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.
本文介绍了一种声和光指示的瞬间电脉冲检测器的研制及其特殊用途。
This article discusses the research and special usage of a sound and light indicator of a kind of logic pulse probe.
所述用于检测血液分析物浓度的系统可以包括光声装置或新陈代谢热整合装置。
The system for detecting blood analyte concentration may include a photoacoustic device or a metabolic heat conformation device.
光声法检测痕迹气体浓度，是一种具有高选择性，高灵敏度，高稳定性的气体检测方法。
It's a high selectivity, high sensitivity, high stability way that use photo acoustic method to detect trace gas concentrations.
2个放映机头，用于桌式电影摄影机，1个电子光声头，1台煤油弧光灯，1个滑线电阻，1台幻灯机，1个印片机箱，1个暗房照明灯(煤油)，均未检测。
2 projecting heads for table cinematographs, 1 optical sound head, 1 carbon arc projection lamp, 1 slide projector and more. All untested.
2个放映机头，用于桌式电影摄影机，1个电子光声头，1台煤油弧光灯，1个滑线电阻，1台幻灯机，1个印片机箱，1个暗房照明灯(煤油)，均未检测。
2 projecting heads for table cinematographs, 1 optical sound head, 1 carbon arc projection lamp, 1 slide projector and more. All untested.
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