The results show that: in the ultra-low permeability permeable reservoirs development process, injection pressure increases first and then decreases, at last stays stable;

研究结果表明：特低渗油藏在不同开发方式开发过程中，注入压力都表现为先上升后下降，最后趋于稳定值；

youdao

Dahlia, what exactly do these death row inmates say is the matter with the lethal injection process?

NPR: Slate's Jurisprudence: Cruel, Unusual Injections?

The injection process is expected to take about six days, officials say.

BBC: Japan quake: Nitrogen pumped into nuclear reactor

The state governor then delayed next month's execution of Darryl Durr, until a judge hears arguments over problems with the injection process.

BBC: Ohio governor delays executions