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GONG Xiu-fen, FENG Ruo, ZHU Zheng-ya. ULTRASONIC INVESTIGATION OF NONLINEAR EFFECT IN BIOLOGICAL MEDIUM[J]. ACTA ACUSTICA, 1986, 11(2): 95-99. DOI: 10.15949/j.cnki.0371-0025.1986.02.005
Citation: GONG Xiu-fen, FENG Ruo, ZHU Zheng-ya. ULTRASONIC INVESTIGATION OF NONLINEAR EFFECT IN BIOLOGICAL MEDIUM[J]. ACTA ACUSTICA, 1986, 11(2): 95-99. DOI: 10.15949/j.cnki.0371-0025.1986.02.005
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ULTRASONIC INVESTIGATION OF NONLINEAR EFFECT IN BIOLOGICAL MEDIUM

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    • Abstract
  • The nonlinear acoustic parameter B/A and its dependence on solute concentration have been determined for several aqueous solutions of biological samples by using comparative method. The B/A values for aqueous solutions of dextrose, of sucrose, of ethylene glycol were found tq increase linearly with solution concentration. The B/A value for fresh whole porcine blood has been obtained to be 5.8 at temperature 26℃. Dependence of internal pressure P* on concentration also has been determined for ethylene glycol solution.
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