A synthetic method of partial ester of carboxylic acid (PECA) surfactant was given in the paper.
文章提供了一种羧酸偏酯(简称PECA)表面活性剂的合成方法。
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Down 3-1, Quinnipiac (28-7-5) cut it to one on Peca's goal at 8:02 of the third period.
WSJ: Quinnipiac rallies to beat Canisius
"Peca basically won the game for them in the first period, " he said.
WSJ: Quinnipiac earns Frozen Four bid, beats Union, 5-1
Al mismo tiempo y tal vez por las mismas razones, uno puede pensar que la prensa peca de alarmista.
BBC: OTROS IDIOMAS
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