观察到了它们的声子谱随含氢量而变化以及声学支有规则的软化现象。
It was observed that their phonon spectra vary with their hydrogen content.
方法对12条犬于左前降支(LAD)狭窄前后行静脉心肌声学造影。
Methods Transvenous MCE was performed before and after LAD stenosis in 12 dogs.
方法对12条犬于左前降支(LAD)狭窄前后行静脉心肌声学造影。
Methods Transvenous MCE was performed before and after LAD stenosis in 12 dogs.
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