Meterological statistics of winters during Oct.1,1961～Mar.31,1991 in southeastern Anhui province was analyzed. The cold air developing cold wave in southeastern Anhui originated in the Arctic,88% of which moved southward via Eastern Mongolia.
用皖东南地区1961年10月1日～1991年3月31日每年的冬半年气象资料统计分析，结果表明：（1）皖东南地区寒潮冷空气源于北冰洋，其路径88％经蒙古人民共和国东部南下影响本地区。
参考来源 - 皖东南地区寒潮的气候特征(简报)Meanwhile, the simulation of cold wave occurred during construction shows that the ultimate tensile strength of concrete is low during its early age state. If a cold wave happens, the possibility of surface cracking is lager.
同时,模拟施工期间寒潮发生的情况,可以看出由于施工期间混凝土处于早龄期状态其极限抗拉强度低,若发生寒潮,加大了表面开裂的可能性。
参考来源 - 混凝土空心墩温度效应有限元分析·2,447,543篇论文数据，部分数据来源于NoteExpress
N a sudden spell of low temperatures over a wide area, often following the passage of a cold front 寒潮 [meteorol]
应用推荐