Abstract: Provided is an operation support apparatus including: a calculation unit which calculates, based on an electricity cost or an amount of power consumption for each of predetermined times associated with operation of a plurality of electrolyzers operating in parallel, an amount of production by time unit which is an amount of production of a product for each of the times that satisfies a target amount of production of the product, the product being produced by the plurality of electrolyzers over a predetermined period of time; and a specification unit which specifies an electrolyzer to be operated among the plurality of electrolyzers, based on the amount of production by time unit calculated by the calculation unit.

Abstract: A spectroscopic analysis device (1) according to the present disclosure includes an irradiator (10) configured to irradiate irradiation light on an object to be measured, a light receiver (40) configured to receive reflected light based on the irradiation light from the object to be measured, and a controller (80) configured to analyze, based on the reflected light, an optical property of the object to be measured. The controller (80) is configured to acquire environment information on a measurement environment, including an observation window (W) that guides the irradiation light to the object to be measured, and to correct a parameter indicating the optical property according to the environment information.

Abstract: A semiconductor memory device has a memory cell composed of a select MOS transistor and information storage capacitor and a peripheral circuit composed of a MOS transistor formed at a peripheral side of the memory cell, these transistors being formed in the surface portion of a first conductivity type semiconductor substrate. In the semiconductor memory device, the gate oxide film of the select MOS transistor is different in thickness from the gate oxide film of the MOS transistor of the peripheral circuit, the gate electrodes of these transistors being simultaneously formed.