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氰化氢的毒性及中毒急救 | 2012-4-22 8:01:00
Re:氰化氢的毒性及中毒急救 | 2012-4-22 8:02:41
章仁根氢氰酸为无色液体,氰化氢为无色气体,均伴有轻微的苦杏仁气味。分子式C-H-N。分子量 27.03。相对密度 0.69。熔点 -14℃。沸点 26℃。闪点 -17.8℃。蒸气密度0.94。蒸气压 101.31kPa(760mmHg 25.8℃)。蒸气与空气混合物爆炸限6~41% 。易溶于水、乙醇; 微溶于乙醚。水溶液呈弱酸性。
By:章仁根 | 个人主页 | 引用 | 返回 | 删除 | 回复
原创 | 2016-9-6 20:22:40
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原创 | 2016-9-28 20:00:23
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原创 | 2016-9-30 14:40:19
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Re:在漫画中识别身边的违章 | 2016-10-14 15:06:22
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By:bqsvy(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 | 2016-10-17 6:02:15
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By:ntvbe(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 | 2016-10-18 2:14:37
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By:zoswz(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 1:24:31
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Re:在漫画中识别身边的违章 | 2016-10-20 10:07:00
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Re:在漫画中识别身边的违章 | 2016-10-20 19:41:40
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Re:在漫画中识别身边的违章 | 2016-10-22 11:51:12
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Re:在漫画中识别身边的违章 | 2016-10-22 18:33:34
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