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提问人:网友13***556 发布时间:2022年5月2日 00:38
[单选题]

非离子表面活性剂在水中的溶解度随温度的上升而降低,升到某一温度溶液出现混浊,经放置或离心可得到富胶团和贫胶团两个液相,这个温度称为该表面活性剂的       。

A . 非离子表面活性剂在水中的溶解度随温度的上升而降低,升到某一温度溶液出现混浊,经放置或离心可得到富胶团和贫胶团两个液相,这个温度称为该表面活性剂的清点。B . 非离子表面活性剂在水中的溶解度随温度的上升而降低,升到某一温度溶液出现混浊,经放置或离心可得到富胶团和贫胶团两个液相,这个温度称为该表面活性剂的浊点。C . 非离子表面活性剂在水中的溶解度随温度的上升而降低,升到某一温度溶液出现混浊,经放置或离心可得到富胶团和贫胶团两个液相,这个温度称为该表面活性剂的浑点。D . 非离子表面活性剂在水中的溶解度随温度的上升而降低,升到某一温度溶液出现混浊,经放置或离心可得到富胶团和贫胶团两个液相,这个温度称为该表面活性剂的沸点。

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My aunt and uncle always come heavily loaded with enough food and wine for a whole army. My brother Sal and gang usually show up an hour early and empty-handed. Joann’s family is usually late while Richard’ s group generally arrives on time, bearing gifts for everyone. I am in charge of getting the Christmas tree. Plenty of food is served at the dinner table, and all the hours of preparation are wolfed down in a matter of minutes. Along with the yearly repeated menu comes the yearly repeated conversation.
Everyone talks about how good the food tastes. My mother then talks about all the supermarkets from which the fish was bought. This begins our period of comparison shopping. For at least thirty minutes, we show how better we are than each other at mentioning the bargains we have found.
Personally, I do not feel the need to be with a crowd on Christmas Eve. Christmas Eve, to me, is a quiet time, a time to think deeply. The over-crowdedness and noise ruin my feelings about Christmas.
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