“验明”的英语？

他们验明6种植物有可能提炼出药物麻醉剂。They identified six plants as having potential for development into pharmaceutical drugs.这种矿石验明含银量很高.The ore assays high in silver.这个死去的士兵仅仅是靠他的制服和个人财务而被验明身份的.The dead solider was identified only by h...