查询词典 aromatic compound

Chinese herb with palmately compound leaves and small greenish flowers and forked aromatic roots believed to have medicinal powers.

中国的一种草本植物，小叶，花小，淡绿色，伞状花序，结成鲜红的浆果。

Additionally, 75 volatile chemical constituents have been identified from the petroleum ether extracted part by capillary GC-MS, and the relative percentages of them are determined by GC method. The result showed that the volatile constituents of Musella lasiocarpa mainly includes advanced alkane, aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds. With the compounds that have been isolated and identified from Musella lasiocarpa, the biogenensis pathway of new compound MT-3 is approached. Furthermore, the bacteriostasis of the 6 compounds to Escherichia coil, Pseudomonas aerusinosa, Bacillus megaterium, Sarcina lutea and Bacillus subtilic are determined by flat dilution method.

此外，从其石油醚萃取部分用毛细管色谱法分析鉴定出75种挥发性化学成分，并测定了各组分的相对百分含量，结果表明，地涌金莲挥发性化学成分以高级烷烃、高级脂肪酸酯及醛、酮、芳香和芳香杂环化合物为主；根据从地涌金莲中鉴出和分离得到的化合物，探讨了新结构化合物MT-3的生源代谢途径；采用平板稀释法测定了地涌金莲中六种化学成分对大肠杆菌、绿脓杆菌、巨大芽孢杆菌、藤黄八叠球菌和枯草芽孢杆菌的抑菌作用。

A novel BB'2-type aromatic triamine containing pyridine ring was successfully synthesized by catalytic reduction of the trinitro compound obtained by a modified Chichibabin reaction in acidic medium with hydrazine hydrate.

采用商品化的原料，在酸性介质中经改进的Chichibabin反应先合成含吡啶环的三硝基化合物，再用水合肼催化还原得到一种新型的含吡啶环BB'2型芳香三胺单体。

The obtained rice husk adsorbent showed great capability of adsorption to aromatic compound and heterocyclic dye in the process of water purification.

以酸处理稻壳为原料，研究了稻壳吸附剂的活化工艺，所制备的吸附剂对水中芳香化合物和杂环染料均有较大的吸附能力。

In general, they are synthesized by using chemistry oxidant to oxidize methyl group of aromatic compound into the aldehyde group.

其生产方法一般采用化学氧化剂氧化甲基化合物的方法，即采用化学氧化剂氧化甲基化合物得到芳香族醛类。

A new convenient synthesis of a series of 1-aryl-2-propanones using aromatic amines as precursors, via diazo reaction and improved Meerwein arylation reaction under mild conditions, was achieved. In addition, 1-[3,5-bisphenyl]-2-propanone is a new compound among the synthesized compounds. This approach is an efficient synthetic method for the aryl-propanones with the different substituting groups.

以芳香胺为原料，经重氮化和改进的Meerwein芳基取代反应，合成了一系列的1-芳基－2-丙酮，其中1-（3，5-二三氟甲基苯基）2-丙酮是一个新化合物改进后的方法简化了合成步骤，提高了收率，可方便地用于在苯环上具有不同取代基的芳基丙酮的合成。

The prime raw materials for azo pigment are a diazo component such as aromatic amine and a coupling component such as phenolic compound.

偶氮颜料的主要原料是一些重氮成份如芳香族胺和一些偶联成份如酚类化合物。

The surface-enhanced Raman scattering spectroscopy analysis verifies that two nitrogen-containing or sulphur-containing aromatic heterocyclic compound s were chemisorbed onto the Ag-plated carbon fibers and formed a lie-down phase.

表面增强拉曼散射光谱分析证实了含氮或含硫的芳杂环化合物化学吸附在银的表面，并形成了平躺取向的自组装膜结构。

"Toluene: Colourless, flammable , toxic liquid hydrocarbon aromatic compound (C6H5CH3), the methyl derivative of benzene."

甲苯：无色、易燃、有毒的液体烃芳香族化合物，是由苯衍生出甲基。

A white, crystalline, aromatic compound, C10H14O, derived from thyme oil and other oils or made synthetically and used as an antiseptic, a fungicide, and a preservative.

百里粉一种芳香的白色结晶化合物c10h14o，从百里油或其它油中提炼取得或人工合成，可用作消毒剂、杀真菌剂和防腐剂

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！