| 摘要 |
Provided is a density-equation creating system, including: a container, each of a plurality of kinds of mixed gas being injected in the container; a heating element configured to produce heat at a plurality of heating temperatures, the heating element being arranged in the container; a measuring section configured to measure values of electric signals output from the heating element, the heating element producing heat at the plurality of heating temperatures, respectively; and an equation creating section configured to create a density equation including independent variables and a dependent variable based on values of density of the plurality of kinds of mixed gas and based on measured values of electric signals output from the heating element at the plurality of heating temperatures, the independent variables being electric signals output from the heating element at the plurality of heating temperatures, respectively, the dependent variable being the density.
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