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mlnjut

铜虫 (知名作家)

蚂蚁一样工作,蝴蝶一样生活

[求助] 求助汉翻英。欢迎指正错误。。高分子材料方面

高分子材料方面求指正改正。。。。


对于HEC,在HEC用量为5g、醚化剂用量为7.5g、碱用量1.85g、在65℃下反应2小时,得到的QHEC取代度最优为0.61,反应效率为64%;对于PVA,在PVA的浓度为5%、醚化剂用量为7g、碱用量2.5g、在65℃下反应6小时,得到的QPVA取代度最优为3.95。
For HEC, the HEC dosage of 5g, etherification agent is 7.5g, alkali 1.85g, at 65 ℃ for 2 hours, the optimal degree of substitution obtained QHEC 0.61, the reaction efficiency was 64%; for the PVA, the PVA concentration of 5%, etherification agent is 7g, alkali 2.5g, at 65 ℃ for 6 hours, get QPVA optimal degree of substitution 3.95.

[ Last edited by mlnjut on 2011-5-27 at 20:12 ]
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小小傻瓜

铁杆木虫 (知名作家)

小小♡流浪♡家

Mally89: 果断要淡定啊~~~~~~ 2011-05-27 19:40:54
我表示看英语我要看疯了,我预感我的六级又要悲剧了
心若没有栖息的地方,到哪里都是流浪……
2楼2011-05-27 16:21:47
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jacy_cheyn

铁杆木虫 (知名作家)

★
Mally89(金币+1): 感谢应助!~欢迎常来!~ 2011-05-27 19:41:15
PVA and HEC are water-soluble. We used 3-chloro-2-hydroxypropyl trimethyl ammonium chloride as etherifying agent to introduce quaternary ammonium groups into the structure of PVA and HEC through quaternization reaction to prouduce quaternized QPVA and QHEC, respectively.
The effect of reaction conditions on the degree of substitution and reaction efficiency were studied.
For HEC, the HEC dosage of 5g, etherification agent is 7.5g, alkali 1.85g, at 65 ℃ for 2 hours, the optimal degree of substitution obtained QHEC 0.61, the reaction efficiency was 64%.(这句话没有谓语)好好改改~
for the PVA, the PVA concentration of 5%, etherification agent is 7g, alkali 2.5g, at 65 ℃ for 6 hours, get QPVA optimal degree of substitution 3.95.
(同上)
3楼2011-05-27 16:22:46
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mlnjut

铜虫 (知名作家)

蚂蚁一样工作,蝴蝶一样生活

引用回帖:
Originally posted by jacy_cheyn at 2011-05-27 16:22:46:
PVA and HEC are water-soluble. We used 3-chloro-2-hydroxypropyl trimethyl ammonium chloride as etherifying agent to introduce quaternary ammonium groups into the structure of PVA and HEC through qu ...

那怎么改呢??我分不清。。。。。
在旅途,享受快乐
4楼2011-05-27 16:28:40
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a349857460

木虫 (著名写手)

不要用汉语翻译,要理解以后直接用英语写
5楼2011-05-27 17:17:04
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me471084707

铁杆木虫 (职业作家)

面朝大海,无语。

引用回帖:
Originally posted by jacy_cheyn at 2011-05-27 16:22:46:
PVA and HEC are water-soluble. We used 3-chloro-2-hydroxypropyl trimethyl ammonium chloride as etherifying agent to introduce quaternary ammonium groups into the structure of PVA and HEC through qu ...

恁这是来练手来了?
没有别的,我只想低调的活着!
6楼2011-05-27 17:57:11
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me471084707

铁杆木虫 (职业作家)

面朝大海,无语。

引用回帖:
Originally posted by a349857460 at 2011-05-27 17:17:04:
不要用汉语翻译,要理解以后直接用英语写

高人,问题是写不出来啊。。。没词。。
没有别的,我只想低调的活着!
7楼2011-05-27 17:57:37
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fds329

荣誉版主 (文坛精英)

鱼大婶

优秀版主优秀版主优秀版主优秀版主

【答案】应助回帖

mlnjut(金币+4): 可以的。。嘿嘿 2011-05-27 20:43:49
mlnjut(金币+6): 2011-05-28 08:15:58
the optimal degree of substitution obtained QHEC 0.61, the reaction efficiency was 64%可以做主句,
For HEC, the HEC dosage of 5g, etherification agent is 7.5g, alkali 1.85g, at 65 ℃ for 2 hours,用“when.....”
不知道可以不
8楼2011-05-27 19:54:41
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jacy_cheyn

铁杆木虫 (知名作家)

【答案】应助回帖

mlnjut(金币+30, 翻译EPI+1): 很好的哦。。谢谢,你的头像很漂亮。。 2011-05-27 20:30:38
引用回帖:
Originally posted by mlnjut at 2011-05-27 16:28:40:
那怎么改呢??我分不清。。。。。

前两句我认为不恰当的地方已经改了~。呵呵。就是贴上去的。
第三局和第四局实在是看着有点分不着头脑。
“对于HEC,在HEC用量为5g、醚化剂用量为7.5g、碱用量1.85g、在65℃下反应2小时,得到的QHEC取代度最优为0.61,反应效率为64%;改为:
HEC, etherification agent and alkali were added in to the reaction with the amounts of which were 5g, 7.5g and 1.85g respectively. The reaction will last 2 hours at the temperature of 65 ℃, and the optimal degree of substitution will be up to 0.61 with the reaction efficiency of 64%.

下一句你应该可以了吧~,也许我写的也不多,相互交流吧~,O(∩_∩)O~
9楼2011-05-27 20:23:22
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jacy_cheyn

铁杆木虫 (知名作家)

【答案】应助回帖

★
sltmac(金币+1): BB奖励 2011-05-28 00:41:06
mlnjut(金币+10): 2011-05-28 08:16:03
更正下,有个地方错了~,呵呵,下面是对的~

HEC, etherification agent and alkali were added in to the reaction with the amounts of 5g, 7.5g and 1.85g respectively. The reaction will last 2 hours at the temperature of 65 ℃, and the optimal degree of substitution will be up to 0.61 with the reaction efficiency of 64%.
10楼2011-05-27 20:24:47
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