20-63 Chinese Scientific Papers Taken by Major Foreign Referencing Systems by Discipline (2008)
	(piece)
Discipline	Precedence	Piece
		Total	SCI	EI	ISTP
Total		240186	95506	85381	59299
Mathematics	6	13273	5281	6672	1320
Mechanics	8	8878	473	7875	530
Information, Systems Science	24	1429	312		1117
Physics	3	24743	13426	9045	2272
Chemistry	1	33040	23734	8156	1150
Astronomy	27	966	667	104	195
Earth Science	9	6708	3351	1619	1738
Biology	7	13034	10081	2603	350
Preventive Medicine	32	470	454	2	14
Basic Medicine	14	5468	4220	99	1149
Pharmacy	23	1790	1788		2
Clinical Medicine	11	6201	6068	7	126
Traditional Chinese Medicine	40
Special Medicine	30	525	525
Agriculture	20	2624	1707	222	695
Forestry	38	106	92		14
Livestock, Veterinary Medicine	39	105	104		1
Aquatic	36	324	318		6
Surveying & Mapping	31	476		473	3
Material Science	5	19756	7516	8917	3323
Engineering & Basic Technology Science	21	1909	411	1495	3
Mining	26	1026	28	786	212
Energy	19	3369	778	1504	1087
Metallurgy, Metallography	16	4680	1143	3141	396
Machinery, Instrument	12	6148	1472	3760	916
Power & Electrical Engineering	15	5209	25	4951	233
Nuclear Technology	33	467	198	228	41
Electronics, Communication & Automation	2	29820	3302	7469	19049
Computer	4	22251	2040	5401	14810
Chemical Engineering	18	3456	1617	1706	133
Light Industry & Textile Industry	37	197	6	53	138
Food	28	892	649	230	13
Civil Construction	10	6299	484	3865	1950
Water Conservancy	29	584	40	421	123
Transportation	25	1031	13	968	50
Aviation and Aerospace	22	1859	371	772	716
Environment	13	5922	2439	1156	2327
Security	34	390	1	274	115
Management Science	17	4388	243	1238	2907
Others	35	373	129	169	75
a) SCI refers to Science Citation Index, EI refers to Engineering Index, and ISTP refers to Index to Scientific & Technical Proceedings.