Search Results - (Author, Cooperation:H. Michaelis)

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  1. 1
    Staff View Availability
    Person(s):
    Michaelis, H.; Müller-Guntrum, H.; Staudte, A.; Treeß, U.
    Type of Medium:
    Unknown
    Pages:
    229 S.
    Edition:
    3. Aufl.
    ISBN:
    340762056X
    Series Statement:
    Curriculum-Materialien für Vorschule und Eingangsstufe Bd. 2
    Language:
    German
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    Printed Books
  2. 2
    Staff View
    Publication Date:
    2015-08-01
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Beukema, J.J. ; Essink, K. ; Michaelis, H. ; Zwarts, L.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0077-7579
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Biology
    Geosciences
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1016/0077-7579(93)90051-S

    Articles: DFG German National Licenses
  4. 4
    Ahrens, L.H. ; Von Michaelis, H. ; Fesq, H.W.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0012-821X
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Geosciences
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://linkinghub.elsevier.com/retrieve/pii/0012-821X(69)90169-1

    Articles: DFG German National Licenses
  5. 5
    Ahrens, L.H. ; Von Michaelis, H.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0012-821X
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Geosciences
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://linkinghub.elsevier.com/retrieve/pii/0012-821X(69)90172-1

    Articles: DFG German National Licenses
  6. 6
    Staff View
    ISSN:
    0012-821X
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Geosciences
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1016/S0012-821X(68)80069-X

    Articles: DFG German National Licenses
  7. 7
    Staff View
    ISSN:
    0012-821X
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Geosciences
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1016/S0012-821X(68)80009-3

    Articles: DFG German National Licenses
  8. 8
    Von Michaelis, H. ; Ahrens, L.H. ; Willis, J.P.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0012-821X
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Geosciences
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1016/S0012-821X(68)80070-6

    Articles: DFG German National Licenses
  9. 9
    Ahrens, L.H. ; Von Michaelis, H.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0012-821X
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Geosciences
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1016/S0012-821X(68)80071-8

    Articles: DFG German National Licenses
  10. 10
    Staff View
    ISSN:
    0038-1098
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://linkinghub.elsevier.com/retrieve/pii/0038-1098(92)90395-P

    Articles: DFG German National Licenses
  11. 11
    Staff View
    ISSN:
    1438-3888
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Summary In the Wadden Sea, in total, 93 species of macrofaunal benthic invertebrates are threatened in at least one subregion. Of these, 72 species are threatened in the entire area and are therefore placed on the trilateral Red List. 7 species are (probably) extinct in the entire Wadden Sea area. The status of 9 species of macrofaunal invertebrates is critical, 13 species are (probably) endangered, the status of 25 species is (probably) vulnerable and of 17 species (probably) susceptible.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF02366174

    Articles: DFG German National Licenses
  12. 12
    Michaelis, H.
    Springer
    Published 1978
    Staff View
    ISSN:
    1438-3888
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract The polychaete wormsPolydora ciliata andP. ligni were investigated with regard to the morphology of their fifth chaetigerous segment, bearing bundles of modified bristles in a special arrangement. The development of these chaetae from late larval to adult stages is described, considering the loss of provisional bristles, the variation of shape caused by the wear and the shedding of old chaetae after losing their function. In addition an epidemic shell disease of the mussel,Mytilus edulis, induced by infestation withP. ciliata is reported.P. ligni was observed to regularly inhabit the inflorescenses of the eelgrass,Zostera marina. The relationships between this plant andP. ligni are discussed.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF02296992

    Articles: DFG German National Licenses
  13. 13
    Rahmel, J. ; Bätje, M. ; Michaelis, H. ; Noack, U.
    Springer
    Published 1995
    Staff View
    ISSN:
    1438-3888
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract The phytoplankton succession and related abiotic variables were investigated within the frame of a monitoring programme. Results from 1985 to 1991 are presented. For the prymnesiophytePhaeocystis globosa, an increase in the maximum annual abundance was observed. The appearance of this species in the phytoplankton succession followed an annually recurrent pattern. Among the starting conditions for the bloom, a coincidence with the annual DIN/P maximum was most obvious. Quantitatively, temperature and salinity showed the lowest variability at the onset of the blooms. Nutrient uptake during the increasing phase of the bloom appeared to affect nitrate concentrations more significantly than those of ammonia and phosphate.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF02368365

    Articles: DFG German National Licenses
  14. 14
    Kolbe, K. ; Kaminski, E. ; Michaelis, H. ; Obert, B. ; Rahmel, J.
    Springer
    Published 1995
    Staff View
    ISSN:
    1438-3888
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract The distribution and cover density of macroalgae (Chlorophyta, Ulvaceae) were estimated by means of aerial surveys in 1990–1992 in the Wadden Sea of Niedersachsen, an intertidal area of some 1200 km2 situated at the German North Sea coast. Each year, up to a maximum of 15% of the total area was covered by algae. The spatial distribution was heterogeneous. In some subregions the macroalgal carpets covered from 30% up to 60% of the tidal flats. The cover density was at its peak in 1990. Additionally, tentative ground truth investigations were carried out on species composition. Reviewing other reports of macroalgal mass development at various sites in Europe, it is assumed that in the German Wadden Sea the recent macroalgal blooms have to be regarded as a response to eutrophication, and will presumably remain a chronic problem for many years to come.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF02368379

    Articles: DFG German National Licenses
  15. 15
    Bätje, M. ; Michaelis, H.
    Springer
    Published 1986
    Staff View
    ISSN:
    1432-1793
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract In 1982 and 1983, blooms of the planktonic alga Phaeocystis pouchetii were studied in the East Frisian coastal waters off Norderney, FRG. Morphological variability of the colonies, population development, effects on inorganic nutrient and oxygen budget, and the role in the seasonal plankton bloom sequence were investigated. in both years two separate Ph. pouchetii blooms occurred in late spring and early summer that were formed by the “globosa-type” exclusively. The “pouchetii-type” was only present during the interval between the first and second blooms in 1982. Growth conditions for Ph. pouchetii seem to be most favourable after a breakdown of a diatom bloom when the silicate reserves have been exhausted, phosphate concentrations are relatively low, but a rich supply of dissolved inorganic nitrogen is available. Contrary to diatom blooms, Ph. pouchetii blooms result in a high production of particulate organic carbon (POC). Another characteristic is the release of great amounts of dissolved organic substances, which cause extensive sea foam formation during the peaks and the subsequent breakdown of the blooms. Due to increased assimilation during mass development and intense disintegration after the breakdown, variations of the oxygen content of the water are significant. Presumably the intensity of blooms has increased in the past decade as indicated by sea foam formation which has actually been excessive in some years.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00428651

    Articles: DFG German National Licenses
  16. 16
    Berger, J. ; Michaelis, H.
    Springer
    Published 1975
    Staff View
    ISSN:
    1432-0711
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Medicine
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00669083

    Articles: DFG German National Licenses
  17. 17
    Staff View
    ISSN:
    1432-0843
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Medicine
    Notes:
    Summary The kinetics of melphalan leakage into the peripheral blood were studied in 21 patients undergoing hyperthermic isolation perfusion of the upper or lower limb as an adjuvant treatment in high-risk melanoma; in 5 patients cisplatin was added. The melphalan concentrations in the peripheral blood rose predominantly during the first 20 min of perfusion and levelled out to an apparent steady state of about 0.28 μg/ml in upper extremity perfusions, and 0.34 (without cisplatin) and 0.37 μg/ml (with cisplatin) in lower extremity perfusions. Erythrocytes labelled with technetium Tc 99m, which were added concomitantly with melphalan to the perfusion medium, appeared in the systemic circulation of the patients at an almost constant rate of 0.32% (lower and upper limb perfusions without cisplatin and 0.37% (with cisplatin) of total tracer/min. This perfusate flow rate indicated by labelled erythrocytes completely explained the leakage of melphalan from the perfusion circuit into the peripheral blood. Peak concentrations of melphalan in the peripheral blood were observed immediately after reconstitution of normal hemodynamic conditions once isolation perfusion had been teminated. This fraction of melphalan might originate from tissue-binding sites, but also from vascular compartments; therefore, a thorough washing-out procedure might minimize this effect.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00688861

    Articles: DFG German National Licenses
  18. 18
    Degenhardt, A. ; Tholey, P. ; Michaelis, H.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0047-2484
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Biology
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1016/0047-2484(80)90098-6

    Articles: DFG German National Licenses
  19. 19
    Michaelis, H. C.

    Berlin, etc. : Periodicals Archive Online (PAO)
    Published 1852
    Staff View
    ISSN:
    0031-7985
    Topics:
    Classical Studies
    URL:
    http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:0215-1852-007-00-000062

    Articles: DFG German National Licenses
  20. 20
    Michaelis, H. C.

    Berlin, etc. : Periodicals Archive Online (PAO)
    Published 1853
    Staff View
    ISSN:
    0031-7985
    Topics:
    Classical Studies
    URL:
    http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:0215-1853-008-00-000064

    Articles: DFG German National Licenses