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.
芳香族化合物,如芳胺、苯酚和氨基苯酚等有机化合物,通常用于保持橡胶的弹性和汽油中的黏性沉淀物。
Aromatic compounds such AS aromatic amines, phenols, and aminophenols delay loss of elASticity in rubber and gummy deposits in gASoline.
研究了芳族自由基负离子裂解反应中沿着反应坐标两个势能超曲面可能存在交叉点的问题。
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.
乙炔基取代的芳族化合物,其合成,聚合物及其用途。
Ethynyl substituted aromatic compounds, its synthesis, polymer and use thereof.
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.
用毛细管流变仪研究了乙基纤维素(EC)及其高密度聚乙烯(HDPE)复合物,纤维素芳族酯(CAE)及其聚碳酸酯(PC)复合物的剪切流变特性和机理。
The rheological behavior and mechanism of ethyl cellulose (EC), HDPE/EC composite, cellulose aromatic ester (CAE) and PC/CAE composite were studied by capillary rheometer in this paper.
综述了还原芳香族硝基化合物制备芳胺的主要方法,包括催化加氢法、金属还原法、水合肼还原法、电化学还原法等。
Four preparation methods for aromatic amine were reviewed in the paper: reduction of metals, catalytic hydrogenation reduction, hydration hydrazine reduction and electro-chemical reduction.
指出液晶共聚酯纤维具有比全芳族聚酰胺纤维高的综合性能。
The liquid crystalline polyester fibers exhibit higher comprehensive properties than wholly aromatic polyamide fibers.
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.
使用1,1,1,2-四氟乙烷和醇作为发泡剂的挤塑乙烯基芳族泡沫塑料。
Extruded vinyl aromatic foam with 1, 1, 1, 2 - tetrafluoroethane and alcohol as blowing agent.
保护措施预防撞击和贯穿是用碳纤维和聚芳族胺,和透过高密度扩大的聚苯乙烯制成的垫塞。
Protection against impacts and perforation is ensured by a shell in carbon fibers and aramid, and by an expanded polystyrene inner padding with high density.
本文介绍了几种具有中介相结构及非中介相结构的双-甲亚胺的模型化合物及三种芳族聚亚胺的合成。
In the present paper, a number of mesogenic and nonmesogenic model compounds (Bis azomethines) and Three types of aromatic polyazomethines were prepared.
乙炔基取代的芳族化合物,其合成,聚合物及其用途。
Ethynyl substd. aromatic compounds, synthesis, polymers and USES thereof.
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.
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.
本发明揭示芳基-亚乙基芳族化合物及其作为有机半导体的用途。
The invention discloses aryl-ethylene aromatic compounds and their use as organic semiconductors.
本发明涉及一种用于制备链烯基化的羟化芳族化合物、苯并二氢吡喃化合物和其酰化衍生物的方法。
The present invention relates to a process for the manufacture of alkenylated hydroxylated aromatic compounds, of chroman compounds and of their acylated derivatives.
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.
分子量提高,脂肪族聚酰胺和半芳聚酰胺的热稳定性和耐热性也升高;
The thermal performace of this two kind polyamide was increased with the increase of molecular weight.
本发明还涉及上述通风管在易于发生爆破或爆炸的地点中的应用,以及对位芳族聚酰胺纤维在通风管中的应用。
The invention also relates to an application for the ventiduct in a place where easily happens a blasting or an explosion, and an application of the contraposition aramid fiber in the ventiduct.
本发明还涉及上述通风管在易于发生爆破或爆炸的地点中的应用,以及对位芳族聚酰胺纤维在通风管中的应用。
The invention also relates to an application for the ventiduct in a place where easily happens a blasting or an explosion, and an application of the contraposition aramid fiber in the ventiduct.
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