自然指数全球科研城市50强榜单出炉 北京居首-百家乐官网

发布时间:2021-03-20    来源:百家乐官网 nbsp;   浏览:92483次

beijingranksinfirstplaceinalistofcitiesthatproducedthemosthigh-qualityresearchin 2017, andnineotherchinesecitiesmadetheterm accordingtothenatureindex 2018 science cities, asupplementofthebritishscientificjournalnature认为,published last Thursday .在上周四发表的英国科学期刊《大自然》刊登《2018大自然指数-科研城市》显示,北京在2017年高thelistsortedoutandranked 200 citiesworldwidebytheir 2017 fractional count, ametricfortheshareofcontributionstotheauthorshipofarticlesin 82 high-qualityresearchjournals .本排名基于2017年世界200个城市的科研分数To calculate the fractional count,allauthorsareconsideredtohavecontributedequallytothearticle.themaximumcombinedfractional所有文章the 2017 fractionalcountforbeijingreached 2,143.53,topping the list .北京在2017年超过2143.53名列第一。 thetableaccompanyingthelistalsoshowsthatauthorsinbeijingproduced 4。

百家乐官网

396 articles in 82 high-qualityresearchjournalsandaccountedfor 23.5 percentofthepaperspublishedbychinaonthesejournals .此排行榜的另表也显示However,otherchinesecities-- likenanjingat 12 th place, Wuhan at 19 thandguaghouat 25th-- arerisingrapidlyinscients resultinginthedecliningshareofbeijinginchinasoutputforsixconsecutiveyy shanghaiatseventhistheotherchinesecityamongthetop 10.hong kong,Hefei,Hangzhou,tianjinandchangchunwerealsorankedbed香港,合肥,杭州_百家乐官网。

本文来源:百家乐官网-www.f360media.com