气泡室

这样量级的时间是通过测量粒子在气泡室中径迹长度直接得到的。

Times of this order are deduced directly by measuring the length of the particle track in a bubble chamber .

利用联合原子核研究所24立升丙烷气泡室照片，对动量为6.8GeV/cπ~-介子与核子非弹性作用产生π~0介子的问题进行了研究。

Using the 24-litre propane chamber , photographs from JINR π 0-meson production in inelastic interactions of π & mesons of momentum 6.8 GeV / c with nucleons are examined .

气泡室由于不能触发而没有选择性。

Bubble chambers are not selective because they cannot be triggered .

建立了气泡室中胚胎气泡成长为可见气泡模型。

A model of a " embryo " bubble growing up a visible bubble in the bubble camber is established .

液态氢（沸点-252.8℃）用于实验室以产生极低的温度，用于气泡室中，和用作火箭燃料。

Liquid hydrogen ( Boiling point - 423 f [ - 252.8 c ] ) is used in scientific and commercial applications to produce extremely low temperatures and as a rocket propellant and a fuel for fuel cells .