Exploring the human auditory range and ultrasound technology, this content delves into the capabilities of human hearing, the fundamentals of ultrasound, and its applications in navigation, medical diagnostics, and industrial testing. Ultrasound imaging's advantages over other diagnostic methods are highlighted, emphasizing its safety, cost-effectiveness, and non-invasive nature.
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1
Frequencies above ______ kHz, which are inaudible to humans, are known as ______ and can be heard by animals like dogs and bats.
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2
Ultrasound frequency range compared to human hearing
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3
Speed of sound in water for sonar calculations
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4
Applications of ultrasound beyond sonar
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5
In healthcare, ______ is a non-invasive technique crucial for monitoring fetal growth during ______.
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6
Ultrasound in diagnosis
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7
Ultrasound as surgery alternative
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8
Ultrasound in NDT
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9
Unlike X-rays and CT scans, ultrasound imaging does not use ______ radiation, minimizing potential harm.
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10
Ultrasound machines excel at depicting ______ tissues, which radiographic imaging does not show well.
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11
Ultrasound application in navigation
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12
Ultrasound in medical diagnostics
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13
Ultrasound use in industrial QA
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