This paper analyses fully the applied force and damage types of self-aligning bearings of hydrofoil kingpost .

本文就水翼船翼柱自位球轴承受力情况和损伤形式作了全面分析,并对其材料代用和结构改进方案进行了可行性论证。

The paper analyses that flavone's total content measuring of Parthenocissus tricuspidate is extracted by scorbutic extractor and Cohobation method, measured by spectrophotometer.

采用索氏提取法和回流提取法对爬山虎中总黄酮含量进行了提取,并用分光光度法进行了测定。