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高中化学《必修第一册》课件∣4.2.2元素周期表和元素周期律的应用

  • 2026-11-05 18:05:33
高中化学《必修第一册》课件∣4.2.2元素周期表和元素周期律的应用
封面故事：2011.2.8 正月初六，我从二楼拍到父亲正站在门前的水泥平台上向远处张望。湖北的冬天很冷，他正将双手插在那件朴素又低调的棉衣口袋里。
必修第一册，物质分类，离子反应、氧化还原反应、物质的量及相关物理量、典型金属元素钠、典型非金属元素氯、金属材料铁和铝、结构与元素周期律。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.000718s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000858s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000436s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000321s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000505s ]
  6. SELECT * FROM `set` [ RunTime:0.000267s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000566s ]
  8. SELECT * FROM `article` WHERE `id` = 542892 LIMIT 1 [ RunTime:0.000363s ]
  9. UPDATE `article` SET `lasttime` = 1793967166 WHERE `id` = 542892 [ RunTime:0.001189s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000301s ]
  11. SELECT * FROM `article` WHERE `id` < 542892 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000435s ]
  12. SELECT * FROM `article` WHERE `id` > 542892 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000365s ]
  13. SELECT * FROM `article` WHERE `id` < 542892 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000489s ]
  14. SELECT * FROM `article` WHERE `id` < 542892 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000648s ]
  15. SELECT * FROM `article` WHERE `id` < 542892 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000685s ]
0.082223s