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  • ELECTRONICS AND ELECTRICAL ENGINEERING  (3)
  • Dynamicin vitro testing of human muscle  (2)
  • 1980-1984  (2)
  • 1970-1974  (3)
Collection
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 12 (1974), S. 647-653 
    ISSN: 1741-0444
    Keywords: Dynamicin vitro testing of human muscle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Description / Table of Contents: Sommaire Des instruments servant à améliorer la validité des données de tests dynamiques obtenues sur des spécimens de muscles d'humains ont été développés. Dans la première partie de cet article, on donne l'acquis et on décrit un appareil permettant de monter et de fixer un petit spécimen de muscle afin de le rendre disponible aux expériences en moins d'une minute. La seconde partie décrit un instrument de contrôle de durée et de mise en séquence, capable de contrôler les stimulations mécaniques et électriques infligées au spécimen. Les déplacements mécaniques sont contrôlés par un type de servo mécanisme pouvant être entraîné par un magnétophone à fréquence modulée.
    Abstract: Zusammenfassung Zur Verbesserung der Bedeutung dynamischer Testdaten aus menschlichen Muskelproben wurden gewisse Apparate und Instrumente entwickelt. Im ersten Teil dieser Arbeit wird die Vorgeschichte aufgezeigt und ein Apparat zum Einspannen und Aufspannen beschrieben, mit dem kleine Muskelproben in weniger als einer Minute für die Prüfung vorbereitet werden können. Der zweite Teil beschreibt einen neuen Impulsgeber und eine Folgeschaltung zur Regulierung der elektrischen und mechanischen Stimulationen, die auf die Probe angewandt werden. Die mechanische Verschiebung wird durch eine Art Servomechanismus gesteuert, der über ein FM-Bandgerät angetrieben wird.
    Notes: Abstract Some apparatus and instrumentation have been developed for improving the relevance of dynamic test data obtained from human muscle specimens. In the first part of this paper the background is given and a special clamping and mounting arrangement is described which allows a small specimen to be made ready for test in less than a minute. The second part describes a new timing and sequencing instrument for regulating the electrical and mechanical stimulations applied to the specimen. The mechanical displacements are controlled by a type of servomechanism which can be driven from an f.m. tape recorder.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 12 (1974), S. 654-663 
    ISSN: 1741-0444
    Keywords: Dynamicin vitro testing of human muscle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Description / Table of Contents: Sommaire La première partie de cet article (Fay et al. 1974) présente l'acquis des travaux et suggère la conception d'un appareil permettant de fixer et de stimuler un petit spécimen de muscle dans un entourage contrôté. L'appareil décrit comprend une commande électrique et un transduceur à la fois de force et de déplacement. Cette partie concluante décrit le contrôle et la mise en séquence du système.
    Abstract: Zusammenfassung Der erste Teil dieser Arbeit (vonFay u.a., 1974) zeigte die Vorgeschichte der Arbeitet auf und stellte eine Apparatekonstruktion zum Einspannen und Stimulieren kleiner Muskelproben in kontrollierter Umgebung vor. Das beschriebene Gerät hatte eine elektrische Betätigung sowie Meßwandler fûr Kraft und Verlagerung. Dieser abschließende Teil zeigt, wie das System geschalten und in Folge geschaltet wird.
    Notes: Abstract The first part of this paper (Fay et al., 1974) presented the background to the work and put forward a design for apparatus for clamping and stimulating a small muscle specimen in a controlled environment. The apparatus described included an electromagnetic actuator and both force and displacement transducers. This concluding part shows how the system is controlled and sequenced.
    Type of Medium: Electronic Resource
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  • 3
    facet.materialart.
    Unknown
    In:  Other Sources
    Publication Date: 2016-06-07
    Description: Methods of destructive physical analysis (DPA) are suggested which might have more usefulness if the procedures followed lines of accelerated testing. A brief presentation of DPA procedures is followed by a discussion of their value.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: NASA. Marshall Space Flight Center Capacitor Technol., Appl. and Reliability; p 125-129
    Format: text
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  • 4
    Publication Date: 2019-06-27
    Description: An overview of major causes of device yield degradation is presented. The relationships of device types to critical processes and typical defects are discussed, and the influence of the defect on device yield and performance is demonstrated. Various defect characterization techniques are described and applied. A correlation of device failure, defect type, and cause of defect is presented in tabular form with accompanying illustrations.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: NASA-CR-120557
    Format: application/pdf
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  • 5
    Publication Date: 2019-07-13
    Description: The 'OCTOPOD' radar extends the concept of differential reflectivity (ZDR) to multiple polarization planes, so that ZDR measurements can be made in any pair of orthogonal linear polarizations. This allows the mean canting angle of oblate raindrops or ice particles to be determined. Attention is given to the radar hardware employed, the rotating feed system that generates the multiple polarization planes, and the computer controlled data acquisition system which extracts both reflectivity and ZDR data.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: Conference on Radar Meteorology; Sep 19, 1983 - Sep 23, 1983; Alberta; Canada
    Format: text
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