Some groups oppose nuclear power stations because they produce radioactivewaste and could release radioactivematerial if there was an accident.
一些组织反对核电站，因为它们会产生放射性废料，而如果发生事故可能会释放出放射性物质。
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Radioactive products or waste "means any material, including nuclear fuel, made radioactive by neutron irradiation incidental to the utilization of nuclear fuel in a nuclear ship."
Buffer material is one of the important engineered barriers in the high-level radioactivewaste (HLW) repository. Its thermal property is one of the key properties for the design of HLW repository.