查询词典 aromatic

Metabolic engineering is introduced into the aromatic compounds degradation in early 90's.

以甲苯途径为代表讨论了芳香族化合物的分子生物学研究情况。

It showed that pyrolytic temperature had great influence on the formation of aromatic substances.

研究结果表明：裂解温度对裂解产物具有非常大的影响，裂解温度不同，所产生的香味物质的含量也各不相同。

We can also see from these seeds that we can detect in lower layers of the soil, that aromatic spices

我们还可以从在土壤下层发现的这些种子看出，当时人们在庆祝活动中使用了有香味的调料，并把它们

This paper generally reviews the developments of various hydrocarbon aromatization commercial technologies at home and abroad, discusses the problems of aromatic production technologies in China and provides some suggestions.

本文介绍了国内外芳烃生产技术的现状，探讨了我国芳烃生产技术存在的问题，并提出了一些解决问题的建议。

When the proportion of the aryl halides was changed,the aromatic products with different number substitutes could be obtained.

通过研究我们发现，活泼酰基与烯丙基在偶联反应中活性相当，可得到不同成环方式的产物，且当改变卤代物比例时，将得到不同数量取代芳烃的产物。

A bitter aromatic gum resin that resembles asafetida.

一种苦味芬芳的树胶脂，类似阿魏胶。

The average percent content of saturated hydrocarbons and aromatic hydrocarbons is changed from 56.32% to 60.38% and from 21.44% to 22.97% respectively, and resins compounds are increased by 2.09%, and asphaltum is reduced to 1.29%.

原油经配伍菌作用后含蜡质量分数平均降低17.56%，含胶质量分数平均降低26.54%，处理后的原油表观黏度与处理前相比降低50%，原油流动性得到改善。

Aromatic salts can be used to soothe swollen feet and relieve athlete's foot.

芳香盐亦可以被用於舒缓肿胀的脚和足癣。

The generalized relationship which correlates the geminal coupling constants with the hybrid orbitals, net atomic charges, bond lengths and bond angles had been employed to obtain one concrete relationship for calculation of the geminal coupling constants 2JCaCbH in aromatic systems.

在前文工作的基础上，本文结合MNDO分子轨道方法和最大键级杂化轨道方法研究得到了计算苯及其取代物中孪位偶合常数2JCCH的多元级性关系式。

Any of various trees, especially the balsam fir, yielding an aromatic resinous substance.

香脂冷杉一种能产生芳香脂类物质的树木，尤指胶杉

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"