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PPVPay Per View
PPVPositive Predictive Value (parameter of diagnostic examination in medicine)
PPVPoints Plus Value (Weight Watchers)
PPVPoly (Phenylene Vinylene)
PPVPositive Pressure Ventilation
PPVPars Plana Vitrectomy
PPVPlum Pox Virus
PPVPeak Particle Velocity (mining)
PPVPorcine Parvovirus
PPVPago por Ver (Spanish: Pay per View)
PPVPneumococcal Polysaccharide Vaccine
PPVPolice Pursuit Vehicle
PPVPulse Pressure Variation
PPVPublic-Private Venture
PPVPurchase Price Variance
PPVProportioning Valve
PPVPower Point Viewer
PPVPlanned Product Value
PPVPolice Package Vehicle
PPVPublic Passenger Vehicle (legal classification; various locations)
PPVPeak-to-Peak Voltage (electricity)
PPVPerturbation Projection Vector
PPVPick-Up Passenger Vehicle
PPVPneumococcal Pneumonia Vaccine
PPVPedal-Powered Vehicle
PPVPer Page View (web site services billing)
PPVPrivate Passenger Vehicle
PPVProduct Price Variance (economics)
PPVPages Per Visitor
PPVProfessionele Project Verhuizers (Dutch brand for professional usiness movers)
PPVPeople Powered Vehicle
PPVPre Production Verification
PPVPatent Procesus Vaginalis
PPVParent Path Vector
PPVProduct Platform Validation (software/hardware)
PPVPost Production Verification (software development)
PPVPower Price Vector
PPVPoint of Peak Velocity
PPVPrice Point Variance (financial management)
PPVProduct/Process Validation Vehicle (General Motors automotive)
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References in periodicals archive ?
Using an asymptotic solution for the far field of vibration (Heelan's solution), we find analytical expressions to the peak particle velocity (PPV) diagrams.
The Peak Particle Velocity. The peak particle velocity is given by
The mine tremor of seismic energy E = 3E5 J (local magnitude, [M.sub.L]=2) and E = 8E3 J (local magnitude, [M.sub.L]= 1.1) located close to the tested roof support induced peak particle velocity weighted over 25 Hz, [PPV.sub.w] = 0.110 m/s and [PPV.sub.w] = 0.046 m/s.
[c.sub.p] - propagation velocity of the P-wave, m/s, [PPV.sub.P]--amplitude of the peak particle velocity (longitudinal wave), m/s.
In addition to these improvements, Type 2250 and Type 2270 portable sound level and vibration meters have been updated to measure peak particle velocity and vibration criteria.
(17), this leads to a = 3v, where v is the nominal particle velocity (the velocity that the particle would have if the charge did not flow), indicating that the peak particle velocity in a solitary wave is three times higher than the nominal particle velocity.
According to [8] admissible peak particle velocity for supporting by the timbering, strengthened by anchors, is 0.9 m/s and critical velocity 1.2 m/s.
In USSR standards for underground constructions with service life t up to 4-10 years the critical peak particle velocity is no more than 0.12 m/s, and for t [less than or equal to] 3 years no more than 0.48 m/s [9].
where [s.sub.e] is the experimental peak stress for partially coupled detonations, [s.sub.c] is the peak stress for fully coupled detonations, [v.sub.e] is the experimental peak particle velocity for partially coupled detonations, and [v.sub.c] is the peak particle velocity for fully coupled detonations.
Maximum peak soil stress and peak particle velocity occurred at the fully coupled DOB for each of the gage ranges.