声响效应--qsf999的安全生产小屋

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声响效应 | 2011-12-20 16:45:00

声响效应

某些烟花药剂在某种容器中，被点燃后有的由燃烧转为爆燃而发出闪光的雷声；有的由于产生的气体从喷孔中能发出悦耳的哨声或笛声；有的能产生类似鸟叫或嗡子声音，我们管这种现象称之为“声响效应” 。

利用烟花药剂燃烧时能产生声响效应，可制造和设计出许多种烟花零部件和成品。如将黑火药系列的药剂装在纸筒中，两头压上泥塞的纸筒中，在药剂上边再扦上一根引线，引燃后会产生悦耳的哨子声或笛子声。如将高氯酸钾和铝粉等混合后装在纸筒中并封闭严实或用几层纸条缠紧成包状，用导火索点燃会产生爆炸声和耀眼的闪光。利用这些“声响效应”可制成如称为筒雷、包雷、嗡子、小鸟、哨子、笛子等部件，再采用这些部件又可以配成许多种大小烟花和空中礼花，如：小火箭的“响弹”，大型烟花的“百鸟齐鸣”，空中礼花的“雷鸣花开”等等。

By:qsf999 | 阅读全文 | 回复(14) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2017-2-18 17:36:19

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By:xbfjn(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 12:11:42

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By:ayiko(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 3:02:19

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By:uehjm(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-20 17:12:39

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By:bfjnr(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-19 13:49:01

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By:bzosw(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-15 19:45:33

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By:mvkor(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-15 16:31:01

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Re:在漫画中识别身边的违章 | 2016-10-14 16:43:31

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By:xwmos(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-11 3:36:32

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原创 | 2016-9-30 15:56:15

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原创 | 2016-9-28 21:13:16

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原创 | 2016-9-6 21:38:58

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