935 resultados para Sounding rockets.
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Mode of access: Internet.
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Mode of access: Internet.
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Includes index.
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Includes indexes.
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Includes index.
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Includes index.
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Includes index.
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Includes index.
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"January 1986."
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Reproduced from type-written copy.
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Includes bibliographical references.
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Mode of access: Internet.
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Mode of access: Internet.
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La singular coyuntura de los años 1814-1816 enmarca la actividad del Congreso de Tucumán. Ante un escenario internacional de restauración monárquica y un contexto rioplatense signado por el levantamiento de Fontezuelas, el Congreso y el nuevo director supremo emanado del mismo dirigen sus acciones a consolidar su legitimidad y garantizar la gobernabilidad de los pueblos asistentes. Las sesiones secretas actúan como caja de resonancia de los múltiples frentes de intervención. El presente trabajo permite realizar un balance historiográfico del estado actual de los estudios sobre el Congreso en su etapa tucumana, aportando una lectura desde una fuente poco explorada
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Melodic alarms proposed in the IEC 60601-1-8 standard for medical electrical equipment were tested for learnability and discriminability. Thirty-three non-anaesthetist participants learned the alarms over two sessions of practice, with or without mnemonics suggested in the standard. Fewer than 30% of participants could identify the alarms with 100% accuracy at the end of practice. Confusions persisted between pairs of alarms, especially if mnemonics were used during learning (p = 0.011). Participants responded faster (p < 0.00001) and more accurately (p = 0.002) to medium priority alarms than to high priority alarms, even though they rated the high priority alarms as sounding more urgent (p < 0.00001). Participants with at least 1 year of formal musical training identified the alarms more accurately (p = 0.0002) than musically untrained participants, and found the task easier overall (p < 0.00001). More intensive studies of the IEC 60601-1-8 alarms are needed for their effectiveness to be determined.