二氧化硫

Under the action of mercury resonance radiation, sulfur trioxide wasobtained by mercury photosensitized reaction or photochemical reaction onsulfur dioxide.

二氧化硫在汞共振辐射照射下，可发生光化氧化和光敏氧化作用而产生三氧化硫。量子总产率随气体流速的增加而增大。

All new ones are required to install filters in their smokestacks to remove sulphur dioxide, the main cause of acid rain.

所有新建电厂都要求在其烟囱上安装过滤装备以去除二氧化硫——酸雨的主要原因。

One is acid rain, which is created by the millions of tones of sulphur dioxide and nitrogen oxides spewed out of North American smokestacks and automobile exhaust pipes.

酸雨是由排放大量的二氧化硫和氧化氮造成的。

The smokestacks of electrical generating plants, industrial boilers, and smelters release sulfur dioxide and

电力发电厂的大烟囱、工业的锅炉和镕矿炉释放出二氧化硫和氧化氮，这些都是酸雨的主要成分。

One is acid rain , which is created by the millions of tones of sulphur dioxide and nitrogen oxides spewed out of North American smokestacks and automobile exhaust pipes.

其一是酸雨，它是由二氧化硫和氮氧化物产生的数百万吨2250北美烟囱和汽车尾气混合氧化物出。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。