Abstract: A drainage treatment system is applied to receive drainage from a large number of factories and overflow while reducing the size of a storage tank. The drainage from the storage tank is purified by a water treatment device having a combination of solid detergent and liquid regenerant, and includes a solid detergent filtering device that performs a purification operation in which the drainage from the storage tank is transformed into purified water. The regeneration device performs regeneration in which impurities absorbed to the solid detergent filtering device are desorbed; and the treatment facility control device acquires operating plan information to predict the amount of drainage discharge from the factories, and to predict the transition of a physical quantity at each part of the storage tank and the water treatment device associated with the predicted amount of drainage discharge, and controls the timing of operation in accordance with the prediction result.

Abstract: The present invention provides a charged particle beam device with which optimal parameters for the device can be effectively derived in a short time period. This charged particle beam device comprises: an electron gun (1) that irradiates a sample (10) with an electron beam (2); an image processing unit (901) that acquires an image of the sample (10) from a signal (12) generated by the sample (10) due to the electron beam (2); a database (604) that holds correspondence between a first parameter that is an optical condition, a second parameter that is a value pertaining to device performance, and a third parameter that is information pertaining to the device configuration, and stores a plurality of analysis values and measurement values; and a learning machine (605) that searches the database (604) and derives a first parameter that satisfies a target value of the second parameter.

Abstract: A drainage treatment system is applied to receive drainage from a large number of factories and overflow while reducing the size of a storage tank. The drainage from the storage tank is purified by a water treatment device having a combination of solid detergent and liquid regenerant, and includes a solid detergent filtering device that performs a purification operation in which the drainage from the storage tank is transformed into purified water. The regeneration device performs regeneration in which impurities absorbed to the solid detergent filtering device are desorbed; and the treatment facility control device acquires operating plan information to predict the amount of drainage discharge from the factories, and to predict the transition of a physical quantity at each part of the storage tank and the water treatment device associated with the predicted amount of drainage discharge, and controls the timing of operation in accordance with the prediction result.

Abstract: Provided is a valve structure capable of suppressing the vibration of a valve body. The valve structure includes a valve body and a valve seat. The valve seat has a flow path of a fluid. The flow path opens and closes. A groove surrounding a central axis of the flow path is formed in a flow path wall surface downstream of a contact section between the valve body and the valve seat.