Automatic filter paper-type smoke meter for diesel vehicles free of tobacco smoke accelerate the state measurement.
全自动滤纸式烟度计，用于柴油车自由加速状态下排烟的烟度测量。
Measure of the effective optical path of QN-1total flow extinction type smoke meter developed recently is described in detail.
对近期所研制的QN - 1型全流消光式烟度计有效光路的测定进行了较为详细的叙述。
In this paper, a new type of opacity smoke meter based on virtual instrument technique is developed with its composition and working principle presented.
基于虚拟仪器的先进技术，利用消光式烟度计的测量原理，研制出了一种新型的烟度计。
When the transmission type smoke meter examination is not good with the standard neutral light filter neutral degree, this kind of affect can affect its prepare result and the actual use.
当透射式烟度计检测用标准中性滤光片的中性程度不好时，这种影响会影响其研制结果及实际使用。
This paper presented a new non-contact method to meter co concentration and smoke optical density simultaneously and online based on photoacoustic technology.
本文提出一种利用光声技术同时在线测量CO浓度和烟雾消光的非接触式方法。
This paper presented a new non-contact method to meter co concentration and smoke optical density simultaneously and online based on photoacoustic technology.
本文提出一种利用光声技术同时在线测量CO浓度和烟雾消光的非接触式方法。
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