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。
2
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；
3
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.