Two concepts frequently described in green chemistry are atom economy and chemicalspecificity, 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。
2
In comparison with small chemical drugs, protein and peptide pharmaceuticals have high specificity and activity at relatively low concentrations.
与小分子的化学药物相比，蛋白质和多肽的特点是在相对较低的浓度下就有较高的特异性和活性。
3
Other semiconductor and photovoltaic components are likewise made by chemical process, often relying on high specificity mixtures.