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【表面活性剂化学】PPT课件讲义——两性表面活性剂的合成

  • 2026-06-23 16:29:26
【表面活性剂化学】PPT课件讲义——两性表面活性剂的合成

延伸阅读

【表面活性剂化学】PPT课件讲义——6.2两性表面活性剂的性质

【表面活性剂化学】PPT课件讲义——6.1两性表面活性剂概述

【表面活性剂化学】PPT课件讲义——5.1阳离子表面活性剂概述

【表面活性剂化学】PPT课件讲义——4.1阴离子表面活性剂概述

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  1. CONNECT:[ UseTime:0.000957s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001313s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002281s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.005324s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001289s ]
  6. SELECT * FROM `set` [ RunTime:0.018002s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001376s ]
  8. SELECT * FROM `article` WHERE `id` = 515154 LIMIT 1 [ RunTime:0.000947s ]
  9. UPDATE `article` SET `lasttime` = 1782218504 WHERE `id` = 515154 [ RunTime:0.037361s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000818s ]
  11. SELECT * FROM `article` WHERE `id` < 515154 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.010690s ]
  12. SELECT * FROM `article` WHERE `id` > 515154 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001115s ]
  13. SELECT * FROM `article` WHERE `id` < 515154 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001956s ]
  14. SELECT * FROM `article` WHERE `id` < 515154 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.007887s ]
  15. SELECT * FROM `article` WHERE `id` < 515154 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.012667s ]
0.254655s