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  • 2015-2019  (4,516)
  • 1990-1994  (1,875)
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  • 1
    Call number: IASS 19.93210
    Type of Medium: Monograph available for loan
    Pages: 145 Seiten , graphische Darstellungen
    Edition: first published in English in 2019
    ISBN: 9781771134071 , 9781771134088 (electronic; ePub) , 9781771134095 (electronic; PDF)
    Uniform Title: Die Konsultative : Mehr Demokratie durch Bürgerbeteiligung
    Language: English
    Branch Library: RIFS Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Oxford : Environmental Change Unit
    Call number: PIK N 075-07-0034
    Type of Medium: Monograph available for loan
    Pages: XVI, 224 S. : graph. Darst
    ISBN: 1874370028
    Series Statement: Research report : Environmental Change Unit, University of Oxford 2
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    Heidelberg : Spektrum
    Call number: PIK N 077-94-0077
    Type of Medium: Monograph available for loan
    Pages: 488 S.
    ISBN: 3860252089
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 4
    Call number: SR 90.0002(1524)
    In: Professional paper
    Type of Medium: Series available for loan
    Pages: III, 42 S. + 2 pl.
    Series Statement: U.S. Geological Survey professional paper 1524
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 5
    Keywords: terrestrial analogues ; gully ; gully formation ; Mars
    Description / Table of Contents: Martian gullies and their Earth analogues: introduction / Susan J. Conway, Tjalling de Haas, Tanya N. Harrison, Paul A. Carling and Jonathan Carrivick / Geological Society, London, Special Publications, 467, 1-6, 7 December 2018, https://doi.org/10.1144/SP467.15 --- Martian gullies: a comprehensive review of observations, mechanisms and insights from Earth analogues / Susan J. Conway, Tjalling de Haas and Tanya N. Harrison / Geological Society, London, Special Publications, 467, 7-66, 25 October 2018, https://doi.org/10.1144/SP467.14 --- Martian remote sensing --- The formation of gullies on Mars today / Colin M. Dundas, Alfred S. McEwen, Serina Diniega, Candice J. Hansen, Shane Byrne and Jim N. McElwaine / Geological Society, London, Special Publications, 467, 67-94, 27 November 2017, https://doi.org/10.1144/SP467.5 --- Dune-slope activity due to frost and wind throughout the north polar erg, Mars / Serina Diniega, Candice J. Hansen, Amanda Allen, Nathan Grigsby, Zheyu Li, Tyler Perez and Matthew Chojnacki / Geological Society, London, Special Publications, 467, 95-114, 27 November 2017, https://doi.org/10.1144/SP467.6 --- Morphological characterization of landforms produced by springtime seasonal activity on Russell Crater megadune, Mars / Gwenaël Jouannic, Susan J. Conway, Julien Gargani, François Costard, Marion Massé, Olivier Bourgeois, John Carter, Frédéric Schmidt, Chiara Marmo, Gian G. Ori, Marion Nachon and Kelly Pasquon / Geological Society, London, Special Publications, 467, 115-144, 29 October 2018, https://doi.org/10.1144/SP467.16 --- Are different Martian gully morphologies due to different processes on the Kaiser dune field? / Kelly Pasquon, Julien Gargani, Marion Nachon, Susan J. Conway, Marion Massé, Gwenaël Jouannic, Matthew R. Balme, François Costard and Mathieu Vincendon / Geological Society, London, Special Publications, 467, 145-164, 18 July 2018, https://doi.org/10.1144/SP467.13 --- Time will tell: temporal evolution of Martian gullies and palaeoclimatic implications / T. de Haas, S. J. Conway, F. E. G. Butcher, J. Levy, P. M. Grindrod, T. A. Goudge and M. R. Balme / Geological Society, London, Special Publications, 467, 165-186, 27 November 2017, https://doi.org/10.1144/SP467.1 --- New slope-normalized global gully density and orientation maps for Mars / S. J. Conway, T. N. Harrison, R. J. Soare, A. W. Britton and L. J. Steele / Geological Society, London, Special Publications, 467, 187-197, 27 November 2017, https://doi.org/10.1144/SP467.3 --- Thermal inertia variations from gully and mass-wasting activity in Gasa crater, Mars / Tanya N. Harrison, Livio L. Tornabene, Gordon R. Osinski and Susan J. Conway / Geological Society, London, Special Publications, 467, 199-210, 4 December 2017, https://doi.org/10.1144/SP467.8 --- Periglacial complexes and the deductive evidence of ‘wet’-flows at the Hale impact crater, Mars / R. J. Soare, S. J. Conway, C. Gallagher, J. M. Dohm and D. Reiss / Geological Society, London, Special Publications, 467, 211-231, 6 March 2018, https://doi.org/10.1144/SP467.7 --- Geomorphological analysis of gullies on the central peak of Lyot Crater, Mars / Virginia C. Gulick, Natalie Glines, Shawn Hart and Patrick Freeman / Geological Society, London, Special Publications, 467, 233-265, 5 December 2018, https://doi.org/10.1144/SP467.17 --- Earth analogues --- Debris flows and water tracks in northern Victoria Land, continental East Antarctica: a new terrestrial analogue site for gullies and recurrent slope lineae on Mars / E. Hauber, C. Sassenroth, J.-P. de Vera, N. Schmitz, R. Jaumann, D. Reiss, H. Hiesinger and A. Johnsson / Geological Society, London, Special Publications, 467, 267-287, 3 April 2018, https://doi.org/10.1144/SP467.12 --- Gully formation in the McMurdo Dry Valleys, Antarctica: multiple sources of water, temporal sequence and relative importance in gully erosion and deposition processes / James L. Dickson, James W. Head, Joseph S. Levy, Gareth A. Morgan and David R. Marchant / Geological Society, London, Special Publications, 467, 289-314, 4 December 2017, https://doi.org/10.1144/SP467.4 --- Gullies and debris-flows in Ladakh Himalaya, India: a potential Martian analogue / Rishitosh K. Sinha, S. Vijayan, Anil D. Shukla, Priyabrata Das and Falguni Bhattacharya / Geological Society, London, Special Publications, 467, 315-342, 7 February 2018, https://doi.org/10.1144/SP467.9 --- Laboratory simulations --- CO2 sublimation in Martian gullies: laboratory experiments at varied slope angle and regolith grain sizes / Matthew E. Sylvest, John C. Dixon, Susan J. Conway, Manish R. Patel, Jim N. McElwaine, Axel Hagermann and Adam Barnes / Geological Society, London, Special Publications, 467, 343-371, 26 February 2018, https://doi.org/10.1144/SP467.11 --- Downslope sediment transport by boiling liquid water under Mars-like conditions: experiments and potential implications for Martian gullies / Clémence Herny, Susan J. Conway, Jan Raack, Sabrina Carpy, Tanguy Colleu-Banse and Manish R. Patel / Geological Society, London, Special Publications, 467, 373-410, 6 February 2018, https://doi.org/10.1144/SP467.10 --- An experimental investigation into Martian gully formation: a slush-flow model / Katherine S. Auld and John C. Dixon / Geological Society, London, Special Publications, 467, 411-424, 27 November 2017, https://doi.org/10.1144/SP467.2
    Pages: Online-Ressource (VI, 434 Seiten) , Illustrationen, Diagramme
    ISBN: 9781786203625
    Language: English
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Sexual plant reproduction 3 (1990), S. 187-194 
    ISSN: 1432-2145
    Keywords: Pollen tube apical zonation ; Actin cytoskeleton ; Organelle movement ; Tip growth mechanism ; Epilobium angustifolium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In the apical 10–20 μm of actively extending pollen tubes of Epilobium angustifolium, in a zone where the polysaccharide-containing wall precursor bodies (P-particles) dominate and where their movements on superficial observation seem to be random, there is in fact a concerted flux, acropetal movement taking place along the flanks of the tip zone, with a basipetal return flow along the centre. Detailed tracking of individuals shows that lipid globuli (diameters up to 1.5 μm) and amyloplasts (dimensions up to 5.5 × 2.5 μm) follow similar patterns of movement, but are sorted out in the sub-apical region, the smaller bodies penetrating further towards the apex. The findings are interpreted as indicating that the well-documented apical zonation of the pollen tube is maintained in the fluid circumstances of the growing tube by the filtering of cytoplasmic inclusions through the actin cytoskeleton, which, in conformity with recent fine-structural and other observations, is envisaged as consisting of a network of cross-linked microfilaments and microfilament aggregates at the tube tip giving place progressively to a system of more ordered, longitudinally oriented fibrils in the older parts of the tube. The implications for the operation of the actomyosin motility system and the tip growth mechanism are discussed.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-2145
    Keywords: Pollen tube apical zonation ; Actin cytoskeleton ; TRITC-staining ; Microwave stabilisation ; Narcissus pseudonarcissus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The disposition of the actin cytoskeleton in pollen tubes of Narcissus pseudonarcissus has been investigated using microwave-accelerated DMSO-permeabilisation and TRITC-phalloidin (Tr-Ph) staining. Extending tubes were transferred from growth medium into a calcium-free medium containing 1 μg ml−1 Tr-Ph and 5% DMSO. After 10 s irradiation in a 500 W microwave oven, when the temperature in the sample was estimated at 52° C, some two-thirds of the tubes retained essentially normal apical zonation; in the remainder the cytoplasm was coarsely granular, and the zonation had been lost. Optimal Tr-Ph staining of the actin cytoskeleton was obtained about 1 h after irradiation. In the most favourable cases, the transition from a longitudinally oriented system of fine fibrils in the sub-apical region to a mass of shorter fibrils in the centre of the apex could be traced, with a peripheral population of more extended fibrils continuing further along the forming wall towards the growing point. This organisation can be reconciled with that revealed in recent fine-structural studies of the microfilament system of the pollen tube apex using freeze-substitution. The relationship of the system with the pattern of movement observed in the apical region of the living tube and with the probable mechanism of tip growth is briefly discussed.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-2145
    Keywords: Pollen-tube structure ; Intracellular movement ; Tip-growth mechanism ; Cytochalasin effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The cytochalasins, known as inhibitors of various processes involving motility in plant and animal cells, induce far-reaching structural changes in the cytoplasm and walls of pollen tubes without destroying the capacity for subsequent growth in normal media. The fine structure of tubes of Endymion non-scriptus modified by cytochalasin D suggests that the changes all stem directly or indirectly from the interruption of the longrange cyclosis along the tube axis, which is sustained throughout the period of normal growth. The elimination of this movement breaks down the the pattern of flow responsible for the sorting-out process that maintains the characteristic zonation of organelles and other inclusions at the apex of the extending tube, and leads gradually to re-distribution of the vacuoles and membranes in the vegetative cell, the disposition of which is normally correlated with the longitudinally oriented flow pathways. Random local migrations of organelles and other inclusions of greater amplitude than is to be expected from Brownian movement continue in the tubes in the presence of cytochalasin D, indicating that the motility system is not wholly destroyed. Following the interruption of concerted axial movement, the polysaccharide wall-precursor bodies (P-particles), normally inserted into the wall mainly in the apical part of the tube during tip growth, gradually become dispersed throughout the tube and are incorporated in the wall at random, entering even into the intine of the parent pollen grain.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Sexual plant reproduction 5 (1992), S. 247-255 
    ISSN: 1432-2145
    Keywords: Wheat ; Triticum aestivum ; Pollen germinability ; Intracellular movement ; Actin cytoskeleton ; Effects of dehydration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The tricellular pollen of wheat germinates rapidly on a receptive stigma without the often protracted activation period characteristic of bicellular pollens. This is associated with a high level of hydration in the mature pollen and the absence of a dormancy period. Intracellular movement of organelles continues throughout development; in the mature pollen along pathways related both to the aperture site and the distribution of the amyloplasts in the vegetative cell. The movement pathways reflect the organisation of the actin cytoskeleton, elements of which are already focused upon the germination site at the time of dispersal, a disposition only achieved during rehydration and activation in bicellular pollens. Dehydration after dispersal rapidly arrests movement, disrupts the actin cytoskeleton and leads to loss of germinability. These effects are irreversible, again in contrast to the situation found in bicellular pollens such as those of the Liliaceae, species of which have been shown to be capable of withstanding several cycles of hydration and dehydration while still retaining some capacity for germination.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of sol gel science and technology 2 (1994), S. 295-299 
    ISSN: 1573-4846
    Keywords: indium oxide ; particle morphology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract This paper discusses the formation of colloidal metal oxide modifications from indium aqueous salt solutions. The preparation of spheres (ca. 1 µm), rectangular plates (ca. 20 to 1000×103 nm2), and monodispersed primary particles (ca. 2–5nm) of indium (III) oxide are described. Colloidal materials such as these have potential application as pigments, catalysts, catalyst supports, coatings and fillers etc. An understanding of the factors which control particle morphology and surface chemistry will enable the development of indium oxide technology.
    Type of Medium: Electronic Resource
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