chemist中等

Certain artifacts are especially vulnerable because some pioneers in plastic art didn’t always know how to mix ingredients properly, says Thea van Oosten, a polymer chemist who, until retiring a few years ago, worked for decades at the Cultural Heritage Agency of the Netherlands.

高分子化学家西娅·范·奥斯滕说，某些手工艺品尤其脆弱，因为一些塑料艺术的先驱者并不总是知道如何恰当地混合原料。她在几年前退休之前，在荷兰文化遗产局工作了几十年。