针对海上油田油井的无机物堵塞问题,研制了BF-05非酸解堵体系。该体系能有效解除地层无机物堵塞,解堵后返排液无需加碱处理,可直接......

AIM:To determine whether an increased number and duration of non-acid reflux events as measured using the multichannel i......

This review focuses on the pathophysiology of gastroesophageal reflux disease (GERD) and its implications for treatment.......

In this paper, the performance of a waste rock transportation process in an open pit mine was assessed by using cycle ti......

This study presents the effect of excavator model, loading operation location, shift availability and truck-shovel combi......