研究了叠氮化铅晶体的热分解和爆炸过程。
The thermal decomposition and detonation of lead azide crystals are studied.
其实想想就明白，在那间狭小而又拥挤不堪的房间里，那么热的天气，人像炖肉一样，再小的火星也会引起爆炸。
Still, it was easy to imagine how, in that cramped and overcrowded room, simmering in the dog-day heat, the smallest spark could have caused an explosion.
但是在它的初始阶段，就是宇宙大爆炸后仅一微妙，宇宙是如此之热，致使夸克和胶子那时的存在是自由的和不受约束的。
But in its infancy, just microseconds after the Big Bang, the universe was so hot and dense these quarks and gluons existed freely and unbound.
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