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wuyuyu2007銅蟲 (小有名氣)
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[求助]
請教英文好的大俠三句英文句子的語法，看看小妹寫的是否正確
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第1句：However, because the emission spectra of these phosphors absences in the red region, so YAG: Ce based white LED has a poor color rendering index (CRI). 網(wǎng)友修正：However, these phosphors lack the red region in their emission spectra of , therefore YAG: Ce based white LED has a poor color rendering index (CRI). 樓主疑問：是不是of 應該移到lack 后面：However, these phosphors lack of the red region in their emission spectra , therefore YAG: Ce based white LED has a poor color rendering index (CRI). 第2句： It can be seen clearly that the enhancement of Ce3+ co-doped SrSiON:Eu2+ is about 140% compared with the one without Ce3+ co-doped. 應該寫明具體是什么增加了，折中表達法很不合理 樓主疑問：改成這樣可以么：It can be seen clearly that the luminescent properties of SrSiON:Eu2+ ,Ce3+ phosphor are enhanced about 140% compared with the one without Ce3+ co-doped. 第3句：Therefore, the electric dipole-dipole interaction predominates in the ET mechanism is from Ce3+ to Eu2+ in SrSiON: Eu2+,Ce3+. 這句話很難看懂，句子結構不合理 樓主疑問：改成這樣可以么，Hence, the energy transfer from Ce3+ to Eu2+ ions is predominantly attributed to the electric dipole-dipole interaction. |
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youmomaoyan
鐵桿木蟲 (正式寫手)
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【答案】應助回帖
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wuyuyu2007: 金幣+1, ★★★很有幫助, 非常感謝啊，看來英文果然~哎，那句強度增加的話，不知道變了多少回了，還是不對~ 2012-09-22 09:10:23
wuyuyu2007: 金幣+1, ★★★很有幫助, 非常感謝啊，看來英文果然~哎，那句強度增加的話，不知道變了多少回了，還是不對~ 2012-09-22 09:10:23
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你看看這樣OK不.... 第一句：However, YAG: Ce based white LEDs with low color-rendering index (CRI) because of the lack of red light component . 第二句:你還是沒有說明增強的140%是什么。發(fā)光性能不能說增強140%。你可以說是發(fā)射強度，或是什么，他得是一個值。比如說：It is obvious that emission intensity of the SrSiON:Eu2+phosphors are enhanced about 140% by co-doped with Ce3+. 第三句：The energy transfer from Ce3+to Eu2+in the host lattice of SrSiNO is quite common，and has been observed in aluminum oxynitride phosphor， which is generally attributed to the electric dipole-dipole interaction. |
3樓2012-09-21 16:12:15
youmomaoyan
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cencera
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