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  • 1
    Electronic Resource
    Electronic Resource
    A Controlled Investigation into the Measurement Properties of Two Circumferential Penile Strain Gauges (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Psychophysiology 22 (1985), S. 0 
    Details
    ISSN: 1469-8986
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: A Barlow-type electromechanical strain gauge and an indium/gallium-in-rubber strain gauge were compared for linearity of output, replicability, stability, and sensitivity to temperature changes. Distension of the strain gauges was achieved by placing them on standard size glass dilators, while temperature changes were produced and monitored in a controlled environment. Both gauges demonstrated comparable and very linear outputs and both had high test-retest reliability. Variations in temperature affected the outputs for both gauges, although for neither did they affect the degree of linearity between pen deflection and circumference. The electromechanical strain gauge was marginally less sensitive to temperature changes than the indium/gallium gauge, although for neither was the degree of error introduced of great practical significance. Although the output from the electromechanical strain gauge was slightly less stable over time than that from the indium/gallium gauge, when all variables were considered, the former gauge was marginally preferred over the latter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1469-8986.1985.tb01653.x
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    RANDOM ASSIGNMENT TO TREATMENT GROUPS: (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Criminology 17 (1979), S. 0 
    Details
    ISSN: 1745-9125
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Law
    Notes: A persistent problem in evaluation research relates to the difficulty of using true experimental designs. In particular, random assignment of subjects to treatment groups is both very important to insure the internal validity of the design and very difficult to implement due to logistical and ethical aspects of field research. This paper reports on a strategy for randomization which was adapted to judicial research: specifically to the evaluation of o program for adjudicating minor traffic offenders. It is demonstrated that through careful planning and coordination, designs involving random assignment can be instituted without involving significant difficulties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-9125.1979.tb01289.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Regulation of spvR, the positive regulatory gene of Salmonella plasmid virulence genes (1994)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 116 (1994), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The regulation of the spvR promoter from the Salmonella dublin virulence plasmid was monitored using proter-reporter gene fusion constructs. Activity was dependent upon the presence of the spv region and was affected by the number of copies of the spv region present with the cell. Activity remained constant throughout exponential growth, and increased rapidly with the onset of stationary phase, under both aerobic and anaerobic conditions. Additionally, the level of spvR expression was controlled by the availability of iron, activity being greatest under low iron conditions in stationary phase. The spvA gene product negatively regulated spvR expression in a dose-dependent manner, indicating that SpvA provides a negative feedback mechanism for this operon.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1994.tb06684.x
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    Paper (German National Licenses)
    Fulltext
  • 4
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    Bathymetry of Southeast Greenland From Oceans Melting Greenland (OMG) Data (2019)
    AGU (American Geophysical Union) | Wiley
    In:  Geophysical Research Letters, 46 (20). pp. 11197-11205.
    Details
    Publication Date: 2022-01-31
    Description: Southeast Greenland has been a major participant in the ice sheet mass loss over the last several decades. Interpreting the evolution of glacier fronts requires information about their depth below sea level and ocean thermal forcing, which are incompletely known in the region. Here, we combine airborne gravity and multibeam echo sounding data from the National Aeronautics and Space Administration's Oceans Melting Greenland (OMG) mission with ocean probe and fishing boat depth data to reconstruct the bathymetry extending from the glacier margins to the edges of the continental shelf. We perform a three‐dimensional inversion of the gravity data over water and merge the solution with a mass conservation reconstruction of bed topography over land. In contrast with other parts of Greenland, we find few deep troughs connecting the glaciers to the sources of warm Atlantic Water, amidst a relatively uniform, shallow (350 m) continental shelf. The deep channels include the Kangerlugssuaq, Sermilik, Gyldenløve, and Tingmiarmiut Troughs.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/2019GL083953
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
    facet.materialart.
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    Retreat of Humboldt Gletscher, North Greenland, Driven by Undercutting From a Warmer Ocean (2021)
    AGU (American Geophysical Union) | Wiley
    Details
    Publication Date: 2024-02-07
    Description: Humboldt Gletscher is a 100‐km wide, slow‐moving glacier in north Greenland which holds a 19‐cm global sea level equivalent. Humboldt has been the fourth largest contributor to sea level rise since 1972 but the cause of its mass loss has not been elucidated. Multi‐beam echo sounding data collected in 2019 indicate a seabed 200 m deeper than previously known. Conductivity temperature depth data reveal the presence of warm water of Atlantic origin at 0°C at the glacier front and a warming of the ocean waters by 0.9 ± 0.1°C since 1962. Using an ocean model, we reconstruct grounded ice undercutting by the ocean, combine it with calculated retreat caused by ice thinning to floatation, and are able to fully explain the observed retreat. Two thirds of the retreat are caused by undercutting of grounded ice, which is a physical process not included in most ice sheet models.
    Type: Article , PeerReviewed
    Format: text
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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