测量了反应堆堆芯里的中子通量分布。
Neutron flux distributions in the reactor core are measured.
应用双群理论计算了反应堆堆芯物理常数。
The physical parameters of the reactor core are calculated by method of the two-group theory.
要设计成能传输出从反应堆堆芯产生的热量。
The system is designed for transferring heat from the reactor core.
之前放射性的碘、铯的释放表明至少一个反应堆堆芯已被释放。
Previous releases of radioactive iodine and caesium had shown that material from the core of at least one reactor has been released.
反应堆堆芯损坏是反应堆运行中可能出现的严重事故。
Nuclear reactor core damage is a possible severe accident during nuclear reactor operation.
危险的是电厂非常热的热反应堆堆芯必须持续冷却24到48个小时。
The danger is, the very thermally hot reactor cores at the plant must be continuously cooled for 24 to 48 hours.
到那时，反应堆堆芯的燃料温度会下降，且也不会导致周围水温升高。
At that point, the fuel at the core of the reactors would have dropped in temperature and no longer be capable of boiling the surrounding water.
除了反应堆堆芯，用来储存辐射性极强的辐照核燃料的贮存池也很危险。
In addition to the reactor cores, the storage pool for highly radioactive irradiated nuclear fuel is also at risk.
除了反应堆堆芯，用来储存辐射性极强的辐照核燃料的贮存池也很危险。
In addition to the reactor cores, the storage pool for highly radioactive irradiated nuclear fuel is also at risk. The pool cooling water must be continuously circulated.
三个反应堆曾因海啸破坏了其冷却系统而发生反应堆堆芯熔毁。
Three reactors melted down after the tsunami wrecked their cooling systems.
水泵在没有电力的情况下将无法工作，这样热反应堆堆芯就无法得到冷却。
Without any electricity, the pumps won't be able to pump water through the hot reactor cores to cool them.
本文给出了用于核反应堆堆芯热工水力瞬态分析的两流体模型。
This paper presents a two-fluid model applied in thermal hydraulic transient analysis of nuclear reactor cores.
9秒由硼和银制成的控制棒被降下，减慢反应堆堆芯内的核链式反应。
9 SEC the control rods, made of boron and silver, are lowered, which slows down the nuclear chain reaction within the core.
原子能专家说，核反应堆堆芯的放射线能够把水分子一分为二从而产生氢气。
Nuclear experts say that radiation from the core of a reactor can split water molecules in two, releasing hydrogen.
阐述了核反应堆堆芯的中子动力学数学模型，并应用该模型建立传递函数。
This paper expound the neutron dynamic math model of a nuclear reactor and applied this model to set up the transfer function.
本文主要对热平衡测量核反应堆堆芯功率的方法，计算原理进行全面的描述。
This paper mainly describes the method by which the core power is measured and the calculation theory of the heat-balance.
研究和设计了一种热电偶空间滤波检测器，用于一体化布置的反应堆堆芯流量测量。
The design and study on thermocouple spacial filter have been conducted for the flow measurement of integrated reactor coolant .
相反，反应堆拥有非常坚固的围阻体，可以承受由于反应堆堆芯融化而产生的大剂量辐射。
By contrast, reactors have strong containment vessels that stand a better chance of bottling up radiation from a meltdown of the fuel in the reactor core.
他们指出，该反应堆堆芯现在保持的压力与温度并不高，远远低于会导致堆芯进一步融化的水平。
They note that pressure and the temperature inside the reactor core remain at levels far lower than what would further melt the core.
介绍了反应堆堆芯中子源的功能，发射中子的原理以及秦山二期工程一次和二次中子源组件的结构和特点。
This paper described the function of neutron source assembly, the principle of neutron emission, and also described the structure and characteristics for primary and secondary neutron source assembly.
通过建立精确的数学模型，提出了一种测量核电站压水反应堆堆芯热功率的方法，并对该方法进行了误差分析。
Based on an exact mathematic model, a measurement method regarding core thermal power of nuclear power pressurized water reactor and its error analysis were presented in this paper.
核电站需要现场电源提供动力操作马达、阀门和各项控制系统的仪表，而且还为反应堆堆芯的冷却水系统提供电力。
Nuclear plants generally need ac power to operate the motors, valves and instruments that control the systems that provide cooling water to the radioactive core.
虽然他们都安然无恙，但是却面临着新的恐怖——离他们30英里外的福岛第一核电站可能会发生灾难性的核反应堆堆芯熔化事故。
My relatives are unharmed, but there are new fears of a catastrophic meltdown at the Fukushima Daiichi nuclear power plant, just 30 miles away.
虽然他们都安然无恙，但是却面临着新的恐怖——离他们30英里外的福岛第一核电站可能会发生灾难性的核反应堆堆芯熔化事故。
My relatives are unharmed, but there are new fears of a catastrophic meltdown at the Fukushima Daiichi nuclear power plant, just 30 miles away.
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