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    <mxCell id="node5" value="关键路径：逆β-氧化链延长（反应器微生物组Clostridium kluyveri）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=13;fontStyle=1;verticalAlign=middle;align=center;arcSize=8;fontColor=#1a1a1a;" vertex="1" parent="1">
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    <mxCell id="node6" value="结果：正己酸峰值1 g/L（pH 5.44），产率1.7 g/L/day；正丁酸产率20 g/L/day；pH&lt;5.5时甲烷显著抑制" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=13;fontStyle=0;verticalAlign=middle;align=center;arcSize=8;fontColor=#1a1a1a;" vertex="1" parent="1">
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