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丙基乙炔

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A self-assembled monolayer film of tolane was fabricated in aqueous solution by using silane coupling agent.

用硅烷偶联剂3-氨丙基-三乙氧基硅烷,通过自组装反应在石英基板表面制备了含有二苯乙炔基的自组装单层膜。

In this paper,- and (5)-2,2'-diethynyl-1,1'-binaphthyl with highly stable chiral configurations were employed as structural templates, and a new type of helical cyclophane compounds-3 and-3 were synthesized in enantiopure form by the introduction of benzyl sulfone through Sonogashira coupling reaction, followed by the treatment of disulfone with lithium diisopropylamide.

基於2,2'-二取代的联萘衍生物在手性构型上高度稳定的特点,分别从光学活性的-和-2,2'-二乙炔基-1,1'-联萘结构模板出发,通过Sonogashira偶连反应导入苄基碸,然后用二异丙基氨基锂处理制得的联萘二碸成功地合成了一种新的螺旋环芳分子-对映异构体-3和-3。

Thestercoselectivity of the reaction of propargylide was different completely from that of the reactionof telluronium 3-trimethylsilylalltide with α,β-unsaturaled ketones and trans-trimethysilylacetylenyl-l-benzoyleyelopropane derivatives were obtained.

发现这一反应的立体化学与同样条件下含硅烯丙基碲叶立德和α,β-不饱和酮反应的立体化学完全不同,得到的是又式-2-三甲基硅基乙炔基-1-酮基环丙烷衍生物。

EVA/LDPE/ CB conductive foam was made of EVA and LDPE as matrix,HG-1P CB and ACET CB as conductive filler,AC as foamer and DCP as crosslinker.

文章以乙烯-乙酸乙烯酯和低密度聚乙烯为主基体,特导炭黑(HG-1P)和乙炔炭黑为导电填料,偶氮二甲酰胺为发泡剂,过氧化二异丙苯为交联剂,制备了EVA/LDPE/炭黑导电泡沫复合材料。

Compared with the present process for the synthesis of acrylate by esterification of acrylic acid, which comes by oxygenation of propylene, the process by the carbonylation of acetylene to acrylic acid and its esters pays less cost, and so, is worth to be studied.

相对于目前主张的丙烯氧化法生产丙烯酸,再酯化生产丙烯酸酯的主流工艺,乙炔羰基化法合成丙烯酸及酯的工艺具有很好的经济性应用价值。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。