초록

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Abstract ▼ AI-Helper

The $100\%$ of insect pests on the imported logs and Sitophilus oryzae(L.) will be killed both when the imported logs are fumigated on shipboard with 25g methyl $bromide/m^3$ for 24hours at $10\~20^{\circ}C$ and when they are fumigated on shipboard with 37.5g methyl ...

The $100\%$ of insect pests on the imported logs and Sitophilus oryzae(L.) will be killed both when the imported logs are fumigated on shipboard with 25g methyl $bromide/m^3$ for 24hours at $10\~20^{\circ}C$ and when they are fumigated on shipboard with 37.5g methyl $bromide/m^3$ caculated by DT products for 16 hours at $10\~20^{\circ}C$ using 2 fans of 1800rpm over and ID 30cm. Without using fans, it takes $4\~6$ hours to make gas concentration even in hold. But using 2 fans per hold, the period reduces to $1\~3$ hours.