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348741419

木虫之王 (知名作家)

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benmao_mogu

铁杆木虫 (著名写手)

呵呵 帮楼主顶一下 很想帮楼主但只可惜鄙人不是学法文的 呵呵~
不拼搏,怎能享受美好生活
2楼2012-03-30 13:07:06
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yifeng1206

铁杆木虫 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
爱与雨下: 金币+2 2012-03-30 21:12:45
348741419: 金币+100, 翻译EPI+1, ★★★很有帮助, 虽然不是很准确,依然很受用。非常感谢。 2012-03-31 08:45:55
中英文一起上了,希望楼主能将就着看懂啊。

Hydroxyhydroquinone is prepared according to THIELE(4). We got it without color and more stable by treatment in black with its solution in ether isopropylique and distillation of the ether in vacuum. The results from condensation is found improved.
We put a slow stream of dry gas of HCl into a mixture of 12.6g hydroxyhydroquinone, 8.2cm3 of ethyl cyanoacetate, 5g ZnCl2 recently melted, and 50cm3无水乙醚. 各种物品放进去时是溶液状态,然后它逐渐分成浓密和棕色的oil. 放置两天后,the oil is separated and re-taken by water。得到的蓝色溶液立马释放出cetimine when we spin and dry it quickly. 在50% aqueous pyridine中结晶得到的cetimine的产率不超过仅仅9%. 我们在 130-140° 加热a suspension of 1.9g of this cetimine in 19cm3 of 90% SO4H2. 物品加入时是溶液, then hydroxyesculetol慢慢的结晶。加热两小时后, we spin, wash and purify by dissolution in 90cm3 of hot propanol, in black condition. The hot solution, without color, is added by 25cm3 water and cooled。结晶的产品被旋干。产率:65%。熔点325-326°(block,分解?)。
The hydroxy-4 esculetol 在水和酒精中微溶,可溶于pyridine。
3楼2012-03-30 20:49:45
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