Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/ff043de227785831c778fef9157e2327.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 formol例句_formol英汉例句_formol双解例句_食材铺反向词典
With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method. 用氯化钙作沉淀剂,消除磷酸根离子的干扰,用甲醛法测定复合肥中的总氮。