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The transalkylation of polyethylbenzene, mainly diethylbenzene and triethylbenzene, with benzene catalyzed by tungstophosphoric acid has been studied in stirred autoclave.

搅拌高压釜,以磷钨酸为催化剂,研究苯与多乙苯的烷基转移反应,多乙苯二乙苯和三乙苯。

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3G, 401(K), a,

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中高级英语短文

The basic processing techniques of modern Pu'er tea include seven main steps: fresh leaf picking, spreading fresh leaves for cooling, fixation, kneading, sundrying, pile fermentation, autoclaving and desiccating.

现代普洱茶的基本艺包括七个要步骤:鲜叶鲜叶冷却、固定、揉捏、晒干、渥堆、高压灭菌和干燥。

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minisub, minisupercomputer, minisurvey, minitance, minitank, minitanker, minitape, minite, Minitel, minitelevision,

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3G, 401(K), a,
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