In order to monitor the cement grout density accurately and dynamically in grouting practice, a detection instrument incorporating a CR105 photomultiplier tube as optic sensor was designed.
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为了高精度、非接触动态地检测灌浆工程中水泥浆液的密度,采用CR105型光电倍增管作为感光器件,设计了一种检测装置。
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