travel of flame

The flame blackness turns to be large and then small along the flame travel. The maximum value of soft coal, heavy oil and coal slurry flame blackness almost appears after the maximum temperature of flame.

试验研究表明（在具体实验条件下），火焰黑度在火焰行程上，由小变大再减小，烟煤、重油和煤浆火焰的最大黑度值几乎都出现在火焰最高温度点。

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When the ignition was certain, the flame travel speed of gas explosion and pipeline length and diameter ration would be in a logarithmic function relationship.

在点火能量一定时，瓦斯爆炸火焰传播速度与管道长径比呈对数函数关系；

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So if this wild idea of dining on Burger King's flame grilled specialities while sweating it out sounds appealing to you, make Finland your next travel destination.

所以，如果在汉堡王这个热情似火的地方边吃汉堡边出身大汗的这一疯狂的想法吸引了你，那么下一站，就到芬兰来旅行吧。

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