Some commercial laboratories use periodic nitrate tests as guides.许多商业性的试验室已应用定期的硝态氮分析作为指导.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚乙二醇存在下, 用苯甲...
小水滴在海下面附近形成漂流物.The water droplets formed float near sea level.狂欢遗留下粉红色漂流物.The frenzy can leave pink flotsam.还有不少金和银的漂流物溶解在海水里.Much gold and silver drift dissolved in the waters of the sea, too....