在醇溶剂中,它不能被硼氢化物还原.It is resistant to borohydride reduction in alcoholic solvents.然后氢化物在低温火焰中分解.The hydrides are then decomposed in a low - temperature flame.论述了锡氢化物的形成条件和物理化学特征.Forming conditions and physical and chemical...
Polluted insulators may flashover at any time under disadvantage weather conditions.在恶劣的自然环境下,积污绝缘子随时可能发生闪络.In comparison with simulation tests, the mechanism of guano - caused flashover is basically clarified.通过模拟试验的对照,...
I wrote back to Meudon at once to fix up a meeting.我马上给缪顿回信安排会面。She paused and then said,'shall I fix up the other bedroom? "她停了一会儿又说: “ 要我把另一间卧室给你收拾收拾 吗 ? ”I think we can fix up with what you want.我想我们能安排好你需要的东西....
这是个发颤音的字母.This is a letter with a trill.在声音上它们基本算得上安静, 然而高兴时它们会发颤音 、 唧唧声和短而轻的声音.They are basically quiet cats in voice, however they do trill, chirp and click when delighted....