试验结果表明，高压水射流粉碎过的煤泥浮选后其精煤的灰分含量为煤泥直接浮选精煤含量的一半，全硫含量仅为煤泥直接浮选精煤含量的五分之一。
The results of the flotation experiments shows that the ash content of the washed coal is only half of the coal slurry flotation without comminution by high pressure water jet, and the total sulfur.
试验结果表明，对于高灰分煤尘，在冲击波的多次冲击下煤尘的爆炸特性明显增强，危险性大大增加。
These experiments have proved that, for the coal dust with high ash component, after multiple actions by shock wave, it's explosive characteristic has been greatly increased.
采用动态氧化试验考察了清净剂与无灰分散剂对ZDDP作用机理的影响。
The interaction mechanism of the effects of detergents and ashless dispersant on ZDDP have been studied with the circulating oxygen absorption oxidation test.
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