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缩乙二醇醚
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缩乙二醇醚
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缩乙二醇醚
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polyethylene glycol
缩乙二醇醚
乙二醇缩合物的总称。结构通式为HO(CH2CH2O)nCH2CH2OH(n=1,2或3),常指2~4个乙二醇的缩合产品,依次称为二乙二醇醚(二甘醇)、三乙二醇醚(三甘醇)和四乙二醇醚(四甘醇),沸点分别为245.0℃、287.4℃和327.3℃。
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falling ball viscometer
falling body
Falling Down
falling drop method
falling edge
falling factorial
falling factorial power
falling flowers
falling injury
falling of cutting slope
falling off phenomenon
falling-off phenomenon
falling power
falling protection device on slope
Falling Snow in YiLi
falling sphere method
falling star
falling systems tract
falling tail
falling temperature method
fall-into
fall line
fall meteorite/observed fall
fall-off
Fall of Japan
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