Crops in Britain may be adversely affected by ozone and, in polluted rural areas, by other gaseous pollutants. Acid rain is unlikely to affect crop production in Britain.
在被污染的英国乡村，农作物受到臭氧和其它气体污染物的不利影响，但是酸雨对英国农作物影响并不大。
2
The process of producing diethyl oxalate and oxalic acid by co coupling reaction in gaseous phase was one of the most important projects of C1 chemical technology, due to its technical predominance.
CO气相催化偶联反应合成草酸酯、草酸工艺以其特有的技术优势成为当前C1化工领域研究的重要课题之一。
3
The gaseous product was mainly consisted of CO, CO2, H2 and CH4. The concentration of CO, H2 and CH4 in gas increased with temperature. The bio-oil contained organic acid, phenol and saccharide.