以双环戊二烯等为原料合成一种新型三官能团液体脂环族环氧树脂。
Started from dicyclopentadiene, a novel, liquid, trifunctional cycloaliphatic epoxide resin was synthesized and characterized.
第二章,蒙古族环椎信仰特征包含了祖先信仰特征和力量信仰特征,以此闸释了蒙古族特殊的民族情怀。
In chapter two, in order to explaining the Mongolian special national feelings, it tells us that the features of Mongolian atlas worship contain the features of ancestral beliefs and power beliefs.
报道了通过串联环加成芳构化反应合成多取代芳族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.
胞嘧啶:嘧啶族的有机化合物。常被称为基,包含一个单环,内有氮原子和碳原子,还有氨群。
Cytosine organic compound of the pyrimidine family often called a base consisting of a single ring containing both nitrogen and carbon atoms and an amino group.
一种含唑环半芳香聚酰胺及其合成方法,它涉及一种半芳香族尼龙及其合成方法。
Disclosed is a semi-aromatic polyamide containing oxazole ring and the related synthesis method, relating to a semi-aromatic nylon and the synthesis method.
研究结果表明,脂环族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.
生物胺是一类含氮的脂肪族或杂环类低分子化合物,对动植物和微生物活性细胞有重要的生理作用。
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.
木质素结构中含有芳环、脂肪族侧链和许多活性官能团,具有一定的离子交换与吸附性能。
Lignin consists of both aromatic and aliphatic portions containing many active functional groups, which suggests some ion exchange and adsorption properties.
并且在不同的迁移族不断作用下生成P-粗积分链、P-粗积分环及P-粗积分环链。
They can generate a P-rough integral chain, P-rough integral ring and P-rough integral ring chain.
合成了以羟基封端的脂肪族聚碳酸酯-聚乙基醚碳酸酯二醇(PEECD),并用于环氧(EP)树脂的增韧。
One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .
生物胺是一类含氮的脂肪族或杂环类低分子化合物。
Biogenic amine is a kind of low molecular compounds belonging to nitric fatty group or heterocycle group.
本文报道用环加成-芳构化串连反应制备多取代芳香族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.
采用一步法合成以4 ,4 '-甲烷二环已基二异氰酸酯(HMDI)、扩链剂1,4 -丁二醇(BDO)为硬段,聚四氢呋喃醚(PTMG)为软段的脂肪族聚氨酯。
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).
分析结果表明,这四种脂环族酸酐均能在OV - 17毛细管色谱柱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.
王平:杰夫邀请我们去逛四环,我们也沾沾有车族的光。
Wang Ping: Jeff invited us to drive around the fourth ring road. Let us also benefit from the association with car families.
以环氧树脂E-44为原料合成了环碳酸酯,再与脂肪族伯胺反应合成了非异氰酸酯聚氨酯。
Nonisocyanate polyurethane(NIPU) was synthesized by aliphatic primary diamine and cyclocarbonate prepared from epoxy resin E-44.
半导体聚合物包括源自噻吩、吡咯、苯胺和多环杂芳族化合物的聚合物或共聚物。
Semiconductive polymers include polymers or copolymers derived from thiophenes, pyrroles, anilines, and polycyclic heteroaromatics.
师生关系为元代“多族士人圈”中具有重要意义的一环。
The master-disciple relationship forms an important link in the multi-ethnic networks of the Yuan dynasty literati.
本发明涉及用在铝酸锂载体上的钌催化剂将芳胺催化氢化为其相 应的脂环族化合物的方法。
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.
本发明涉及可聚合组合物,所述组合物包含可自由基聚合的酸性树脂和含有多环芳族组分的光引发剂体系。
The invention features a polymerizable composition that comprises a free-radically polymerizable acidic resin, and a photoinitiator system comprising a polycyclic aromatic component.
本文首次合成了几种含苯并呋喃苯并噻吩环的新的芳香族四羰基化合物,并对它们进行了元素分析和红外光谱测定。
Several new bis (1,2-dicarbonyl) compounds containing benzofuran or benzothiophene ring have been synthesized and identified by elemental analysis and Infra red spectroscopy.
本文首次合成了几种含苯并呋喃苯并噻吩环的新的芳香族四羰基化合物,并对它们进行了元素分析和红外光谱测定。
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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