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                                                    | 中国近十年化学领域论文总引用次数超过一百万 |  
                                                    | 位居第四;单篇平均引用次数低 |    汤森路透科技信息集团近日推出近十年化学领域论文发表前20名国家或地区排名,统计时间段为2000年1月至2010年12月31日。其中,美国的论文发表总数、论文总引用次数和平均每篇论文引用次数分别为229,635、4,308,363和18.76,位居首位;虽然中国的论文发表总数和论文总引用次数分别为181,496和1,245,602,分列第2和第4,但平均每篇论文引用次数只有6.86,排名靠后。以下为详细排名:    
    
        
            | Rank  | Country  | Papers | Citations | Cites per paper |  
            | 1  | USA  | 229,635  | 4,308,363  | 18.76  |  
            | 2  | JAPAN  | 115,760  | 1,363,434  | 11.78  |  
            | 3  | GERMANY  | 96,984  | 1,349,496  | 13.91  |  
            | 4  | PEOPLES R CHINA  | 181,496  | 1,245,602  | 6.86  |  
            | 5  | FRANCE  | 66,244  | 852,544  | 12.87  |  
            | 6  | ENGLAND  | 55,781  | 844,654  | 15.14  |  
            | 7  | SPAIN  | 46,762  | 581,282  | 12.43  |  
            | 8  | ITALY  | 42,623  | 528,136  | 12.39  |  
            | 9  | CANADA  | 33,507  | 454,102  | 13.55  |  
            | 10  | INDIA  | 64,903  | 451,536  | 6.96  |  
            | 11  | SOUTH KOREA  | 36,557  | 360,424  | 9.86  |  
            | 12  | NETHERLANDS  | 18,817  | 346,562  | 18.42  |  
            | 13  | SWITZERLAND  | 18,663  | 328,949  | 17.63  |  
            | 14  | AUSTRALIA  | 19,131  | 237,923  | 12.44  |  
            | 15  | SWEDEN  | 14,800  | 226,028  | 15.27  |  
            | 16  | RUSSIA  | 61,590  | 219,541  | 3.56  |  
            | 17  | POLAND  | 29,453  | 207,607  | 7.05  |  
            | 18  | TAIWAN  | 20,041  | 186,746  | 9.32  |  
            | 19  | BELGIUM  | 13,246  | 166,600  | 12.58  |  
            | 20  | BRAZIL  | 20,637  | 158,281  | 7.67  |       
                                             
                                          
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