发明名称 Ultrasonic particulate identification
摘要 A method of identifying discontinuities in a flow by transforming an ultrasonic pulse reflected from an unknown discontinuity into a frequency spectrum and comparing that spectrum with the spectra of known discontinuities.
申请公布号 US4339944(A) 申请公布日期 1982.07.20
申请号 US19800151834 申请日期 1980.05.21
申请人 MICRO PURE SYSTEMS, INC. 发明人 ABTS, LEIGH R.;BEYER, ROBERT T.
分类号 G01N29/02;G01N29/032;G01N29/34;(IPC1-7):G01N29/02 主分类号 G01N29/02
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