Table 4.

Fitting parameters and interaction types of five component mixtures.

Mixture Ray	Time/h	Fitting Model	α	β	R2	RMSE	pEC 50	NOEC	Interaction Type at the Effect Level
R1	4	Weibull	10.679	1.895	0.974	0.014	5.828	1.21 × 10−7	15~40%: ANT; 40~85%: ADD
	8	Weibull	12.953	2.150	0.949	0.038	6.195	1.21 × 10−7	15~85%: ADD
	12	Weibull	12.713	2.073	0.951	0.043	6.310	1.21 × 10−7	15~45%: ADD; 45~85%: ANT
R2	4	Weibull	12.835	2.228	0.976	0.017	5.925	1.46 × 10−7	15~50%: ADD; 50~85%: SYN
	8	Weibull	12.361	2.051	0.989	0.019	6.206	5.83 × 10−8	15~85%: ADD
	12	Weibull	11.740	1.900	0.986	0.026	6.372	4.95 × 10−8	15~30%: SYN; 30~60%: ADD; 60~85%: ANT
R3	4	Weibull	13.909	2.351	0.988	0.013	6.071	1.23 × 10−7	15~35%: ANT; 35~45%: SYN; 45~85%: SYN
	8	Weibull	11.812	1.934	0.988	0.020	6.296	1.23 × 10−7	15~85%: ADD
	12	Weibull	12.482	1.994	0.985	0.027	6.445	1.23 × 10−7	15~25%: SYN; 25~60%: ADD; 60~85%: ANT
R4	4	Weibull	8.565	1.524	0.976	0.018	5.862	6.03 × 10−8	15~85%: ADD
	8	Weibull	10.541	1.744	0.993	0.016	6.255	5.13 × 10−8	15~30%: SYN; 30~85%ADD
	12	Weibull	10.378	1.662	0.983	0.030	6.467	4.22 × 10−8	15~40%: SYN; 40~85%ADD
R5	4	Weibull	9.716	1.708	0.951	0.020	5.903	2.61 × 10−8	15~85%: ADD
	8	Weibull	11.299	1.831	0.983	0.022	6.372	2.61 × 10−8	15~85%: ADD
	12	Weibull	10.627	1.659	0.983	0.029	6.625	1.49 × 10−8	15~40%: SYN; 40~70%: ADD; 70~85%: ANT
R6	4	Weibull	11.039	1.917	0.968	0.018	5.951	4.06 × 10−8	15~70%: ADD; 70~85%: SYN
	8	Weibull	12.262	1.998	0.979	0.028	6.322	3.34 × 10−8	15~85%: ADD
	12	Weibull	12.213	1.915	0.982	0.034	6.569	3.34 × 10−8	15~40%: SYN; 40~85%: ADD
R7	4	Weibull	10.772	1.864	0.986	0.011	5.977	9.59 × 10−8	15~50%: ANT; 50~85%: ADD
	8	Weibull	13.752	2.194	0.984	0.025	6.436	9.59 × 10−8	15~85%: ADD
	12	Weibull	12.342	1.912	0.992	0.022	6.648	3.84 × 10−8	15~50%: SYN; 50~85%: ADD
R8	4	Weibull	12.422	2.173	0.983	0.012	5.886	1.25 × 10−7	15~40%: ANT; 40~65%: ADD; 65~85%: SYN
	8	Weibull	13.921	2.266	0.991	0.019	6.304	1.25 × 10−7	15~30%: SYN; 30~85%: ADD
	12	Weibull	13.121	2.068	0.994	0.019	6.521	3.51 × 10−8	15~45%: ANT; 45~70%: ADD; 70~85%: SYN
R9	4	Weibull	12.978	2.284	0.975	0.013	5.843	5.49 × 10−8	15~45%: ANT; 45~80%: ADD; 80~85%: SYN
	8	Weibull	10.354	1.757	0.977	0.023	6.102	5.49 × 10−8	15~30%: ADD; 30~80%: ANT
	12	Weibull	9.951	1.642	0.974	0.031	6.282	4.67 × 10−8	15~50%: ADD; 50~85%: ANT

Note: ANT stands for antagonistic effect; ADD stands for additive effect; SYN stands for synergistic effect.