Because the oil filling operation of the QDT MWD pulser is difficult to grasp, the logging signals often disappear when QDT MWD is used.
QDT MWD在使用中由于脉冲发生器充油不好掌握，常出现井下无信号现象。
Effects of QDT on xylene-induced auricular swelling in S180 transplanted mice, as well as effects on bronchial phenol red excretion in H22 transplanted mice, were assayed.
观察清金片各剂量组时肉瘤180（S180）荷瘤小鼠二甲苯致炎的耳肿胀度，以及H22腹水瘤荷瘤小鼠气管内酚红排出量的影响。
应用推荐