Influences of the Complex of Environmental Temperature, Relative Humidity and Air Velocity on the Body Temperature of Restrained Mice

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  • 保定マウスの体温におよぼす環境温度相対湿度および風速の複合影響
  • ホテイ マウス ノ タイオン ニ オヨボス カンキョウ オンド ソウタイ シツ

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Description

Effects of the complexes of environmental factors, such as ambient-temperature, relative humidity and air velocity, on the body temperature were investigated in restrained mice. Observations were carried out before and after 60 min-exposure to various triple combinations among environmental temperatures of 15, 25 and 35°C, relative humidities of 40, 65 and 90%, and air velocities of 0.2, 1.0 and 2.0 m/sec. The analysis of variance about the differences of body temperature revealed significant effects of the environmental temperature and the air velocity levels, while no significant effects were recognized of the relative humidity. Effects of the double factors, either the environmental temperature plus the relative humidity or the environmental temperature plus the air velocity, were significant at 5 or 1% level respectively. However, effects of the double factors the relative humidity plus the air velosity, as well as the triple factors were not significant. Under the environments consisted of triple factors, the environmental temperature of 20 and 25°C, the relative humidities of 40 and 70% and the air velocities of 0.1 and 0.5m/sec, significant effects at 1% level were recognized only in the environmental temperature levels. In the relative humidty or the air velocity levels, and the double or triple factor levels, no significant effects were recognized. From the results obtained, the effective temperature (Te) was indicated by the formula, Te=t+100x-v√38-t, in which were given the environmental temperature in t°C, the absolute humidity in x kg/kg and the air velocity in v m/sec.

Journal

  • EXPERIMENTAL ANIMALS

    EXPERIMENTAL ANIMALS 24 (4), 143-150, 1975

    Japanese Association for Laboratory Animal Science

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