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  • 1970-1974  (10)
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 39 (1974), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 39 (1974), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 37 (1972), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 3 (1970), S. 305-313 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: A computer program, written in Whetstone Algol, is described for handling the arithmetical operations involved in a precision method of determining lattice spacings from Kossel diffraction patterns. The interpretation treats the Kossel pattern as a three-dimensional array of intersecting cones with a common vertex and depends on the fact that when three or more positions of a cone generator are established, its axis and semivertex angle are defined. The theory and experimental requirements of the method are outlined and the functions of the steps in the computer program are described. The full program, together with data sheets and print-out of results for a typical calculation is available on request. A subsidiary program is also available to provide a graphical display of relevant parts of the results.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 4 (1971), S. 232-240 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: A single exposure method is described for the calculation of lattice spacings and crystal orientation, from Kossel diffraction patterns. This method is extremely simple from an experimental viewpoint since the only data required are the coordinates of five or more points on each Kossel diffraction curve in an arbitrary orthogonal system and the wavelength of the characteristic X-ray radiation forming the pattern. The method requires the analysis of at least two diffraction curves which can be either elliptical or hyperbolic. The equation of each curve is first derived in the arbitrary system. It is then transformed to a coordinate system in which the coefficients may be equated with those of an equation of the same curve derived in terms of the lattice spacing, the orientation of the crystal planes responsible for the diffraction cone and the X-ray wavelength. The lattice spacings and the directions of the crystal plane normals are calculated. A computer program has been written to handle the lengthy arithmetical operations required for the analysis, and application of the method to a Kossel pattern from a single grain of Swedish iron is described.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Contributions to mineralogy and petrology 45 (1974), S. 215-230 
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The mineralogy, petrology and Rb-Sr isotope compositions of muscovite granite sills and associated pegmatites from the Barousse Massif, Central Pyrenees, are described. The petrogenesis of the granites is discussed with respect to their structure, mineral assemblages, mineral compositions and initial 87Sr/86Sr ratio. It is concluded that the muscovite granite sills have been intruded as magma, formed from the partial melting of continental crust at 276 million years. Progressive crystallisation of the siliceous magma has concentrated the aqueous phase in the remaining melt, and the associated pegmatites are the final expression of the crystallising intrusion.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Planta 104 (1972), S. 201-209 
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Changes in the fine structure of flax (Linum usitatissimum) cotyledon leaf cells treated with the herbicide paraquat (1,1′-dimethyl-4,4′-bipyridylium ion.) were investigated. After 6 h treatment under constant illumination, tonoplast breakdown was evident. This was followed by a rapid and progressive deterioration of cell contents including the disruption of mitochondria, and the breakdown of chloroplast thylakoid membrane structure with the accumulation of osmiophilic plastoglobuli. There was no apparent deterioration after 18 h paraquat treatment in darkness but by 30 h there was a limited breakdown of chloroplast membranes.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Planta 104 (1972), S. 210-219 
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Some of the physiological and biochemical changes which were found to occur during paraquat (1,1′-dimethyl-4,4′-bipyridylium ion) treatment of cotyledon leaves of Linium usitatissimum, are reported. Results showed an inhibition of photosynthetic CO2 uptake and electron flow of isolated chloroplasts. An increase in membrane permeability, changes in the level of the major lipid components and of malondialdehyde. These are correlated with ultrastructural changes and the discussion includes a proposed mode of action for the herbicides.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Higher education 1 (1972), S. 245-249 
    ISSN: 1573-174X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Nature of Science, Research, Systems of Higher Education, Museum Science
    Description / Table of Contents: Résumé Des services rassemblant les moyens techniques d'enseignement, ainsi que des centres audio-visuels ou télévisuels ont été créés dans de nombreuses universités anglaises ces dernières années. Ils ont suscité des réactions différentes de la part du milieu universitaire et, de ce fait, des formes d'organisation différentes sont apparues. L'article vise à décrire l'organisation et la gamme des services qui se rencontrent en cette matière à l'Université de Bath. Le Service des moyens pédagogiques est né de l'intégration de plusieurs services indépendants qui existaient au sein de l'Université: services de projection, de télévision, un groupe de l'Institut d'éducation etc. Les relations avec le Conseil sont assurées par un comité responsable de la marche générale des services; le sérieux de l'entreprise est garanti par la nomination comme directeur d'une personalité membre du corps universitaire; la publication d'un bulletin intérieur fournit un moyen de communication avec l'ensemble des universitaires. Des séminaires consacrés à l'analyse et à l'élaboration des filières d'études, aux méthodes d'évaluation des résultats et autres sujets semblables sont animés par des spécialistes invités et procurent une aide théorique aux services d'exécution technique. Un aspect important de l'activité du Service réside dans la coopération et la coordination avec la nouvelle bibliothèque de l'Université qui a été concue pour diffuser l'information, que celle-ci soit livrescue ou non. Le professeur Austwick est président du Comité pour la technologie de l'enseigement et M. Harris est directeur du Service des techniques d'enseignement à l'Université de Bath.
    Notes: Abstract Educational technology units, audio-visual aids centres or television services have been established in many British Universities during the present quinquennium. These have met with varied responses from academics, and several organizational patterns have emerged. This article sets out to describe the organizational structure and the range of services offered by the Educational Services in the University of Bath. The Service grew out of the amalgamation of several discrete and independent provisions within the University—projection services, a City-University television service, a unit in the School of Education and so on. “Across the board” involvement is achieved via a Senate Committee responsible for overall direction, credibility is established by the appointment of an existing academic staff member as director, and an internal bulletin provides the core of a communications system with the academics. Staff seminars on curriculum analysis and development, methods of evaluation and so on, backed up by occasional visiting speakers, provide theoretical backup to the practical and hardware services. An important aspect of the work of the Service is co-operation and co-ordination with the new University Library which has been designed to provide both book and “non-book” information services. Professor Austwick is the Chairman of the Senate Committee on Educational Technology, and Mr. Harris is the Director of Educational Services in the University.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 9 (1974), S. 1211-1213 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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