pH-metry

noun

(sciences, medicine) pH testing: testing of pH (degree of acidity or basicity/alkalinity).

pH-metry is a technique used to measure the acidity or alkalinity of a solution.

意味（1）

(sciences, medicine) pH testing: testing of pH (degree of acidity or basicity/alkalinity).

Long-term ambulatory pH-metry is of clinical value in detecting pathologic reflux in symptomatic patients with negative endoscopy.