Results show that the frequency spectrum characteristics of arc diffluence is accordance to jet fluctuation. Arc diffluence in the new gun is confined obviously.

试验结果表明，电弧分流和射流脉动的频谱特性是一致的，在使用新等离子体喷枪时，电弧分流明显得到了限制。

youdao

Based on sandblast working principle and structure characters of blast gun, free jet model was developed in eject sect.

根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。

youdao

Special testing apparatus was built to study the effect of arc divided flow on the jet fluctuation and the inhibiting effect of new spray gun on the jet fluctuation.

为了研究电弧分流对射流脉动的影响以及检验新喷枪对射流脉动的抑制作用，而建立了专门的试验装置并进行了相关的试验。

youdao

He invented a jet inoculation gun, able to give 1, 000 vaccinations an hour and credited with saving many lives in Africa (a photo of Hingson with Nobel laureate Albert Schweitzer hangs in the BBF office).

FORBES: Your Charity Dollars at Work