Environmental Chemistry

51.4K(top 1%)

papers

2.1M(top 1%)

citations

477(top 1%)

h-index

728(top 1%)

g-index

558.4K

all documents

15.5K

doc citations

Top Schools (by citations)

#	School	Articles	Citations	R ARank	R CRank
1	Chemistry	293	30,478	74	39
2	Biomedical Engineering	56	18,883	28	10
3	Ecology	353	18,146	6	7
4	Materials Science	85	16,336	27	20
5	Materials Science	73	15,321	37	20
6	Mechanical Engineering	60	15,089	44	17
7	Renewable Energy	109	15,060	38	18
8	Materials Science	55	14,985	37	17
9	Materials Science	59	14,780	28	19
10	Photonics	30	13,090	6	4
11	Photonics	29	13,089	4	2
12	Chemistry	57	12,740	63	22
13	Catalysis	61	12,656	19	10
13	Catalysis	61	12,656	20	11
15	Chemical Engineering	42	12,616	40	5
16	Chemical Engineering	44	12,251	35	17
17	Chemistry	51	11,983	47	22
18	Botany	243	11,668	94	81
19	Materials Science	52	11,486	40	21
20	Materials Science	43	11,050	27	16
21	Chemistry	47	10,714	45	14
22	Materials Science	44	10,258	68	30
23	Materials Science	69	10,236	42	24
24	Chemistry	70	10,118	31	21
25	Energy Engineering	34	9,712	18	6
26	Chemical Engineering	41	9,617	58	31
27	Chemical Engineering	43	9,546	65	16
28	Mechanical Engineering	27	9,352	38	15
29	Functional Materials	14	9,229	5	3
30	Chemical Engineering	71	9,144	29	26
31	Condensed Matter Physics	31	9,132	43	21
32	Functional Materials	13	9,021	3	2
33	Chemistry	18	8,331	48	7
34	Environmental Policy	20	8,319	17	2
34	Environmental Policy	20	8,319	16	2
36	Ceramics	54	8,040	40	19
37	Chemical Engineering	32	8,013	29	8
38	Chemistry	39	7,949	61	22
39	Chemistry	49	7,940	51	33
40	Systems Engineering	19	7,848	8	2
41	Energy Materials	21	7,669	26	9
42	Chemical Engineering	30	7,631	44	13
43	Chemistry	18	7,542	70	26
44	Catalysis	34	7,533	29	12
45	Chemical Engineering	54	7,426	24	14
46	Nanotechnology	21	7,412	41	8
47	Biotechnology	208	7,297	121	116
48	Environmental Engineering	48	7,252	3	3
49	Chemistry	46	7,240	64	31
50	Materials Science	36	7,224	28	19
51	Chemistry	36	7,140	68	32
52	Education	29	7,139	78	16
53	Materials Science	42	7,016	48	18
54	Toxicology	92	6,855	6	6
55	Environmental Toxicology	90	6,825	6	6
56	Chemistry	50	6,788	70	30
57	Applied Physics	14	6,636	39	22
58	Chemistry	50	6,543	52	32
59	Chemistry	29	6,522	80	27
60	Renewable Energy	22	6,498	27	7
61	Chemistry	38	6,351	52	24
62	Chemistry	25	6,350	32	8
63	Photonics	19	6,327	16	11
64	Materials Science	32	6,311	53	23
65	Materials Science	16	6,276	45	24
66	Materials Science	34	6,204	30	12
67	Materials Science	19	6,102	37	6
68	Chemistry	113	6,027	39	37
69	Process Engineering	38	6,002	47	18
70	Chemistry	86	5,953	27	22
71	Geochemistry	158	5,854	20	26
72	Nanotechnology	17	5,824	42	9
73	Chemical Engineering	23	5,746	43	13
74	Toxicology	140	5,620	9	10
75	Biology	94	5,582	22	26
76	Chemistry	37	5,547	40	16
77	Chemistry	30	5,512	51	19
78	Earth Science	11	5,490	58	9
79	Electrical Engineering	17	5,481	87	40
80	Environmental Engineering	48	5,451	22	19
81	Composites	32	5,432	33	15
82	Energy Storage	25	5,413	11	5
83	Materials Science	27	5,395	48	30
84	Chemistry	52	5,373	50	27
85	Chemistry	30	5,368	42	19
86	Materials Engineering	12	5,294	35	8
87	Electronic Materials	32	5,271	29	15
88	Materials Science	21	5,260	42	26
89	Biomedical Sciences	190	5,239	233	273
90	Materials Science	25	5,210	28	22
91	Ecology	101	5,197	36	46
91	Hydrology	101	5,197	36	46
93	Chemical Engineering	24	5,182	54	16
94	Materials Science	35	5,180	38	22
95	Chemistry	41	5,165	35	13
96	Education	30	5,137	28	16
97	Chemistry	53	5,135	15	7
97	Chemical Engineering	53	5,135	9	7
99	Chemistry	29	5,083	33	18
100	Chemical Engineering	28	5,070	44	14
101	Environmental Biology	80	5,055	7	4
102	Computer Science	14	4,995	107	52
103	Materials Science	44	4,981	37	23
104	Materials Science	36	4,963	42	23
105	Education	38	4,957	178	48
106	Physical Chemistry	43	4,930	35	24
107	Chemical Engineering	8	4,915	33	2
108	Chemistry	32	4,880	40	18
109	Catalysis	16	4,844	25	7
110	Materials Science	25	4,811	41	17
111	Mechanical Engineering	15	4,806	77	19
112	Chemistry	21	4,791	42	20
113	Chemistry	25	4,790	42	11
114	Ecology	113	4,781	13	22
115	Biology	16	4,779	6	5
116	Environmental Science	97	4,751	11	18
117	Materials Science	18	4,750	45	23
118	Materials Science	48	4,726	43	18
119	Environmental Engineering	22	4,708	17	9
120	Chemistry	36	4,646	32	22
121	Chemistry	50	4,631	33	18
122	Applied Physics	25	4,627	54	26
122	Applied Physics	25	4,627	55	27
124	Chemistry	29	4,614	85	45
125	Ecology	72	4,604	28	31
126	Biochemistry	15	4,588	6	5
127	Quality Management	67	4,585	9	18
128	Catalysis	17	4,581	12	10
129	Chemistry	22	4,538	60	23
130	Materials Science	24	4,534	43	22
131	Materials Science	1	4,440	7	3
132	Bioenergy	27	4,422	47	15
133	Biology	99	4,391	13	23
134	Environmental Toxicology	86	4,379	6	9
135	Materials Science	25	4,375	10	10
136	Chemistry	18	4,367	76	23
137	Energy Conversion	28	4,324	27	17
138	Materials Science	11	4,314	44	18
139	Biology	149	4,313	79	101
140	Chemical Engineering	26	4,302	39	16
141	Chemistry	103	4,288	7	7
142	Ecology	105	4,277	19	27
143	Chemistry	41	4,256	66	33
144	Public Health	116	4,252	36	46
145	Toxicology	99	4,198	9	11
146	Microbiology	12	4,197	49	25
147	Mechanical Engineering	15	4,193	69	26
148	Chemistry	13	4,182	69	19
149	Materials Science	21	4,154	48	27
150	Chemical Engineering	20	4,144	53	25
151	Materials Engineering	14	4,135	61	15
152	Materials Science	21	4,129	44	28
153	Complex Systems	12	4,099	72	12
154	Chemistry	35	4,098	60	34
155	Materials Science	25	4,072	37	16
156	Functional Materials	29	4,062	31	24
157	Surface Chemistry	12	4,058	25	8
158	Chemistry	29	4,038	69	42
159	Nanotechnology	9	4,034	81	23
160	Chemistry	33	3,973	51	25
160	Materials Science	30	3,973	21	15
162	Materials Science	35	3,967	48	28
163	Chemical Engineering	29	3,944	49	22
164	Chemistry	23	3,942	3	4
165	Education	18	3,930	34	10
166	Chemical Engineering	43	3,904	48	29
167	Chemical Engineering	22	3,894	3	4
168	Toxicology	94	3,888	6	7
169	Chemical Engineering	21	3,877	48	19
170	Environmental Toxicology	92	3,874	6	7
171	Materials Science	32	3,866	47	25
172	Chemical Engineering	24	3,855	24	7
173	Chemistry	20	3,845	84	50
174	Chemistry	22	3,762	64	19
175	Chemical Engineering	21	3,757	62	19
176	Optoelectronics	31	3,709	45	17
177	Chemical Engineering	14	3,704	43	14
178	Green Chemistry	35	3,682	72	39
179	Nanomaterials	13	3,672	30	15
180	Systems Engineering	13	3,668	2	2
181	Chemical Engineering	13	3,660	52	11
181	Materials Science	11	3,660	61	32
183	Energy Physics	31	3,659	55	31
184	Nanotechnology	15	3,657	60	31
184	Bioengineering	15	3,657	59	31
186	Chemistry	22	3,653	61	16
187	Energy Materials	25	3,639	38	19
188	Chemistry	23	3,623	90	64
189	Catalysis	18	3,598	29	15
190	Materials Science	18	3,585	44	14
191	Sustainable Energy	7	3,534	28	6
192	Applied Physics	26	3,506	38	18
193	Ceramics	21	3,501	39	19
194	Sustainable Energy	7	3,498	24	7
195	Environmental Engineering	64	3,496	5	6
196	Biology	77	3,495	11	16
197	Geography	32	3,490	41	26
198	Chemistry	57	3,486	31	26
199	Energy Engineering	30	3,455	21	15
200	Environmental Science	24	3,451	29	19
200	Nanotechnology	5	3,451	57	10
202	Mechanical Engineering	5	3,450	102	17
203	Chemistry	55	3,424	71	46
204	Polymer Science	3	3,421	31	5
205	Bioengineering	14	3,407	59	30
205	Nanotechnology	14	3,407	59	30
207	Nanoengineering	27	3,390	30	30
208	Nanomaterials	9	3,371	29	12
209	Chemistry	12	3,367	56	24
210	Chemical Engineering	6	3,363	37	6
211	Biochemistry	11	3,358	56	24
212	Materials Science	21	3,354	36	14
213	Chemical Engineering	23	3,346	26	16
214	Chemical Engineering	9	3,326	39	4
215	Chemical Ecology	76	3,308	14	20
215	Ecology	76	3,308	14	20
217	Chemical Engineering	21	3,297	59	29
217	Metallurgy	17	3,297	56	25
219	Education	44	3,296	58	47
220	Chemical Engineering	25	3,283	53	36
221	Education	18	3,275	46	13
222	Thermodynamics	6	3,258	13	2
223	Toxicology	44	3,256	6	6
224	Chemistry	25	3,255	54	18
225	Materials Science	24	3,243	27	12
226	Materials Science	8	3,235	33	6
227	Environmental Science	96	3,216	7	12
228	Chemical Engineering	62	3,208	5	5
229	Optoelectronics	24	3,205	68	30
230	Applied Physics	12	3,199	54	26
231	Chemistry	13	3,193	41	9
232	Electronics	22	3,180	64	38
233	Chemical Engineering	24	3,178	53	27
234	Chemistry	23	3,173	54	28
235	Nanotechnology	9	3,144	37	9
236	Chemistry	24	3,143	65	49
237	Nanomaterials	44	3,127	1	1
238	Chemistry	17	3,124	54	19
239	Applied Physics	24	3,099	28	22
240	Education	24	3,094	118	35
241	Materials Science	24	3,089	39	16
242	Materials Science	19	3,067	46	20
243	Energy Conversion	27	3,055	19	9
244	Chemical Engineering	11	3,035	79	32
244	Materials Science	32	3,035	38	23
246	Energy Storage	15	3,024	8	5
247	Chemical Engineering	23	3,020	42	18
248	Materials Science	22	3,014	33	20
249	Zoology	68	3,010	4	6
250	Energy Conversion	18	3,004	31	21
251	Organic Chemistry	24	2,980	12	5
252	Chemistry	2	2,973	59	1
253	Ecology	83	2,959	99	102
254	Computer Engineering	9	2,934	124	42
255	Toxicology	131	2,907	10	11
256	Chemistry	19	2,899	62	30
257	Energy Policy	2	2,894	5	1
257	Energy Policy	2	2,894	4	1
259	Analytical Chemistry	50	2,885	14	14
260	Chemistry	17	2,845	92	55
261	Education	6	2,835	125	9
262	Electronics	18	2,832	22	13
263	Electrical Engineering	4	2,815	176	54
264	Materials Science	8	2,813	61	30
264	Nanomaterials	13	2,813	39	27
266	Toxicology	69	2,786	12	15
266	Environmental Engineering	9	2,786	26	2
268	Energy Materials	12	2,781	15	6
269	Materials Science	18	2,776	54	28
270	Chemistry	23	2,765	37	25
271	Materials Science	19	2,763	46	35
272	Environmental Engineering	22	2,755	11	6
273	Chemistry	27	2,739	50	26
274	Energy Materials	14	2,735	24	16
275	Chemical Engineering	18	2,734	39	19
276	Sustainable Energy	5	2,727	10	4
276	Sustainable Energy	5	2,727	12	6
278	Chemical Engineering	25	2,723	46	19
279	Biology	60	2,720	28	31
280	Zoology	70	2,712	11	17
281	Environmental Toxicology	82	2,711	9	16
282	Public Policy	5	2,708	86	13
283	Biochemistry	14	2,685	57	26
284	Energy Materials	11	2,677	30	14
285	Chemical Engineering	9	2,674	37	13
286	Biotechnology	24	2,670	46	23
287	Toxicology	62	2,659	7	10
287	Catalysis	12	2,659	10	6
289	Materials Science	28	2,658	28	17
290	Nanotechnology	5	2,647	22	8
291	Education	24	2,628	111	48
292	Ecology	96	2,623	12	32
293	Food Safety	56	2,618	6	13
294	Chemical Engineering	18	2,615	58	25
295	Chemistry	24	2,614	73	32
296	Energy Storage	24	2,600	5	4
297	Toxicology	27	2,594	12	6
298	Education	25	2,593	60	28
299	Biology	5	2,577	16	1
300	Chemistry	14	2,572	69	27
301	Chemistry	6	2,565	66	13
302	Chemistry	15	2,564	28	5
303	Bioenergy	16	2,555	19	15
304	Chemistry	12	2,549	73	31
305	Dynamics	29	2,544	12	12
306	Biology	66	2,538	19	24
307	Chemistry	13	2,534	18	6
308	Chemistry	24	2,532	64	47
309	Materials Science	12	2,529	61	16
310	Biology	35	2,524	43	39
311	Computer Engineering	11	2,520	65	21
312	Chemical Engineering	13	2,518	31	9
313	Environmental Engineering	20	2,491	27	24
314	Chemistry	84	2,486	22	33
315	Environmental Science	50	2,482	7	5
316	Chemistry	65	2,480	18	29
317	Environmental Science	2	2,474	40	4
318	Ecology	50	2,471	9	22
319	Chemistry	51	2,469	26	30
320	Reaction Engineering	15	2,467	18	15
321	Materials Science	16	2,466	18	18
322	Materials Physics	6	2,464	34	14
323	Bioenergy	11	2,462	43	23
324	Chemistry	11	2,461	29	12
325	Materials Science	16	2,449	41	20
326	Physiology	58	2,438	15	12
326	Ecology	58	2,438	15	12
328	Metallurgy	21	2,433	64	29
329	Environmental Health	42	2,432	7	7
329	Chemical Engineering	5	2,432	80	19
331	Ecology	51	2,431	6	12
332	Chemical Engineering	13	2,425	44	18
333	Environmental Chemistry	31	2,419	30	16
334	Chemistry	22	2,383	39	16
335	Nanomaterials	4	2,379	27	13
336	Energy Materials	2	2,377	19	3
337	Chemistry	30	2,373	41	22
338	Chemistry	8	2,372	36	10
339	Biology	55	2,370	44	55
339	Materials Engineering	5	2,370	33	2
341	Chemistry	36	2,362	126	77
342	Condensed Matter Physics	8	2,346	33	19
343	Chemical Engineering	18	2,342	71	28
344	Chemistry	16	2,331	52	21
345	Chemistry	12	2,326	21	15
346	Education	24	2,317	78	41
347	Chemistry	4	2,316	72	10
348	Chemical Engineering	19	2,308	55	16
349	Chemical Engineering	26	2,298	41	28
350	Statistics	85	2,294	205	236
351	Occupational Health	14	2,290	35	13
352	Energy Storage	10	2,288	22	11
353	Education	14	2,286	85	24
354	Materials Processing	10	2,285	39	11
355	Chemistry	4	2,276	72	20
356	Polymers	8	2,274	53	29
357	Biology	71	2,273	20	32
358	Physical Chemistry	5	2,271	30	14
359	Materials Science	4	2,265	8	5
360	Chemistry	10	2,250	70	30
361	Materials Engineering	10	2,238	23	6
362	Environmental Engineering	14	2,231	23	11
363	Environmental Engineering	25	2,226	35	32
364	Materials Chemistry	14	2,213	40	26
365	Chemistry	9	2,208	75	22
366	Zoology	86	2,202	5	10
367	Ecology	50	2,200	5	6
367	Ecology	50	2,200	4	6
367	Environmental Engineering	2	2,200	28	8
370	Optics	1	2,191	116	24
371	Chemistry	6	2,185	11	4
372	Materials Science	12	2,183	45	19
373	Oceanography	28	2,182	25	20
374	Materials Science	10	2,164	54	15
375	Biology	57	2,154	34	41
376	Public Health	32	2,153	46	28
377	Biology	36	2,145	72	84
378	Chemical Engineering	16	2,144	40	15
379	Biology	52	2,137	84	116
379	Catalysis	13	2,137	16	14
381	Energy Materials	13	2,136	40	25
381	Materials Chemistry	13	2,136	40	25
383	Chemistry	10	2,122	75	25
384	Chemical Engineering	12	2,120	83	34
385	Toxicology	32	2,103	45	45
385	Toxicology	73	2,103	11	16
387	Materials Science	10	2,101	47	20
388	Renewable Energy	8	2,093	17	13
389	Chemistry	15	2,091	62	24
390	Biochemistry	19	2,081	63	44
391	Chemistry	11	2,079	83	42
392	Food Chemistry	10	2,075	40	13
393	Materials Science	12	2,074	60	23
393	Electronics	9	2,074	39	19
393	Chemical Ecology	46	2,074	3	4
393	Chemical Ecology	46	2,074	3	4
397	Solar Energy	8	2,070	14	12
398	Chemistry	17	2,062	65	40
399	Chemistry	21	2,061	64	40
400	Functional Materials	13	2,056	59	26
401	Environmental Science	44	2,048	12	15
402	Materials Science	13	2,042	51	26
403	Chemistry	9	2,041	192	108
404	Civil Engineering	8	2,035	9	3
405	Zoology	36	2,002	13	14
406	Botany	34	1,999	5	6
407	Biology	46	1,993	10	19
408	Chemistry	17	1,992	100	41
409	Energy Engineering	5	1,991	61	11
410	Mechanical Engineering	7	1,974	60	7
411	Chemical Engineering	16	1,973	48	38
412	Nanotechnology	2	1,967	52	8
413	Bioenergy	9	1,959	39	19
414	Biology	47	1,955	58	69
415	Environmental Science	11	1,954	43	19
416	Chemistry	9	1,953	75	54
417	Materials Science	11	1,938	43	20
417	Materials Science	13	1,938	36	14
419	Biochemistry	16	1,937	51	36
420	Toxicology	6	1,930	20	7
421	Pharmacology	5	1,928	41	8
422	Materials Science	7	1,924	67	28
423	Biology	46	1,921	19	25
423	Chemistry	8	1,921	98	31
425	Chemistry	5	1,917	85	18
425	Chemical Engineering	5	1,917	83	17
427	Catalysis	8	1,916	16	14
428	Education	21	1,914	128	44
429	Public Health	52	1,912	384	322
429	Materials Science	22	1,912	37	27
431	Chemistry	12	1,895	96	48
432	Chemistry	4	1,892	133	46
432	Biochemistry	4	1,892	109	34
432	Environmental Health	49	1,892	7	9
435	Civil Engineering	23	1,880	1	1
436	Public Health	53	1,878	34	25
436	Toxicology	62	1,878	6	10
438	Polymer Science	16	1,877	43	29
439	Chemistry	12	1,875	58	16
440	Solar Energy	9	1,874	46	16
441	Aerospace Engineering	7	1,873	55	8
442	Toxicology	37	1,870	11	15
443	Solar Energy	8	1,864	20	4
444	Chemistry	28	1,856	16	21
445	Environmental Toxicology	61	1,854	6	10
446	Ecology	56	1,852	36	50
447	Materials Science	8	1,839	56	22
447	Mechanical Engineering	8	1,839	68	23
449	Energy Materials	18	1,837	29	22
450	Environmental Health	24	1,826	14	13
451	Ecology	60	1,823	19	29
452	Chemistry	11	1,821	54	17
453	Biology	44	1,819	24	27
454	Chemistry	43	1,809	51	39
454	Composites	4	1,809	8	2
456	Film	4	1,801	32	7
457	Catalysis	3	1,798	12	4
457	Catalysis	3	1,798	4	3
459	Chemistry	20	1,797	34	25
460	Biochemistry	38	1,795	11	14
460	Chemistry	22	1,795	69	10
460	Chemistry	13	1,795	80	40
463	Chemistry	12	1,791	71	41
464	Chemical Engineering	13	1,783	78	28
465	Nanotechnology	9	1,782	58	26
466	Chemistry	26	1,781	85	54
467	Environmental Science	42	1,780	43	32
468	Chemistry	13	1,761	108	68
469	Materials Engineering	13	1,758	31	21
470	Chemistry	12	1,754	64	26
471	Chemical Engineering	10	1,753	48	30
471	Biology	25	1,753	12	8
473	Green Chemistry	6	1,751	19	7
473	Green Chemistry	6	1,751	19	7
475	Chemistry	25	1,740	73	63
476	Nuclear Engineering	2	1,737	76	16
477	Chemistry	25	1,734	14	5
478	Biology	31	1,729	27	35
479	Chemistry	14	1,728	20	6
480	Environmental Chemistry	56	1,726	20	27
481	Mathematics	6	1,722	87	34
481	Materials Science	6	1,722	76	19
483	Biochemistry	13	1,718	18	7
483	Environmental Health	23	1,718	139	117
485	Education	23	1,714	129	67
486	Materials Science	17	1,712	40	20
487	Chemistry	13	1,709	64	23
488	Biology	24	1,707	82	72
489	Materials Science	14	1,705	42	37
490	Chemical Engineering	9	1,703	65	39
491	Chemistry	13	1,702	39	21
492	Nanotechnology	3	1,696	61	13
493	Physical Chemistry	3	1,695	64	19
494	Environmental Health	13	1,684	14	9
495	Education	8	1,680	60	12
496	Ecotoxicology	43	1,679	6	6
497	Environmental Engineering	29	1,678	37	41
498	Energy Storage	12	1,671	15	8
499	Environmental Health	32	1,658	102	118
500	Biology	38	1,653	48	43
500	Environmental Chemistry	60	1,653	21	32
502	Chemistry	36	1,652	9	7
503	Biology	53	1,646	13	26
504	Environmental Engineering	22	1,641	33	30
505	Chemistry	4	1,640	10	2
506	Functional Materials	2	1,636	21	5
507	Biology	20	1,628	132	100
508	Chemistry	39	1,624	45	51
509	Biology	30	1,622	32	39
510	Education	8	1,618	92	26
511	Zoology	41	1,617	15	19
512	Chemistry	34	1,616	68	52
512	Information Technology	11	1,616	89	29
514	Mechanical Engineering	2	1,615	160	13
515	Nanotechnology	7	1,612	13	13
516	Environmental Science	43	1,608	27	35
517	Ecotoxicology	52	1,607	21	28
518	Chemistry	37	1,606	22	24
519	Materials Science	3	1,605	46	5
519	Materials Science	3	1,605	22	3
521	Chemical Engineering	10	1,602	22	6
522	Biology	38	1,601	118	157
522	Biotechnology	12	1,601	56	26
524	Chemistry	21	1,599	46	33
525	Education	48	1,593	51	52
525	Astronomy	6	1,593	44	21
527	Energy Conversion	6	1,592	15	9
528	Chemical Engineering	8	1,591	17	14
528	Microbiology	34	1,591	73	71
528	Environmental Microbiology	34	1,591	72	67
531	Biology	40	1,590	56	81
531	Chemistry	8	1,590	68	36
533	Physiology	40	1,586	15	19
534	Chemistry	23	1,584	49	36
535	Ecology	47	1,583	17	26
536	Nanotechnology	9	1,579	114	46
537	Mechanical Engineering	4	1,578	93	34
538	Mechanical Engineering	12	1,577	58	23
539	Materials Science	7	1,575	47	24
540	Nanotechnology	12	1,568	42	25
541	Chemistry	10	1,563	82	44
542	Chemistry	9	1,560	54	13
543	Chemistry	39	1,559	28	32
544	Functional Materials	8	1,552	41	14
545	Organic Chemistry	29	1,551	6	5
545	Energy Storage	14	1,551	6	6
547	Chemistry	26	1,547	26	13
548	Materials Science	11	1,546	51	23
549	Education	10	1,545	173	70
550	Mechanical Engineering	15	1,542	112	56
551	Chemistry	4	1,541	47	15
552	Education	9	1,538	44	11
553	Materials Science	8	1,537	54	37
554	Functional Materials	8	1,534	38	13
555	Biology	49	1,526	10	10
556	Chemistry	28	1,525	58	49
557	Civil Engineering	5	1,524	119	9
557	Architecture	5	1,524	119	9
559	Environmental Engineering	14	1,522	32	17
559	Chemistry	22	1,522	64	43
561	Geochemistry	22	1,521	10	19
562	Functional Materials	2	1,520	24	10
563	Risk Management	59	1,518	15	26
563	Education	4	1,518	21	2
565	Chemical Engineering	4	1,514	62	9
566	Toxicology	32	1,512	7	8
567	Chemistry	18	1,510	75	33
568	Polymers	10	1,508	29	27
569	Chemical Engineering	2	1,506	57	16
569	Chemical Engineering	8	1,506	46	20
571	Research and Education	45	1,505	43	45
572	Mechanical Engineering	1	1,500	18	1
572	Chemistry	1	1,500	102	14
572	Biotechnology	1	1,500	50	12
575	Education	6	1,494	145	34
575	Science Education	6	1,494	145	34
577	Materials Science	8	1,491	60	28
577	Chemical Engineering	8	1,491	64	28
579	Astronomy	6	1,487	56	30
579	Chemistry	29	1,487	54	51
581	Environmental Engineering	21	1,480	35	32
581	Chemistry	36	1,480	9	16
583	Chemistry	12	1,479	78	46
583	Energy Engineering	1	1,479	47	2
583	Chemistry	1	1,479	2	1
583	Chemical Engineering	1	1,479	1	1
583	Research and Education	1	1,479	21	2
588	Chemical Engineering	12	1,475	6	2
589	Chemistry	9	1,462	36	15
590	Polymer Chemistry	8	1,451	27	19
590	Ecology	37	1,451	39	49
592	Nanotechnology	14	1,447	39	27
593	Environmental Engineering	21	1,443	42	31
594	Chemistry	17	1,441	77	69
595	Systems Design	7	1,439	5	4
596	Environmental Engineering	32	1,432	30	32
597	Chemistry	32	1,429	84	62
597	Materials Science	15	1,429	57	37
599	Zoology	24	1,427	24	32
599	Materials Science	21	1,427	39	32
601	Ecology	15	1,426	59	38
601	Evolutionary Biology	15	1,426	58	36
603	Biology	17	1,422	291	245
604	Ecotoxicology	27	1,415	7	7
605	Chemical Engineering	4	1,414	36	12
606	Chemical Engineering	26	1,410	42	29
607	Ecology	47	1,408	11	28
608	Environmental Engineering	30	1,405	16	16
608	Composites	7	1,405	58	32
610	Chemistry	8	1,398	68	32
610	Energy Storage	14	1,398	25	17
612	Chemistry	26	1,395	76	41
613	Chemistry	24	1,393	43	44
614	Materials Science	5	1,389	46	19
615	Chemical Engineering	8	1,388	64	19
616	Nanotechnology	7	1,387	71	26
617	Chemical Engineering	16	1,386	58	39
617	Chemistry	23	1,386	62	57
619	Ecophysiology	32	1,385	9	10
620	Chemistry	13	1,383	73	42
621	Computer Engineering	1	1,378	59	5
622	Chemistry	18	1,373	36	17
622	Ecotoxicology	45	1,373	25	33
624	Toxicology	43	1,372	5	10
624	Environmental Toxicology	43	1,372	5	9
624	Ecological Engineering	6	1,372	43	10
627	Toxicology	34	1,369	9	18
628	Environmental Science	27	1,367	15	16
629	Neurobiology	41	1,364	23	31
630	Chemistry	41	1,363	24	34
631	Chemistry	14	1,358	132	72
631	Power Systems	3	1,358	11	7
633	Civil Engineering	107	1,357	1	1
634	Catalysis	4	1,356	52	13
635	Chemistry	9	1,354	42	15
636	Mechanical Engineering	9	1,352	44	20
637	Biomedical Sciences	40	1,350	5	7
638	Energy Storage	17	1,348	20	14
639	Chemical Engineering	5	1,347	56	20
640	Materials Science	10	1,339	41	20
640	Environmental Science	10	1,339	1	1
642	Chemistry	3	1,338	38	4
643	Computer Engineering	9	1,333	101	69
644	Polymer Science	7	1,332	43	13
645	Education	14	1,331	54	24
646	Botany	11	1,330	32	31
647	Materials Science	7	1,322	27	22
648	Inorganic Chemistry	1	1,319	17	2
648	Catalysis	1	1,319	59	6
648	Mineralogy	1	1,319	7	2
651	Public Health	27	1,318	23	18
652	Research and Education	13	1,317	13	9
653	Chemistry	15	1,314	130	98
654	Chemistry	15	1,311	60	43
655	Ecology	25	1,309	16	24
655	Chemical Ecology	25	1,309	7	15
657	Electrical Engineering	9	1,308	65	45
657	Biology	24	1,308	130	129
657	Chemical Engineering	11	1,308	45	29
660	Chemistry	19	1,296	75	68
661	Biology	11	1,295	88	47
661	Astronomy	3	1,295	36	11
663	Biology	30	1,289	38	56
664	Ecotoxicology	12	1,288	8	6
665	Industrial Engineering	7	1,285	127	45
665	Public Health	8	1,285	36	14
665	Chemistry	11	1,285	73	41
668	Chemistry	47	1,283	61	91
668	Renewable Energy	10	1,283	28	19
668	Energy Engineering	10	1,283	27	19
671	Biology	42	1,282	6	11
672	Physiology	31	1,279	35	41
672	Aerospace Engineering	12	1,279	51	39
674	Chemical Engineering	19	1,272	79	54
674	Chemistry	25	1,272	59	60
676	Environmental Engineering	19	1,266	42	36
677	Tribology	8	1,263	69	23
678	Ecotoxicology	22	1,262	10	12
679	Biology	26	1,261	125	140
680	Chemistry	8	1,257	62	22
681	Biotechnology	8	1,256	28	12
682	Ecology	10	1,255	19	9
683	Energy Materials	6	1,254	14	8
684	Biology	13	1,251	91	48
685	Materials Science	1	1,250	63	14
685	Occupational Health	24	1,250	10	10
687	Chemistry	2	1,243	93	26
688	Materials Science	10	1,242	47	26
688	Materials Science	3	1,242	46	10
690	Organic Chemistry	37	1,241	6	6
691	Chemical Engineering	9	1,239	61	33
692	Marine Biology	12	1,237	39	24
693	Chemistry	11	1,230	60	21
693	Chemistry	2	1,230	63	15
693	Renewable Energy	8	1,230	25	14
696	Materials Science	9	1,229	40	22
697	Chemistry	33	1,223	14	11
698	Chemistry	12	1,221	80	42
698	Solar Energy	3	1,221	18	3
700	Biochemistry	22	1,220	15	21
701	Chemical Engineering	12	1,219	60	41
701	Education	19	1,219	109	60
703	Renewable Energy	14	1,218	24	15
703	Catalysis	2	1,218	7	3
705	Dynamics	42	1,215	34	61
706	Renewable Energy	8	1,212	24	12
707	Chemistry	10	1,209	29	26
707	Nuclear Engineering	3	1,209	41	4
709	Astronomy	5	1,205	56	24
710	Dynamics	40	1,197	32	60
711	Chemistry	21	1,196	91	74
712	Chemistry	18	1,195	36	25
713	Chemistry	5	1,193	72	23
714	Materials Science	8	1,190	19	9
715	Chemistry	10	1,188	78	44
716	Electronics	2	1,186	98	21
717	Materials Engineering	2	1,185	37	4
718	Chemical Engineering	40	1,180	37	53
719	Statistics	44	1,179	5	4
720	Horticulture	15	1,176	38	30
720	Materials Science	5	1,176	62	35
720	Chemical Engineering	5	1,176	72	20
723	Inorganic Chemistry	9	1,175	47	22
724	Microbiology	23	1,174	89	68
725	Materials Science	6	1,172	58	37
725	Mechanical Engineering	5	1,172	97	28
725	Biology	23	1,172	267	209
725	Chemistry	5	1,172	65	26
725	Anatomy	29	1,172	25	32
730	Functional Materials	11	1,171	50	23
731	Ecology	26	1,170	8	21
732	Chemical Engineering	17	1,169	56	58
732	Chemical Engineering	9	1,169	41	16
732	Solar Energy	1	1,169	4	1
735	Astronomy	1	1,166	112	29
735	Astronomy	1	1,166	13	1
737	Chemistry	6	1,163	12	1
738	Chemical Engineering	2	1,159	19	2
739	Process Engineering	3	1,158	49	5
740	Aerospace Engineering	8	1,157	84	34
741	Materials Science	10	1,156	55	41
742	Biology	7	1,155	45	16
742	Chemistry	25	1,155	24	6
744	Materials Science	1	1,152	32	3
744	Materials Science	1	1,152	39	4
746	Nanomaterials	20	1,150	48	43
747	Photonics	12	1,149	20	21
748	Chemistry	63	1,146	42	37
748	Nanotechnology	2	1,146	73	22
748	Materials Engineering	2	1,146	15	3
751	Chemical Engineering	6	1,145	76	28
751	Energy Materials	5	1,145	24	10
753	Applied Physics	3	1,139	10	3
754	Solid State Physics	5	1,135	12	4
755	Biology	4	1,134	5	4
756	Energy Materials	6	1,133	23	16
757	Materials Science	6	1,132	59	27
758	Dynamics	17	1,131	14	17
759	Ecology	18	1,129	53	50
760	Chemistry	8	1,125	100	37
760	Chemical Ecology	32	1,125	5	7
760	Marine Biology	3	1,125	6	4
763	Ecology	19	1,124	39	37
763	Public Health	22	1,124	6	5
765	Physiology	8	1,113	177	84
765	Toxicology	29	1,113	12	28
767	Photonics	7	1,110	56	27
768	Metallurgy	5	1,109	53	13
769	Education	2	1,108	107	22
770	Automotive Engineering	2	1,105	37	3
770	Ecology	36	1,105	32	49
772	Mechanical Engineering	5	1,104	51	16
773	Surface Chemistry	4	1,101	22	9
774	Solar Energy	12	1,100	26	18
774	Energy Systems	12	1,100	26	18
774	Chemistry	12	1,100	104	48
777	Environmental Engineering	22	1,098	60	60
778	Materials Engineering	9	1,097	29	14
779	Biotechnology	4	1,092	172	63
780	Oceanography	24	1,091	116	128
781	Education	5	1,090	303	85
781	Materials Processing	6	1,090	35	17
783	Chemistry	16	1,089	60	37
784	Mechatronics	5	1,088	17	11
784	Chemistry	35	1,088	39	48
786	Toxicology	28	1,087	21	27
786	Physical Chemistry	2	1,087	67	13
788	Ecology	17	1,086	28	30
788	Hydrology	17	1,086	26	30
790	Ecology	24	1,085	20	24
791	Zoology	22	1,083	37	36
792	Industrial Chemistry	2	1,082	28	5
792	Chemistry	2	1,082	64	6
794	Evolutionary Biology	28	1,081	38	46
795	Evolutionary Biology	17	1,077	54	48
796	Chemistry	28	1,076	120	111
797	Chemistry	7	1,075	85	25
797	Chemical Engineering	14	1,075	36	17
799	Energy Storage	6	1,073	8	6
800	Computer Engineering	7	1,072	20	17
801	Chemistry	19	1,071	23	21
801	Environmental Science	5	1,071	45	16
803	Biochemistry	16	1,069	85	71
804	Materials Science	5	1,067	25	19
805	Energy Conversion	3	1,066	8	3
806	Botany	5	1,064	38	3
806	Polymer Science	2	1,064	37	12
808	Chemistry	2	1,062	56	8
808	Materials Science	14	1,062	44	30
808	Chemical Engineering	2	1,062	54	8
811	Chemistry	12	1,058	52	33
812	Chemistry	2	1,057	153	30
813	Industrial Engineering	5	1,056	49	19
814	Botany	15	1,055	21	14
814	Ecology	24	1,055	82	94
814	Microbial Ecology	24	1,055	81	91
817	Biochemistry	5	1,054	16	8
818	Chemical Ecology	22	1,053	4	5
818	Toxicology	48	1,053	19	34
820	Toxicology	31	1,052	4	4
821	Materials Science	4	1,051	75	32
821	Chemistry	7	1,051	78	42
823	Materials Engineering	3	1,050	35	12
824	Cell Biology	27	1,049	26	34
825	Chemistry	12	1,046	96	65
825	Education	17	1,046	151	79
827	Chemical Engineering	5	1,044	12	13
828	Condensed Matter Physics	4	1,043	43	22
828	Theoretical Chemistry	2	1,043	75	21
830	Horticulture	13	1,041	14	5
830	Chemistry	12	1,041	63	37
830	Nanotechnology	8	1,041	38	29
833	Chemical Engineering	11	1,040	78	46
834	Toxicology	5	1,039	96	50
835	Civil Engineering	5	1,038	11	6
836	Biochemistry	10	1,037	114	85
836	Materials Engineering	2	1,037	63	8
838	Geochemistry	37	1,036	19	20
838	Environmental Science	25	1,036	30	48
840	Ecotoxicology	5	1,035	7	6
841	Functional Materials	9	1,033	11	8
842	Toxicology	4	1,032	62	22
842	Environmental Health	4	1,032	54	21
842	Energy Conversion	11	1,032	35	28
845	Chemistry	3	1,031	80	25
845	Chemical Engineering	3	1,031	75	17
847	Electrical Engineering	1	1,029	17	1
847	Electrical Engineering	1	1,029	153	11
847	Environmental Science	7	1,029	20	14
850	Biology	20	1,028	5	3
850	Nanotechnology	2	1,028	14	8
850	Environmental Engineering	2	1,028	20	8
853	Environmental Science	28	1,027	70	93
854	Biochemistry	4	1,026	63	25
855	Chemistry	36	1,025	9	18
856	Biology	49	1,024	15	33
857	Biology	21	1,023	42	49
857	Geography	24	1,023	12	17
857	Environmental Engineering	5	1,023	74	26
857	Chemistry	5	1,023	88	35
861	Materials Science	10	1,022	43	29
862	Chemical Engineering	11	1,021	43	21
862	Renewable Energy	6	1,021	19	7
864	Materials Science	13	1,019	51	24
865	Neuroscience	4	1,017	226	86
865	Neuroscience	4	1,017	200	65
865	Physiology	4	1,017	214	63
868	Ecology	26	1,016	4	4
869	Biochemistry	4	1,015	162	85
870	Chemistry	11	1,014	37	18
870	Chemical Engineering	11	1,014	36	18
872	Environmental Toxicology	30	1,012	4	4
872	Chemical Ecology	25	1,012	4	4
872	Energy Materials	7	1,012	27	19
875	Chemical Engineering	2	1,011	97	20
875	Energy Conversion	10	1,011	38	24
877	Biology	13	1,008	67	45
878	Zoology	32	1,005	103	104
878	Zoology	24	1,005	28	38
878	Energy Storage	5	1,005	23	8
881	Chemistry	14	1,003	30	24
882	Agronomy	11	1,002	26	20
883	Biology	9	996	108	82
884	Biology	28	995	73	86
884	Biology	27	995	47	56
886	Chemical Engineering	4	994	77	37
887	Materials Science	8	993	90	58
887	Chemical Engineering	8	993	95	59
887	Biology	23	993	11	22
887	Mechanical Engineering	8	993	37	18
891	Analytical Chemistry	34	991	6	7
891	Public Health	28	991	8	8
893	Materials Science	8	989	65	40
893	Materials Science	13	989	46	36
893	Public Health	9	989	28	13
893	Catalysis	5	989	15	11
893	Biotechnology	6	989	18	4
898	Chemistry	3	988	34	2
899	Biochemistry	15	987	13	12
900	Ecology	37	984	5	8
900	Chemical Ecology	37	984	3	3
902	Chemistry	12	982	81	50
902	Environmental Chemistry	14	982	10	11
904	Education	6	977	106	30
905	Environmental Engineering	32	976	11	18
905	Dynamics	7	976	47	25
907	Chemistry	10	975	73	45
907	Computer Science	5	975	98	12
907	Chemistry	7	975	35	10
907	Materials Science	4	975	59	25
911	Microbiology	11	974	13	19
912	Biotechnology	21	972	129	114
912	Freshwater Ecology	21	972	50	41
914	Biology	10	971	6	6
915	Chemistry	7	969	39	24
916	Biology	15	966	56	64
916	Chemistry	6	966	32	14
918	Environmental Engineering	26	965	25	34
919	Materials Engineering	9	963	61	40
920	Surface Engineering	3	962	3	1
921	Polymer Science	9	959	23	10
922	Materials Science	12	957	56	38
923	Ecology	9	956	9	10
924	Biology	14	955	21	17
925	Education	6	953	109	25
925	Chemistry	15	953	65	44
925	Chemistry	11	953	67	40
925	Nanomaterials	4	953	19	5
929	Biology	30	949	44	96
929	Electronics	6	949	5	4
931	Biology	10	948	200	131
931	Chemical Engineering	29	948	18	27
931	Sustainable Energy	3	948	25	9
934	Chemistry	12	946	62	36
935	Biology	26	945	73	99
935	Inorganic Chemistry	5	945	17	4
935	Organic Chemistry	7	945	69	42
938	Materials Science	7	944	58	27
939	Materials Science	6	943	61	23
939	Environmental Engineering	10	943	76	43
941	Chemistry	15	940	101	78
942	Energy Systems	6	939	22	10
942	Energy Storage	2	939	16	8
944	Oceanography	18	938	17	19
944	Organic Chemistry	26	938	6	7
946	Chemistry	6	937	101	61
947	Toxicology	8	936	25	13
948	Chemical Engineering	11	935	72	59
949	Chemistry	17	934	93	66
950	Applied Physics	3	932	81	30
950	Chemistry	21	932	26	33
952	Chemistry	2	931	76	12
953	Mechanical Engineering	5	928	74	13
954	Biomedical Engineering	4	927	53	10
954	Functional Materials	5	927	30	14
956	Public Health	1	922	150	10
956	Public Health	1	922	13	2
956	Nanomaterials	4	922	28	27
959	Chemistry	4	921	90	34
959	Chemistry	6	921	65	30
959	Surface Chemistry	4	921	22	14
962	Chemistry	10	919	87	48
962	Automation	13	919	47	27
964	Electronic Materials	4	917	5	2
965	Chemistry	9	915	90	61
965	Environmental Engineering	3	915	49	9
967	Chemistry	24	914	11	15
968	Biomedical Engineering	2	913	106	17
968	Statistics	21	913	36	34
968	Chemistry	2	913	35	2
968	Environmental Systems	8	913	15	15
972	Chemical Engineering	7	912	37	15
973	Materials Science	8	911	76	35
973	Chemical Engineering	1	911	72	5
973	Materials Chemistry	6	911	50	28
976	Energy Engineering	6	909	16	4
977	Materials Science	15	906	41	19
977	Education	21	906	101	84
979	Physical Chemistry	8	904	34	24
979	Polymer Chemistry	2	904	73	32
979	Chemistry	13	904	125	81
982	Food Science	1	903	75	31
983	Economics	21	902	8	6
983	Agricultural Engineering	21	902	1	1
985	Environmental Engineering	8	901	40	20
985	Chemical Engineering	7	901	68	28
987	Chemistry	17	898	104	74
988	Energy Materials	5	894	46	11
989	Mechanical Engineering	9	893	121	78
990	Chemistry	37	892	6	5
990	Environmental Engineering	6	892	23	10
990	Architecture	6	892	13	9
993	Toxicology	19	887	19	16
994	Sustainable Engineering	5	886	4	2
995	Organic Chemistry	22	885	44	37
995	Biochemistry	22	885	46	40
997	Astronomy	9	884	44	28
997	Polymers	3	884	5	1
999	Geography	8	883	102	66
999	Chemistry	18	883	18	24

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Environmental Chemistry

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