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【课件展示】《有机化学》课件第三章 烯烃

  • 2026-10-27 16:49:41
【课件展示】《有机化学》课件第三章 烯烃

      含有一个碳碳双键的烯烃（alkene）称为单烯烃，链状单烯烃的通式为CnH2n。含有多个碳碳双键的烯烃称为多烯烃。从碳链结构的角度，烯烃又可分为开链烯烃和环状烯烃。

      烯烃具有廉价易得及高反应活性等特点，是现代化学工业发展中不可或缺的基础化工原料，更是三大合成材料（塑料、合成橡胶和合成纤维）的基本原料。

      本章讨论单烯烃的结构、性质和应用。以下是经过第二轮授课后修改的课件：

需要课件的同行，私信联系，学生谢绝。

      本教材课件前2章展示汇总：

【课件展示1】：《有机化学》课件第一章 绪论

【课件展示2】：《有机化学》课件 第二章 烷烃和环烷烃

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【课件】安全技术方案和安全技术交底专项培训丨156页

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  1. CONNECT:[ UseTime:0.000739s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000900s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000475s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000464s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000615s ]
  6. SELECT * FROM `set` [ RunTime:0.000422s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000739s ]
  8. SELECT * FROM `article` WHERE `id` = 464282 LIMIT 1 [ RunTime:0.000502s ]
  9. UPDATE `article` SET `lasttime` = 1794002148 WHERE `id` = 464282 [ RunTime:0.001426s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000504s ]
  11. SELECT * FROM `article` WHERE `id` < 464282 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000440s ]
  12. SELECT * FROM `article` WHERE `id` > 464282 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000456s ]
  13. SELECT * FROM `article` WHERE `id` < 464282 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000759s ]
  14. SELECT * FROM `article` WHERE `id` < 464282 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000874s ]
  15. SELECT * FROM `article` WHERE `id` < 464282 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000695s ]
0.098440s