A modified calculation method about atom economy and an A-factor are also described. The A-factor is used to measure the environmental impact quantitatively.
并修正了反应路径原子经济性的计算方法，提出用综合影响因子A—因子来定量地衡量反应路线的环境友好程度，从而达到筛选环境影响最小反应路线的目的。
参考来源 - 呋喃酮的制备及其绿色工艺设计·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Two concepts frequently described in green chemistry are atom economy and chemical specificity, indicating that green chemistry is the chemistry about reaction and reaction efficiency.
绿色化学中经常讨论的两个概念是原子经济性和化学专一性，这说明绿色化学是关于反应和反应效率的化学。
Studying with the atom economy concept for basis instruction, it designed green chemistry experiment method, developed the student's green chemistry consciousness and environmental protection idea.
探讨了以原子经济性概念为依据指导设计绿色化学实验的方法，注意培养学生的绿色化学意识，树立环保观念。
By the use of the new nitrating agent, the use of concentrated sulfuric acid was avoided and the reaction was environmental friendly with high atom economy.
该方法通过改变硝化剂，不仅成功地避免了浓硫酸的使用，而且提高了原子经济性，具有良好的环境效益。
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