## Abstract The influences of frequency and spatial resolution on the anisotropic impedance estimation of cortical bone was investigated in the frequency range 25–100 MHz. A set of spherically focused transducers provided a spatial resolution in the range from 150 down to about 20 μm. Four embedded
The use of time-resolved scanning tunneling microscopy for the determination of microscopic reaction rates
✍ Scribed by Xiaoge G. Zhang; Ulrich Stimming
- Publisher
- Elsevier Science
- Year
- 1990
- Weight
- 637 KB
- Volume
- 291
- Category
- Article
- ISSN
- 0022-0728
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