The result shows that laser induced plasma and weld geometry are sensitive to side nozzle height, its inclination angle and side gas flow rate;

结果表明，侧吹喷嘴高度和侧吹流速的变化对光致等离子体行为和焊缝形貌有显著的影响；

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Generally, the steel rolling furnace's service life is 3-10 years, the wrought steel chamber furnace is about 2 years, and the soaking pit side nozzle furnace's is 3-6 years.

轧钢加热炉的使用寿命一般为3 ~ 10年，锻钢室式加热炉的寿命约为2年，单侧上烧嘴均热炉的使用寿命一般为3 ~ 6年。

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When the inclination angle of a side nozzle is 0, 30,45 and 60 degrees, the eddying flow of the bottom hole vortex device will cause rotation at the bottom hole, affecting on the jet from bit nozzles.

侧喷嘴倾斜角度在0度、30度、45度和60度情况下，由于井底涡旋器的旋流作用，导致井底产生旋转，对钻头喷嘴射流产生了影响，以致在45度时出现压力损失最小的情况；

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Or in many kinds of gas refrigerators where you push a gas through a nozzle close to room temperature, what you find is that the gas coming out on the other side under lower pressure is cooler than the gas that went through on the other side.

或者在很多种压缩气体式冰箱中,你让气体通过接近室温的管口,你会发现从压力低的一边,出来的气体比通过,另一边的气体更冷,真正的冰箱实际上通过。

麻省理工公开课 - 热力学与动力学课程节选