| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for preventing noxious insects from invading into a building continuously and stably even without spraying a chemical in the building. SOLUTION: This method for preventing the noxious insects from invading into the building is characterized by installing a chemical-vaporizing device in the vicinity of an entrance or window at the outside of the building, and vaporizing the chemical by 0.5-80 mg/h vaporization amount per 1 m<SP>2</SP>area of the entrance or window of the building. COPYRIGHT: (C)2006,JPO&NCIPI
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