查询词典 aromatic

Aromatic evergreen or deciduous dioecious shrubs or trees of eastern Asia and North America.

东亚及北美芳香的常绿或落叶性雌雄异体灌木或乔木的一个属。

Other aromatic compounds such as toluene, diphenylmethane and 1,1,2-triphenylethane were also deuterated smoothly in C6D6 within 24 h at room temperature.

其它的芳香族化合物如甲苯、二苯甲烷和1，1，2－三苯乙烷与氘代苯在室温下24小时也顺利地发生氢氘交换反应。

Based on the study of the adsorption mechnism between the macroporous weak base anion-exchange resins and the aromatic sulfonic acid, a pretreatment method for the wastewater from 4, 4'-diaminostilibene-2, 2'-disulfonic acid manufacturing process, a refractory dye intermediate wastewater, was developed.

在对芳香磺酸化合物吸附机理研究的基础上，开发了大孔弱碱性阴离子交换树脂吸附法处理4，4'-二氨基二苯乙烯-2，2'-二磺酸氧化工序生产废水的新技术，并得到了工业化应用。

A-Methylnaphthalene contains a methyl group, which is a strong donor group, so the reaction of a-methylnaphthalene with C14 AOS acid had a higher conversion of aromatic than did the reaction of benzene with C14 AOS acid. After alkylaryl sulfonic acid is formed, it will continue to react with another AOS acid to rapidly produce dialkylaryl disulfonic acids owing to the electron- donating effect of the long alkyl chain in the alkylaryl sulfonic acid molecule.

a-Methylnaphthalene包含一个甲基集团，这是一个强大的捐赠团体，所以 a-methylnaphthalene反应出了与C14酸更高的转换的反应比苯与C14活性氧酸。alkylaryl磺酸为后形成，它将继续与另一出酸 dialkylaryl disulfonic迅速产生的电子-酸捐赠的长期效果在alkylaryl烃链磺酸分子。

Wheat for the passers-by to send aromatic fragrance, fatigue sleepy, and sucking a Wheat, Dungan God and eyes cool.

麦穗为过往行人送芳香馥郁，倦怠困乏了，吮一口麦香，顿感神清目爽。

Series of aromatic solvents have been awarded the "Nanjing brand" the title of best-selling domestic products more than 10 provinces and cities, Durene also exported to Japan, Western Europe and other places.

系列芳烃溶剂曾荣获&南京名牌产品&称号，产品畅销国内十多个省市，均四甲苯还出口日本、西欧等地。

Yangzi Petrochemical company to my company by-product of heavy aromatics C10 as the main raw material, with an annual output of 80,000 tons of high boiling point aromatic hydrocarbon solvent series production facilities and annual output of 2000 tons Durene isomerization a production device, is currently the largest , the most technologically advanced processing enterprises C10 aromatics.

我公司以扬子石化公司副产品重芳烃C10为主要原料，拥有年产8万吨高沸点芳烃系列溶剂生产装置和年产2000吨均四甲苯异构化生产装置各一套，是目前国内规模最大，技术最先进的C10芳烃加工企业。

Products are widely used in paints, coatings, pesticides, inks and plastics in different sectors, such as S-800, S-1000, S-800, S-1500, S-1800, S-2300 series of aromatic solvents and as the production of advanced insulation materials Durene raw materials, as well as important chemical raw materials naphthalene oil industry.

产品为广泛用于油漆、涂料、农药、油墨和塑料等不同行业的S-800、S-1000、S-800、S-1500、S-1800、S-2300系列芳烃溶剂和作为生产高级绝缘材料原料的均四甲苯，以及重要的化工原料石油工业萘。

To further extend the scope of this type Cannizzaro disproportionation reaction and the reactivity of enolate ligand in complex with aldehyde,we designed to synthesis new rare earth complexes containing arylamido and.enolate mixed ligands,studied their reactivity with aromatic aldehydes for the disproportionation reaction.

为了进一步探索这种歧化反应的应用范围及配合物中作为配体的乙烯醇基与醛的反应性，我们设计合成了含胺基、乙烯醇基混合配体的新型稀土配合物，并研究了其与芳香醛的反应。

Tyrosine An aromatic amino acid derived from erythrose 4-phosphate and phosphoenolpyruvate.

酪氨酸：由4-磷酸赤藓糖和磷酸烯醇式丙酮酸衍生的一种芳香族氨基酸。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。