周启星， 梁仁禄，王新采用盆栽实验的方法研究了土壤外源汞对大豆幼苗生长发育的影响。
Pot experiment studies were conducted on soil treated with mercury to probe the effectiveness of the heavy metal on soybean seeding growth.
梁段、柱段变形引起的梁外端挠度可利用已有悬臂柱低周交变加载模拟程序计算，再通过几何关系换算得到。
The beam end displacement due to beam and column deformation may be calculated by existing cantilever program and then converted by geometric relation.
目的：为了探讨悬臂梁的存在及其长度对种植牙周骨界面应力传递、分布规律的影响。
Objective: To investigate the influence of cantilever lengths on the load transfer and stress distribution patterns of the interface between the bone and dental implants.
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