reactor-core 作用
    英文回答：
    Reactor Core is the foundation of modern nuclear reactors. It is where the controlled nuclear chain reaction takes place, releasing heat that is used to generate steam and electricity. The core consists of several components, including:
    Fuel assemblies: These assemblies contain the nuclear fuel, which is typically uranium or plutonium.
    Control rods: These rods are used to control the rate of the nuclear reaction by absorbing neutrons.
    Moderator: This material is used to slow down neutrons, making them more likely to be absorbed by the fuel.
    Coolant: This fluid is used to remove heat from the core.
    The nuclear reaction in the core is a chain reaction, meaning that neutrons released from the fission of one atom can cause the fission of other atoms. This process continues, releasing a tremendous amount of heat. The heat is used to boil water and create steam, which is then used to drive a turbine that generates electricity.
    The reactor core is a critical component of a nuclear reactor, and it must be carefully designed and operated to ensure safety and efficiency. There are a number of safety features built into the core to prevent accidents, including:
    Emergency shutdown systems: These systems can be activated to quickly stop the nuclear reaction in the event of an emergency.
    Containment structures: These structures are designed to prevent the release of radioactive material in the event of an accident.
    Reactor cores are an essential part of nuclear power plants, and they play a vital role in generating electricity around the world.
reactor core介绍    中文回答：
    反应堆堆芯是现代核反应堆的基础。它是在受控核链式反应发生的地方，释放热量用于产生蒸汽和电力。堆芯由几个组成部分组成，包括：
    燃料组件，这些组件包含核燃料，通常是铀或钚。
    控制棒，这些棒用于通过吸收中子来控制核反应的速率。
    慢化剂，这种材料用于减缓中子，使其更容易被燃料吸收。
    冷却剂，这种流体用于从堆芯中去除热量。
    堆芯中的核反应是链式反应，这意味着从一个原子裂变中释放的中子会导致其他原子的裂变。这个过程不断重复，释放大量的热量。热量用于将水煮沸并产生蒸汽，然后用来驱动发电机发电。
    反应堆堆芯是核反应堆的重要组成部分，必须小心设计和操作，以确保安全和效率。为了防止事故，堆芯中内置了许多安全功能，包括：
    紧急停堆系统，这些系统可以在紧急情况下被激活以快速停止核反应。
    安全壳，这些结构旨在防止在事故发生时释放放射性物质。
    反应堆堆芯是核电厂的重要组成部分，它们在世界各地的电力生产中发挥着至关重要的作用。

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