Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/b7ffc52c977237f0026e29b94da19c2a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 polyphosphoric是什么意思，polyphosphoric的翻译，polyphosphoric音标、读音、用法和例句_沉淀汉英词典
Ammonium persulfate and sulfuric acid were used to turn completely the polyphosphoric acid into orthophosphoric radicals, which were then determined by spectrophotometry. 可用過硫酸銨和硫酸將多聚磷酸全部轉化成正磷酸根，再用分光光度法測定其質量分數。