Measuring device of the sound intensity of a flow of air into vibrationThe device includes: a body (5a,5b) fitted with a pipe connector (3) through which the air flows. The connector (3) communicates with a chamber (10) having a wall with a microphone membrane (6) which is displaced ...
c. To mark off or apportion, usually with reference to a given unit of measurement: measure out a pint of milk. d. To allot or distribute as if by measuring; mete: The revolutionary tribunal measured out harsh justice. 2. a. To estimate by evaluation or comparison: "I gave them an...
6. to use the lead and line or some other device for measuring depth, as at sea. 7. to go down or touch bottom, as a lead. 8. to plunge downward or dive, as a whale. 9. to seek information, esp. by indirect inquiries. [1300–50; Middle English sounden < Old French so...
A.the unit for measuring the4ntensity of sound. B.the pressure of radiating waves. C.the frequency of radiating waves. D.the speed of sound. 点击查看答案 第6题 The range in frequencies of musical sounds is approximately 20-20,000 cycles per second (cy/sec). Some people can hear hig...
internal dose internal energy of re internal ester internal fixation wit internal granualar la internal installation internal intervention internal key internal legislation internal level internal lobe internal measuring in internal medicine res internal medicine int internal meetings internal priority rig intern...
Asound greater than 85 dB can result in hearing loss, the latter related to both the intensity of the sound and the period of exposure to it; eight hours of exposure to sounds measuring 90 dB can damage the human ear, and exposure to 140 dB can result in immediate damage and cause gen...
10). Sensitivity to sound intensity was estimated by measuring the responses (bottom) to sinusoidal antennal deflection superimposed on the steps of different size (color coded—see insert in b). b Intensity tuning curves (dots) and sigmoidal fits (lines) for different levels of mean adaptation ...
What is the base metric unit for measuring mass? The mating call of a male cicada is among the loudest noises in the insect world, reaching decibel levels of 105 dB at a distance of 1.00 m from the insect. a) Calculate the corresponding ...
Unfortunately, installing 5 panels measuring 30″ x 20″ is not likely enough to make a noticeable difference in the space. Considering the cubic volume of the room and the surfaces that make up the space, I would suggest starting with forty-five or fifty square feet of panels. The panels...
An acoustic intensity spacial sampling technique for measuring the sound power of industrial equipment in-situ72.453.1WolfExxonH.ExxonAlanExxoningentaconnectInter Noise & Noise Con Congress & Conference Proceedings