目前，第一道屏障——燃料包壳，已经明显失去功用，因为专家已经在核电站附近检测到了铯元素。
So far the first barrier, which is the fuel cladding, has apparently failed, because they are detecting cesium.
破损燃料组件定位检测系统是为了确保反应堆安全运行、及时处理燃料包壳破损事故的安全重要设备。
The failed fuel assembly identification system is an important safety system which ensures safe operations of reactor and immediate treatment of failed fuel rod cladding.
锆合金主要用作核反应堆燃料元件的包壳材料及其他堆内构件。
Zirconium-base alloys are used primarily as fuel cladding material and other core structure material in water cooled nuclear power reactors.
M 5合金是一种适用于高燃耗组件的新型锆合金，主要用作燃料棒包壳、端塞、导向管和定位格架材料。
M5 alloy was a new zirconium alloy used in high burn up assembly such as fuel cladding, end plug, guide tube and grid spring and so on.
锆合金作为轻水核反应堆燃料元件的包壳材料已得到了广泛的应用并积累了丰富的经验，因而仍被列为SCWR潜在的应用材料。
As a light water nuclear reactor fuel cladding material, Zr alloy has been wide used and its application experience accumulated, hence it is the potential materials for SCWR.
由于锆4合金具有低的中子吸收截面，良好的抗腐蚀能力、高强度以及延展性好的特点，被广泛用于压水堆作为核燃料棒的包壳材料。
Zircaloy - 4 is generally used as fuel tubes in pressurized water reactors because of it " s low neutron absorption cross - section, excellent corrosion resistance, good strength and ductility".
堆芯损伤状态包括堆芯无损伤、燃料元件包壳破损、燃料过热和燃料熔化等四种。
Core damage states include no core damage, fuel clad failure, fuel overheat and fuel melt.
棒状弥散型燃料由弥散型燃料芯体和包壳构成。
The metal matrix dispersion fuel rod consists of the metal cladding and the dispersion nuclear fuel meat.
棒状弥散型燃料由弥散型燃料芯体和包壳构成。
The metal matrix dispersion fuel rod consists of the metal cladding and the dispersion nuclear fuel meat.
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