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高中化学‖必修二|乙酸PPT

  • 2026-11-08 04:56:04
高中化学‖必修二|乙酸PPT

💟课件预览

💟知识点总结

💟知识点1️⃣：物理性质
俗称醋酸、无色、有刺激性气味的液体
💟知识点2️⃣：组成和结构
💟知识点3️⃣：化学性质
①：弱酸性
②：酯化反应
💟知识点4️⃣：酯

💟更多可编辑课件

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【医护PPT课件】:一例麻疹合并肺炎患者的呼吸道隔离与并发症护理

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000626s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000961s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000415s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000356s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000657s ]
  6. SELECT * FROM `set` [ RunTime:0.000337s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000755s ]
  8. SELECT * FROM `article` WHERE `id` = 470172 LIMIT 1 [ RunTime:0.000395s ]
  9. UPDATE `article` SET `lasttime` = 1794679477 WHERE `id` = 470172 [ RunTime:0.001371s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000335s ]
  11. SELECT * FROM `article` WHERE `id` < 470172 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000485s ]
  12. SELECT * FROM `article` WHERE `id` > 470172 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000552s ]
  13. SELECT * FROM `article` WHERE `id` < 470172 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000637s ]
  14. SELECT * FROM `article` WHERE `id` < 470172 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000665s ]
  15. SELECT * FROM `article` WHERE `id` < 470172 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000780s ]
0.089157s