英语翻译Input of HL on the degree of phenol treatment at three initial COD concentrations:a = 500 mg/l,b = 800 mg/l,c = 2000 mg/l.Operatingconditions:temperature = 19–23 ◦C,w = 12 rpm,initial phenol concentration = 100 gm−3.单位

英语翻译
Input of HL on the degree of phenol treatment at three initial COD concentrations:a = 500 mg/l,b = 800 mg/l,c = 2000 mg/l.Operating
conditions:temperature = 19–23 ◦C,w = 12 rpm,initial phenol concentration = 100 gm−3.
单位之类的可以不翻译

将受过酚水处理的HL放入三种COD试剂中a = 500 mg/l,b = 800 mg/l,c = 2000 mg/l.反应条件：温度在19到23摄氏度之间,w=12 rpm（转速）原试剂浓度,100gm-3