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  • 1
    Electronic Resource
    Electronic Resource
    A new method for uncoiling knots in angiographic tubing (1980)
    Springer
    Neuroradiology 20 (1980), S. 197-201 
    Details
    ISSN: 1432-1920
    Keywords: Catheterization complications ; Angiographic complications ; Catheters ; Guidewires ; Cerebral angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Techniques for uncoiling knots formed in catheters during angiography have been the subject of several previous reports. A new technique for catheter unknotting is presented, based on the use of graded flexibility guidewires. The application of this graded taper method appears particularly pertinent to uncoiling softer, narrow-caliber, adversely looped catheters. Moreover, the mechanisms of knot uncoiling in the previous reports are reassessed and their imprecisions corrected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00336683
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of an ultrashort prepulse on soft X-ray generation from an aluminium plasma produced by femtosecond Ti:Sapphire laser pulses (1996)
    Springer
    Applied physics 63 (1996), S. 107-111 
    Details
    ISSN: 1432-0649
    Keywords: 52.25.Nr ; 52.40.Nk ; 52.50.Jm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The influence of a prepulse on soft X-ray emission in the range of 50–200 Å from an aluminium plasma produced by 130 fs Ti: Sapphire laser pulses with an intensity of 1014 W/cm2 at normal incidence is studied. An ultrashort prepulse with an intensity of 1013 W/cm2 significantly enhances soft X-ray emission when there is a long time separation ( 〉 100 ps) between the prepulse and an intense main pulse. It is also observed for the first time that a prepulse with a short pulse time separation can slightly reduce soft X-ray emission, contrary to the previous work done using 248 nm laser pulses. This can be explained qualitatively in terms of the dependence of absorption on the length scale.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01095257
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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