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Problem of determining the speed of sound

✍ Scribed by V. G. Romanov


Publisher
SP MAIK Nauka/Interperiodica
Year
1990
Tongue
English
Weight
543 KB
Volume
30
Category
Article
ISSN
0037-4466

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## Abstract We have used Brillouin scattering to determine the speed of sound in (and hence longitudinal modulus of) A‐ and B‐DNA fibers. The speed of sound is very sensitive to the degree of hydration of the fibers, and measurements have to be made at laser powers below 5 mW to avoid local heating