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翻译两段话，希望英语高手多多帮忙！ （1）有机聚合物在高温下首先分解成许多分子量更小的链段和小分子物质, 因此不熔的热固性树脂在降解过程中也会出现所谓“液化”现象。在真空状态下, 这些成为“液体”状的小聚合物片断和小分子物质必然非常容易挥发。 （2）有机聚合物在热解过程中，宏观上表现为实验样品的失重速率加快，即随着热解温度的提高,降解反应速率加快,形成的片段更小，且高温本身也使这些降解产物更容易挥发。 |
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mayong11
铁杆木虫 (职业作家)
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telomerase(金币-1,VIP+0):请注意！！！这样会很误别人的事的！！ 严重警告！！！ 3-10 19:46
ggaoxx(金币-2,VIP+0):严厉打击此类行为！ 3-11 10:45
telomerase(金币-1,VIP+0):请注意！！！这样会很误别人的事的！！ 严重警告！！！ 3-10 19:46
ggaoxx(金币-2,VIP+0):严厉打击此类行为！ 3-11 10:45
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(1) organic polymers at high temperature first broken down into much smaller molecular weight chains and small molecules, it does not melt at the thermosetting resin degradation process will arise in the so-called "liquefaction" phenomenon. In a vacuum, they become "liquid"-like small polymer fragments and small molecules of volatile substances is extremely easy. 2) The organic polymer in the pyrolysis process on the performance of macro-Samples for the experiment to accelerate the weight loss rate, that is, with the pyrolysis temperature increased, the degradation reaction rate accelerated, the formation of smaller fragments, and the temperature itself so that these degradation products more vulnerable to evaporation. |
2楼2009-03-10 18:39:00
3楼2009-03-10 19:41:30
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ggaoxx(金币+2,VIP+0):谢谢参与！ 3-11 10:45
telomerase(金币+15,VIP+0):劳动所得，请收下！！ 4-3 11:15
ggaoxx(金币+2,VIP+0):谢谢参与！ 3-11 10:45
telomerase(金币+15,VIP+0):劳动所得，请收下！！ 4-3 11:15
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Organic polymers will decomposite into many small molecular weight chains and small molecules, Thus the infusible thermosetting resin will liquefy when they degrade. These small fluid polymer fractions and small molecules should be volatile in vaccum condition. 仅供参考  |
4楼2009-03-10 20:04:40
polymerpark
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ggaoxx(金币+2,VIP+0):谢谢参与！ 3-11 10:45
telomerase(金币+15,VIP+0):劳动所得，请收下！！ 4-3 11:16
ggaoxx(金币+2,VIP+0):谢谢参与！ 3-11 10:45
telomerase(金币+15,VIP+0):劳动所得，请收下！！ 4-3 11:16
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Organic polymers firstly break into many chains and substances with lower molecular weight,thus non-melt thermosetting resins arise so called"liquification" during the process of degradation.These small polymer chains and substances already "liquification" inevitably volatile easily under vaccum. [ Last edited by polymerpark on 2009-3-11 at 06:44 ] |
5楼2009-03-11 06:42:44
210jiejie(金币+30,VIP+0):写的很好！全部奖励 3-11 09:03
telomerase(金币-23,VIP+0):非法转移金币，扣除了！！！请注意。警告！ 4-2 21:30
telomerase(金币-7,VIP+0):非法转移金币，扣除了！！！ 4-2 21:31
telomerase(金币-23,VIP+0):非法转移金币，扣除了！！！请注意。警告！ 4-2 21:30
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| The organic polymers was decomposed to small chains and low molecular weight products firstly at high temperature, liquefaction phenomenon was also arose in the degradation process of thermosetting resin consequently. These small fragments and products were extremely easy to volatilize under vacuum condition. In the pyrolysis process, the weight-loss rate of polymers was accelerated, that is, the increase of pyrolysis temperature results in a sharp increase in the degradation reaction rate, moreover, degradation products were vulnerable to volatilize at high temperature. |
6楼2009-03-11 09:02:44