Methods The level of serum potassium(K) , natrium (Na) and chlorine(Cl) were measured in 71 neonates suffered birth asphyxia and 20 normal newborns.
方法对71例窒息新生儿和20例正常新生儿血清钾、钠、氯电解质进行了监测。
2
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
3
Potassium(K) named "quality element" is one of the important elements which cotton needs in growth and development, and it plays an important part in fiber quality formation of cotton.