两个自由羟基,都容易酯化.Both the free hydroxyl groups readily undergo esterification.多数情况下水解速度较酯化速度低得多.The rate of hydrolysis is for the most part significantly lower than the esterification rate.探讨了PET酯 化、聚合生产过程对熔体直接纺丝的影响.The effe...
星地 测控 对接试验常用的手段有三种: 真星产品对接、专用测控模拟器对接、通用测控模拟器对接.There are three Methods: Which are using in TT & C compatibility test between ground station with satellite.根据生产实践, 论述了地测工作在煤矿安全生产中的重要作用以及对生产的重要指导意义.Based on the production ...
I could hear the sound of a band tuning up.我能听到乐队调音的声音。There's a lot of fine-tuning to be done yet.还需要作出很多微调。Proven troubleshooting and problem solving skills, high tuning skills preferred.有较强的分析及解决问题的能力, 有滤波器调试经验者优...