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Chemical data from ground stations in Asia and the North Pacific are compared with data from the DC-8 aircraft collected during the Pacific Exploratory Measurements in the Western Pacific Ocean (PEM-West B) mission. Aircraft samples were collected during 19 flights, most over the western North Pacific. Aluminum was used as an indicator of mineral aerosol,(More)
A signal-averaging technique was used to minimize acoustic reflex measurement system noise while preserving temporal fidelity. In normal listeners, the interaction of signal intensity and signal duration was explored at visual detection threshold (VDT) and at varying suprathreshold signal levels. Reflex amplitude increases, with signal intensity, at a rate(More)
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