1. When lipase N435 was 2.5gL^(-1), RS-ethyl mandelate was 0.25gL^(-1), water to RS-ethyl mandelate was 5:1, the reaction temperature was 40℃, the speed of agitation was 200rmin^(-1), the R-ethyl mandelate conversion could reach 41.6%, and enantiomeric excess e.
确定了最适的反应条件:脂肪酶N435浓度为2.5gL^(-1),RS-扁桃酸乙酯浓度为0.25molL^(-1),水:RS-扁桃酸乙酯的摩尔比为5:1,反应温度为40℃,摇床转速为200rmin^(-1),反应时间为24h。
2. The results indicate that the removal rate of turbidity is 95%, the removal rate of CODcr is 75% and the removal rate of TP is 98% when 90 mgL^(-1) of coagulant dosage, 15 min of flocculating time, 120rmin^(-1) of mixing force and 30 min of settling time.
结果表明:当药剂投加量为90mgL^(-1),絮凝时间为15 min,絮凝搅拌强度为120rmin^(-1),沉淀时间为30 min时,浊度去除率为95%,化学需氧量去除率达到75%,总磷去除率达到98%。
3. Switch Temperature The temperature at which the resistance value of the PTC thermistor increases to twiceRmin, also called Curie temperature.
开关温度当PTC热敏电阻器的阻值升至2倍最小电阻值所对应的温度就是开关温度。也称居里温度。
4. Under the operation conditions of rotating speed