It has the abilities such as starch hydrolysis, nitrate reduction, milk peptonization and H2S production.

它能水解淀粉，进行硝酸盐还原，能使牛奶胨化，产生硫化氢。

youdao

H2S content in gas can be predicted by means of regression equation.

通过回归方程，可对煤气中H2S含量进行预测。

youdao

The copper belt corrosion was caused by H2S and active sulfur in naphtha.

证明了铜丝带腐蚀是由石脑油中的H2S和活性硫引起的。

youdao

The highly toxic H2S (hydrogen sulfide) and CO2 (carbon dioxide) are removed along with excess water to get the gas below 7 ppm (parts per million).

FORBES: We're Headed To $8 Natural Gas

My guess is you saw a lot more -- people can recall seeing a lot more Hummer H2s on the road, say, three years ago than sort of post-late summer 2008.

WHITEHOUSE: Press Briefing