试验结果表明，高温条件下，咪唑啉发生开环反应，生成了酰胺类物质。
Results showed that imidazoline was hydrolyzed to amide by ring opening reaction under high temperature.
通过各种阶跃输入下的开环响应试验，对烘干过程的动态特性作了调研。
The dynamics of drying process is investigated by step change response in a open-loop.
在稳态试验的基础上，对转子过前两阶临界转速的振动抑制进行了研究，并实施开环瞬态振动控制。
On the basis of steady state tests, the vibration suppression of the rotor through the first two critical speeds has been done.
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