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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Calcified tissue international 14 (1974), S. 283-289 
    ISSN: 1432-0827
    Keywords: Sodium fluoride ; Osteoporosis ; Bone ; Strength ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Description / Table of Contents: Résumé L'utilisation thérapeutique de fluorure de sodium a été recommandée dans le traitement de diverses maladies osseuses ostéopéniques. Cet emploi est basé principalement sur les effects ostéosclérotiques bien connus du fluorure de sodium, mais on connait mal son effet sur la force de résistance osseuse. L'influence de diverses concentrations de fluorure de sodium sur la force de résistance osseuse de jeunes rats soumis à des régimes riches et pauvres en calcium a été étudiée. L'administration de fluorure de sodium augmente le diamètre osseux, indiquant une stimulation de la formation de l'os périosté, mais la force de résistance osseuse est réduite ou non modifiée par l'ingestion de fluor.
    Abstract: Zusammenfassung Die therapeutische Verwendung von Natriumfluorid ist für eine Anzahl von Knochenmangel-Krankheiten empfohlen worden. Die Empfehlungen basieren hauptsächlich auf den bekannten osteosklerotischen Wirkungen von Natriumfluorid; über dessen Effekt auf die Knochenstärke ist wenig bekannt. In dieser Arbeit wurde der Einfluß verschiedener Konzentrationen von Natriumfluorid auf die Knochenstärken von wachsenden Ratten mit hoher und niederer Calciumeinnahme untersucht. Die Verabreichung von Natriumfluorid erhöhte den Knochendurchmesser, was auf eine Stimulierung der Periostbildung hinwies, die Knochenstärke wurde jedoch durch Fluorideinnahme herabgesetzt oder nicht beeinflußt.
    Notes: Abstract The therapeutic use of sodium fluoride has been recommended in a variety of osteopenic bone diseases. The recommendations are based mainly on the known osteosclerotic effects of sodium fluoride and little information is available as to its effect on bone strength. The influence of various concentrations of sodium fluoride on bone strength in growing rats on high and low calcium diets was studied. The administration of sodium fluoride increased bone diameter, indicating stimulation of periosteal bone formation, but bone strength was reduced or not affected by fluoride ingestion.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Group decision and negotiation 4 (1995), S. 273-286 
    ISSN: 1572-9907
    Keywords: distributed group support systems ; distance education ; training
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract Distributed Group Support Systems (DGSS) provide a means for several individuals to interact with one another from different geographic locations using telecommunications and Group Support Systems (GSS) technologies. As this technology emerges, new applications will be sought to utilize the tremendous capabilities for long distance interaction and communication. One potential application of DGSS is its use in the delivery of Distance Education. Distance Education (DE) involves the delivery of education (or training) from one site to one (or more) geographically dispersed sites. The capability of DGSS to add an additional communications channel, one by which all students could interact with one another at the same time, provides an exciting array of opportunities for the application of DGSS. This article explores ways in which DGSS could be utilized to improve the delivery of education and training to dispersed locations. Background information of GSS and DE are provided Results of a case, study in which a fiber optic cable network was used for delivering a DE class on Information Systems are briefly highlighted, along with suggestions for future research in this area.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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