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| 本帖產(chǎn)生 1 個 翻譯EPI ，點擊這里進行查看 | |||
sunny1992720新蟲 (小有名氣)
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[求助]
麻煩翻譯一下吧，急需呢，是在是萬分感謝啊，謝謝，拜托
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The glass was prepared by hydrolysis and polycondensation of 25 ml of tetraethyl orthosilicate (TEOS) (Aldrich, 98%), 3.42 ml of triethyl phosphate (TEP)(Aldrich, 99%), and 16.53 g of Ca(NO3)2 4H2O (Aldrich, 99%), that is, stoichiometric amounts to obtain anominal composition (mole %) of SiO2 (58), CaO (36), and P2O5 (6). 2 n of HNO3 was used to catalyse theTEOS and TEP hydrolysis, using a molar ratio of H2O/ (TEOS+TEP)=8. Each reactant was consecutivelyadded in 1 h intervals under continuous stirring. Afterwards, the solution was introduced in a hermeticallysealed cylindrical Teflon container where it was allowed to gel at room temperature and then aged at 701C for 3days. The drying was carried out at 1501C for 52 h, having replaced the previous container lid with onefeaturing a hole 1mm in diameter. |
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
sunny1992720: 金幣+20, 翻譯EPI+1, ★★★★★最佳答案, 不錯啊，謝謝你 2014-11-10 10:36:26
sunny1992720: 金幣+20, 翻譯EPI+1, ★★★★★最佳答案, 不錯啊，謝謝你 2014-11-10 10:36:26
| 玻璃通過25mL四乙氧基硅烷（TEOS）(Aldrich, 98%)、3.42mL三乙基膦 (TEP)(Aldrich, 99%)和16.53 g Ca(NO3)2 4H2O (Aldrich,99%)的水解聚合得到，按化學(xué)計量比各成分的摩爾百分比(mole %)為SiO2 (58)、CaO (36)、P2O5 (6)。加入2n的硝酸催化TEOS和TEP水解，其中水與(TEOS+TEP)的摩爾比為8。在攪拌下反應(yīng)物每隔一小時連續(xù)加入。隨后將溶液加入到圓柱形四氟乙烯容器并密封，待溶液在室溫下成膠后在70度老化三天。隨后將密封蓋換成一有孔蓋（直徑1mm）并在150度下干燥52個小時。 |
2樓2014-11-10 03:02:52
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