Table 28.2 List of the most frequent keywords in the science and engineering corpus

	Word	Freq.		Word	Freq.
1	these	25220	26	higher	8648
2	between	22875	27	rate	8437
3	model	22500	28	models	8382
4	also	21547	29	thus	8259
5	used	20662	30	process	8244
6	using	20610	31	conditions	8057
7	data	19223	32	respectively	7845
8	each	16845	33	structure	7698
9	results	16620	34	following	7612
10	different	14645	35	similar	7561
11	both	14230	36	significant	7251
12	study	13723	37	cell	7170
13	however	12895	38	therefore	7036
14	based	11966	39	sample	6896
15	shown	11514	40	size	6893
16	effect	11067	41	parameters	6825
17	values	11064	42	type	6704
18	analysis	11029	43	compared	6613
19	function	10393	44	phase	6602
20	table	10309	45	samples	6386
21	observed	10117	46	lower	6236
22	method	9573	47	total	6186
23	obtained	9420	48	distribution	6086
24	effects	9356	49	shows	5956
25	value	9099	50	response	5936