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毎日1問、正解者には6つの財富が報酬として与えられ、参加者には2つの財富が与えられます;6月01日

2016-06-01View Original

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穴埋め問題:PVCの懸濁重合製造過程において、消泡剤は界面活性剤の一種であり、( )溶液を調製する際に添加される。これにより、溶液の調製過程やその後の材料投入過程で泡が発生し、熱伝達が妨げられたり配管が詰まったりするのを防ぐことができる。 答え:分散剤

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