Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/02c25abd3de70cd67ff6190224882a61.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 calibration regulator例句_calibration regulator英汉例句_calibration regulator双解例句_甲百汇小鸡词典
In order to control the pH of the samples, point to point ISE calibration measure, ion-selective electrode and pH-regulator are used. 应用离子选择性电极法测定锌氨络合液中的氨氮，省去了其他繁琐的步骤，具有操作简便、结果准确、精密度高、检测范围广等优点。