pneumograph

n.

呼吸描记器；

Pneumograph
pneumograph
pneumograph
IMPEDANCE PNEUMOGRAPH
Simple capsule pneumograph
A pneumograph for inspiration-expiration ratios.
Acoustic measurement of the respiratory system-an acoustic pneumograph
Thoracic Cage Impedance Measurements - Calibration of an Impedance Pneumograph
An implantable impedance pneumograph monitor for detection of diaphragm contraction and airway obstruction during diaphragm pacing.
PSYCHO-PHYSICAL INVESTIGATIONS WITH THE GALVANOMETER AND PNEUMOGRAPH IN NORMAL AND INSANE INDIVIDUALS