Lowering gasoline aromatics content reduced HC and co emission, but olefin reduction had a adverse effect on HC and co emission.
汽油中芳烃含量降低，排放的CO、HC降低；烯烃含量降低，对CO、HC排放有负面影响。
The results of the case study indicate that energy integration has significant effect on CO2 emission reduction.
计算结果表明能量集成对CO2减排有显著的作用。
Carbon dioxide emissions and other pollutants emissions decline in different degrees, and the effect of energy conservation and emission reduction is obvious.
环境改善、能源需求层面：二氧化碳等污染物排放均有不同程度的降低，碳关税节能减排效果明显。
The primary industry has stronger effect for the CO2 emission reduction than the tertiary industry in the first stage;
对于减排作用，第一阶段是第一产业比第三产业强；
The primary industry has stronger effect for the CO2 emission reduction than the tertiary industry in the first stage;
对于减排作用，第一阶段是第一产业比第三产业强；
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