为了解决电站锅炉炉膛结渣的问题，研究了对结渣有重要影响的颗粒碰撞数受二次风旋流强度影响的规律。
The effect of the secondary air swirl number on the number of particle impacts which affects slagging was studied to reduce slagging in utility boilers.
研究人员推测数这些碎块经过数十亿年的互相碰撞，柯伊伯型天体磨得更碎，柯伊伯带原始状态不再。
Researchers surmise that over billions of years the debris should collide, grinding the KBO-type objects down to ever smaller pieces that were not part of the original Kuiper Belt population.
由于两个碰撞粒子之间没有量子数的交换，因此该过程是一个单纯的绕射过程。
The process is a purely diffractive process since no quantum numbers exchange between the two colliding particles.
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