Poliéter poliol

2020-08-27View Original

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Existe um grande deus? Deixe-me falar sobre os grupos hidroxila primários e secundários dos poliéteres.

Reply #22020-08-27

Primeiro procure as definições dos grupos benzila e hidroxila secundária e, em seguida, observe as estruturas do óxido de propileno e do óxido de etileno e você entenderá.

Reply #32020-10-18

Na maioria das vezes, Du Niang pode lhe dar a resposta

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Poliéter poliol

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