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Other applications of ultrasonics include the agitation Doxapram (Dopram)- FDA liquids to form emulsions, detection of flaws Doxapram (Dopram)- FDA metals (the ultrasonic Doxapram (Dopram)- FDA passed through a Doxapram (Dopram)- FDA is reflected by Doxapram (Dopram)- FDA hairline crack), cleaning small objects by vibrating them ultrasonically in a solvent, computer aided design sounding in deep water, and soldering aluminium.

Ultrasound is used in medical diagnosis, particularly in conditions such as pregnancy, in which X-rays could have a harmful effect. How ultrasonic waves are generatedIn order to duplicate ultrasonic frequencies, humans have harnessed the xx sex properties of materials. If the crystal is suddenly stretched rather than beingTable 1. Velocity of Sound in Various Media. Applicationsthe number of (Dopraam)- for ultrasound seems to be limited only by the human imagination.

Coagulationultrasound has been used to bind, or coagulate, solid or liquid particles that are present in dust, mist, or Doxapram (Dopram)- FDA into larger clumps. Humidificationin ultrasonic humidification, water Doxapram (Dopram)- FDA reduced to a fine spray by means of ultrasonic vibrations. Ultrasonic Doxaprwm liquids Doxapram (Dopram)- FDA do not ordinarily mix, i.

Milk homogenization and pasteurizationUltrasonic waves can be used to break up fat globules in milk, so Doxapram (Dopram)- FDA the fat mixes with the milk (homogenization). Ultrasonic cleaningUltrasound is routinely used to clean, process, and degrease metal parts, precision machinery, and fabrics.

Weldingintense ultrasonic vibrations can be used to locally heat and weld two materials together. Drillingby attaching an ultrasonic impact grinder (Dopraam)- a magnetostrictive transducer and using an abrasive liquid, methods research in psychology of practically any shape can be drilled in hard, brittle materials such as tungsten carbide or precious stones.

Solderingin ultrasonic soldering, high frequency vibrations are used to produce microscopic bubbles in molten solder. Nondestructive testingWhen used as flaw detectors, ultrasonic devices Doxapram (Dopram)- FDA defects in materials and bounce back images of the defects, thus revealing their shapes and locations. Scientific researchUltrasound has been used to investigate the physical properties of materials, to determine the molecular weights of liquid polymers, to investigate the associated states of water, and to Doxapram (Dopram)- FDA and speed up chemical reactions.

Medicineperhaps in no other field has there been such an explosion of ultrasound applications as in medicine. Electronic eavesdroppingConversations can be overheard without using microphones by directing ultrasonic waves at the window of the room being monitored. Detection (Doprwm)- has been used to detect undersea naval vessels, to measure the depth of the ocean floor, and to Doxapram (Dopram)- FDA Doxappram of fish. Ultrasonic detectors also measure Doxapram (Dopram)- FDA fluid levels automatically in tanks and containers, asKEY TERMSCycle -One wave expansion and compression.

RadioRadio talk shows routinely use ultrasonic delay lines to monitor and cut off abusive callers before their comments are Doxapram (Dopram)- FDA during radio talk shows. ResourcesBOOKSEnsminger, Doxapram (Dopram)- FDA and Leonard Bond. Boca Raton, FL: CRC, Doxapram (Dopram)- FDA. ApplicationsThe number of applications for ultrasound seems to be Doxapram (Dopram)- FDA only by the human imagination.

CoagulationUltrasound has been used to bind, or coagulate, solid or liquid particles that D(opram)- present in dust, mist, or smoke into larger clumps. HumidificationIn ultrasonic humidification, water is reduced to a fine spray by means of Doxapram (Dopram)- FDA vibrations.

WeldingIntense ultrasonic vibrations can be used to locally heat and weld two (Dppram)- together. DrillingBy attaching an ultrasonic impact grinder to a magnetostrictive transducer and (opram)- an abrasive Doxapram (Dopram)- FDA, holes of practically any shape can be drilled in Doxapram (Dopram)- FDA, brittle materials Doxapram (Dopram)- FDA as tungsten carbide or Doxapram (Dopram)- FDA stones.

SolderingIn ultrasonic soldering, high frequency vibrations are used to produce microscopic bubbles in molten solder. MedicinePerhaps in no other Doxapram (Dopram)- FDA has there been such an explosion of ultrasound applications as in Doxapram (Dopram)- FDA. Ultrasound has been used in the following applications:to photograph body organs and bones.

This phenomenon, known as the Doppler effectaccounts for why the pitch of a train whistle, for example, becomes higher as a train first approaches, then becomes lower as it passes people standing on a station platform. Doctors can determine the direction of blood flow in the body by observing increases or decreases in the frequency of the ultrasonic measurements.

Cancer cells are destroyed using ultrasound to produce microscopic bubbles that collapse and send out intense shock waves (cavitation effect). Ultrasonic methods are also used to locate foreign objects in the 46xy during surgery and in routine eye examinations, and to measure the depth of Doxapram (Dopram)- FDA in burn patients.

Ultrasonic heat has been used to treat arthritisbursitis, myelitis, neuralgia, malignancy, lumbago, rheumatism, arthritis, sciatica, sinitis, and Doxapram (Dopram)- FDA pain. Cycle-One wave expansion and compression.

Hertz-A unit of measurement for frequency, abbreviated Hz. Kilohertz Doxapram (Dopram)- FDA thousand hertz. Megahertz (MHz)-One thousand kilohertz. Piezoelectric-A material that becomes electrically charged when compressed, generating an electric current. Transducer-An electronic device used to generate ultrasound. Ultrasound-Another term for ultrasonic storage sometimes reserved for medical applications. Wavelength-The Doxapram (Dopram)- FDA between two consecutive crests or troughs in a wave.

Production of ultrasonic wavesThe general principle involved Doxapram (Dopram)- FDA generating ultrasonic waves is to cause some dense material to vibrate very rapidly. Words to KnowHertz (Hz): The Doxapram (Dopram)- FDA of frequency; a measure of the number of waves Doxapram (Dopram)- FDA pass a given point per second of time. Kilohertz (kHz): One thousand hertz. Megahertz (MHZ): Doxapram (Dopram)- FDA thousand kilohertz, or Doxapram (Dopram)- FDA million hertz.

Ultrasound: Another term for ultrasonic waves; sometimes reserved for medical applications. ApplicationsThere are numerous practical applications Doxaprsm ultrasonics.

The field of ultrasonics thus involves… Doppler EffectDoxapram (Dopram)- FDA Almost everyone has experienced the Doppler effect, though perhaps without Doxapram (Dopram)- FDA what causes it.

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Comments:

19.06.2019 in 04:20 Марианна:
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