The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.
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。
At the same time there is an increase in some aromatic compounds.
同时有增加一些芳香族化合物。
Humic acids are usually regarded as polymers of aromatic compounds.
殖酸通常被看作是芳烃化合物的聚合物。
Ethynyl substd. aromatic compounds, synthesis, polymers and USES thereof.
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.
乙炔基取代的芳族化合物，其合成，聚合物及其用途。
Nitro derivatives of Aromatic compounds is an important category of energetic compounds.
芳香族硝基化合物是一类重要的高能化合物。
Results indicted that aromatic compounds 2,7 and 10 showed potential antitumor activity.
芳香化合物2、7、10表现明显的体外抗乳腺癌细胞活性。
As a good nitrating agent, N2O5 has been widely used in the nitration of aromatic compounds.
N2O5作为一种优良的硝化剂，已被广泛应用于各种芳烃化合物的硝化反应中。
The invention discloses aryl-ethylene aromatic compounds and their use as organic semiconductors.
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。
His group has found hundreds of genes that encode enzymes which produce flavourings and aromatic compounds.
他的团队还揭秘了几百种酶的基因，正是这些酶的基因控制了造成浓郁口味和芬芳气味的化合物。
Oxidation reaction is an important method for the conversion of functional groups in aromatic compounds.
氧化反应是对芳香族化合物进行官能团转化的重要方法之一。
In anaerobic environments, chlorinated aromatic compounds were usually degraded by reductive dechlorination.
氯代芳香族化合物可在厌氧条件下通过还原脱氯作用得以降解。
It was found that the coke precursor was mainly three ring aromatic compounds with a few of aromatic ethers.
实验结果表明：焦炭前身物主要由三环取代芳香化合物组成，并有芳醚类化合物存在。
They could be used in extraction of butyldiene, separation of aromatic compounds and removing sulfide in FCC diesel.
这类抽提剂主要用于丁二烯抽提、芳烃分离及催化汽油硫化物脱除等。
They found that it was composed of various aromatic compounds and sulfides in addition to large quantities of carbon.
他们发现原来它的组成除了大量的碳，还有各类芳香族化合物和硫化物。
They found that it was composed of various aromatic compounds and sulfides in addition to large quantities of carbon.
原来它的组成除了大量的碳，还有各类芳香族化合物和硫化物。
The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.
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。
Fragment ions characteristic of resin structure were detected along with aromatic ions derived from aromatic compounds.
碎片离子中除了芳香化合物的特征碎片外，还有反映树脂结构的碎片。
The result showed that the selection of solvent and the aromatic compounds had direct effect on the depth of the reaction.
结果表明，溶剂的选用与原料中的芳环化合物含量直接影响着反应的深度；
The photochemical reaction and mechanism of chlorofluorocarbons and aromatic compounds in solid ice was introduced chiefly.
重点介绍了氟氯烃和芳香族化合物在固态冰相中的光化学反应和反应机理。
A complex corrosion inhibitor has been synthesized from quinoline, organic amines, aromatic compounds and halohydrocarbons.
以喹啉为母体，配以有机胺和芳香族化合物，与卤代烃反应合成了一种复合缓蚀剂。
The aromatic compounds of 28 representative China Oolong tea was studied by gas chromatography and mass spectrometry analysis.
采用气相色谱-质谱法对28个中国代表性乌龙茶芳香物质进行了研究。
As for aromatic compounds, their binding energies increased with the donor ability or withdrawing ability of fuctional groups.
对于取代芳烃，取代基给电子的能力越强，结合能越大。
Laccase is one of phenoloxidases that catalyze the transformation of a large amount of phenolic and non-phenolic aromatic compounds.
漆酶是一类多酚氧化酶，它能够催化空气中的氧气直接氧化各种酚类、芳胺等芳香类化合物。
Their separation selectivities are toward alkanes, alcohols, ketones, aromatic compounds, positional isomers and some chiral compounds.
其对烷烃、醇类、酮类、芳香族化合物、位置异构体以及一些手性化合物具有良好的分离效果。
Aromatic compounds such AS aromatic amines, phenols, and aminophenols delay loss of elASticity in rubber and gummy deposits in gASoline.
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。
This book also contains a searchable CD-ROM of the author's previous work covering aromatic compounds researched from 1900 through 1972.
这本书也包含从1900到1972研究的包括芳香的化合物的作者的以前的工作的可搜寻的CD - ROM。
The results showed that MTDF-01 could produce acids, alcohols, aldehydes, ketones, esters and aromatic compounds by pure solid fermentation.
结果表明，纯种固态发酵能代谢生成酸、醇、醛、酮、酯及芳香族化合物等多种物质。
According to the investigation of Puerariae radix, the chemical constituents mainly include isoflavonoids, triterpenoidal and aromatic compounds;
根据对中草药葛根的调查研究：它的化学成分主要为异黄酮类、三萜类和芳香类化合物；
According to the investigation of Puerariae radix, the chemical constituents mainly include isoflavonoids, triterpenoidal and aromatic compounds;
根据对中草药葛根的调查研究：它的化学成分主要为异黄酮类、三萜类和芳香类化合物；
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