海量图书期刊资源，随时随地畅享阅读乐趣
The stabilization of some poly(vinyl chloride) samplesS.C.O. Ugbolue; O. Okpe; B. Basak · 1981
Time and temperature effects on the tensile yield properties of polypropyleneT. C. Uzomah; S.C.O. Ugbolue · 1997