试验结果表明，所设计的喷嘴具有良好的雾化效果。
The results show that the external mixing type atomizer nozzle designed has good atomization effects.
结果表明：在一定雾化条件下，氦气雾化粉末具有最高的有效雾化率、良好的粒度分布，且球形度最好；
The results show that the free-lead solder powder is best in the efficient atomization efficiency, size distribution and degree of sphericity with helium as the atomizing medium.
鉴于实验结果的良好性，以及雾化量的可控性，实验的方法可望推广到管道的主动噪声控制中。
Based on the good experimental results and the controllability for the degree of water fog, the proposed method is useful in extending the field of active noise control in duct system.
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