Although not covered by the rules, sulfur dioxide also could drop up to 90 percent because it would be filtered out by the same technology that controls hydrochloric acid.

尽管二氧化硫没有被纳入到此项法规中，但是由于控制氯化氢的技术也会去除二氧化硫，因此二氧化硫的排放量也会下降达90%。

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These small tablets contain one drop of hydrochloric acid and they last about four hours.

这些小片剂每片含有一滴盐酸，药效持续四个小时左右。

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Dissolve a pinch of silver and mercury in a solution of nitric acid, drop in a lump of metal amalgam, and soon a spidery, glittering "Tree of Diana" will form on the glass.

在硝酸中溶解少量银和水银，再扔一小块金属混合物，不久，蛛网一样的闪亮的“戴安娜之树”就会在玻璃上形成。

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Some of these will drop acid rain or meteors on unsuspecting hordes.

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As every schoolboy knows, if you drop calcium carbonate (limestone, for example) into acid, it dissolves.

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In five years the stomach acid would eat through her tooth enamel, if she didn't drop dead first.

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