helium

n.

氦；

liquid helium液氦；液态氦

helium gas氦气

1. Helium and neon are inert gases.
   氦和氖为惰性气体。
2. Most big balloons are now filled with helium.
   现在许多大气球中充的是氦气。

The Universe in a Helium Droplet
Theory of the Superfluidity of Helium II
Effective Mass of Ions in Liquid Helium II.
Probable observation of a supersolid helium phase
An accurate intermolecular potential for helium
Path integrals in the theory of condensed helium
Correlated Orbitals for the Ground State of Heliumlike Systems
Unimpeded permeation of water through helium-leak-tight graphene-based membranes
Quantum electrodynamical corrections to the fine structure of helium
THE VOLUME OF THE LUNG DETERMINED BY HELIUM DILUTION. DESCRIPTION OF THE METHOD AND COMPARISON WITH OTHER PROCEDURES.