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。
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