They devised an apparatus that connected a baby's pacifier to a counting device.
他们设计了一种将婴儿的奶嘴与计数装置连接起来的装置。
Using this amplifier in a liquid scintillation counting device, absolute measurements of the activity of some radionuclides have been realized.
在液闪计数装置中采用这种对数放大器实现了对一些放射性核素活度的绝对测量。
Using this amplifier in a liquid scintillation counting device, absolute measurements of the activity of some radionuclides have been realized.
在液闪计数装置中采用这种对数放大器实现了对一些放射性核素活度的绝对测量。
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