The phosphate negative sorption for the six lake sediment samples was studied in high and low initial phosphate concentration conditions respectively.
分别在高、低两种磷酸盐质量浓度下,研究了6个湖泊沉积物对磷酸盐的负吸附。
Objective:To explore the availability of oral misoprostol for cervical dilatation, reducing the complication of artificial abortion prior to vacuum aspiration.
目的 :探讨负吸术前加服米索前列醇对扩张宫颈 ,减少人流综合征的有效性。