One theory is that they are youngsters, giving off heat as they collapse inward due to the pull of their own gravity, but nobody knows for sure.
有一个说法是，它们还处于幼年，由于自己的重力所拉，在衰竭的同时发出热量，但没有人能肯定这种说法。
To study heat input of metal parts in deposition forming is favorable for forecasting and avoiding flow and collapse in deposition layers.
研究金属零件熔积成形中的热输入有利于预测和避免熔积层中出现流淌和坍塌现象。
The hot bubble cooling contraction, caused the rock layers above the dome bubble collapse, cause heat explosion, and outbreak a major earthquake.
热气泡降温收缩，造成热气泡上面的岩石层拱顶坍塌，引发热气爆炸而发生大地震。
They should also meet the requirements in preventing and avoiding disasters caused by mountainside landslide rock collapse mud-rock flow tropical heat wave fire etc.
并符合对山体滑坡、岩崩、泥石流、热带气旋、火灾等灾害的防灾避险安全要求。
Suns get too hot and dense. Collapse under own weight. Heat wins in a supernova finish.
太阳由于过热密度升高，最终坍塌。热火在超新星的降生中取得了胜利。
But current collapse or self-heat effects depress its performances heavily.
但是，受电流崩塌和自热等效应影响，其器件性能被大大地降低。
For both crossed-flow in dense phase heat exchanger and NSP kiln, low limitation for gas speed must be noticed to prevent from or to reduce materials accumulation or collapse.
无论交叉流浓相换热器，还是传统NSP窑，必须注重低限风速的意义，防止或减少积料、塌料现象的发生；
For both crossed-flow in dense phase heat exchanger and NSP kiln, low limitation for gas speed must be noticed to prevent from or to reduce materials accumulation or collapse.
无论交叉流浓相换热器，还是传统NSP窑，必须注重低限风速的意义，防止或减少积料、塌料现象的发生；
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