• The post-crosslinking fiber was prepared by cross-linking PP-ST-DVB fiber with p-xylylenedichloride according to the friedel-crafts reaction and was given a series of synthesis tests.

    用对二氯甲基苯作为后交联剂,与聚丙烯接枝苯乙烯-二乙烯苯纤维进行后交联反应,制备出具有高比表面积的后交联纤维。

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  • Spurs: Friedel, Walker, Dawson, Kaboul, Assou-Ekotto, Lennon, Livermore, Kranjcar, Bale, Van der Vaart, Defoe.

    热刺首发:弗里德尔,沃克尔,道森,卡布尔,埃克托,列侬,利弗莫尔,克拉尼察尔,贝尔,范德法特,迪福。

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  • Rooney rolls it to Young, who stops it for him and then Rooney curls towards the near post but is denied by a good Friedel save.

    鲁尼敲给扬,扬帮鲁尼停球,鲁尼顺势打出一脚弧线球转向球门近角,弗里德尔做出了一次世界级的扑救。

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  • Since 2004, Friedel says, researchers working at Palenque have discovered three royal tombs, a tomb of sacrifices, offerings to a royal, and a high noble's tomb.

    自2004年以来,弗里德尔说道,在帕伦克工作的研究者们已经发现了三个王家陵墓,一个王室成员的祭祀墓,还有一个高等贵族的墓。

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  • The tertiary butyl benzene synthesis is a supplement to alkylation of classical Friedel and Crafts reaction.

    叔丁苯合成的新工艺的实施,是对经典的“弗瑞德-克来福特”反应中烷基化的补充。

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  • The first part of the dissertation was based on the attempted Friedel-Craftsalkylation under neutral conditions.

    论文的第一部分是初步探索在中性条件下的付氏烷基化反应的新方法。

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  • The key steps, Friedel-Crafts reaction and Fremy's salt oxidation, were improved on the basis of original literature.

    关键步骤弗-克反应和弗瑞麦氏盐氧化反应均在原文献的基础上作了相应的改进。

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  • Welbeck just attempted to deliver it with an excellent overhead kick, which, unhappily for him, was straight at Friedel.

    维尔贝克只是尝试打进一个漂亮的倒钩,令他不爽的是,弗里德尔将球牢牢控制住。

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  • Defender Stephen Warnock and keeper Brad Friedel were with Houllier at Liverpool but did not receive many opportunities.

    后卫瓦诺克和守门员弗雷德尔都是以往霍帅在利物浦时的兵,但那时他们俩就没有太多出场机会。

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  • His opportunities, though, have been restricted courtesy of, among others, David Seaman, Brad Friedel and the current England No1, Joe Hart.

    但是他的机会却被西曼,弗雷德尔,和如今的英格兰一号哈特限制住了。

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  • Propiophenone is a important intermediate in organic synthesis. It has been prepared in some methods. One of them is Friedel-Crafts reaction.

    苯丙酮是一重要的有机合成中间体,已有多种方法合成,其中之一是付瑞德尔—克拉夫慈反应。

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  • Results showed that the experimental conditions of the Friedel-Crafts Reaction and the water contents of the resin have a significant influence on its adsorption capacity.

    结果显示,二次交联反应条件和树脂含水量对吸附能力具有较大影响。

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  • Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.

    方法:以庚二酸单乙酯为原料,经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果:塞曲司特的总产率为5 0 .7%。

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  • But traditional Friedel-Crafts reaction has its own limitations, such as requirement of a stoichiometric amount of Lewis acid catalysts and large amounts of undesired products.

    传统的傅克反应的局限性在于,需要等量的路易斯酸催化剂和产生大量的副产物。

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  • Friedel-Crafts acetylation of salicylamide(SA) with acetyl chloride to 5-acetylsalicylamide using triethylammonium chloroaluminate ionic liquid(IL) as both catalyst and solvent was investigated.

    实验以盐酸三乙胺-三氯化铝离子液体(IL)为催化剂,催化水杨酰胺(SA)与乙酰氯进行傅克酰基化反应合成5乙酰水杨酰胺。

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  • As one of these methods, Friedel-Cratfs reaction is important both in fundamental research and industrial application, so it is keeping to be a hotspot in the research from its birth to the present.

    作为其中方法之一的傅克烷基化反应,由于在基础研究和化学工业领域的重要性,自其诞生至今一直是研究的热点。

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  • METHODS: The title compounds were synthesized by acylation of twelve acyl chlorides and two intermediates prepared by Friedel Crafts reaction, lengthening of carbon chain, hydrolysis and cyclization;

    方法:通过付克反应、碳链延长、水解和环合反应得到两个关键中间体,然后通过酰化反应制得各种酰胺化合物;

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  • METHODS: The title compounds were synthesized by acylation of twelve acyl chlorides and two intermediates prepared by Friedel Crafts reaction, lengthening of carbon chain, hydrolysis and cyclization;

    方法:通过付克反应、碳链延长、水解和环合反应得到两个关键中间体,然后通过酰化反应制得各种酰胺化合物;

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