求翻译：原子经济性是绿色化学的核心内容，这一概念最早是1991年美国Stanford大学的著名有机化学家Trost（为此他曾获得了1998年度的“总统绿色化学挑战奖”的学术奖）提出的，即原料分子中究竟有百分之几的原子转化成了产物。理想的原子经济反应是原料分子中的原子百分之百地转变成产物，不产生副产物或废物，实现废物的“零排放”。他用原子利用率衡量反应的原子经济性，认为高效的有机合成应最大限度地利用原料分子的每一个原子，使之结合到目标分子中。绿色化学的原子经济性的反应有两个显著优点：一是最大限度地利用了原料，二是最大限度地减少了废物的排放。是什么意思？

正在翻译，请等待...

atom economy of the core content is Green chemistry, this concept is one of the earliest Stanford University in the United States in 1991, well-known organic chemistry (for which he had received the Trost 1998 annual "president Green Chemistry Challenge Award, presented by the academic awards), i.e.

Atom economy is the core content of green chemistry, the concept as early as 1991, United States of the famous organic chemist Trost of Stanford University (for this he was awarded the 1998 "Presidential Green Chemistry Challenge Award" academic award) proposed, that is, raw material exactly what pe