... phosphorimetry 磷光光度法 photoaccoustic detection 光声检测 photoacoustic spectrometry PASn光声（光）谱法 ...
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组建了光声检测系统。
实验结果表明，这些措施都能使光声信号增强，有效地提高光声检测的灵敏度。
The experimental results showed that the PA signal enhancement can be obtained by making use of the every one of the factors above, and so the sensitivity of PA detection was increased effectively.
光声技术由于其高灵敏度的特性目前被广泛应用于痕量气体检测领域。
Photoacoustic technology is widely used in fields of trace gas detection due to its high sensitivity.
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