rarify

• vt. 使成精细；使变稀薄
• vi. 变稀薄；纯化

American Patents: 215,572 Purifying, circulating and rarifyin air
Uji Kinerja Prototipe Mesin Pendingin Adsorpsi Intermitten Silicagel-Metanol
First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Interpretation of the TT and TE Angular Power Spectrum Peaks
A model for particulate contaminated glow discharges
Method for pretreating the surface of a medical device
High Altitude: An Exploration of Human Adaptation
Distribution of Azure-winged Magpies Cyanopica cooki in Spain: both local and large-scale factors considered
Interpretation of the Helix Planetary Nebula using Hydro-Gravitational-Dynamics: Planets and Dark Energy
Effects of tandem and colliding shock waves on the initiation of triaminotrinitrobenzene
The effects of landform and plant size on mortality and recovery of longleaf pine during a 100-year flood