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超級老快木蟲之王 (文學(xué)泰斗)
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[求助]
求漢譯英翻譯一句話,謝謝大家!
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| 一方面,這使得Er3+離子之間距離較大,而使得Er3+之間的交叉馳豫現(xiàn)象減弱,使上轉(zhuǎn)換發(fā)光的紅綠比減少。另一方面,稀土離子之間距離較大也避免了熒光淬滅,所以上轉(zhuǎn)換強(qiáng)度達(dá)到最大值。反之,單堿玻璃的紅綠比較大而上轉(zhuǎn)換發(fā)光強(qiáng)度較弱。 |
至尊木蟲 (著名寫手)
| In one way, this widens the distance between Er3+ ions, which weakens the cross relaxation effect among Er3+ ions, and decreases the ratio of red and green light intensities for the upper conversion emmision; on the other hand, the relatively large distance between rare earth ions also avoids the possible flourescence quenching, thus maximizes the light intensity for the upper conversion emmision. In contrast, the doped glass prepared using mono alkali tends to have a greater ratio of red and green light intensities, and less light intensity for the upper conversion emmision. |

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