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天津市郊清、污灌区地下水的致突变性张淑兰，于德奎，吕严，刘凤贞在许多缺水少雨地区，污水是一项宝贵的资源，由于其中含有较高的肥效，污水灌田被广泛采用。从卫生学角度考虑，长期使用未经处理的城市污水灌田，势必会污染环境，危害人类。国内许多污水灌区研究结果表...
Mutagenicity of Groundwater in Clear and Sewage Irrigation Areas in Tianjin Suburb ZHANG Shu-Lan, YU De-Kui, LV Yan, LIU Feng-Zhen Sewage is a valuable resource in many areas where water and rain are scarce. Due to its high fertilizer efficiency, sewage irrigation is widely used . From a hygienic point of view, long-term use of untreated urban sewage for irrigation will inevitably pollute the environment and endanger humankind. Many domestic sewage irrigation research results table ...