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【希沃课件】人教版九年级化学第9单元实验活动6一定溶质质量分数的氯化钠溶液的配制教学欣赏!

  • 2026-11-06 23:42:15
【希沃课件】人教版九年级化学第9单元实验活动6一定溶质质量分数的氯化钠溶液的配制教学欣赏!
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【希沃课件】人教版九年级化学第9单元课后习题与复习提高教学课件欣赏!

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  1. CONNECT:[ UseTime:0.000606s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000967s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000451s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000355s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000569s ]
  6. SELECT * FROM `set` [ RunTime:0.000299s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000582s ]
  8. SELECT * FROM `article` WHERE `id` = 468791 LIMIT 1 [ RunTime:0.000394s ]
  9. UPDATE `article` SET `lasttime` = 1794095206 WHERE `id` = 468791 [ RunTime:0.001304s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000321s ]
  11. SELECT * FROM `article` WHERE `id` < 468791 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000500s ]
  12. SELECT * FROM `article` WHERE `id` > 468791 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000425s ]
  13. SELECT * FROM `article` WHERE `id` < 468791 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001143s ]
  14. SELECT * FROM `article` WHERE `id` < 468791 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001163s ]
  15. SELECT * FROM `article` WHERE `id` < 468791 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000965s ]
0.119758s