A new way of modelling of coal spontaneous combustion processes at low temperature is given.

从而为煤低温自燃过程的建模提供了一条新的途径。

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Liquid propellant combustion processes are quite complicated and defy precise analytical description.

液体推进剂燃烧过程是相当复杂的，很难对其进行严谨的分析描述。

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The study of droplet burning under microgravity is essential for the understanding of mechanism of combustion processes.

微重力条件下单滴燃烧的研究对于认识燃烧过程的物理机理具有重要价值。

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Combustion and propagation processes are then simulated in order to predict the spread of the fire.

ECONOMIST: Next, the fire forecast

These, he says, are 1, 500 times better than existing sensors at detecting hydrogen. (The gas combines with the tubes, changing their electrical properties.) Hydrogen detection is used to help control certain processes in industrial food production, for tweaking fuel combustion in car engines, and in monitoring certain bacterial infections.

ECONOMIST: Was the carbon nanotube overhyped?