国内精品国产三级国产在线专_欧美日韩在线播放一区二区_成人xxxx视频_欧美激情视频一区_色女人综合av_久久久亚洲影院_久久久久久九九_成人免费网站在线_日韩美女毛茸茸_狠狠干一区二区

���ƌW�^�족�Wվ�����������Һ͵؅^��2001��1����2011��8��31���ڜ�ɭ·͸�����ڿ��ϰl����Փ�ģ��yӋ������ǰ20�����Һ͵؅^��������60�����c�����ć��Һ͵؅^���@���g�l����Փ�Ĕ����^1�fƪ����������ָ�˞�Փ�Ĕ����������Δ��͆�ƪ���±����Δ������У��Ї���Փ�Ĕ�������2�����������е�7������ƪ���±����Δ���δ�Mǰ20��Ԕ��������ˆD�� 

Rank	Country	Papers	Citations	Cites per paper
1	USA	3,049,662	48,862,100	16.02
2	PEOPLES R CHINA	836,255	5,191,358	6.21
3	GERMANY	784,316	10,518,133	13.41
4	JAPAN	771,548	8,084,145	10.48
5	ENGLAND	697,763	10,508,202	15.06
6	FRANCE	557,322	7,007,693	12.57
7	CANADA	451,588	6,019,195	13.33
8	ITALY	429,301	5,151,675	12.00
9	SPAIN	339,164	3,588,655	10.58
10	AUSTRALIA	304,160	3,681,695	12.10
11	INDIA	293,049	1,727,973	5.90
12	SOUTH KOREA	282,328	2,024,609	7.17
13	RUSSIA	265,721	1,282,281	4.83
14	NETHERLANDS	252,242	3,974,719	15.76
15	BRAZIL	212,243	1,360,097	6.41
16	SWITZERLAND	181,636	3,070,458	16.9
17	SWEDEN	179,126	2,686,304	15.00
18	TAIWAN	177,929	1,273,682	7.16
19	TURKEY	155,276	819,071	5.27
20	POLAND	154,016	1,036,062	6.73

 

Rank	Country	Papers	Citations	Cites per paper
1	USA	3,049,662	48,862,100	16.02
2	GERMANY	784,316	10,518,133	13.41
3	ENGLAND	697,763	10,508,202	15.06
4	JAPAN	771,548	8,084,145	10.48
5	FRANCE	557,322	7,007,693	12.57
6	CANADA	451,588	6,019,195	13.33
7	PEOPLES R CHINA	836,255	5,191,358	6.21
8	ITALY	429,301	5,151,675	12.00
9	NETHERLANDS	252,242	3,974,719	15.76
10	AUSTRALIA	304,160	3,681,695	12.10
11	SPAIN	339,164	3,588,655	10.58
12	SWITZERLAND	181,636	3,070,458	16.90
13	SWEDEN	179,126	2,686,304	15.00
14	SOUTH KOREA	282,328	2,024,609	7.17
15	BELGIUM	137,878	1,918,993	13.92
16	INDIA	293,049	1,727,973	5.90
17	SCOTLAND	109,135	1,709,814	15.67
18	DENMARK	98,083	1,574,167	16.05
19	ISRAEL	110,558	1,426,421	12.90
20	BRAZIL	212,243	1,360,097	6.41