After development, incoming light produces blackened silver granules in the layer. 显影后，入射光就在表层产生了发黑的银粒子。
The reduction process of p-nitrobenzoic acid can be greatly accelerated in the presence of nanosized silver metal at room temperature. 结果表明，纳米尺度的银粒子在室温下可极大地加速对硝基苯甲酸的还原过程。
