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  • 1
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In order to develop a method to detect low-level oxygen in thin silicon crystals by photoluminescence (PL), a radiative carbon–oxygen center (C center: 0.79 eV) is formed in silicon crystals through carbon introduction by ion implantation. The PL intensity of the C center of the implanted sample is significantly increased by annealing the sample at 1000 °C followed by electron irradiation. The possibility of detecting a low concentration of oxygen (below 1×1015 atoms/cm3) in a layer thinner than 1 μm thick is seen. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 1275-1277 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Y-Ba-Cu-O films were deposited on Al-coated Si substrates by the plasma-spray method. The Al buffer layer appears to be effective in yielding crack-free adhesive Y-Ba-Cu-O films. Resistance measurements indicate that the films exhibit a superconducting phase below 90 K. Results of x-ray microanalysis and x-ray photoelectron spectroscopy confirm that the Al buffer forms an Al2O3 layer and prevents precipitation of Cu at the film/substrate interface.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 99 (1992), S. 0 
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To assess the activity of a prepregnancy counselling clinic in terms of investigations, counselling, treatment and subsequent pregnancy outcome.Design Review of 1 075 couples attending over a nine year period.Setting University Hospital offering a tertiary referral service for fetal medicine.Subjects Couples referred to the clinic from a variety of sources.Main outcome measures Categories of referral, value of diagnostic tests, and subsequent pregnancy outcome.Results The main categories of referral were: previous miscarriage (44.4%); previous fetal abnormality (19.6%); chronic maternal disease (22.3%); and others (13.7%). Routine investigations produced a low yield of abnoramality (1 %), in contrast to investigations selected for specific reasons (12%). Subsequent pregnancy outcome, which was unaltered in either the previous miscarriage or fetal abnormality groups, did improve in the chronic maternal disease group.Conclusions This study does not prove the value of prepregnancy counselling. However, it does illustrate the importance of making an accurate assessment of previous problems and current health as a means of determining both maternal and fetal risks in a subsequent pregnancy, a process which seems to lead to an improved outcome within selected groups. The importance of continuity of care in all couples, especially when there has been a previous adverse pregnancy outcome is emphasized.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 70 (1997), S. 472-474 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report an experimental study of the optical properties of island layers resulting from molecular beam epitaxial deposition of Ge on Si(111) substrates. The combination of electroreflectance spectroscopy of the E1 transition and Raman scattering allows us to separately determine the strain and composition of the islands. For deposition at 500 °C a deposited layer of 1.36 nm of Ge assembles into 80 nm diameter islands 11 nm thick. The average Si impurity content in the islands is 2.5% while the average in-plane strain is 0.5%. Both strain and Si impurity content in islands decrease with increasing Ge deposition. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 44 (1989), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The M1 air crash provided an enormous challenge to the anaesthetic and intensive care services of the hospitals which admitted the survivors, many of whom had serious injuries. This account describes some of the problems which were encountered in two of the hospitals, details the workload imposed on the anaesthetists and the staff of the Intensive Therapy Units and identifies factors which, if improved, might advance the management of multiple casualties admitted from the scene of a major disaster.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 40 (1985), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The performance of a new combined infusion pump and central venous pressure monitor, the IV AC 560, has been evaluated in laboratory and clinical studies. The pump performed accurately and reliably, and the pressure readings obtained from the pump correlated well with conventional methods of pressure measurement, although they lost accuracy when using 50% dextrose at higher venous pressures.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 36 (1981), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 49 (1994), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This paper describes the design and initial testing of the ACCESS (Anaesthetic Computer Controlled Emergency Situation Simulator) system, which has been designed to simulate anaesthetic emergencies with the aim of providing training for junior doctors. The simulations require little or no capital expenditure with minimal use of time by staff or trainees. They are based on standard anaesthetic equipment, with a microcomputer providing an image of commonly used instruments. Problems are presented as scenarios administered by the teacher, and test the skills of the pupil. During 64 scenarios, five trainees caused two‘deaths’and solved the problems in a median time of2.5min, while an experienced group of anaesthetists caused one‘death’and took 1.8 min. The simulation was rated by the pupils as easy to use, realistic and a valuable educational tool.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 45 (1990), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: There must be a defined, predisposing condition to fulfil the criteria of brainstem death in the UK. A patient presented recently in coma and with absent brainstem reflexes, but no diagnosis was initially obvious. A subsequent diagnosis of Guillain–Barré syndrome was made, and the patient made a full recovery.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The aim of this study was to examine the performance of anaesthetists while managing simulated anaesthetic crises and to see whether their performance was improved by reviewing their own performances recorded on videotape. Thirty-two subjects from four hospitals were allocated randomly to one of two groups, with each subject completing five simulations in a single session. Individuals in the first group completed five simulations with only a short discussion between each simulation. Those in the second group were allowed to review their own performance on videotape between each of the simulations. Performance was measured by both ‘time to solve the problem’ and mental workload, using anaesthetic chart error as a secondary task. Those trainees exposed to videotape feedback had a shorter median ‘time to solve’ and a smaller decrease in chart error when compared to those not exposed to video feedback. However, the differences were not statistically significant, confirming the difficulties encountered by other groups in designing valid tests of the performance of anaesthetists.
    Type of Medium: Electronic Resource
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