• 使用1,1,1,2-四氟乙烷作为发泡剂挤塑乙烯泡沫塑料。

    Extruded vinyl aromatic foam with 1, 1, 1, 2 - tetrafluoroethane and alcohol as blowing agent.

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  • 生产了各种三氟甲磺酸酯。

    Various aryl triflates were produced.

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  • 开发光致变色材料乙烯系列。

    He developed the diarylethene family of photochromic materials.

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  • 用于合成各种具类结构的手性药物。

    It can be oriented to produce levo-aromatic and dextro-aromatic alcohols.

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  • 详细研究了硼酸硼酸的合成及其工艺改进

    The synthesis of fluoro-substituted phenylboronic acid, and multiarylboronic acid and their process improvement were studied in detail.

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  • 这些豪华酒店现在费尔蒙酒店集团管理包括魁北克堤娜城堡酒店,班弗温泉酒店露易斯城堡酒店等。

    This luxurious collection of hotels (now run by Fairmont) includes Quebec City's Chateau Frontenac, the Banff Springs hotel and Chateau Lake Louise in the Rockies.

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  • 氮氧化物氮氧化物还要稳定

    Diaryl nitroxides are even more stable than the dialkyl nitroxides.

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  • 取代位置和性质以及使用溶剂能够影响映体2r,4r和2s, 4r在溶液中的相对含量

    The relative contents of diastereomers, 2r 4r and 2s 4r, in solution are influenced by both the solvents used and the characteristics and locations of substituents on 2-aryl.

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  • 氮氧化物自由氮氧化物自由还要稳定

    Diaryl nitroxides are even more stable than the dialkyl nitroxides.

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  • 目前设计合成新的具有良好光致变色性能乙烯类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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  • 本文报导几种具有不同取代合成丁炔醇不同催化条件反应性能。

    The synthesis of a few Aromatic butynols with different substituting groups and reaction of Phenyl butynols under the different catalysis is described in this paper.

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  • 二烯化合物认为高盐还原沉积环境中沉积有机质馏分中的特征性生物标志物。

    Aryl isoprenoid compounds in the aromatic fraction of sedimentary organic matter have been regarded as a biomarker that indicates a saline and strongly reducing sedimentary environment.

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  • 研究了自由负离子裂解反应沿着反应坐标两个势能超曲面可能存在交叉点问题。

    The possible existence of a crossing point between two potential hypersurfaces along the reaction coordinate for the cleavage reactions of aromatic radical anions is studied.

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  • 本文研究氢氧化铯催化下,三甲硅乙炔二硒醚的反应

    It has been researched on the reaction of trimethylsilylacetylene with diphenyl diselenide catalyzed by cesium hydroxide.

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  • 取代吡唑化合物通道阻滞剂用于治疗疼痛其它病症

    Biaryl substituted pyrazole compounds are sodium channel blockers useful for the treatment of pain and other conditions.

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  • 论文对二庚烷天然产物分布生物活性,生物合成化学合成进行了概述。

    This thesis describes natural diarylheptanoids from distribution, bioactivity, biosynthesis and synthesis and focuses on the synthesis of several diarylheptanoids.

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  • 该文首次论述了不同碱性条件环上碳代异戊烯方法参考文献24篇。

    In this paper the methods of inducing prenyl into aromatic nucleus under basic condition are discussed for the first time with 24 references.

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  • 乙炔取代化合物合成聚合物及其用途。

    Ethynyl substituted aromatic compounds, its synthesis, polymer and use thereof.

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  • 第一硼酸磷光光谱单糖进行识别的研究。

    This was the first time to use phosphorescence spectra of aromatic boronic acid for the recognition of carbohydrates.

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  • 在反应中不受影响。因此这一聚合物催化剂特别适用、腈、羧和酯相连双键氢化

    Thus, this polymer catalyst is especially suited to the hydrogenation of the ethylenic double bonds which are linked to aromatic, cyano, carboxyl and ester groups.

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  • 条件下苯乙烯单程转化率93.5%,乙烷选择性为78.9%。

    Styrene conversion of 93.5% and selectivity to diphenylethylane of 78.9% were attained under the optimum condition.

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  • 目的研究取代蝶类化合物合成及其抗肿瘤活性

    Aim To study the synthesis and antitumour activities of some aryl-substituted pteridines.

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  • 设计并合成了23化合物,95个双取代脲类化合物25个双取代硫脲类化合物。

    Total 23 compounds of Aroyl thiourea scaffold. 95 compounds of bis-substituted urea scaffold, 25 compounds of thiourea scaffold were designed and prepared.

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  • 取代及其衍生物呈现出光电磁等许多新颖性能

    Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical, electric, magnetic properties.

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  • 肟胺菊酯类化合物1,2,4-恶二唑衍生物合成及其生物活性研究

    Studies on the Synthesis and Biological Activities of Aryl Amidoximyl Chrysanthemumates and 1,2,4-Oxadiazole Derivatives.

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  • 取代性质产物分布调性具有重要影响

    The properties of the substituents on aromatic ring would influence whether the product distribution could be controlled conveniently.

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  • 可用作治疗剂噻吩并吡啶的苯并稠合杂酰胺衍生物包括它的药物组合物及其使用方法

    Benzofused heterozryl amide derivatives of thienopyridines useful as therapeutic agents, pharmaceutical compositions including the same, and methods for their use.

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  • 提出了一合成氟喹诺酮抗菌剂沙星马沙星的方法

    A new synthetic method for preparing two arylfluoroquinolone antimicrobial agents, difloxacin and temafloxacin, was reported.

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  • 提出了一合成氟喹诺酮抗菌剂沙星马沙星的方法

    A new synthetic method for preparing two arylfluoroquinolone antimicrobial agents, difloxacin and temafloxacin, was reported.

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