CHANT
发表于 2025-3-28 18:17:33
ural changes and those now being induced by man are their rel ative rates of change. The magnitude of present day fluxes of some com pounds released as air pollutants is in some cases much larger than those arising naturally. In other cases, for example carbon dioxide, the an thropogenic emission
Mangle
发表于 2025-3-28 21:32:12
Ronaldo Muncklar ozone depletion (see Chapter 2). The relationship between ozone and CFCs is now well documented, but it should be realized that CFCs are present in the atmosphere at mixing ratios below 1 ppbv (parts per billion by volume; billion = 10.), and the chemical measurement technology which allows the
轮流
发表于 2025-3-28 23:09:32
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notion
发表于 2025-3-29 07:01:03
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门闩
发表于 2025-3-29 09:42:26
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座右铭
发表于 2025-3-29 12:47:06
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