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【求助】求翻译一小段~~
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| The hydroxyl region was observed on samples made into self-supporting wafers of around 20 mg/ cm2 and previously submitted to a thermal treatment under vacuum at 200 °C for 5 h. Si solid-stateNMRwas performed on a Bruker DSX-300 spectrometer operating at 59.63 MHz by use of cross-polarization from proton. The contact time was 5 ms, the recycle delay 1 s, and the spinning rate 10 kHz. 谢谢~~刚读文献不久不太明白~·有些单词词组翻译不出来~· |
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