Estimation of the Pressure and Volume of Gas in Plant Tissues using a Pressure Chamber

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  • プレッシャーチエンバーによる植物組織中の気体の圧力及び体積の推定法
  • プレッシャーチェンバーによる植物組織中の気体の圧力及び体積の推定法〔英文〕
  • プレッシャー チェンバー ニ ヨル ショクブツ ソシキチュウ ノ キタイ ノ

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Abstract

A method and apparatus were described for estimating the volume and mean pressure of gas in vapour phase in plant tissues, using a plot of volume versus reciprocal of pressure. This was achieved by using a pressure chamber in which the pressure was increased stepwise from 1.0 to 11.0 bar.<br>Volume of the gas space, which consists of compartments at various pressures, was partitioned by pressure, on the assumption that all the gas spaces dissolve completely at the same pressure.<br>This method revealed a peak of gas space at 1.3 bar (0.3 bar above atmospheric pressure) as well as at 1.0 bar in pericarp tissue of freshly picked cucumber fruit.

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