• 红外光谱不同温度下处理酚醛聚苯乙烯阳离子交换树脂碳化产物结构基团进行测试分析。

    The structural groups of carbonized products of phenolic aldehyde resin and polystyrene cation exchange resin treated at different temperatures are tested and analyzed with IR method.

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  • 同时上海研究人员19731975年间着手解析青蒿素的化学结构,他们发现青蒿具有一个全新罕见的过氧基团结构

    Meanwhile, researchers working in Shanghai from 1973 to 1975 found that artemisinin has a novel and unusual structure, a so-called peroxide bridge.

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  • 20不同有机分子结合起来组成多肽蛋白质20氨基酸结构相同,每种又分别各自不同的侧基团

    One of the 20 different organic molecules that are joined together to form a polypeptide chain or a protein the twenty amino acids share a common backbone, but each has a specific side-group.

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  • 实验结果显示由于处理纤维结构含有高吸水性甲基基团,处理后的纤维初始纤维更高的吸湿性。

    Experimental results showed that the treated fibers had much higher hydroscopicity than the untreated ones, due to the highly absorbent carboxymethyl groups in the fiber structure.

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  • 本文借助最大重叠杂化轨道理论,研究卤代甲烷系列分子的红外伸缩频率基团电负性质子酸度等分子性质结构关系

    The maximum overlap method was used to study the relationships the C-H stretching frequencies, group electronegativities and proton acidity properties and the molecular structure in the halomethanes.

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  • 而酰胺型开具有合成简单结构可调和共轭基团可换等优点,通过调整配体的功能基团可以实现配合物更好发光性能

    Amide ligands have the advantage in simple synthesis, adjustable structure and changeable sensitive conjugate groups, which make their complexes indicated good luminescence properties.

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  • 说明铝酸钠溶液中存在大分子基团属于无机高分子溶液,这种网络状“大分子”结构硅铝酸钠溶液稳定原因

    It has been proved that colloid units belong inorganic high polymer solution. The structure of network high polymer is why silicon dioxide containing sodium aluminate solution is stable.

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  • 研究不同离子基团聚酯多元醇和不同软段结构其干物理机械性能吸水率的影响

    The effects of polyols type and polyols containing different ionic groups on physical mechanical properties of dry films and water absorption were studied.

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  • 通过NOESY实验以及偶合常数分析确定了其结构1,10位双键氧基、乙酰氧基、甲基基团相对构型。

    The relative stereochemistry of the 1, 10-double bond and that of the methoxyl, methyl, and acetoxy groups were determined by NOESY experiments and analyses of the coupling constants.

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  • 阐述了酞菁电子结构是其具有气敏性基础,讨论了配合物中的中心原子取代基团配合物气敏性的影响

    The fundamental function of the electron structure of the ring skeleton and the influence of central atoms and substituents on gas-sensitivity is illustrated.

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  • 由于纤维化学上不活泼表面,表面缺乏极性基团,且是高度对称甲基结构,使得纤维具有很高结晶度取向度

    Because the fiber is of chemical inertion, low surface energy, lack of polar groups, and highly symmetric methylene structure, the fiber has a high degree of crystallinity and orientation.

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  • 染尘肌体组织加热过程中,蛋白质结构对称性降低逐渐氧化末端基团—ch_3,—CH_2振动减弱

    When injected organism tissues were heated, the protein structural symmetry was reduced, oxidated gradually, and the vibration weakened at the end radicel such as -ch3, -ch2.

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  • 结构表征表明有机基团通过原子引入分子筛骨架中

    Structural characterizations show that the Si atoms with organic groups are introduced into the molecular sieve frameworks.

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  • 两性酚醛树脂性能与其分子结构中有机阳离子、有机阴离子基团比例有关。

    The proportion of cationic groups and anionic groups influences the properties of amphoteric pherolresin.

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  • 塔格果糖“差异构体”,分子水平上,除了第四原子羟基基团倒置外,D -塔格糖与D -果糖结构一样的。

    On a molecular level, D-tagatose is structurally identical to D-fructose, except for an inversion of the hydroxyl and hydrogen groups at the fourth carbon atom.

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  • 有机基团结构具有连接方式刚性立体空间的柔韧性以及较强配位能力在很大程度上调控修饰无机骨架结构

    The organic groups can control and modify the structure of inorganic framework, for its rigidity in conjunct mode, flexibility in stereochemistry and strong capability of coordination.

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  • 红外光谱对镍离子印迹聚合物结构进行表征,红外光谱研究表明聚合物中存在模板分子相互作用的特征基团

    The structure of polymer was studied by IR spectrometry. The result indicated that some characteristic groups in the ion-imprinted polymer interacted with the template.

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  • 结果表明萃取物中含有脂肪结构芳香结构大量基团含有脂环化合物

    The results indicated that extracts contain aliphatic, aromatic and naphthenic compounds and a large amount of oxygen containing group.

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  • 同时运用IRSEMKAC进行结构分析,富含亲水性离子基团以及不规则的多网格微观结构成为高湿环境长效吸湿剂开发应用参考依据。

    The structure of KAC was characterized by IR and SEM, its rich hydrophilic and ionic groups and irregular network can supply reference for application as long-term desiccant in high humidity.

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  • 带有亲水基团高分子交联而成圆珠结构,而具有吸水保水性的吸水树脂

    With a strong hydrophilic group, macromolecule cross-linked polymer, bead-like structure, a water-absorbing resin with high water absorbing and water keeping.

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  • 带有基团结构与尿嘧啶相似。

    Structure resembles uracil with an attached bromine group.

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  • 开展了改性前后煤表面傅立叶红外光谱分析,结果证明,煤表面电磁改性具有时间效应,电磁场不能永久地改变的内部基团微观结构

    The FTIR analysis of surfaces of tested anthracites suggests that the induced modification is time dependent and can not permanently change the surface microstructure.

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  • 天然彩色棉纤维结构初步分析发现,天然色彩存在于纤维次生壁内,发基团羰基有关。

    On the basis of structure analysis of colored cotton, it is found that natural color is existed in the secondary cell wall and color group is in line with carbonyl.

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  • 测定枝物的分子量计算了接枝物的结构单元,认为每个氯化聚丙烯链上接上的马来酸酐基团个数30~67之间;

    Construction unit number was calculated by determining molecular weight. About 30-67 MAH units are grafted to a CPP chain.

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  • 聚合物结构特征含有原子芳炔基团超支化结构

    The polymer is structurally characterized in that the polymer is a hyper-branched structure containing silicone atoms and aryne group.

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  • 通过红外光谱分析验证了产品结构具有阳离子基团产品应用性能进行了研究。

    The cationic group in the structure of product is proved by the aid of IR spectrogram analysis, and the product is applied in leather manufacture.

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  • 开发出的解码软件成功实现了结构代码联结矩阵转化从而基团贡献法组合相应的基团奠定了基础。

    A decoding software system is also developed, which can be used to convert the structure code concerned into connection matrix method.

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  • 乳化剂结构具有阴离子离子基团需要通过复配就可达到两种基团协同作用

    The structure of the emulsifier is provided with the anion and the nonionic groups, and the synergic action of the two groups can be achieved without remixing.

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  • 说明解决问题的关键在于胶粘剂化学结构入手增加活性基团提高粘接强度。

    The key to solve this issue depends on from the chemistry structure of adhesive starting with, and increases the active base in order to raise dyeing behaviour.

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  • 通过化学反应PP分子结构引入极性基团达到PP功能化根本途径

    Introducing polar group onto molecular structure of PP via chemical reaction is deemed as a primary means for functionalization of PP.

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