查询词典 aromatic

In coal-derived condensates naphthalene in aromatic hydrocarbons is relative low in content, whereas diammonium is very rich.

由煤系腐殖型母质生成的凝的析油，芳烃中萘的含量相对较低，而联苯的含量非常丰富。

By way of integrating the relative theories of marketing strategy and the present market situation of rubber oil and Unite Lube Oil Company, it is concluded that naphthene type rubber oil shall take part in the middle-grade rubber oil target market competition while the aromatic type rubber oil shall take part in the low-grade rubber oil target market competition. The reason is that the former has the advantage of advanced total cost and the later has a variety of products.

论文通过运用市场营销学和市场竞争战略相关理论，结合橡胶油市场现状和优特润滑油公司实际情况，研究得出环烷型橡胶油以总成本领先战略参与中档橡胶油目标市场竞争，芳香型橡胶油以产品差别化战略参与低档橡胶油目标市场竞争的结论，并提出了优特润滑油公司保证总成本领先和产品差别化的措施。

Paraffin consists of n-alkane,short p-alkane,naphthene and aromatic, minimal amount of compounds containing elements S,N,O.

石蜡主要是由正构烷烃组成，还有较少的异构烷烃、环烷烃和芳烃，以及含微量S、N、O的化合物。

Tatsu varieties is the production and operation of 12 major categories of more than 50 varieties, mainly for rubber-filled Products oil, aromatic oil, paraffin oil, naphthene oil series Products, Product, respectively, applied to natural rubber, styrene-butadiene rubber products, butadiene rubber, EPDM ethylene-propylene rubber and the oil-filled elastomer SBS and footwear industries in the TPR pellet production, and also applies to styrene-butadiene rubber, chloroprene rubber and processing of oil-filled, annual production capacity of 15,000 tons.

现生产经营品种达12大类50多个品种，主要产品为橡胶填充油、芳烃油、石蜡油、环烷油等系列产品，产品分别适用于天然橡胶制品、丁苯橡胶制品、，顺丁橡胶制品、三元乙丙橡胶乙丙橡胶及弹性体SBS的充油和制鞋工业中的TPR粒料生产，也适用于丁苯橡胶、氯丁橡胶充油及加工，年生产能力达15000吨。

These include that the dealkylation of the aromatics with side chains, polynuclear aromatic hydrogenation under supercritical condition, cracking of naphthene and C-S C-N key.

渣油经过加氢裂化反应后，虽然其芳炭率提高了，但是它的芳香环系缩合度降低了，表明在加氢中有大量的烷基侧链断链反应发生。

Using 9 fluorenylmethylchloroformate as a pre column derivatising agent, nine aromatic amines ( o toluidine, 4 chloro o toluidine, aniline, 2,4,5 trimethylaniline, p cresidine, p chloroaniline, 4 aminodiphenyl, o anisidine, 2 naphthylamine,) are separated and a quantitative analysis method is studied by means of RP HPLC.

以氯甲酸 9 芴基甲酯为柱前衍生试剂，对 9种单环芳香胺(邻甲苯胺、4 氯邻甲苯胺、苯胺、2 ，4 ，5 三甲基苯胺、3 氨基对甲苯甲醚、对氯苯胺、4 氨基联苯、邻氨基苯甲醚、2 萘胺)进行了高效液相色谱分离和定量分析方法研究。

According to Griess reaction, diazonium-salts formed from aromatic amines such as sulfonamides etc., react with NaNO_2 in acid medium and may be coupled with α-naphthylamine or diphenylamine to produce red colored compounds.

一按Griess反应芳香族胺类的重氮化鹽，如对氨基苯磺醯胺类药物等，在酸性溶液中皆能与α-萘胺或二苯胺分别偶合成偶氮色素而显紅色，过多之亞硝酸可与氮色素再作用使紅色消失而呈棕黄色。

A series of 3-naphthyl-2--1,3-thiazolidin-4-ones were synthesized by the three-component one-pot cyclocondensation of naphthylamine, aromatic aldehyde and 2-mercaptoacetic acid using a microwave-assisted method in the presence of DMAP/DCC.

利用微波促进的多组分一锅法，在封管条件下，以萘胺、芳醛和巯基乙酸为原料，4-二甲氨基吡啶/N，N'-二环已基碳二亚胺为催化剂，合成了系列新的噻唑烷酮衍生物，该反应具有时间短、操作简便等优点。

According to the weight percent, the copolymer composition comprises: 25 percent to 99 percent of the vinyl aromatic monomer; 0 percent to 30 percent of the en-unsaturated nitrile monomer; 1 percent to 50 percent ene dicarboxylic acid derivative monomer.

这种共聚组合物按重量百分比包含：25至99％的乙烯基芳香族单体；0至30％的烯属不饱和腈类单体；1至50％的烯属二元酸衍生物单体。

Modifications of alkylation, chlorination and Vilsmeier reaction were employed for the synthesis of aromatic aldehydes bearing nitrogen mustard derivatives and halogenoalkylpiperazinyl.

通过对Vilsmeier反应、烷基化反应和氯化反应的改进提出了以简单易得的苯胺和苯基哌嗪为原料制备氮芥和哌嗪芳香醛的方法。

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。"