| 两广地区硝酸和硝酸盐湿去除研究 |
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| 引用本文： | 王美蓉,孙庆瑞,唐孝炎,齐立文.两广地区硝酸和硝酸盐湿去除研究[J].环境科学研究,1989,2(4):24-29. |
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| 作者姓名： | 王美蓉 孙庆瑞 唐孝炎 齐立文 |
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| 作者单位： | 1.北京大学技术物理系; 北京; |
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| 摘 要： | 1986至1988年在我国两广地区进行了三年的春季降水集中观测,根据所测得的大气硝酸、硝酸盐气溶胶和雨水硝酸盐浓度,计算了硝酸和硝酸盐的清除比,其平均值分别为1.7×106和5.6×105。利用连续降雨样品的硝酸盐沉降量计算了硝酸盐的清除系数λ,λ值约在10-4-10-5S-1之间。
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| 关 键 词： | 湿去除 硝酸盐 两广 降雨时 气溶胶 柳州 实验点 春季降水 水硝 平均值 |
Sutdy on Precipitation Scavenging of Nitric Acid and Nitrate over Guangdong and Guangxi Areas |
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| Wang-Meirong,Sun-Qingrui,Tang-xiaoyan and Qi-Liwen.Sutdy on Precipitation Scavenging of Nitric Acid and Nitrate over Guangdong and Guangxi Areas[J].Research of Environmental Sciences,1989,2(4):24-29. |
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| Authors: | Wang-Meirong Sun-Qingrui Tang-xiaoyan and Qi-Liwen |
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| Institution: | 1.Dept, of Technical physics, Peking university, Beijing2.Chinese Research Academy of Environmental Sciences, Beijing |
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| Abstract: | Since 1986, the samples of acidic precipitation have been collected over Guangdong and Guangxi areas.The data including concentrations of nitrate in precipitation and concentrations of nitrate and nitric acid in air were analyzed.The scavenging ratios of nitrate and nitric acid were calculated.The average scavenging ratios of nitrate and nitric acid are 5.6×105 and 1.7×106 respectively .we calculated the scavenging coefficient of nitrate using deposition of nitrate in s-uccessivc hours of precipitation sample.The values of scavenging coefficient are in the range of 10-4 S-1 to 10-5 S-1. |
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