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WebJun 23, 2024 · Arterial pressure (AP) and heart rate (HR) have not been continuously measured from the beginning of the caloric test. This study aimed to evaluate (1) the changes in AP and HR continuously during the test, and (2) the relationship between those changes and semicircular canal function. Airflow at 15 °C was applied to the left ear … WebThe ER-15 provides a uniform flat 15 dB of sound reduction from 125 Hz through 8 kHz. Note: If necessary, customers have 2 weeks from the date of invoice to evaluate the … WebMERV means Minimum Efficiency Reporting Value which was developed by the American Society of Heating, Refrigeration and Air Conditioner Engineers, ASHRAE. The higher the MERV rating the more efficient the filter will be at capturing airborne particles. Please check with your HVAC specialist as to what MERV rating is best for your system. literary term byronic hero