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This book provides a user-friendly introduction to the qualitative
methods most commonly used in the mental health and psychotherapy
arena. * Chapters are written by leading researchers and the
editors are experienced qualitative researchers, clinical trainers,
and mental health practitioners * Provides chapter-by-chapter
guidance on conducting a qualitative study from across a range of
approaches * Offers guidance on how to review and appraise existing
qualitative literature, how to choose the most appropriate method,
and how to consider ethical issues * Demonstrates how specific
methods have been applied to questions in mental health research *
Uses examples drawn from recent research, including research with
service users, in mental health practice and in psychotherapy
|
Fortschritte der Chemie Organischer Naturstoffe/Progress in the Chemistry of Organic Natural Products/Progres dans la Chimie des Substances Organiques Naturel?es (English, French, German, Paperback, Softcover reprint of the original 1st ed. 1955)
George W. Beadle, A J Haagen-Smit, T G Halsall, F T Haxo, E R H Jones, …
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R1,642
Discovery Miles 16 420
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Ships in 10 - 15 working days
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Substances belonging to this group of organic compounds are wi,lely
distributed in Nature, being found in plants, both higher and lower
fungi and, upto the present time, in one animal source, sheep
wool-fat. For a long- time no real differentiation was possible
between the tetra- and penta- cyclic triterpenes and the sterols.
Then the two latter became disting- uishable by their selenium.
*dehydrogenation products, i. e. , picene and naphthalene
derivatives from the pentacyclic triterpenes and DIELS' hydrocarbon
from the sterols. It is now apparent that those compounds yielding
predominantly I: 2: 8-trimethylphenanthrene on dehydro- genation
represent yet another class, and this property is regarded as
typical of the tetracyclic triterpenes. The group contains both C
and C 30 3l compounds and, although the latter fall outside
RUZICKA'S strict definition of triterpenes (I42), it seems
desirable to permit this deviation. Members with thirty-two carbon
atoms may well be discovered in due course. In a most* valuable
account of the triterpenes written in I949, JEGER. (II3) was able
to summarize all that was known about the tetra- cyclic group in a
very small compass. Most of the work discussed in the present
article has been published during the last five years and in that
time the structures of some twenty compounds have been elucidated.
Of outstanding importance is the revelation of close structural
relation- ships tQ the steroids, and the presence of C and C
side-chains, skeletally 8 9 identical with those of cholesterol and
ergosterol.
This book provides a user-friendly introduction to the qualitative
methods most commonly used in the mental health and psychotherapy
arena. * Chapters are written by leading researchers and the
editors are experienced qualitative researchers, clinical trainers,
and mental health practitioners * Provides chapter-by-chapter
guidance on conducting a qualitative study from across a range of
approaches * Offers guidance on how to review and appraise existing
qualitative literature, how to choose the most appropriate method,
and how to consider ethical issues * Demonstrates how specific
methods have been applied to questions in mental health research *
Uses examples drawn from recent research, including research with
service users, in mental health practice and in psychotherapy
|
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