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  • Noise health effects — are the health consequences of elevated sound levels. Elevated workplace or other noise can cause hearing impairment, hypertension, ischemic heart disease, annoyance, sleep disturbance, and decreased school performance. Changes in the immune… …   Wikipedia

  • Noise-induced hearing loss — (NIHL) is an increasingly prevalent disorder that results from exposure to high intensity sound, especially over a long period of time. Contents 1 Description 2 Mechanism 3 Types 3.1 …   Wikipedia

  • Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… …   Wikipedia

  • Noise, Vibration, and Harshness — Noise, Vibration, and Harshness, also known as Noise and Vibration, abbreviated to NVH and N V respectively, is the name given to the field of measuring, and modifying, the noise and vibration characteristics of vehicles, particularly cars and… …   Wikipedia

  • Noise, vibration, and harshness — (NVH), also known as noise and vibration (N V), is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. While noise and vibration can be readily measured, Harshness is a subjective… …   Wikipedia

  • Noise dosimeter — A noise dosimeter (American) or noise dosemeter (British) is a specialized sound level meter intended specifically to measure the noise exposure of a person integrated over a period of time; usually to comply with Health and Safety regulations… …   Wikipedia

  • Noise pollution — A Boeing 747 400 passes close to houses shortly before landing at London Heathrow Airport Noise pollution is excessive, displeasing human, animal or machine created environmental noise that disrupts the activity or balance of human or animal life …   Wikipedia

  • Noise phobia in dogs — Dog Noise Phobia, along with Dog Noise Anxiety, are terms sometimes used by dog owners and veterinarians to describe canine fear of and the corresponding stress responses to loud noises. Noise related phobia are common in dogs, and may be… …   Wikipedia

  • Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

  • level — 1. Any rank, position, or status in a graded scale of values. 2. A test for determining such rank or position. acoustic reference l. the biological reference l. for sound measurements. When the term decibel is used to …   Medical dictionary

  • Noise barrier — The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area s aesthetics. A noise barrier (also called a soundwall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed… …   Wikipedia

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