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| 本帖產(chǎn)生 1 個 翻譯EPI ，點擊這里進行查看 | ||
Shirley89銀蟲 (小有名氣)
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[求助]
求翻譯，希望是懂有機的，需要專業(yè)翻譯
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It is expected that the acid and base groups in SBA-15- A/B would be in equilibrium between the free acid and base and the ion pair that results from neutralization, and that the solvent would have a dramatic effect on this equilibrium, that is, protic solvents would confer different properties to aprotic solvents as a result of differing abilities to stabilize the neutralized ion pair. The equilibrium would lie towards the ion pair in polar, protic solvents, as proton exchange would be rapid and the protic solvent would stabilize the ion pair the most. Nonpolar, aprotic solvents would cause slower exchange of the protons and would stabilize an ion pair much less than a protic solvent, thus forcing the equilibrium in favor of the free acid and base. To investigate these possibilities, reactions were carried out in a variety of cosolvents to examine the effect of solvent polarity on conversion |
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phu_grassman
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快樂島、布吉島島主
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★
愛與雨下: 金幣+1 2015-03-11 18:42:46
Shirley89: 金幣+5, 翻譯EPI+1, ★有幫助 2015-03-13 09:34:49
愛與雨下: 金幣+1 2015-03-11 18:42:46
Shirley89: 金幣+5, 翻譯EPI+1, ★有幫助 2015-03-13 09:34:49
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據(jù)預(yù)測，SBA-15-A/B中的酸堿對將在游離酸堿和來自中和反應(yīng)的離子對間達到平衡，并且溶劑將對這一平衡產(chǎn)生很大影響。也就是說，由于具備不同的穩(wěn)定中和離子對的能力，極性溶劑將賦予非極性溶劑不同的特性。平衡將偏向處于極性質(zhì)子性溶劑中離子對的一側(cè)，因為質(zhì)子交換是快速進行的，并且質(zhì)子性溶劑可以最大限度地穩(wěn)定離子對。非極性非質(zhì)子性溶劑比質(zhì)子性溶劑....... 下班了  |
2樓2015-03-11 16:59:51
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