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氢的安全措施和事故应急处置 | 2012-6-10 7:38:00
Re:氢的安全措施和事故应急处置 | 2012-6-10 7:39:58
章仁根无色、无臭的气体。很难液化。液态氢无色透明。极易扩散和渗透。微溶于水,不溶于乙醇、乙醚。分子量2.02,熔点-259.2℃,沸点-252.8℃,气体密度0.0899g/L,相对密度(水=1)0.07(-252℃),相对蒸气密度(空气=1)0.07,临界压力1.30MPa,临界温度-240℃,饱和蒸气压13.33kPa(-257.9℃),爆炸极限4%~75%(体积比),自燃温度500℃,最小点火能0.019mJ,最大爆炸压力0.720MPa。
主要用途:主要用于合成氨和甲醇等,石油精制,有机物氢化及作火箭燃料。
By:章仁根 | 个人主页 | 引用 | 返回 | 删除 | 回复
原创 | 2016-9-6 20:21:12
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原创 | 2016-9-28 19:58:55
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By:原创(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复
原创 | 2016-9-30 14:38:49
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Re:在漫画中识别身边的违章 | 2016-10-8 15:39:11
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By:zegko(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 | 2016-10-13 20:18:55
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By:wbgim(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 | 2016-10-14 17:02:06
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By:ecrvz(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 16:16:32
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Re:在漫画中识别身边的违章 | 2016-10-18 4:47:19
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By:dsxzd(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 12:23:51
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Re:在漫画中识别身边的违章 | 2016-10-22 3:52:01
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Re:在漫画中识别身边的违章 | 2016-10-22 16:15:36
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Re:在漫画中识别身边的违章 | 2016-10-23 15:45:52
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Re:在漫画中识别身边的违章 | 2017-2-19 22:13:04
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