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小木虫论坛-学术科研互动平台» 学术交流区» 论文翻译 » 论文翻译求助完结子版 » 英文不行的我表示压力很大 希望大家帮助英译汉
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飘落江南

铜虫 (正式写手)

[求助] 英文不行的我表示压力很大 希望大家帮助英译汉

When it reaches -10° C, he
keeps it at this temperature for a couple of hours,
then filters out the crystals. They are rinsed a
couple of times with ether or another solvent such
as hexane, then, while still wet with ether, added
to a large flask or beaker containing 2000 ml of
water. They are dissolved by stirring, then the
flask or beaker is cooled down to 0° C by packing
it in ice mixed with salt. When it reaches this
temperature, 200 ml of glacial acetic acid is
added to it with vigorous stirring. The chemist
must make sure that the temperature does not go
up more than a few degrees while he is adding it.
filters the crystals off it and rinses them a few
times with water. The crystals must now be kept
moist in order for them to be turned into.
In a 2000 ml flask, he puts
700 ml of concentrated sulfuric acid. It is cooled
down to -10° C by packing the flask in a mixture
of salt and ice, then magnetic stirring is begun.
The crystals are slowly added to the sulfuric acid.
They must be moist, or he will get a mess. It takes
about an hour to add the crystals to the sulfuric
acid. Once they are added, the flask is heated in a
pan of boiling water and swirled around to dissolve
the crystals. After they have dissolved, the
flask is heated for a couple more minutes, then
removed from the pan of boiling water. It is
cooled down slowly to 0° C by first letting it cool
down, then packing it in ice.
chemist puts 1700 ml of water
in a 3000 ml flask. Half of the sulfuric acid
solution is added to it. It is heated in a pan of
boiling water for a couple of hours. It is given a
couple of good shakes every 15 minute
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飘落江南

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真心的感谢大家的帮助 谢谢~！
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Rio2016

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phu_grassman: 金币+5, thanks 2013-04-12 08:53:47
飘落江南: 金币+25, 翻译EPI+1, ★★★★★最佳答案 2013-04-15 19:43:25
When it reaches -10° C, he
keeps it at this temperature for a couple of hours,
then filters out the crystals.
当它达到-10° C，在这个温度保持两小时，然后滤掉结晶物。
They are rinsed a couple of times with ether or another solvent such
as hexane, then, while still wet with ether, added
to a large flask or beaker containing 2000 ml of
water.
用乙醚或其他溶剂例如正己烷冲洗两次，然后，保持带有乙醚的湿的状态，并转移到一个带有2000ml水的大瓶或烧杯中。
They are dissolved by stirring, then the
flask or beaker is cooled down to 0° C by packing
it in ice mixed with salt. When it reaches this
temperature, 200 ml of glacial acetic acid is
added to it with vigorous stirring.
搅拌使其溶解，然后把瓶子或烧杯埋到冰盐混合物中使其降到 0° C 。当它降到这个温度，向里面加200 ml 冰醋酸，边加边搅拌。
The chemist must make sure that the temperature does not go
up more than a few degrees while he is adding it.
filters the crystals off it and rinses them a few
times with water.
操作者必须保证，在添加的过程中不能使温度升高几度，滤去结晶物，用水冲洗几次。

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