The separation and purification processes of 2, 6-dmn from coal and petroleum tar are reviewed.

综述了从煤焦油和石油中分离提纯2,6 -二甲基萘工艺。

In this paper, the methylation of 2-mn to 2, 6-dimethylnaphthalene (2, 6-dmn) over zeolite catalysts was studied.

本论文对沸石分子筛催化2 -甲基萘甲基化合成2,6 -二甲基萘(2,6 - DMN)进行了系统研究。

Using functional magnetic resonance imaging (fMRI), researchers then measured the default mode network (DMN) in the brain.

运用功能磁共振成像技术，研究者们测量了静息状态默认脑活动网络的情况。

The paper also points out, the ideal technology of petroleum naphthalene production is preparing 2, 6 DMN from diesel fra...

指出从重油接触裂解柴油馏分中制备2,6 -二甲基萘是石油萘生产的最理想的技术方向。

The body weight of rats obviously increased at 7th after DMN treatment, decreased after that, and got to minimum at 28th day.

随造模时间延长，大鼠肝重在注射DMN后第7天有明显的增加，随后逐渐减轻，到第28天达到最小。

Objective:To investigate the protective effect of saikosaponin-d(SSd)on liver fibrosis induced by dimethylnitrosamine(DMN)in rats.

目的：观察柴胡皂苷d抗实验大鼠肝纤维化的作用和可能的作用机理。

Objective To observe the protective role of Ruangan capsule in antagonizing chronic damage of rat liver caused by dimethyl nitrosamine (DMN).

目的观察软肝胶囊对二甲基亚硝胺(DMN)所致大鼠慢性肝损伤模型的保护作用。

Objective To study the role of hepatic sinusoidal endothelium injury during hepatic fibrogenesis induced by dimethylnitrosamine (DMN) in rats.

目的研究肝窦内皮细胞损伤在二甲基亚硝胺大鼠肝纤维化形成中的作用。

Selective synthesis of 2, 6-dimethylnaphthalene (2, 6-dmn), a preferred intermediate of high performance polymeric materials, has been widely studied.

二甲基萘(2,6 - DMN)是合成高性能聚酯材料的重要中间体，具有广阔的应用前景。

Conclusions the damage and phenotypic alteration of the hepatic sinusoidal endothelium may be a vital issue triggering the liver fibrosis induced by DMN.

结论D MN引起大鼠肝窦内皮细胞损伤及其表型改变可能是其诱导肝纤维化重要的始动机制之一。

The utilization and the prepartion methods of 2,6-DMN are introduced. The separation and purification processes of 2,6-DMN from coal and petroleum tar are reviewed.

本文介绍了2 ，6 -二甲基萘的用途和制备方法；综述了从煤焦油和石油中分离提纯2 ，6 -二甲基萘工艺。

The paper also points out, the ideal technology of petroleum naphthalene production is preparing 2,6 DMN from diesel fraction, a product of heavy oil contact cracking.

指出从重油接触裂解柴油馏分中制备2 ，6 -二甲基萘是石油萘生产的最理想的技术方向。

In this reaction, selective formation of 2, 6-dmn other than 2, 7-dmn and the contradiction between 2, 6-dmn selectivity and 2-mn conversion are the two main difficulties.

在2 -甲基萘选择甲基化反应中，2,6 -二甲基萘相对于2,7 -二甲基萘的选择生成以及2,6 -二甲基萘选择性与2 -甲基萘转化率之间的矛盾是需要克服的两个主要困难。