Devarda alloy英美德瓦达合金化学双语例句The ideal reducing agent in soil available nitrogen tests by Conway Method is Devarda alloy.将土壤样品置于康维皿外室,硼酸吸收液于内室,利用碱解扩散法直接测定土壤有效氮,最理想的还原剂是Devarda合金。