初元（前48年—前44年）是西汉时期皇帝汉元帝刘奭(即刘爽，“奭”音同“释”，拼音“shì”)的第一个年号，共计5年。
元是“初”“始”的意思，旦指“日子”，元旦合称即是“初始的日子”，也就是一年的第一天。
Yuan is "beginning" "beginning" mean, denier means "day", New Years day, the company that is "initial day", also is the first day of the year.
本文用有限元方法分析了一定初缺陷杆受轴向冲击的弹塑性动态屈曲。
Using the finite element method, the dynamic buckling of a bar with finite initial imperfection under axial impact is analyzed in this paper.
通过缓凝三元复合制成缓凝高效减水剂，延长初凝时间至20 小时以上，并且对混凝土后期强度无副作用。
Mix with setretarder could make compound dispersants setretarder superplasticizer which could extend initial setting time up to 20h and no negative effect on late compressive strength.
应用推荐