英语翻译During thethermal degradation of XPS,the activation energy increases before a= 0.25 andthen the value stabilizes in the range of 220–230 kJ·mol−1.Through theentire process,the E values of XPS are always smaller than that of EPS a

英语翻译
During thethermal degradation of XPS,the activation energy increases before a= 0.25 andthen the value stabilizes in the range of 220–230 kJ·mol−1.Through theentire process,the E values of XPS are always smaller than that of EPS andthey show different dependence on the degree of conversion.This reveals thatunder nitrogen environment,the thermal degradation of XPS is easier than EPS.In the range of a=0.1–0.85 for thermal degradation of EPS,the differences ofactivation energies are very small in regard to experimental errors and the average value of E is about245 kJ·mol−1,thus we can regard the value of E as a constant.It indicates that the thermaldegradation process of EPS in a nitrogen environment can be approximated as asingle reaction step.At the initial and final stage of the reaction of thethree materials,the change of E values is larger and the results show a highstandard.

在 XPS 的热降解过程中,在a= 0.25之前,活化能增加前,然后在 220–230 kJ•mol−1 的范围内趋于稳定.综观全过程, XPS 的活化能一直低于EPS,他们显示出对转换的不同依赖度.这表明在氮环境下,XPS 的热降解比 EPS 更容易.a= 0.1–0.85在范围内, EPS的热降解活化能的偏差具有非常小的实验误差,EPS热降解活化能的平均值约 245 kJ•mol−1,因此我们可以将此值视作为常数.它表明EPS 在氮环境中的热降解过程可以近似为一个一级反应.这三种物质的降解反应从初始阶段至终了阶段的活化能变化较大,其结果显示出了高标准.

During thethermal degradation of XPS, theactivation energy increases before a= 0.25 andthen the value stabilizes in therange of 220–230 kJ·mol−1. Through theentire process, the E values of XPS a...

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During thethermal degradation of XPS, theactivation energy increases before a= 0.25 andthen the value stabilizes in therange of 220–230 kJ·mol−1. Through theentire process, the E values of XPS arealways smaller than that of EPS andthey show different dependence on the degreeof conversion. This reveals thatunder nitrogen environment, the thermaldegradation of XPS is easier than EPS.In the range of a=0.1–0.85 for thermaldegradation of EPS, the differences ofactivation energies are very small inregard to experimental errors and theaverage value of E is about245 kJ·mol−1,thus we can regard the value of E as aconstant. It indicates that the thermaldegradation process of EPS in a nitrogenenvironment can be approximated as asingle reaction step. At the initial andfinal stage of the reaction of thethree materials, the change of E values islarger and the results show a highstandard

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XPS的热降解过程中，前一个= 0.25然后值稳定在220–230 kJ·摩尔−1范围内的活化能增加。通过整个过程，XPS的E值总是高于EPS它们也显示在不同程度的依赖性较小的转换。这揭示了在氮气环境下，XPS的热降解比EPS。在一个= 0.1–0.85的范围内对EPS的热降解，对实验误差及E的平均值的差异是非常小的激活能是about245 KJ·摩尔−1，因此我们可以把E...

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XPS的热降解过程中，前一个= 0.25然后值稳定在220–230 kJ·摩尔−1范围内的活化能增加。通过整个过程，XPS的E值总是高于EPS它们也显示在不同程度的依赖性较小的转换。这揭示了在氮气环境下，XPS的热降解比EPS。在一个= 0.1–0.85的范围内对EPS的热降解，对实验误差及E的平均值的差异是非常小的激活能是about245 KJ·摩尔−1，因此我们可以把E值为常数。结果表明，在氮气环境中EPS热解过程可近似为一步反应。在三种材料的反应的初始和最终阶段fi，E值变化较大，表明一个高标准。

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在的XPS thethermal降解活化能增加前=0.25 andthen的值稳定在220-230千焦·mol-1的范围内。通过整个过程中，E值的XPS总是较小比EPS andthey的显示不同的依赖于转化度。这揭示了氮气环境thatunder，热降解的XPS容易比EPS.In为a =0.1-0.85的范围内的热降解的EPS，的差异ofactivation能量是非常小的在实验误差的平均值E的abo...

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在的XPS thethermal降解活化能增加前=0.25 andthen的值稳定在220-230千焦·mol-1的范围内。通过整个过程中，E值的XPS总是较小比EPS andthey的显示不同的依赖于转化度。这揭示了氮气环境thatunder，热降解的XPS容易比EPS.In为a =0.1-0.85的范围内的热降解的EPS，的差异ofactivation能量是非常小的在实验误差的平均值E的about245 KJ·摩尔-1，这样我们就可以把E的值作为一个常数。它表明，的thermaldegradation过程中，在氮气环境中的EPS可以近似为单一免疫反应的反应工序。和谐社会的三个材料的初始和最终阶段的反应中，E值的变化较大，结果显示highstandard的
楼主有些词空格没打么~

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During the thermal degradation of XPS, the activation energy increases before a=0.25 and then the value stabilizes in the range of 220-230 kJ·mol-1. Through the entire process, the E values of XPS are always smaller than that of EPS and they show different dependence on the degree of conversion. This reveals that under nitrogen environment, the thermal degradation of XPS is easier than EPS.

在XPS (=extruded polystyrene挤塑聚苯乙烯)热降解过程中，活化能的值在a= 0.25时会升高，然后稳定在220-230kJžmol-1的范围内。在整个过程中，XPS的E值总是小于EPS (=expanded polystyrene发泡聚苯乙烯)的E值，但它们表现出来的对转化度的依赖性不同。这表明，在氮气环境下，XPS比EPS更容易进行热降解。

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详见附件。供参考。