The effects of operation parameters under backflushing were compared with non-backflushing;

比较了有无反冲存在下，操作参数对膜通量及其下降情况的影响；

youdao

Applying backflushing helps maintain the GC and the MS source by removing later eluting compounds from the column before reaching the MS, and prior to the next sample injection.

应用反吹技术可以在下一个样品进样之前，直接除去柱中的后洗脱化合物以防止其进入质谱仪，从而帮助我们保持气相色谱和离子源性能。

youdao