并从对机动车尾气污染贡献率削减方面提出了城市出租车的选型的科学建议。
Based on above works some measures to reduce contribution rate of taxi emission to urban atmospheric pollution were proposed.
机动车行驶过程道路扬尘是城区颗粒物污染的主要因素，其贡献率可达30% ~ 50%。
The contribution rate of the road dust to particulate concentration in the urban area is 30% ~ 50% during motor vehicle running.
最后通过多元逐步回归模型计算出各污染源对南京市大气颗粒物中半挥发性有机物的贡献率。
Lastly the percentage contributions of various pollution sources to SVOCs on airborne particulates in Nanjing city were calculated using multiple regress models.
研究结果表明，当前各类农业非点源污染对水体的污染负荷贡献率为：畜禽粪尿43.81%，生活污染29.91%，农田径流和渗漏22.43%精养鱼塘3.85%。
Results indicated that the contribution of brute manure, domestic pollution source, runoff and food-supplied fishpond to water pollution load was 43.81%, 29. 91%, 22. 43%and 3. 85%, respectively.
通过对抚顺市的TSP 污染来源进行分析，得出全市TSP的污染来源贡献率，从而制定污染防治对策。
The paper analyzes the source of TSP in fushun city, then ensure the main source of TSP. According to the result, the paper points out the countermeasures of TSP.
在各污染因子中COD、BOD5、挥发酚类对河流水质的贡献率较大。由此分析了相应的原因。
It also showed that in each pollution factor, COD, BOD5 and the votile phenol contributed much more to the water quality of this river. Thus corresponding reason was analyzed.
整个南京地区的大气颗粒物中半挥发性有机物的主要污染源为燃煤源、交通排放源、燃油及矿物燃料残留物排放源、焚烧源，其贡献率分别为：44.0％、31.0％、19.9％、4.7％。
The main pollution sources are coal combustion, traffic emission, the residue of oil or mineral combustion and burning emission which accounts for 44.0%, 31.0% 19.9% and 4.7% of SVOCs, respectively.
整个南京地区的大气颗粒物中半挥发性有机物的主要污染源为燃煤源、交通排放源、燃油及矿物燃料残留物排放源、焚烧源，其贡献率分别为：44.0％、31.0％、19.9％、4.7％。
The main pollution sources are coal combustion, traffic emission, the residue of oil or mineral combustion and burning emission which accounts for 44.0%, 31.0% 19.9% and 4.7% of SVOCs, respectively.
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