排序方式： 共有1条查询结果，搜索用时 31 毫秒
1
1.
1IntroductionWith greatest concentration, carbon dioxide (CO2) is most sensitive to climate change among all the greenhouse gases. Since the Industrial Revolution, CO2 content emitted into the atmosphere has increased rapidly, due to the use of fossil fuels. According to estimations, CO2 concentration in the atmosphere has increased from 280 ppm in the early period of the Industrial Revolution (Melillo etal., 1995) to 368 ppm at present (Keeling and Whorf, 2000). It is universally accept… 相似文献
1