The temperature at which the air is saturated with water vapor and below which condensation of water vapor will occur is referred to as the().
In a vapor compression refrigeration the evaporating pressure is maintained constant by the action of the (), which removes vapor from the evaporator at the same rate at which it is formed.
Vapor given off by a flammable liquid will burn when ignited provided()
The effect of high vapor superheat in a refrigeration system, is a/an ().
The lowest temperature at which a liquid gives off enough vapor to ignite in the presence of an ignition source is called its ().
The evaporating pressure in R22 vapor compression refrigeration plant should be () atmospheric.
The minimum concentration of a vapor in air which can form an explosive mixture is called the().
Fueling activities()waste liquids and vapor releases to air.
The lowest temperature at which the vapor formed from a liquid ignites and continues to burn steadily in the presence of an ignition source is called the ()
简述气相外延生长(VPE,vapor phase epitoxy)的原理。