渗漏计 meaning in Chinese

percolation gauge

The dynamic change of nh4 + , no3 - and tn , under the situation which urea was applied in the high fertility paddy - field in yuhang of hangzhou city with a lysimeter which was designed and made by ourselves , was studied and analyzed in order to find the rules of the change in the water - body of surface and the leakage rule of nitrogen , to reduce the effect of nitrogen loss on the water pollution
借助自行设计制作的稻田渗漏计，在杭州余杭对高肥力稻田不同施用尿素氮肥情况下，稻田地表水和渗漏水中铵态氮、硝态氮和总氮(简称三氮)的动态变化规律进行了研究分析，以利于发现氮素在地表水体变化和淋失规律，尽量减少氮素淋失对地下水体所造成的影响。