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化学选修一教学课件‖电解池|第2课时 ppt

  • 2026-10-01 12:40:00
化学选修一教学课件‖电解池|第2课时 ppt
💟课件预览
💟知识点总结
✅知识点1️⃣：电解饱和食盐水；
✅知识点2️⃣：电镀、电冶金；
✅知识点3⃣：电解精炼铜；
💟更多资料获取处
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优质课件数多,业绩栏填不了,能填公开课吗

基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.101448s [ 吞吐率：9.86req/s ] 内存消耗：4,311.57kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=4ea0cc6937ebf2b3a2a247584980e348
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  1. CONNECT:[ UseTime:0.000740s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000933s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000509s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000393s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000603s ]
  6. SELECT * FROM `set` [ RunTime:0.000323s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000620s ]
  8. SELECT * FROM `article` WHERE `id` = 533441 LIMIT 1 [ RunTime:0.000459s ]
  9. UPDATE `article` SET `lasttime` = 1790857656 WHERE `id` = 533441 [ RunTime:0.001382s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000342s ]
  11. SELECT * FROM `article` WHERE `id` < 533441 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000478s ]
  12. SELECT * FROM `article` WHERE `id` > 533441 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000465s ]
  13. SELECT * FROM `article` WHERE `id` < 533441 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000743s ]
  14. SELECT * FROM `article` WHERE `id` < 533441 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000650s ]
  15. SELECT * FROM `article` WHERE `id` < 533441 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000626s ]
0.111036s