Nano-powder of lanthanum chromites were synthesized by low-temperature combustion method.

用低温燃烧合成法合成了铬酸镧纳米粉体。

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However, under high temperature combustion conditions, gas radiation is very important in the total heat transfer.

然而在高温燃烧环境下，气体辐射在总的热量传递中占有不可忽略的比重。

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The high temperature combustion desulfurization possibility by fly ash remelting is study in vertical experiment cyclone furnace.

通过立式旋风炉实验台研究以飞灰重溶的方法解决高温燃烧固硫问题的可行性。

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One is exhaust gas recirculation, which pumps cooled exhaust back into the engine air intake, lowering the combustion temperature and reducing NOx formation.

FORBES: Clearing the Air