fuel burn-up

基本解釋

The maximum of burn-up fuel elements could be controlled below the burn-up limit.
實現(xiàn)平均燃耗條件下卸料的最大燃耗不超過限值的設計目標。
d.wanfangdata.com.cn
Due to deep burn-up, the spent fuel of nuclear power reactors has not only complex composition, but also high-level radioactivity.
動力堆乏燃料由于其燃耗深，所以成分復雜，放射性強，從而給其后處理分析帶來極大的困難。
Processing of spent fuel with high burn-up should take special measure in order to avoid heavy radiolytic degradation of the solvent and the criticality of plutonium.
當處理高燃耗的乏燃料時，應采取特別措施，以避免造成溶劑的嚴重輻解和钚的臨界問題。

Nuclear engineers have long known of increased risks from high burn-up fuels, but scientists at Argonne have been sounding the alarm about storage dangers in recent years after their research ( pdf) showed high burn-up fuels may result in fuel rods becoming more brittle over time.
FORBES: Fancy New Lids for Nuclear Waste Casks, As Contents Get Hotter