• 以双戊二烯等为原料合成种新型三官能团液体树脂

    Started from dicyclopentadiene, a novel, liquid, trifunctional cycloaliphatic epoxide resin was synthesized and characterized.

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  • 报道了通过串联加成构化反应合成多取代化合物方法。

    The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.

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  • 半芳香聚酰胺及其合成方法,它涉及一种半芳香尼龙及其合成方法。

    Disclosed is a semi-aromatic polyamide containing oxazole ring and the related synthesis method, relating to a semi-aromatic nylon and the synthesis method.

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  • 研究结果表明,脂硝酸酯作为柴油十六烷值改进剂具有很高的使用价值

    The results show that naphthenic nitrate is a valuable additive in practical use.

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  • 生物一类脂肪分子化合物,对动植物微生物活性细胞重要生理作用。

    Biogenic amine is a kind of low molecular weight compounds containing nitric fatty group or heterocycle group. They have biological importance in vegetable, microbial and animal cells.

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  • 木质素结构中含有脂肪侧链许多活性官能团具有一定离子交换吸附性能

    Lignin consists of both aromatic and aliphatic portions containing many active functional groups, which suggests some ion exchange and adsorption properties.

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  • 并且在不同的迁移不断作用下生成P-积分、P-粗积分P-粗积分链。

    They can generate a P-rough integral chain, P-rough integral ring and P-rough integral ring chain.

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  • 合成了以羟基封端的脂肪聚碳酸酯-乙基碳酸酯二醇(PEECD),用于EP树脂增韧

    One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .

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  • 生物一类脂肪分子化合物

    Biogenic amine is a kind of low molecular compounds belonging to nitric fatty group or heterocycle group.

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  • 本文报道加成-芳构化串连反应制备多取代芳香化合物的方法。

    The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.

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  • 采用一步合成4 ,4 '-甲烷已基二异氰酸酯HMDI)、扩链剂1,4 -二醇(BDO)为硬段,四氢呋喃醚(PTMG)为软段的脂肪聚氨酯

    The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).

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  • 分析结果表明酸酐均OV - 17毛细管色谱上获得很好的峰形和分离效果

    The analysis results revealed that good separability of alicyclic anhydrides could obtain on OV-17 column.

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  • 找到两个2网络无限

    In this paper, two infinite families of2 - tight optimal double loop networks are found.

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  • 王平杰夫邀请我们,我们沾沾有车的光。

    Wang Ping: Jeff invited us to drive around the fourth ring road. Let us also benefit from the association with car families.

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  • 树脂E-44为原料合成碳酸,再脂肪伯胺反应合成了非异氰酸聚氨酯

    Nonisocyanate polyurethane(NIPU) was synthesized by aliphatic primary diamine and cyclocarbonate prepared from epoxy resin E-44.

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  • 半导体聚合物包括源自噻吩、吡咯苯胺杂芳化合物的聚合物共聚物

    Semiconductive polymers include polymers or copolymers derived from thiophenes, pyrroles, anilines, and polycyclic heteroaromatics.

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  • 师生关系元代“多士人”中具有重要意义

    The master-disciple relationship forms an important link in the multi-ethnic networks of the Yuan dynasty literati.

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  • 发明涉及载体上催化剂催化氢化相 应的脂化合物的方法

    The present invention relates to processes for the catalytic hydrogenation of aromatic amines to their acyclic counterparts using a ruthenium catalyst on a lithium aluminate support.

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  • 发明涉及可聚合组合物,所组合物包含可自由基聚合的酸性树脂含有组分的光引发体系

    The invention features a polymerizable composition that comprises a free-radically polymerizable acidic resin, and a photoinitiator system comprising a polycyclic aromatic component.

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  • 本文首次合成了几种苯并呋喃苯并噻吩新的芳香四羰基化合物对它们进行了元素分析红外光谱测定

    Several new bis (1,2-dicarbonyl) compounds containing benzofuran or benzothiophene ring have been synthesized and identified by elemental analysis and Infra red spectroscopy.

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  • 本文首次合成了几种苯并呋喃苯并噻吩新的芳香四羰基化合物对它们进行了元素分析红外光谱测定

    Several new bis (1,2-dicarbonyl) compounds containing benzofuran or benzothiophene ring have been synthesized and identified by elemental analysis and Infra red spectroscopy.

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