论文部分内容阅读
用生氧量确定英公水库最佳施肥浓度及比例的试验＊ＡＮＥＸＰＥＲＩＭＥＮＴＯＦＴＨＥＢＥＳＴＣＯＮＣＥＮＴＲＡＴＩＯＮＡＮＤＲＡＴＩＯＯＦＡＰＰＬＶＩＮＧＦＥＲＴＩＬＩＺＥＲＩＮＴＨＥＹＩＮＧＧＯＮＧＲＥＳＥＲＶＯＩＲＤＥＴＥＭＩＮＥＤＢＹＯＸＹＧＯＮＥ...
EXPERIMENT OF DETERMINATION OF THE BEST CONCENTRATION CONCENTRATION AND PROPORTION OF YONGGONG RESERVOIR BY OXYGEN OXIDATION * ANEXPERIMENTOFTHEBESTCONCENTRATIONANDRATIOOFAPPLVINGFERTILIZERINTHEYINGGONGRESERVOIRDETEMINEDBYOXYGONE ...