24 research outputs found

    Regenerative cooling design and analysis computer program

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    Program evaluates influences of heat transfer, stress, and cycle life. Coolant passages may be tubes or channels, with or without gas-side wall coating. Program options include two-dimensional thermal analysis model of tube or channel cross-section using relaxation technique with variable number of nodes

    Prevalence, severity and correlates of psychological morbidity among methadone maintenance clients

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    A sample of 222 methadone maintenance clients was tested for levels of depression, anxiety, and anti-social personality disorder. The prevalence of each type of psychopathology was high. There were large proportions of subjects exhibiting extremely severe depression, anxiety and a majority were classified as ''psychiatric cases''. Depression and anxiety were strongly related, but anti-social behaviour was unrelated to personal distress. Personal distress levels were predicted by benzodiazepine use, poorer social functioning and poorer health. Anti-social personality disorder was predicted by younger age, being male, poorer social functioning, and current criminality

    Methadone maintenance and the human immunodeficiency virus: current issues in treatment and research

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    This paper examines the changes that have occurred in methadone maintenance programmes in response to the advent of HIV and the adoption of harm minimization policies, and the implications of these changes for research. A need for the use of more rigorous research methods is identified and recommendations are made that take into account both the ethical and practical difficulties of conducting research in this area. Both old, unanswered questions that have resurfaced with the recent massive growth in methadone programmes in some countries, and new questions that need to be answered in order to improve the effectiveness of methadone maintenance in the fight against HIV infection are identified as future areas in need of research
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