Objective:To explore the changes of hexosamine and phospholipids in gastric mucosa of rats with open abdominal trauma after seawater immersion. 目的探讨大鼠腹部开放伤后海水浸泡的胃黏膜中氨基己糖和磷脂的改变。
The result shows that inspecting cabtyre sheathing by ultrasonic is feasible, and the immersion method would be the most reasonable one. 提出了采用水浸法及聚焦探头是比较合理的探伤方法，同时为超声波应用于硬质橡胶材料的质量检测提供了一定的依据。
Plastics -- Methods for determining the density of non-cellular plastics -- Part 1: Immersion method, liquid pyknometer method and titration method 塑料.非泡沫塑料的密度测定方法.第一部分:浸渍法、液体比重瓶法和滴定法.
Filter bed should be exposurd as less as possible because alternation of exposure and immersion is disbennifit to the penetrability of filter bed. 依据水质资料分析了水源水质安全保障。
Unlike traditional latex or acrylic coatings, polyurea, as a suitable waterproofer even under seawater immersion, is in no way influenced by ponding water, which is very often on existing roofs. 优于丙烯酸防水涂料的主要一点是聚脲的耐积水性能，而屋面积水在国内非常普遍。