500彩票
<tr id='50ILk1'><strong id='50ILk1'></strong><small id='50ILk1'></small><button id='50ILk1'></button><li id='50ILk1'><noscript id='50ILk1'><big id='50ILk1'></big><dt id='50ILk1'></dt></noscript></li></tr><ol id='50ILk1'><option id='50ILk1'><table id='50ILk1'><blockquote id='50ILk1'><tbody id='50ILk1'></tbody></blockquote></table></option></ol><u id='50ILk1'></u><kbd id='50ILk1'><kbd id='50ILk1'></kbd></kbd>
1)影响连续蒸馏的因素：进样速率、预加热温度、冷凝回流速率、柱的差式压力；
2)蒸馏柱的水合动力性研究：可测定过流条件；可测定包装因素；
●设计特点：
1)实验持续时间：4小时；
2)可进行水-乙醇的混合物蒸馏实验；
