研究设计：回顾医学记录和电子数据库确定颈托所致压疮的发生率及预测因素。
Study Design. Retrospective medical record and electronic database audit to ascertain the incidence and predictors of cervical collar-related decubitus ulceration (CRU).
本文对以托卡马克为聚变装置、氦气冷却板状元件包层的聚变-裂变混合堆进行了稳态、卸压和全厂断电断流的热工分析。
This paper presents the thermal analyses for steady state, depressurization and total loss of flow in the tokamak heliumcooling slab fuel element fusion-fission hybrid reactor.
结果表明：托桩桩身轴力、位移沿桩身分布呈上弯分布，与压桩的下弯分布相反。
The results indicate that the distribution curves of axial forces and sectional settlement are protuberant, which is contrary to top-loaded piles.
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