stable period

Radon-impermeable technique, mineralized water and free water analysis, and formation-sealing measures are adopted. All this keeps the pits stable for a long period of time. Test results show that pit specifications meet design requirements.

技术，矿化水、自由水分析及地层全密封措施，以保证放射性长期稳定，而且数据定值分析、测定结果数据与设计值相符。

This study observation period, two participants were vital signs are stable, no adverse events.

本研究观察期间，两组受试者生命体征均稳定，无不良事件发生。

This bears certain guiding significance to keep oil production stable period of high water cut stage.

这对高含水后期保持油田继续稳产,具有一定的指导意义.

Based on the theoretical model, the length of trajectory, number of grinding marks and grinding stable period are deduced. The relationship between grinding surface quality and the density of grinding marks is theoretically analyzed.

在运动学模型的基础上，推导了磨粒轨迹长度、磨纹数量以及磨削稳定周期的公式，并分析了磨粒轨迹对表面质量的影响关系。

It is clear that BHT can prolong the stable period of the endothermic fuel NNJ-150 against thermal-oxidation. At 150 ℃, the effective stable period can be prolonged to about 400 hours by adding the antioxidant of BHT.

BHT的加入明显地延长了吸热型碳氢燃料NNJ-150的热氧化安定期，150℃时有效作用期可达近400h。

General price level will basically be stable if the average economic growth rate per year is 7% to 8% during the 10 th five-year-plan period.

如果十五时期我们能保持年均7%～8%的经济增长速度，价格总水平就可以保持基本稳定。

Close to the fourth purpose of artistic gymnastics Olympic cycle technology is relatively mature, pommel horse, rings, entered a stable period.

近四届奥运周期竞技体操各项目的技术发展相对成熟，鞍马、吊环进入了稳定时期。

whereas, huizhou entered a relatively stable period of more than one hundred years after revolt of the three feudatories.

但自三藩之乱后，徽州进入了一百多年相对稳定的时期。

Conclusions: The stable period of synthesized peracetic acid stored at room temperature 18~ 22 ℃ was longer than that stored in 25 ℃ thermostatic chamber.

结论，合成好的过氧乙酸在18～22℃室温下储存比在25℃恒温柜内储存稳定期长；