超高分子量聚丙烯酰胺易发生机械降解、化学降解、热降解反应，造成分子量下降。
Polyacrylamide with ultrahigh molecular weight is easily to degradate such as mechanical, chemical and thermal degradation, it make molecular weight descend.
而超高分子量聚丙烯酰胺经剪切后粘度和粘弹性显著下降，建立流动阻力的能力有限。
But the viscosity and viscoelasticity of ultra high molecular weight polyacrylamide decrease significantly. The ability of establishing flow resistance of polyacrylamide is limited after shearing.
近些年来，超高分子量聚丙烯酰胺由于其在絮凝方面的优良性能正逐渐受到人们的重视。
In recent years, the ultrahigh molecular weight polyacrylamide is being paid more attention because of its good capability of flocculation.
并以此工艺参数为基础，确定了适合工业化生产的超高分子量聚丙烯酰胺水解及干燥条件。
Based on these parameters, hydrolysis and drying conditions of appropriating to industrialization producing ultrahigh molecular weight polyacrylamide were assured.
用x -射线衍射、动态力学测定等手段研究了不同拉伸倍数的超高分子量聚丙烯薄膜的力学性能的变化。
The mechanical properties of ultrahigh molecular weight polypropylene films with various draw ratios have been studied by WAXD and dynamic mechanical measurements.
本文还应用计算机模拟方法来寻找能够制备超高分子量聚丙烯腈的有效途径并用它来研究聚合反应动力学问题。
The simulation of computer is used to find a better way to prepare UHMW PAN and study its reaction kinetics in this paper.
本文就超高分子量聚丙烯酰胺在造纸上的应用和价格分析作一简要介绍，并预测，超高分子量聚丙烯酰胺的发展前景相当广。
In this paper, the application in paper industry and the price analysis of ultrahigh molecular weight polyacrylamide were simply introduced.
本文就超高分子量聚丙烯酰胺在造纸上的应用和价格分析作一简要介绍，并预测，超高分子量聚丙烯酰胺的发展前景相当广。
In this paper, the application in paper industry and the price analysis of ultrahigh molecular weight polyacrylamide were simply introduced.
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