利用氟离子选择性电极直接电位法测定了牙膏中的游离氟。
The content of free fluorine in toothpaste by potentiometry with a fluorine ion selective electrode is determined.
本文通过比较经右胸壁记录的右房电位和经食管记录的左房电位，大致能将游离壁旁路和间隔旁路区分开来。
By comparing right atrial potential recorded on the right anterior chest wall with left atrial potential recorded from the esophagus, we could roughly distinguish free-wall and septal AVBTs.
激光共聚焦显微镜检测细胞内游离钙及心肌细胞膜电位的变化。
The changes in the intracellular calcium content and the membrane potential of the myocardial cells were determined by laser confocal microscopy.
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