A method of estimating stroke volume of the heart is described. A reacting solution supply volume adjusting device supplies the reacting solution from the liquid storage section to the reacting section when the pressure in the liquid storage section is higher than the pressure in the reacting section and stops the supply of the reacting solution when the pressure in the liquid storage section is lower than the pressure in the reacting section. When the merger apparatus is in a second, or non-working position, the lift mechanism positions the merger apparatus to allow crop material to be discharged from the headerconditioner with the same efficiency as a windrower having no installed merger attachment. The source Node B may determine to handover the calls for the first and second subscriber identities to a target Node B based on the measurement report. The oxygenator bundle differs from the depth filter in terms of: fiber and filament materials, construction of the fibers and filaments, andor minimum gap spacings between axially adjacent ones of the fibers and the filaments. A metallic thin film is formed outside the waveguide fixing region of the silicon substrate.