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haizhoubuer新蟲 (初入文壇)
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[求助]
親們，江湖告急，求翻譯！有關(guān)高吸水性樹(shù)脂的合成與溶脹性能
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| The selection of the initiator and the dosage directly affects the reaction process and its results. Dosage determines the number of active sites in a system, which affects the reaction rate. The reaction rate is a very important factor for controlling experiments (Ma et al., 2011). Fig. 1(e) shows the effect of the initiator dosage on the resin absorption rate in distilled water and salt solutions. Furthermore, as the initiator concentration was increased, the absorbency of the resin, both in distilled water and salt solutions, initially increased, and decreased thereafter. When the initiator dosage accounted for 0.3% of the total monomer, the water absorbency of the resin for both distilled water and 0.9 wt.% NaCl was the highest at 1183 g/g and 117.6 g/g, respectively. Lower dosages result in a very few active sites in the reaction system, which do not allow the resin to form an effective three-dimensional cross-linked structure. |
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【答案】應(yīng)助回帖
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haizhoubuer: 金幣+15, 翻譯EPI+1, ★★★★★最佳答案, 太棒了！ 2014-10-21 22:43:37
haizhoubuer: 金幣+15, 翻譯EPI+1, ★★★★★最佳答案, 太棒了！ 2014-10-21 22:43:37
| 引發(fā)劑和劑量的選擇直接影響的反應(yīng)過(guò)程及其結(jié)果。劑量決定了系統(tǒng)中活性位點(diǎn)的數(shù)目，進(jìn)而影響反應(yīng)速率。對(duì)控制實(shí)驗(yàn)而言，反應(yīng)速度是一個(gè)非常重要的因素（Ma等，2011）。圖1（e）顯示了引發(fā)劑的劑量對(duì)樹(shù)脂在蒸餾水和鹽溶液中的吸收率的影響。另外，隨著引發(fā)劑濃度的增加，樹(shù)脂無(wú)論在蒸餾水或鹽溶液中的吸水性先增加后降低。當(dāng)引發(fā)劑用量占總單體的0.3％時(shí)，樹(shù)脂在蒸餾水和0.9％NaCl（重量百分比）的吸水率是最高的，分別為1183克/克和117.6克/克分別。較低劑量在反應(yīng)體系中只引起非常少的活性位點(diǎn)，使樹(shù)脂不能形成有效的三維交聯(lián)結(jié)構(gòu)。 |
haizhoubuer2樓2014-10-18 02:06:42
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