芳烃

The feasibility of recovering low-temperature heat in aromatic fractionator and debottlenecking unit operation through technical revamping is discussed.

通过深入分析后提出了对歧化、异构化和连续重整等芳烃装置进行类热高分改造方案，并对回收低温热的潜力进行科学评估。

Six Vegetables, namely tomato, cucumber, French bean, radish, Spinach and Chinese cabbage, were irrigated with Petrochemical wastewater containing Phenols and aromatic hydrocarbons and treated with biochemical process.

利用生化处理石油化工含酚和芳烃混合废水，灌溉了番茄、黄瓜、菜豆、萝卜、菠菜和白菜等6种蔬菜，经过观察，对以上蔬菜的生长、产量和品质均没有不良影响。

A pre-fermentation cold maceration (or "cold soak") involve an aqueous extraction, rather than an alcoholic extraction, and can extract colour, aromatics, fruitiness, and mouthfeel/width ("flesh"/"fat").

前发酵寒冷浸渍涉及水提取，而非酒精萃取可提取颜色、芳烃、fruitiness、口感/宽度。

The results showed that: the concentrations of PAHs were in the range of 84.5ng/g to 167.6ng/g, and the average value was 138.62ng/g in surface sediments.

结果表明，表层沉积物中PAHs的浓度范围为85.4~167.7ng/g，平均值为138.62ng/g，总多环芳烃的最大值是椒江码头。

On the other hand, the effect of magnetic field on fluorescence polarization spectra of PAHs were examined in glycerol.

研究了磁场对多环芳烃分子在丙三醇介质中荧光偏振光谱的影响。

In this paper, the catalyst which consists of different concentration of H_2SO_4, HAc and the liquid Lewis acid, which was used to catalyze Blanc chloromethylation.

本文报道了一种由液体Lewis酸与不同浓度的硫酸和醋酸所组成的新型芳烃氯甲基化催化剂体系。

Especially the much ring fragrant hydrocarbon in them, because of having carcinogenic, mutant, aberrant and can pursue level enrichment through food-chain in the body of animals and plants, they accumulate in soil is harmer.

特别是其中的多环芳烃，因有致癌、致变、致畸等活性和能通过食物链在动植物体内逐级富集，它在土壤中的累积更具危害。

A serial of novel thiophene-based main chain conjugated compound with varieties of aromatic rings and heterocycle, such as acenaphtenequinoxaline phenanthrenequinoxaline ,have been synthesized on the base of looking for lots of references and summarized others research work.

在查阅大量文献和综合前人所作工作的基础上，我们选择卤代芳烃与Sn金属有机试剂在Pd催化下合成了以萘基喹喔啉和菲基喹喔啉为主的一系列噻吩与杂环构成的交叉共轭化合物。

C〓 thiophene didn't exist in aromatic fraction at 200℃, but very abundant at 300℃, indicating that heterotrophy resulted in the disappearance of chlorophyll which had transformed into more stable compounds with phytane side chain.

在200℃热模拟产物芳烃组份中不存在C〓噻吩，而300℃热解产物中该化合物含量较高，这可能暗示着异养黄化作用导致了叶绿素消失，并转化为更加稳定的具植烷侧链化合物。

A process in which naphthas are converted to high-octane aromatics in the presence of hydrogen and a catalyst under pressure and heat.

临氢重整在高温高压下，在氢和催化剂的作用下石油精转化为高辛烷值的芳烃的过程

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐