Near the zhongguancun high - tech silicon zone . situated between the west second ring road and the west third ring road , which means the traffic around the center is very convenient 南临甘家口大厦，北靠国家建设部，毗邻中关村高科技园区，位于西二环和西三环之间，交通十分便利。
Located along the east 2nd ring road , right beside the swissotel , with easy access to the sanlitun embassy area , east gate plaza is a comprehensive and modern compound designed for maximum comfort 东环广场毗邻东二环，紧邻港澳中心，是一家为客户提供高享受的现代化综合性设施。
It is conveniently located at the guanganmen commercial and government area , adjacent to the new municipal government office building and close to many government ministry offices 位于北京中心广安门政府商务区，紧靠西二环及西护城河，连接新的市政府办公大楼，与许多国家部委相邻。
The material relies on two substances : liquid dicyclopentadiene , a common ingredient of plastics , and a catalyst ( the researchers & acute ; proprietary secret ) that causes dicyclopentadiene to harden 这种材料依赖两种物质：液态二环戊二烯和一种催化剂。前者是塑料的普通成分，后者则是研究者的专利秘密，可以使二环戊烯变硬。
Jialong sunny hotel in beijing sunny hotel which is located in the flourinshing district of cbd situated in the eastern second ring of beijng closes to the wangfujing well - known at home and abroad 坐落在京东二环cbd繁华中心地段。毗邻中外驰名的王府井商业区。周边高尚会所甲级写字楼及购物中心比比皆是，古都与新貌尽收眼底。
Aihua hotel is a foreign related two star hotel , it is located near north second south ring , yuting bridge . the facility in the guest rooms are complete , near places of interest such as temple of heaven , longtanlake park 爱华宾馆是一座涉外二星级宾馆，座落在南二环北侧玉蜓桥畔，天坛东里乙48号，毗邻天坛公园和潭湖公园等名胜。
Manufacturer of organic bromine compounds in india . products include alkyl , acetyl , and allyl bromides , bromo - aromatics , and ethylene dibromide , for use as intermediates in fine chemical and pharmaceutical manufacture -提供紫外线吸收剂benzophenone系列和医药中间体：琥珀酸单乙脂酰氯罗红侧链二环乙基碳二亚胺溴乙醛缩二乙醇等的单位。
In connection with the practice of rehabilitation of maju elevated bridge on the 2nd - loop way in beijing , the application of the relevant new technics and new materials in reforming and seismic - strengthening of the existing bridges are briefly introduced 结合北京市公路二环马驹桥立交桥改建的工程实践，简要介绍有关新技术新材料在桥梁改建和抗震加固方面的应用。
An efficient esterification of ferrocenecarboxylic acid and substituted phenols has been achieved using dcc / dmap protocol in ionic liquids . the corresponding esters were produced in high yields 摘要在“绿色溶剂”室温离子液体中，采用二环己基碳二亚胺4 -二甲氨基吡啶( dcc / dmap )进行二茂铁甲酸芳香酯的合成研究，反应条件温和，简单方便，产率高，该反应具有环境友好的特点。
