Through the corresponding between integral coefficient polynomial and rational number, this paper obtains factorization from factorization of polynomial by the way of sieve in true fraction series.
本文利用整系数多项式与正有理数的对应，将多项式因式分解通过对真分数序列筛选的办法求得因式。
The results showed that the modified PET fiber had good spinnability when the molecular sieve content in fiber was 2% by mass fraction;
结果表明：当纤维中分子筛质量分数为2%时，改性PET纤维的可纺性较好；
A method of using metal probe for measuring the void fraction at any point in gas-liquid two-phase flow on Sieve tray is described.
用金属探针法测量塔板上气液两相流中某些点的含气率。
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