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  • 1
    Electronic Resource
    Electronic Resource
    TEXRAYTM CCD detectors : The 9th National conference on synchrotron radiation instrumentation (1996)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 67 (1996), S. 3361-3361 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We have designed and built TEXRAYTM CCD detectors with properties suitable for single-crystal data collection on both small molecules and macromolecules. Characterization and use of 70 mm×70 mm and 140 mm×140 mm aperture detectors will be discussed in the context of the synchrotron source. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1147505
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  • 2
    Electronic Resource
    Electronic Resource
    A reply (1998)
    Oxford : Blackwell Science Ltd
    Anaesthesia 53 (1998), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.1998.0716o.x
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  • 3
    Electronic Resource
    Electronic Resource
    The addition of tenoxicam to prilocaine for intravenous regional anaesthesia (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 51 (1996), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The analgesic effects of tenoxicam 20 mg added to prilocaine in a standard Bier's block (group 2) was studied in 45 patients who had their Colles’fractures reduced under intravenous regional anaesthesia, and compared both to a control group (group 1), and to a group who received a standard Bier's block combined with the same dose of tenoxicam given intravenously into the contralateral arm (group 3). Patients in group 2 obtained significantly better analgesia than group 1, as judged by a longer time before first additional analgesia was required (p 〈 0.05), less total analgesic consumption (p 〈 0.01), and lower pain scores (p 〈 0.01). These benefits were not obtained by patients in group 3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1996.tb07789.x
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  • 4
    Electronic Resource
    Electronic Resource
    X-ray phase-amplitude contrast mapping of single-crystal alloys near the absorption edge of the alloy impurity (1998)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 84 (1998), S. 4815-4821 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: An experimental–analytical method for the nondestructive structural and chemical composition mapping of single-crystal alloys is proposed, implemented, and successfully tested. The technique is based on analytical measurements of phase and amplitude changes in a narrow polychromatic region near the absorption edge of the alloy impurity. Synchrotron radiation energies of 11.096–11.105 keV were used to measure the Bragg diffraction profiles near the absorption edge of germanium at 11.103 keV in SiGe/Si crystal alloy superstructures. Physical dimensions and chemical composition of SiGe alloys were determined with a spatial resolution 8.6 Å. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.368723
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  • 5
    Electronic Resource
    Electronic Resource
    Testing of adult and paediatric ventilators for use in a magnetic resonance imaging unit (1999)
    Oxford : Blackwell Science Ltd
    Anaesthesia 54 (1999), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We have assessed the performance of a series of ventilators (modified versions of the ventiPAC, paraPAC and babyPAC ventilators; SIMS pneuPAC Ltd, Luton, UK) in a magnetic resonance imaging (MRI) scanning environment, with MR safety and compatibility issues being addressed. Following initial modifications to remove ferromagnetic components and replace them with MR-safe materials, all three ventilators performed well in a series of tests in static magnetic fields up to 2 T. Ventilator performance was unaffected by static fields, switching gradients or radio frequency fields within the MR suite. Furthermore, the devices produced no degradation of image quality when used during MR scanning. We discuss management strategies for the care of critically ill ventilated patients during MR procedures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.1999.01009.x
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  • 6
    Electronic Resource
    Electronic Resource
    A comparison of prophylactic ondansetron and metoclopramide administration in patients undergoing major neurosurgical procedures (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 51 (1996), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In a prospective, randomised, double-blind trial, we assessed the relative efficacy of prophylactic ondansetron and metoclopramide administration in the reduction of postoperative nausea and vomiting in 60 patients undergoing routine major neurosurgical procedures. The patients were randomly allocated into one of two groups. Both groups received a standardised anaesthetic. When the dura mater was closed, patients in group A received an intravenous injection of metoclopramide 10 mg whilst group B received ondansetron 8 mg intravenously. Patients who received metoclopramide experienced less postoperative nausea and vomiting than those who received ondansetron in the 48 h following surgery (17 (56%) versus 9 (30%) p = 0.038). In the light of these findings, we believe that ondansetron is an inappropriate agent for the prevention of postoperative nausea and vomiting in the neurosurgical population.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1996.tb15060.x
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  • 7
    Electronic Resource
    Electronic Resource
    Convection warmers — not just hot air (1997)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 52 (1997), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We sought to determine whether the forced air convection warmers (nine Bair Huggers, Augustine Medical, and one Warm Touch, Mallinkrodt Medical) used in our operating theatres could be a source of microbial pathogens. Agar plates were placed directly in the air stream of the warmers. Four of these grew potentially pathogenic organisms. When the warmers were set to blow through perforated blankets, no growth occurred. Three of the warmers were swabbed and sites of colonisation were found in their hoses. After fixing a microbial filter to the end of the hose, organisms were no longer detectable. We conclude that these warming devices are a potential source of nosocomial infection. They should only be used in conjunction with perforated blankets, should have their microbial filters changed regularly and their hoses sterilised. The inclusion of a microbial filter into the nozzle of the hose could be incorporated into the design of the warmer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1997.250-az0384.x
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  • 8
    Electronic Resource
    Electronic Resource
    Controlled breeding studies to verify the identity of roach and common bream hybrids from a natural population (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 51 (1997), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The occurrence of post-F1 generation hybrids between common bream and roach in natural populations has still to be qualified. To do this, common bream, roach, F1 and F2 hybrid progeny were produced under controlled conditions. All progeny groups exhibited overlaps in the ranges of their meristic characters. Discriminant analysis of meristic data combined with allozymes allowed identification of post-Fl hybrids. Enzyme electrophoresis showed Fl progeny to be heterozygous at diagnostic loci. Back-crossed F2 progeny had a mixture of homozygosity and heterozygosity at diagnostic loci. Meristic and genetic analysis of fish from a natural population indicated that they were all F1 hybrids. Post-Fl hybridization cannot be ruled out from natural populations because Fl hybrids are known to be fertile. It is suggested that post-Fl hybrids were not detected either because of their low incidence of occurrence or due to biological phenomenon Such as inferior fitness.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1997.tb01991.x
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  • 9
    Electronic Resource
    Electronic Resource
    An ultrahigh-vacuum chamber for surface X-ray diffraction (1998)
    Chester : International Union of Crystallography (IUCr)
    Journal of synchrotron radiation 5 (1998), S. 890-892 
    Details
    ISSN: 1600-5775
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: An ultrahigh-vacuum environmental chamber for surface X-ray diffraction on Station 9.4 at the Synchrotron Radiation Source, Daresbury Laboratory, is described. Film growth can be monitored by simultaneously recording the Auger signal and the X-ray intensity at a particular point in reciprocal space. Such in situ measurements are essential for understanding the dynamic processes that occur during adsorption. An example is given in which the specularly reflected X-ray signal is correlated with Auger plots, during growth of Tl on Cu(001). In addition, the diffractometer and chamber combination allow large reconstructions to be investigated as shown by the in-plane structural analysis of the c(4×4) InSb surface. A study of the layer structure of Cr on Ag(001), in which an extended out-of-plane detector assembly was used, is also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0909049597015550
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  • 10
    Electronic Resource
    Electronic Resource
    Local refinement of three-dimensional finite element meshes (1997)
    Springer
    Engineering with computers 13 (1997), S. 165-174 
    Details
    ISSN: 1435-5663
    Keywords: Mesh refinement ; Mixed element meshes ; Unstructured meshes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Notes: Abstract Mesh refinement is an important tool for editing finite element meshes in order to increase the accuracy of the solution. Refinement is performed in an iterative procedure in which a solution is found, error estimates are calculated, and elements in regions of high error are refined. This process is repeated until the desired accuracy is obtained. Much research has been done on mesh refinement. Research has been focused on two-dimensional meshes and three-dimensional tetrahedral meshes ([1] Ning et al. (1993) Finite Elements in Analysis and Design, 13, 299–318; [2] Rivara, M. (1991) Journal of Computational and Applied Mathematics 36, 79–89; [3] Kallinderis; Vijayar (1993) AIAA Journal,31, 8, 1440–1447; [4] Finite Element Meshes in Analysis and Design,20, 47–70). Some research has been done on three-dimensional hexahedral meshes ([5] Schneiders; Debye (1995) Proceedings IMA Workshop on Modelling, Mesh Generation and Adaptive Numerical Methods for Partial Differential Equations). However, little if any research has been conducted on a refinement algorithm that is general enough to be used with a mesh composed of any three-dimensional element (hexahedra, wedges, pyramids, and/or retrahedra) or any combination of three-dimensional elements (for example, a mesh composed of part hexahedra and part wedges). This paper presents an algorithm for refinement of three-dimensional finite element meshes that is general enough to refine a mesh composed of any combination of the standard three-dimensional element types.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01221213
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