Impact Factor

  •  

    Journal Citation Report from ISI Web of Knowledge
    年度

    总被引频次
    Total Cites

    影响因子
    Impact Factor

    即年指标
    Immediacy Index

    被引半衰期
    Cited Half-life

    2021

    13631

    12.920

    8.548

    3.3

    2020

    10031

    8.271

    3.809

    3.8

    2019

    7240

    6.146

    1.914

    3.7

    2018

    5873

    4.914

    0.788

    3.6

    2017

    4608

    3.525

    0.778

    3.5

    2016

    3677

    2.813

    0.343

    3.6

    2015

    3132

    2.628

    0.370

    3.3

    2014

    2532

    1.964

    0.387

    3.4

    2013

    2073

    1.552

    0.211

    3.5

    2012

    1801

    1.304

    0.228

    3.8

    2011

    1529

    1.171

    0.183

    3.8

    2010

    1184

    0.752

    0.052

    4.3

    2009

    1180

    0.786

    0.046

    4.0

    2008

     934

    0.707

    0.105

    3.6

    2007

     700

    0.596

    0.059

    3.8

    2006

     684

    0.659

    0.077

    3.5

    2005

     638

    0.665

    0.085

    3.7

    2004

     588

    0.721

    0.185

    3.4

    2003

     396

    0.542

    0.083

    3.6



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