DIN 38412-13:1983-09 德国水、废水和污泥检验标准方法;使用水生物的测试方法(L组);通过光和暗来测定水生环境中的氧气产生和氧气消耗(SPG 和 SVG)...
German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark...