Particle physicists fall into the stereotype of geek scientists - serious, distracted and wearing ties that look like socks.

粒子科学家被归为怪人那一类——一本正经，精神错乱，领带看起来像袜子。

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Materials often need to vertically fall into the entrance of the folding conveyor, because the material block or particle inertia impact, have broken or worn equipment may.

物料常常需要垂直落到输送机入口的折边上，由于物料块或颗粒的惯性会产生冲击，有碰坏或磨损设备的可能。

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Considering the very short particle residence time in the free-fall reactor, air was directly used as carrier gas to study the fast pyrolysis and sulfur evolution of coal under oxidizing atmosphere.

充分利用煤颗粒在自由落下床反应器中停留时间短的特点，直接用空气做载气，对自由落下床反应器中煤在氧化性气氛下的快速热解行为和硫的变迁进行了研究。

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In reality, no one has ever been able to drop an anti-apple and watch it fall down (or up), and the antimatter produced in particle colliders is so energetic that it is hard to examine with the tools of precision physics.

ECONOMIST: Antihydrogen atoms are captured for the first time