pycnometer

n.

比重瓶；

1. The bicapillary pycnometer is a tool for accurate determination of density.
   双毛细管比重瓶是一种用于精确测量液体密度的仪器。

Pycnometer
Acoustic pycnometer
A Graduated Pycnometer
Root Air Measurements by a Pycnometer Method
A Continuously Weighed Pycnometer for Measuring Fluid Properties
A modified air pycnometer for compost air volume and density determination
Porosity determination of grains and seeds with air comparison pycnometer
Coupling a respirometer and a pycnometer, to study the biodegradability of solid organic wastes during composting
Standard Test Method for Density of Semi-Solid Bituminous Materials (Pycnometer Method)
Measurements of air-filled porosity in unsaturated organic matrices using a pycnometer