• 中离子碳氮杂环碳

    Mesoionic carbenes are similar to N-heterocyclic carbenes.

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  • 目的观察苯乙化合物 E1降糖作用

    The aim is to observe the glucose-lowering effect of stilbenoid E1.

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  • 本文报道了三氮烯类试剂结构分析

    In this paper, the, structural analysis ot triazene hax been reported.

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  • 目的合成碳青烯类抗生素美罗培南

    Aim To synthesize meropenem trihydrate, a carbapenem antibiotic.

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  • 为原料合成代乙烯类化合物。

    Preparing alkenyl halide from aldehyde and ketone.

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  • 通过偶联反应合成三氮烯类试剂。

    A new triazene compound is synthesized by nitrogen coupling reaction of the diazonium salt.

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  • 含有丰富黄酮烯类物质澳洲蜂胶最大特点

    The most prominent feature of Australian propolis is contained abundant flavonoid and terpenoid substances.

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  • 介绍二苯乙化合物白藜芦醇药理学活性作用机制

    In the review, the pharmacological properties and effect mechanism of resveratrol, a compound of stilbenes were summarized.

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  • 烯类天然存在化合物植物油中的重要成份

    Terpenoid: These naturally existing compounds is the most important component of vegetable oil.

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  • 本文研究氯丁橡胶与烯类单体溶液体系中的聚合

    The graft copolymerization of vinyl monomers onto neoprene in solution was studied.

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  • 带特殊张力的桥环双键可以得到规整烯类加成聚合物

    Regular vinyl addition polymers may be obtained from particularly strained endocyclic double bonds.

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  • 1有代表性单萜烯类显示异戊二单元一般结构特点

    Figure 1. Representative monoterpenes. Isoprene units are shown to indicate the common structural features.

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  • 2是单体乳液聚合加入助剂配而成,用于喷涂消光

    DM-2, an ethylene component co - compounded by polymerization of emulsion and the addition of auxiliaries, is employed in matting sprays.

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  • 研究探针化合物安息引发单体光聚合反应中的应用。

    The photopolymerization process of acrylate monomer initiated by benzoin ether has been studied by two kinds of fluorescence probe.

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  • 介绍了常见淀粉—烯类单体接枝共聚产物各成分分离及其表征方法

    This paper presents a reviewal profile of methods on separation and characterization about starch-vinyl graft copolymers.

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  • 大多、倍半萜烯类化合物,Z-柠檬醛含量最多,达24.21%。

    Z-Citral content was 24.21% which was the most component.

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  • 通过气候加速试验机模拟自然气候,讨论了聚丙编织物的自然老化性能

    The natural ageing properties of polypropylene textile were studied under simulated climatic environment formed by accelerating tester for weather in this paper.

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  • 基因使细菌碳青烯类(carbapenems)抗生素产生耐药性

    The gene made the bacteria resistant to the group of antibiotics called carbapenems.

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  • 烯类通常紧急情况时使用,用于细菌常用抗生素产生耐药性之后。

    The carbapenems are normally kept for emergencies and used when bacteria is found to be resistant to more commonly prescribed antibiotics.

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  • 架子设计的,聚乙塑料材质的加立柱保持最大稳定性的地板。

    Stands are constructed of durable thick-wall, polyethylene plastic with a structurally reinforced post and fillable base for maximum stability.

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  • 课题概述了碳青抗生素研究进展,并设计合成了比阿培南的侧中间体

    This paper studied some of the highlights in the progress of the research of carbapenem antibiotics, designed and mainly synthesized branched chain intermediate of biapenem.

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  • 高分子化学实验中,单体精制主要单体而言包括某些其它单体。

    In polymer chemistry experiments, the monomer is refined mainly in terms of vinyl monomers, but also some other types of monomers.

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  • 介绍部分芳香及其散发出的香型以及部分能散发出烯类物质的树木它们的药用功能。

    Some aromatic agents, diffused smell and terpenes from trees as well as their application in medicine were introduced.

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  • 红外光谱分析证实MST组分离子反应产生自由基引发烯类聚合。

    The end group analysis of polyacrylonitrile by IR spectrum confirmed that the free radical produced by the reaction of MST and eerie ion could initiate the polymerization of vinyl monomer.

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  • 研究样本收集于2013至2014年。所发现的超级细菌耐碳青霉烯类杆菌,简称CRE

    The samples were collected between 2013 and 2014. The superbug found was carbapenem-resistant Enterobacteriaceae, or CRE.

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  • 目前设计合成新的具有良好光致变色性能二芳基乙化合物仍然领域研究热点之一。

    At present, the design of new and good photochromic properties of the aryl vinyl compounds is still research in the field of hot spots.

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  • 综述了聚氯乙热塑性弹性体结构性能应用等,介绍了国产聚合度PVC的应用。

    The varieties, structures, properties and applications of the thermoplastic elastomers of polyvinyl chloride type were reviewed. The applications of domestic high polymeric PVC were introduced.

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  • 综述了聚氯乙热塑性弹性体结构性能应用等,介绍了国产聚合度PVC的应用。

    The varieties, structures, properties and applications of the thermoplastic elastomers of polyvinyl chloride type were reviewed. The applications of domestic high polymeric PVC were introduced.

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