周四早晨，日本自卫队开始从直升机上对3号反应堆进行4次注水，他们计划在周四的某个时间对4号反应堆采取同样的措施。
On Thursday morning, Japan's Self-Defense Forces started dumping water from a helicopter on reactor No. 3, making four passes. They planned to do the same for No. 4 sometime Thursday.
第一警卫队的直升机被调用来向反应堆进行空中注水，但由于担心核辐射剂量过高，一小时后便不得不放弃注水。
First military helicopters were deployed to dump water on the site from the air, although fears over radiation levels meant they had to give up after about an hour.
但是，近来试图通过向反应堆容器注水来降温的努力似乎遇到了困难。
Recent attempts to keep the reactor cool by filling the containment chamber with water have run into difficulty.
程序上及其清楚地说明了反应器注水的时机，操作员也应该多次练习怎样注水。
Friedlander said, and operators at the plant should have practiced many times over the years how to flood them with seawater.
海啸退去关键的几个小时内，东电未能向反应堆核心注水降温。
In the crucial hours after the tsunami, TEPCO failed to add water to cool the reactor cores.
官方后来表明使用直升机向4号反应堆注水可能无法实行。
The authorities later said that using helicopters to put spray water on reactor no. 4 might not be feasible.
周五，工作人员继续向受损核反应堆注水，试图冷却高放射性燃料棒防止其过热。
On Friday, workers continued to direct water on the damaged reactor buildings. It was an attempt to cool the highly radioactive fuel rods from overheating.
如果早些开始注水流程，反应器的温度和压强水平较低，注水也相对容易。
It would have been much easier to have used seawater earlier because the temperature and pressure of the reactors were lower then, making it easier to push water into them.
叙述了裂解气压缩机内的聚合反应、避免方法。简要地指出了注水系统设计中的要求。
The aggregation reaction in crack gas compressor is described. The requirement of water inject system design is briefly pointed out.
遮流板的使用可以有效提高反应堆非能动注水系统的安全性。
The use of sparger can improve the safety of the negative water - supply system efficiently.
在注水过程中，钡离子和硫酸根离子的化学反应虽然发生在整个储层中，但是硫酸钡沉淀主要集中在近井带。
In the injection process, the barium ion and sulfate ion chemical reactions occur in the reservoir, but the barium sulfate precipitation mainly concentrated in the near wellbore.
注水时间越长，注水强度越高，井组注水见效的反应越明显。
Longer injection time brings higher water intake and more response of water flooding in well group.
注水时间越长，注水强度越高，井组注水见效的反应越明显。
Longer injection time brings higher water intake and more response of water flooding in well group.
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