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超級老快木蟲之王 (文學(xué)泰斗)
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[求助]
請大家?guī)兔纯催@段英文有什么問題，請?zhí)岢鰡栴}并修改一下，謝謝！
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| In Summary, ɑ-NaYF4 and β-NaYF4 nanocrystals were precipitated in the transparent Zincatesilion oxyfluoride glass by adjust the relative content of glass components of ZnO and Na2O, respectively. With the increase of ZnO/Na2O ratio, the glass network connectivity was greatly enhance, which resulted in the increase of glass transition temperature and crystallization temperature. Under 980 nm excitation, the characteristic Tb3+ emissions were observed in NaYF4:Tb3+/Yb3+ glass ceramics. In comparison with the cubic sample, the hexagonal NaYF4 can emit enhanced UC luminescence. Moreover, under 393 nm excitation, the symmetry around Eu3+ in cubic NaYF4 glass ceramics is higher than that in hexagonal sample. |
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卡爾俾斯
鐵桿木蟲 (著名寫手)
- 應(yīng)助: 10 (幼兒園)
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fjtony163: 金幣+1, 鼓勵應(yīng)助 2016-03-28 13:15:41
fjtony163: 金幣+1, 鼓勵應(yīng)助 2016-03-28 13:15:41
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第一，by adjust中的adjust要用動詞ing形式，第二，建議用一般現(xiàn)在時，第三，increase那句，有兩個increase，建議換個詞，比如growth等 發(fā)自小木蟲Android客戶端 |
2樓2016-03-28 12:23:54
genhunter
至尊木蟲 (著名寫手)
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超級老快: 金幣+50, 翻譯EPI+1, ★★★很有幫助 2016-03-29 11:13:36
超級老快: 金幣+50, 翻譯EPI+1, ★★★很有幫助 2016-03-29 11:13:36
| In Summary, ɑ-NaYF4 and β-NaYF4 nanocrystals were precipitated within the transparent Zincatesilion oxyfluoride glass by adjusting the ratio of (relative content of) ZnO and Na2O of the glass components, respectively. As the ratio of ZnO/Na2O increased, the connectivity of the glass network was greatly enhanced, which resulted in increases of the transition and the crystallization temperature of the glass. Under excitation at 980 nm , the characteristic Tb3+ emission peaks were observed in NaYF4:Tb3+/Yb3+ glass ceramics. In comparison with the cubic sample, the hexagonal NaYF4 can emit enhanced UC luminescence. Moreover, under excitation at 393 nm , the symmetry (of the emission curve?) around Eu3+ in the cubic NaYF4 glass ceramics is higher than that in the hexagonal sample. |
3樓2016-03-28 19:38:23
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