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釋道芯銀蟲 (小有名氣)
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[求助]
論文翻譯。。
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Melting points were recorded in a Buchi capillary melting point (R-535) apparatus and are uncorrected. IR spectra were recorded on a Perkin–Elmer FT-IR 240C spectrophotometer. 1H NMR spectra were recorded on Gemini-200 spectrometer with TMS as the internal standard. Mass spectra were recorded on a Finnigan MAT 1020 mass spectrometer operating at 70 ev. All chemicals or reagents were purchased from standard commercial suppliers. |
鐵桿木蟲 (著名寫手)
Farmer
| 熔點是在Buchi毛細(xì)管熔點儀(R-535)上測定的,結(jié)果沒有進行校正。 紅外光譜時在Perkin–Elmer FT-IR 240C 紅外光譜儀上測定的; 1H NMR核磁共振譜是在Gemini-200核磁共振儀上測定的,所用的內(nèi)標(biāo)物是TMS; 質(zhì)譜是 在Finnigan MAT 1020 質(zhì)譜儀上測定的,操作能量是 70 eV; 所有的化學(xué)品和試劑都是從標(biāo)準(zhǔn)的商業(yè)供貨商處購買的。 |

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