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【免费领取】化学课件 | 《实验化学》课件模板免费赠送!

  • 2026-04-06 10:05:20
【免费领取】化学课件 | 《实验化学》课件模板免费赠送!
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课件目录

九上化学目录
（点击对应篇目即可跳转预览链接）
1.1《物质的变化和性质》
1.2.1《化学实验与科学探究（一）——走进化学实验室、化学药品的取用》
1.2.2《化学实验与科学探究（二）——物质的加热》
1.2.3《化学实验与科学探究（三）——连接仪器装置、洗涤玻璃仪器》
1.2.4《化学实验与科学探究（四）——观察与描述蜡烛及其燃烧》
2.1.1《我们周围的空气（一）——空气的组成》
2.1.2《我们周围的空气（二）——空气是一种宝贵的资源》
2.2《氧气》
2.3.1《制取氧气（第一课时）》
2.3.2《制取氧气（第二课时）》
3.1.1《分子和原子（第一课时）》
3.1.2《分子和原子（第二课时）》
3.2.1《原子的结构（第一课时）》
3.2.2《原子的结构（第二课时）》
3.3.1《元素（第一课时）》
3.3.2《元素（第二课时）》
4.1.1《水资源及其利用（第一课时）》
4.1.2《水资源及其利用（第二课时）》
4.2《水的组成》
4.3.1《物质组成的表示（第一课时）》
4.3.2《物质组成的表示（第二课时）》
4.3.3《物质组成的表示（第三课时）》
5.1《质量守恒定律》
5.2.1《化学方程式（第一课时）》
5.2.2《化学方程式（第二课时）》
5.2.3《化学方程式（第三课时）》
6.1.1《碳的单质》
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  139. /yingpanguazai/ssd/ssd1/www/a.sjds.net/runtime/temp/97cad012e8e159aae2fe347a411e8351.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000841s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000862s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000310s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000278s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000488s ]
  6. SELECT * FROM `set` [ RunTime:0.000201s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000597s ]
  8. SELECT * FROM `article` WHERE `id` = 463826 LIMIT 1 [ RunTime:0.000375s ]
  9. UPDATE `article` SET `lasttime` = 1776055299 WHERE `id` = 463826 [ RunTime:0.008018s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000299s ]
  11. SELECT * FROM `article` WHERE `id` < 463826 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000404s ]
  12. SELECT * FROM `article` WHERE `id` > 463826 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000365s ]
  13. SELECT * FROM `article` WHERE `id` < 463826 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001449s ]
  14. SELECT * FROM `article` WHERE `id` < 463826 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005902s ]
  15. SELECT * FROM `article` WHERE `id` < 463826 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.013423s ]
0.176468s