注气可使凝析气露点有所升高，长岩心实验表明保持压力越高凝析油采收率越高。

Gas injection may make dew point of condensate gas increase. The long-core experiments show that the higher the pressure upkeep is, the higher condensate oil recovery is.

介绍了变压吸附法制低露点氮气的基本原理及在热硫化硅橡胶生胶生产中的应用。

The principle of production of low-dew-point nitrogen by pressure swing adsorption(PSA) was described, and the application in the manufacture of silicone rubber was introduced.

本文提出以安托尼公式为基础的初温计算式和新的温度调整式，使天然气泡点、露点计算快速。

A new temperature adjustment formula and initial formula based on Antoine equation are proposed in this paper. It makes the calculation of natural gas bubble and dew point quick and correct.