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sirljz(½ð±Ò+1):лл½»Á÷ 2010-05-09 21:57:09
dehydarted by appropriate amout of methylbenzene, with  A:B:C=10£º1.5£º1, tempreture was controlled at 130¡æ, reacted for 6 hours, then productivity of D is high up to 88.3%
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Dehydrated using an appropriate amount of toluene, the reaction yielded D up to 88.3% when carried out at 130¡æ for 6 hours with a A:B:C ratio of 10:.5:1.
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Dehydrating with appropriate amout of methylbenzene,the ratio of A:B:C being 10£º1.5£º1,controlling the reaction  temperature at 130¡æ for 6  hours,can gain the highest rate of D to 88.3%
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