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  • 1
    Series available for loan
    Series available for loan
    Bestimmungen von Eisbewegungen am Rand des antarktischen Inlandeises (1966)
    Berlin : Nationalkomitee für Geodäsie und Geophysik der Deutschen Demokratischen Republik
    Associated volumes
    Details Availability
    Call number: MOP Per 581(3/4) ; ZSP-319/C-4(2. Ex.) ; ZSP-319/C-4
    In: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde, Nr. 4
    Type of Medium: Series available for loan
    Pages: 32 Seiten , Illustrationen
    ISSN: 0435-6187
    Series Statement: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde 4
    Language: German
    Note: Inhaltsverzeichnis 1. Aufgabenstellung 2. Expeditionsverlauf 2.1. Vorbereitung der Expedition 2.2. Schiffsreise und Arbeiten im Expeditionsgebiet 3. Die trigonometrischen Messungen 3.1. Vorbereitung 3.2. Signalisierung 3.3.Beobachtung 3.4. Genauigkeit der Beobachtungen 4. Die Auswertung 4.1. Aufbereitung der Maßergebnisse 4.2. Berechnung der Basen und Azimute 4.3. Lagebestimmung 4.3.1. Ermittlung der Näherungskoordinaten 4.3.2. Ausgleichung der Richtungsmessungen 4.3.3. Zusammenschluß der vier Teilnetze 4.3.4. Einfluß der Eisbewegung während der Messung 4.3.5. Genauigkeit der Lagebestimmung und der Eisbewegungsvektoren 4.4. Höhenbestimmung 4.4.1. Ermittlung der einzelnen Höhenunterschiede 4.4.2. Ausgleichung des Höhennetzes 4.4.3. Genauigkeit der Höhenbestimmung 5. Die Angabe der Eisbewegung und kurzer Vergleich mit den Meßergebnissen 1962 6. Ausblick 7. Zusammenfassung Schrifttum Schlußbemerkungen Anlagenverzeichnis
    Location: MOP - must be ordered
    Location: AWI Archive
    Location: AWI Archive
    Branch Library: GFZ Library
    Branch Library: AWI Library
    Branch Library: AWI Library
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  • 2
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    Determination of the optimal camera distance for cloud height measurements with two all-sky imagers (2019)
    Elsevier
    Details
    Publication Date: 2019-02-01
    Print ISSN: 0038-092X
    Electronic ISSN: 1471-1257
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Physics
    Published by Elsevier
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    PAPER CURRENT
  • 3
    Electronic Resource
    Electronic Resource
    Investigations in the Structure Properties of Magnetooptical Multilayers with Fe, Tb and Nd (1998)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 287-288 (Aug. 1998), p. 459-462 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/03/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.287-288.459.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Analysis of morphogenetic mutants of hydra (1977)
    Springer
    Development genes and evolution 183 (1977), S. 193-206 
    Details
    ISSN: 1432-041X
    Keywords: Hydra mutant ; Morphogenetic substances ; Head formation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A mutant ofHydra attenuata is analysed, theaberrant, which is distinct from the wild type in having a smaller head with fewer tentacles and only half the number of head-specific cells. The rate of head and foot regeneration and the doubling time are slower inaberrants than in normal hydra. The lower head-forming potential is paralleled by a reduced concentration of head-specific morphogens: compared to the wild type, in theaberrant the concentration of head activator is reduced to 70% in the head and to 50% in the body, the concentration of head inhibitor is reduced to 50% in the head and to 80% in the body. Theaberrant is more sensitive (3 times) to added head activator and less sensitive (〉5 times) to added head inhibitor than the wild type. The slower rate of foot regeneration is paralleled by a lower content of foot-specific morphogens: compared to the wild type, in theaberrant the foot activator is reduced to 40% and the foot inhibitor to 70%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00867320
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  • 5
    Electronic Resource
    Electronic Resource
    Analysis of morphogenetic mutants of hydra (1977)
    Springer
    Development genes and evolution 183 (1977), S. 215-222 
    Details
    ISSN: 1432-041X
    Keywords: Hydra mutants ; Morphogenetic substances ; Size regulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Minis have a doubling time of 2.4 days,maxis of 8 days.Minis regenerate head and foot 5 h faster thanmaxis.Minis have fewer tentacles (4.6) per head thanmaxis (6.1). Inmini the concentration of the head activator is equal to that inHydraattenuata, but the concentration of the head inhibitor is reduced (2-fold in the head, 1.2-fold in the body). The concentrations of the foot factors are normal.Minis respond likeHydra attenuata to head activator, foot activator and foot inhibitor, but they are less sensitive to head inhibitor Inmaxi the concentration of the head activator is higher than inmini (5-fold in the head, 10-fold in the body) and that of the head inhibitor is also higher (4-fold in the head, 5-fold in the body). The concentration of the foot inhibitor is normal, that of the foot activator is doubled.Maxis are insensitive to added head activator and less sensitive to added head inhibitor and foot inhibitor. Their response to foot activator is normal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00867322
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  • 6
    Electronic Resource
    Electronic Resource
    Analysis of morphogenetic mutants of hydra (1977)
    Springer
    Development genes and evolution 183 (1977), S. 207-214 
    Details
    ISSN: 1432-041X
    Keywords: Hydra mutant ; Morphogenetic substances ; Bud formation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Non-budding mutants ofChlorohydra viridissima regenerate heads 6 h faster thanHydra attenuata and the number of tentacles per head is higher. The polarity in pieces from the gastric region is the more labile, the smaller the pieces are. In regenerates heads and tentacles form much more frequently than feet, giving rise to bipolar or multiheaded structures. Buds very seldom form under normal conditions, but they occasionally occur in regenerating animals with two cut surfaces. The higher head-forming potential in the mutant is paralleled by a higher head-activator concentration (20-fold in head, 4-fold in body), than inHydra attenuata, which is not accompanied by an equivalent increase in head-inhibitor concentration (1.4-fold in head, 2-fold in body). The foot-activator concentration is slightly reduced (1.3-fold), the foot-inhibitor concentration is higher (1.6-fold) than inH. attenuata. The mutant is extremely insensitive to head activator, relatively insensitive to head inhibitor and foot inhibitor, but sensitive to foot activator.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00867321
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  • 7
    Electronic Resource
    Electronic Resource
    Derivatization of aromatic amines for analysis in ammunition wastewater I. Derivatization via bromination of the aromatic ring (1997)
    Springer
    Fresenius' journal of analytical chemistry 357 (1997), S. 909-914 
    Details
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract  A new derivatization method for aromatic amines is presented based on the bromination of the aromatic ring system in an acetic acid medium to yield bromo derivatives. The derivatization method is very simple to perform and overcomes several problems common in the analysis of polar aromatic amines. The derivatives are easy to extract with pentane and can be separated with gas chromatography. Due to the introduction of the electron withdrawing bromo substituents sensitive detection using an electron capture detector is possible. The method was used to investigate the contents of amino- and aminonitrotoluenes in water samples from the site of a former ammunition plant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002160050273
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  • 8
    Electronic Resource
    Electronic Resource
    Analysis of aminobenzoic acids in waste water from a former ammunition plant with HPLC and combined diode array and fluorescence detection (1997)
    Springer
    Fresenius' journal of analytical chemistry 357 (1997), S. 121-126 
    Details
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract  Aminobenzoic acids are of major interest in clinical analysis, but their determination in environmental samples has been rarely done. Therefore a method for the determination of 10 aminobenzoic acids in water has been developed, using high-performance liquid chromatography with combined diode array and fluorescence detection. A separation of the analytes has been achieved with a buffer pH 3/methanol gradient. The general elution order has been m-substituted〈p-subst.〈o-subst. aminobenzoic acids. UV and fluorescence data are presented. In a highly polluted water sample of the former ammunition plant Stadtallendorf/Hessen, 4-aminobenzoic acid, 2-amino- benzoic acid and 2-amino-4-nitrobenzoic acid have been detected. After passing a charcoal filter, only the concentration of 4-aminobenzoic acid in a sample from the same site has been above the detection limit. Besides the ten analytes investigated, several unknown compounds have been present in the samples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002160050124
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  • 9
    Electronic Resource
    Electronic Resource
    Derivatization of aromatic amines for analysis in ammunition wastewater II: Derivatization of methyl anilines by iodination with a Sandmeyer-like reaction (1997)
    Springer
    Fresenius' journal of analytical chemistry 359 (1997), S. 497-501 
    Details
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract An analytical method for the determination of aromatic amines in water is introduced that uses iodination with a Sandmeyer-like reaction to replace the amino group by iodine in aqueous solution. The non-polar derivatives are extracted with pentane or toluene, separated with gas chromatography and sensitively detected with an ECD. Thirteen major metabolites of nitroaromatic explosives were investigated. The method was used to analyze these metabolites in water samples from the site of a former ammunition plant. The results are compared with the derivatization of aromatic amines via bromination of the aromatic ring.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002160050620
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  • 10
    Electronic Resource
    Electronic Resource
    Nucleic acid content of Synechococcus spp. during growth in continuous light and light/dark cycles (1998)
    Springer
    Archives of microbiology 170 (1998), S. 201-207 
    Details
    ISSN: 1432-072X
    Keywords: Key words Cyanobacteria ; Nucleic acid content ; Circadian rhythms ; Cell division ; Ribosomal RNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Light-limited batch cultures of Synechococcus spp. strains PCC 6301 and WH 8103 exhibited a positive correlation between the specific growth rate and the cellular content of both RNA and DNA. The ratio of RNA to DNA increased with the growth rate in Synechococcus sp. strain WH 8103, as it does in heterotrophic bacteria, but remained constant in Synechococcus sp. strain PCC 6301. The cellular content of nucleic acids decreased during light periods and increased during dark periods in Synechococcus sp. strain PCC 6301 entrained by 12-h light/ 12-h dark (diurnal) cycles. This result was unexpected in light of experiments demonstrating a circadian increase in transcriptional activity during the subjective light periods and a decrease in transcriptional activity during subjective dark periods. The cyclical variation in cellular nucleic acid content during diurnal cycles appears to be in part a function of the timing of cell division and will influence estimates of in situ growth rates or relative abundances of cyanobacteria using oligonucleotide probes complementary to 16S rRNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002030050634
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