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- TheapplicationofautomaticultrasonicflawdetectionforsteelplateinthemediumplateplantofchongqingsteelgroupThetheoryandmethodofsignalcouplinginultrasonicflawdetectionhavefilledthegapinChina.Thesupersonicflawdetectiontechnologyforthewheelseatinlaidpartoft...
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- 1、ThispapersumsuptheapplicationresultofsonicwavetechniqueinShaodongGypsumMine.2、Thetechnologyofsonicwaveoilproducingisnewanddevelopmentrapidlyinrecentyears.3、Basedontheprincipleofequivalentmass,itteststheimpellingvibrationinsonicwavevibrationsyste...
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- RecombinantsonichedgehogpromotesproliferationandsuppressesapoptosisofpulmonarymicrovascularendothelialcellsexposedtoseawaterThesecellsmakeaproteincalledsonichedgehog,whichdiffusesoutwardtoothercells.Effectofmarrowmesenchymalstemcellscombinedwithsonic...
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- Thesoniclogisusedtodifferentiateshalefromdolomite.Themudstonesonicloginterval,measuredstratigraphicpressureandseismicdataareintegratedtoanalyzetheundergroundfluidpressurefieldsinDamintundepression,Liaohebasin.Basedonmudstonesoniclogandmeasuredfluidpr...
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- Anultrasonicrangingsystemisdesignedforcreepingrobottoavoidobstacle,whichmeasuresthedistancebytime-of-flight.Echolocationcallsareusuallyultrasonicranginginfrequencyfrom20to200kilohertz(kHz),whereashumanhearingnormallytopsoutataround20kHz....
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- Ofallthefactorsinfluencingsonicbooms,increasingaltitudeisthemosteffectivemethodofreducingsonicboomintensity.Breakingthesoundbarriergeneratesasonicboom,sosupersonictravelisheavilyrestrictedoverland.Theratioofaircraftlengthtomaximumcrosssectionalareaal...
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- Acoustics--DescriptionandmeasurementofphysicalpropertiesofsonicboomsMuggleshavelessprecisebutextremelypowerfulnonlethalsonicweaponry.Let'sgettheviolinstofillinsonicspace.Ofallthefactorsinfluencingsonicbooms,increasingaltitudeisthemosteffectivemethod...
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