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Table 4

The ratio of silicate features R = Flux(18 μ)/Flux(10 μ) for composite grain models.

Si+f*Gr 9640 25 896 14 440

T(K) 0.1 0.2 0.3 0.1 0.2 0.3 0.1 0.2 0.3

200 0.504 0.485 0.471 0.503 0.478 0.463 0.551 0.528 0.504
225 0.339 0.325 0.316 0.338 0.321 0.310 0.370 0.354 0.338
250 0.247 0.237 0.231 0.247 0.234 0.227 0.270 0.259 0.247
275 0.192 0.184 0.179 0.191 0.181 0.176 0.209 0.200 0.191
300 0.156 0.149 0.145 0.155 0.147 0.143 0.170 0.163 0.155

Si+f*Por 9640 25 896 14 440

T(K) 0.1 0.2 0.3 0.1 0.2 0.3 0.1 0.2 0.3

200 0.567 0.592 0.619 0.584 0.620 0.655 0.607 0.631 0.656
225 0.381 0.398 0.416 0.392 0.416 0.439 0.408 0.423 0.440
250 0.278 0.290 0.303 0.286 0.304 0.321 0.298 0.309 0.321
275 0.215 0.225 0.235 0.220 0.236 0.249 0.231 0.240 0.249
300 0.175 0.183 0.191 0.180 0.191 0.202 0.187 0.194 0.202

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