完全交换 meaning in Chinese
complete exchange
Examples
- As shown by uv - vis spectra , the contents of these europium - containing polyoxometalates in the composite films increase with the exchange time and become saturated after a number of days . x - ray diffraction patterns indicate the regular multibilayer structures of these composite films
用紫外-可见光谱仪监测离子交换过程，发现随着交换时间的增加交换速率逐渐变慢，最终多阴离子把前驱体膜中的氯离子完全交换掉。