One of my friends told me that when she was a Girl Scout leader, one of the girls told others that she had touched poison ivy before and she did not react to it.
有个朋友告诉我说她当年在童子军当领队的时候有一个女孩告诉大家说她以前碰过毒藤却没有任何反应。
The poison methyl alcohol has been replaced by alcohol to react with Stearic acid and to synthesize the ethyl stearate.
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。
Under the arc action, the impurity can easily react with the decomposed product of SF_6, and then produce poison which can corrupt electric equipment, degrade its insulation performance.
但是SF_6电气设备中的气体不可避免的含有杂质，在电弧作用下，这些杂质容易与SF_6气体的分解物反应生成毒性物质，从而腐蚀电气设备，降低设备绝缘能力。
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