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水质 湖泊和水库采样技术指导
Water quality. Guidance on sampling techniques from lakes, natural and man-made
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地下水资源管理模型工作要求
Requirements for the work of groundwater resources management model
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地下水资源分类分级标准
Standards of classification for groundwater resources
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大气降水中氯化物的测定 硫氰酸汞高铁光度法
Determination of chloride in the wet precipitation.Ferrithiocyanate spectrophotometry
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大气降水中硝酸盐的测定
Determination of nitrate in the wet precipitation
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大气降水中亚硝酸盐的测定 N-(1-萘基)-乙二胺光度法
Determination of nitrite in the wet precipitation.N-(1-naphthyl)-1,2-diaminoethane dihydrochloride spectrophotometry
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大气降水中硫酸盐的测定
Determination of sulfate in the wet precipitation
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大气降水中氟、氯、亚硝酸盐、硝酸盐、硫酸盐的测定 离子色谱法
Determination of fluoride,chloride,ntrite,nitrate,salfate in the wet precipitation.Ion chromotography
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大气降水pH值的测定 电极法
Determination of pH value of the wet precipitation.Glass electrode method
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大气降水电导率的测定方法
Determination of specific conductance in the wet precipitation
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