John Authers 奥瑟兹 ; 约翰 ; 奥瑟斯 ; 约翰仔
Methods The authers computed the alarming lines and warning lines according to the baseline and judged the change of the birth defects.
方法根据基线数据制定报警线和警告线，然后判断出生缺陷的发生是否有增加或降低。
Through the research of the physical and mechanical properties of the self leveling mortar, The authers developed a super flowing agent.
通过流化剂组分对自流平砂浆的流平性能及物理力学性能影响的试验研究，研制出一种砂浆用的高效自流平流化剂。
Authers have studied the transformation processes of cold air over land in East Asia for eight cases which occurred in different months of 1981.
本文对1981年不同月份8次东亚冷空气活动的陆地变性过程进行了分析。
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