ammonical silver staining technique

例句：

1. 1. Thesoil was ammonical when it wastested.
   土壤测试时呈氨化状态。
2. 2.The chemical is ammonical in nature.
   这种化学物质具有氨的性质。
3. 3. Theammoniacal solutionreacts with the metal toform a precipitate.
   氨水与金属反应形成沉淀。