求大侠帮忙翻译一下,是关于高分子的内容,我会加分的
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/18 17:03:35
求大侠帮忙翻译一下,是关于高分子的内容,我会加分的
Abstract: In this paper different techniques for the convolution of experimental gel permeation chromatography (GPC) curves of polymers obtained from batch reactors are examined with the aim of improving the modelling of the polymerization process. The
deconvolution of the GPC curves gives insight into the effects of diffusive phenomena on the values of the average molecular weights ((M) over bar(n) and (M) over bar(w)) and the molecular weight distribution (MWD) of the polymer. Two methods, one based on a two-peak deconvolution and the other one based on a multi-peak deconvolution, are compared. The different characteristics and relative merits of the two methods are illustrated using
several sets of experimental data. In conclusion, the first method is less accurate but allows a separation of the two contributions given by the chemical and diffusive control
of the MWD; the second method has a sound theoretical background (confirms the prediction of the free volume theory) and is potentially much superior but the results prove to be
more sensitive to the quality of the experimental part.
Abstract: In this paper different techniques for the convolution of experimental gel permeation chromatography (GPC) curves of polymers obtained from batch reactors are examined with the aim of improving the modelling of the polymerization process. The
deconvolution of the GPC curves gives insight into the effects of diffusive phenomena on the values of the average molecular weights ((M) over bar(n) and (M) over bar(w)) and the molecular weight distribution (MWD) of the polymer. Two methods, one based on a two-peak deconvolution and the other one based on a multi-peak deconvolution, are compared. The different characteristics and relative merits of the two methods are illustrated using
several sets of experimental data. In conclusion, the first method is less accurate but allows a separation of the two contributions given by the chemical and diffusive control
of the MWD; the second method has a sound theoretical background (confirms the prediction of the free volume theory) and is potentially much superior but the results prove to be
more sensitive to the quality of the experimental part.
摘要:本文对不同的技术为卷积实验凝胶渗透色谱( GPC的)曲线聚合物获得一批反应堆的研究与目的是要改善模特儿的聚合过程.那个
反卷积的GPC的曲线给人的洞察到的影响扩散的现象,对价值观的平均分子量( (米)以上的酒吧( n )和(米)以上的酒吧(宽) )和分子量分布(分布)的聚合物.两种方法,1的基础上,两峰卷积和其他一的基础上,多峰反褶积,比较.不同的特征和相对的优点,两种方法的说明使用
几套实验数据.总括而言,第一种方法是不太准确,但可以分离的两笔捐款所提供的化学和扩散控制
该分子量分布;第二种方法有一个良好的理论背景(确认预测的自由体积理论) ,并且是潜在很大的优势,但结果证明是
更为敏感的质量实验的一部分.
反卷积的GPC的曲线给人的洞察到的影响扩散的现象,对价值观的平均分子量( (米)以上的酒吧( n )和(米)以上的酒吧(宽) )和分子量分布(分布)的聚合物.两种方法,1的基础上,两峰卷积和其他一的基础上,多峰反褶积,比较.不同的特征和相对的优点,两种方法的说明使用
几套实验数据.总括而言,第一种方法是不太准确,但可以分离的两笔捐款所提供的化学和扩散控制
该分子量分布;第二种方法有一个良好的理论背景(确认预测的自由体积理论) ,并且是潜在很大的优势,但结果证明是
更为敏感的质量实验的一部分.
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