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9. ULTRAZVUK I HIDROAKUSTIKA - Fer

9. ULTRAZVUK I HIDROAKUSTIKA - Fer

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Elektroakustika 2007.<br />

Karakteristične impedancije nekih materijala u [10 (Ns/m 2 )]:<br />

• zrak 0,0004<br />

• ricinusovo ulje 1,43<br />

• voda 1,49<br />

• polietilen 1,84<br />

• pleksi-staklo 3,2<br />

• čelik 45,7<br />

• mozak 1,58<br />

• krv 1,61<br />

• meko tkivo 1,63<br />

• jetra 1,65<br />

•mišić (srednja vrijednost) 1,7<br />

• kost lubanje 7,8

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