三氧化硫在硫磺酸里的吸收。
由于年龄和烟雾与氧气反应，有机和浓缩的硫磺酸液滴，增加了烟雾。
As the smog ages and reacts with oxygen, organic and sulfuric acids condense as droplets, increasing the haze.
像磺化的兽脂（动物脂肪往往与硫磺酸发生化学反应）这样润湿剂被加入到其中。
Then wetting agents are added such as sulfonated tallow -- animal fats chemically reacted with sulfuric acid.
铅酸蓄电池：用来帮助发动轿车和卡车的可回收电池是由铅板和包在塑料包里的硫磺酸组成的。
LEADACID batteries: These rechargeable batteries that help start most cars and trucks are composed of lead plates and sulfuric acid in a plastic case.
在高空把硫磺酸蒸发释放，即使是在已经充满云雾的空中，也会形成一层大小合适的微粒屏障。
Released as a vapour at high altitude it should produce a screen of properly sized particles, even in a sky that is already hazed.
硒是基本硫磺酸，蛋氨酸的自然化合，在巴西坚果、器官、海产食品、小麦胚芽中含量丰富。
It is bonded to the essential sulfur amino acid, methionine, in its naturally occurring form. Selenium is found most abundantly in Brazil Nuts, organ meats, seafood, and wheat germ.
一种更冒险的设备在美国流行，那是个瞬间点燃的盒子-一个盒子里充满了硫磺酸化学药品浸泡处理过的夹板。
An even more hazardous device, popular in America, was the Instantaneous Light Box-a bottle filled with sulphuric acid into which splints treated with chemicals were dipped.
大约需要80艘这样的飞行器，每年向平流层喷洒一百万吨硫磺酸。项目将持续开展20年，大约需要花费1-2亿美元。
About 80 such planes would allow the delivery to the stratosphere of a million tonnes of acid every year at a cost of one or two billion dollars over an operational life of 20 years.
大约需要80艘这样的飞行器，每年向平流层喷洒一百万吨硫磺酸。项目将持续开展20年，大约需要花费1-2亿美元。
About 80 such planes would allow the delivery to the stratosphere of a million tonnes of acid every year at a cost of one or two billion dollars over an operational life of 20 years.
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