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PPT下载|《光照提高离子液体改性PVC纳米纤维的贵金属回收性能》

  • 2026-04-09 14:07:33
PPT下载|《光照提高离子液体改性PVC纳米纤维的贵金属回收性能》

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今天给大家带来的是 昆明学院 何红星老师 分享的“光照提高离子液体改性PVC纳米纤维的贵金属回收性能”，希望大家喜欢。感兴趣的朋友可以登录北方有色网，进入相应的会议下载ppt。

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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=5f9457208f8c70aeff7d833369435fe4
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  1. CONNECT:[ UseTime:0.001040s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001651s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000653s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000644s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001499s ]
  6. SELECT * FROM `set` [ RunTime:0.000575s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001632s ]
  8. SELECT * FROM `article` WHERE `id` = 490535 LIMIT 1 [ RunTime:0.000979s ]
  9. UPDATE `article` SET `lasttime` = 1775878074 WHERE `id` = 490535 [ RunTime:0.011510s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000734s ]
  11. SELECT * FROM `article` WHERE `id` < 490535 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001202s ]
  12. SELECT * FROM `article` WHERE `id` > 490535 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001151s ]
  13. SELECT * FROM `article` WHERE `id` < 490535 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002978s ]
  14. SELECT * FROM `article` WHERE `id` < 490535 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002193s ]
  15. SELECT * FROM `article` WHERE `id` < 490535 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002526s ]
0.218732s