非 表面活性剂 的添加剂称作助洗剂,长期以来用以改进表面活性剂的去污作用.Nonsurfactant additives known as " builders " have long been used to improve detergent action of surfactants.如同所有化学和物理的过程一样, 温度对去污作用有重要影响.As in all chemical and physical processes, te...
很明显，她想谈些私事。It was clear that she wanted to discuss some private matter.他老是为私事来麻烦我.He always troubles me about his private affairs.她总是打听别人的私事.She is always prying into other people's affairs....
In this experiment, peanut hull ashed at 500 ℃ for 30 minutes.本实验中, 将花生壳置于方形高温炉中,在500℃?烧30分钟,制成花生壳灰.The team has ashed the samples as needed.小组已按要求将样品化成了灰.The coals were ashed in a furnace.煤在炉子里被烧成灰烬....
He asked one of his helpers to borrow some hammers and tear down the Buddhist sculptures.他吩咐帮手去借几个铁锤,让原先几座塑雕委曲一下.The helpers came in a scud.救援者飞奔而来.At election time the party needs a lot of voluntary helpers.大选时, 该党需要许多义...