ml N-methyl-N′-nitro-N-nitrosoguanidine (MNNG) were maximal during the nuclear S-period of synchronously grownChlamydomonas reinhardtii. This was revealed by a 50% drop in survival and a 50- to 100-fold increase in the recovery of slow-growth mutants (up to 40% of the survivors) which were first recognized as small colonies on agar medium. Partial characterization of these isolates revealed about 50% to be stable on subculture, and several were demonstrated to be either acetate-dependent, dark-lethal (light-dependent), or acetate-sensitive mutants. There was no significant increase of lethality or of slow-growth mutants correlated with treatment during the chloroplast DNA replication phase of the cell-cycle. The results of genetic analysis with 13 mutants induced during the nuclear S-period were consistent with their nuclear origin. These analyses were hampered by the high proportion of lethality among the progeny of most crosses. It is concluded that the enhanced mutant induction among nuclear S-phase cells may indicate preferential mutagenesis of replication fork DNA and induction of multiple-closely-linked mutations, as in some bacteria. Consequently, forC. reinhardtii, caution should be exercised in drawing relationships between abnormal behavioral and biochemical phenotypes in MNNG-induced mutants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00582879
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  • 10
    Electronic Resource
    Electronic Resource
    The relation between electrical resistivity and particulate volume fraction in aluminium alloy metal-matrix composites (1989)
    Springer
    Journal of materials science 8 (1989), S. 573-575 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00720303
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