Culture pot experiment was used to study the effects of limestone on the content of soil available heavy meatal before planting vegetables in acid soil.
前言：采用盆栽的方式研究了蔬菜种植前施用石灰对南方强酸性土壤中有效态重金属含量的影响。
2
The author used bony meatal skin as a pedicle graft to make tympanoplasty. Theprocedures of the operation went into details and illustrated in some figures.
本文介绍用骨性外耳道带蒂皮瓣做鼓室成形术，叙述了手术方法并附有插图。
3
The plastic instability behavior of the laser-textured steel sheet with defined surface features is investigated. Comparison is made with the normal sheet taken from the same coil of meatal sheet.