Filter dust emission concentrations 除尘器粉尘排放浓度
The output of Amplifier has a filter, which can inhibit the out-off-band harmonic waves and unwanted emission component.
放大器的输出接有滤波器，可有效抑制带外谐波和无用发射分量。
A filter may be provided for blocking ionizing energy from the source in regions other than a region proximate the characteristic emission peak.
可以提供滤波器用于在接近特征发射峰值的区域之外的区域阻挡来自源的电离能量。
Blue, visible and infrared filters were combined with a filter that isolates hydrogen emission.
蓝色，可见光和红外线加上一个滤镜分离氢排放。
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