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[求助]
懇請NMR高手幫我看看這句話怎么譯好?
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In a simple 90◦ one-pulse experiment, the transmitter emits a radio frequency signal at the resonance frequency of the nuclide being observed a pulse long enough to equalize the populations of the higher and lower nuclear energy levels. Typical pulses are 1-15μs long. After these pulses, the sample begins to emit a radio frequency signal at a resonance frequency as the spin system dephases。 關(guān)于“ being observed a pulse long enough to equalize the populations of the higher and lower nuclear energy levels”充當(dāng)?shù)氖鞘裁淳浞ǔ煞职?還有后面的“as the spin system dephases”是什么意思? 這是我的翻譯“在簡單的90 單脈沖測試中,發(fā)射器在核素的共振頻率下發(fā)出電磁波頻率信號,能觀測到一個(gè)足夠長的脈沖信號以平衡較高或較低核能級的量。典型的脈沖是1-15μs 長。在這些脈沖后,因?yàn)樽孕到y(tǒng)移相,樣品在共振頻率下開始輻射電磁波頻率信號” |
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金蟲 (著名寫手)
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