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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A problem related to nitrification is a drop in PH for the system due to the formation of nitric acid.

和硝化作用有关的一个问题就是由于生成硝酸而使系统内的PH值降低。

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If all women took adequate folic acid before conception and during pregnancy, the number of babies born with a neural tube defect could drop by as much as 70 percent.

如果所有的妇女在怀孕前后获得足够的叶酸的话，该病的患病率可以下降70%。

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

ECONOMIST: Global warming

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

FORBES: Fact and Comment

In LRC-CPPT, patients on cholestyramine, a bile acid sequestrant resin, had 20% lower LDL as compared to an 8% drop on placebo and, after seven years, had a 24% reduction in CV deaths versus placebo.

FORBES: Do We Really Need Head-To-Head Comparison Trials With Statins To Improve Cardiac Health?