Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/68a19de5a9a33bd888a4f7f7e6670d23.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 polyphosphoric是什么意思，polyphosphoric的翻译，polyphosphoric音标、读音、用法和例句_食材铺反向词典
Ammonium persulfate and sulfuric acid were used to turn completely the polyphosphoric acid into orthophosphoric radicals, which were then determined by spectrophotometry. 可用过硫酸铵和硫酸将多聚磷酸全部转化成正磷酸根，再用分光光度法测定其质量分数。