（2013?房山区二模）图为某同学根据实验数据，描绘的某种物质均匀放热发生凝固过程的图象．由图象可知，
\uff082013?\u623f\u5c71\u533a\u4e8c\u6a21\uff09\u5982\u56fe\uff0cA\uff0cB\uff0cC\uff0cD\u662f\u2299O\u4e0a\u7684\u56db\u4e2a\u70b9\uff0c\u8fc7\u70b9B\u7684\u5207\u7ebf\u4e0eDC\u7684\u5ef6\u957f\u7ebf\u4ea4\u4e8e\u70b9E\uff0e\u82e5\u2220BCD=110\u00b0\u2235A\uff0cB\uff0cC\uff0cD\u662f\u2299O\u4e0a\u7684\u56db\u4e2a\u70b9\uff0c\u2234\u2220A+\u2220BCD=180\u00b0\uff0c\u2235\u2220BCD=110\u00b0\uff0c\u2234\u2220A=70\u00b0\uff0e\u2235BE\u4e0e\u2299O\u76f8\u5207\u4e8e\u70b9B\uff0c\u2234\u2220DBE=\u2220A=70\u00b0\uff0e\u6545\u9009B\uff0e
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由图象知，晶体在凝固过程中温度保持80℃不变，所以凝固点为80℃，熔点与凝固点相等也为80℃；从第8min开始凝固，到第18min完全凝固完，所以凝固过程用了10min．
故答案为：80；10．
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