两种涂料对铝镇静钢和硅镇静钢均没有明显的脱硫作用。
Both of the coatings have not apparent desulphurization effect either for Al-killed steel or for Si-killed steel.
选用兖州、东林和南桐高硫煤以稀碱和稀盐酸两步处理，在考察脱矿物质效果的同时研究了脱硫作用及机理。
Three high sulfur coals, Yanzhou, Donglin and Nantong coals, were treated by dilute alkali and acid in succession.
结果表明文丘里喉部对提高脱硫效率起到了关键作用，SO_2的高浓区位于壁面附近的局部区域；
The results showed that the venturi laryngeal is important to improve the desulphurization efficiency, the higher concentrations of SO_2 locate in the area close to the wall.
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