Abstract: A system for controlling a watercraft includes a satellite positioning sensor, a remote sensor, and a controller. The satellite positioning sensor detects a position of a watercraft based on radio waves transmitted from a satellite. The remote sensor detects a position of a target object. When the satellite positioning sensor receives the radio waves transmitted from the satellite, the controller is configured or programmed to obtain the position of the watercraft detected by the satellite positioning sensor and execute a normal automated navigation such that the watercraft is moved along a predetermined navigation route. The controller is configured or programmed to obtain the position of the target object detected by the remote sensor during navigation of the watercraft, and execute a temporary automated navigation to move the watercraft toward the target object when the satellite positioning sensor is interrupted from receiving the radio waves transmitted from the satellite.

Abstract: A resin recovery method comprises a crushing step, a sieving step, and a collecting step. In the crushing step, a resin-product-equipped harness is loaded into the crusher having a striking portion that rotates about a predetermined axis to crush the resin product with the striking portion into resin pieces. In the sieving step, the harness and the resin pieces are loaded into a sieving device having an upper sieve and a lower sieve provided below the upper sieve, from above the upper sieve. In the collecting step, the resin pieces that have passed through the upper and lower sieves are collected.

Abstract: An automatic watercraft maneuvering system includes a propulsion device to propel a watercraft, a steering to change a course of the watercraft, a display to provide visual notification of a state of the watercraft, and a controller configured or programmed to execute an automatic watercraft maneuvering control to control the propulsion device and the steering in order to perform automatic watercraft maneuvering from a departure location to a destination location and control the display according to a state of the automatic watercraft maneuvering control. The controller is configured or programmed to control the display such that a plurality of states including a state in which the automatic watercraft maneuvering control is being executed and a state in which the automatic watercraft maneuvering control is not executable are distinguished and displayed.

Abstract: An automatic watercraft maneuvering system includes a propulsion device, a steering, a position sensor, a camera, and a controller configured or programmed to execute an automatic watercraft maneuvering control to control the propulsion device and the steering in order to perform automatic watercraft maneuvering from a departure location to a destination location. The automatic watercraft maneuvering control includes a camera watercraft maneuvering control and a position sensor watercraft maneuvering control. The controller is configured or programmed to, when a failure occurs in the position sensor in a predetermined area of water in which the automatic watercraft maneuvering is executable using the camera watercraft maneuvering control, cause the watercraft to head to a predetermined target position in the predetermined area of water in which the failure occurs during the camera watercraft maneuvering control.

Abstract: A system for controlling a watercraft includes a satellite positioning sensor, a remote sensor, and a controller. The satellite positioning sensor detects a position of a watercraft based on radio waves transmitted from a satellite. The remote sensor detects a position of a target object. When the satellite positioning sensor receives the radio waves transmitted from the satellite, the controller is configured or programmed to obtain the position of the watercraft detected by the satellite positioning sensor and execute a normal automated navigation such that the watercraft is moved along a predetermined navigation route. The controller is configured or programmed to obtain the position of the target object detected by the remote sensor during navigation of the watercraft, and execute a temporary automated navigation to move the watercraft toward the target object when the satellite positioning sensor is interrupted from receiving the radio waves transmitted from the satellite.

Abstract: An automated watercraft operating system includes a watercraft operating controller and an obstacle sensor. The watercraft operating controller is disposed in a watercraft and is configured or programmed to control a marine propulsion device. The obstacle sensor is configured to detect an obstacle in the surroundings of the watercraft. When the watercraft operating controller determines that a shift state of the marine propulsion device is not switchable, the watercraft operating controller is configured or programmed to stop driving a driver in the marine propulsion device in accordance with a result of detection by the obstacle sensor.

Abstract: A display control method controls a plurality of maneuvering function displays to display maneuvering functions of a marine vessel. The display control method includes changing a maneuvering function displayed on each of the plurality of maneuvering function displays based on at least one of a start state of a marine propulsion device of the marine vessel or an operation state of an operator of the marine vessel.

Abstract: A marine vessel steering control device includes a first imager fixed to a hull to capture an image of a subject, and a controller configured or programmed to include a vessel operation controller to perform an automated vessel operation of the hull based on a captured image obtained by the first imager, and a determiner to determine, based on an imaging angular field of the first imager, whether or not sunlight is located within a reference angular field defined as an angular field within the imaging angular field. In a case where the sunlight is located within the reference angular field, the vessel operation controller is configured or programmed to change an actual traveling direction of the hull to an angle at which the sunlight is located outside the reference angular field.

Abstract: An unmanned delivery system in a marine vessel includes an acquisition unit to acquire destination information of a cargo to be delivered, an automatic navigation unit to cause a marine vessel to automatically navigate in an unmanned manner to a destination port indicated by the destination information, and a controller configured or programmed to issue an arrival notification and perform a fixed point holding of the marine vessel when the marine vessel arrives at the destination port.

Abstract: A marine vessel includes a vessel steering system including a boat controller configured or programmed to include an automatic vessel steering mode and a manual vessel steering mode as vessel steering modes. When a password to release a locked state is input to a multifunction display in a locked state where the vessel steering mode is fixed in the automatic vessel steering mode, the boat controller is configured or programmed to shift the automatic vessel steering mode to the manual vessel steering mode.

Abstract: A display control method of a plurality of maneuvering function displays in a marine vessel in which the plurality of maneuvering function displays include a first maneuvering function display to display the maneuvering function that is usable while the marine vessel is traveling and a second maneuvering function display to display the maneuvering function that is usable while the marine vessel is not traveling. The display control method includes switching between display and non-display of each of the plurality of maneuvering function displays or changing a display position of each of the plurality of maneuvering function displays based on at least one of a configuration of a maneuvering system of the marine vessel, a maneuvering status of the marine vessel, a purpose of use of the marine vessel, a current position of the marine vessel, or an execution record of the maneuvering function.

Abstract: The assay apparatus includes a loading part into which a cartridge including a carrier and a case is attachably and detachably to be loaded, the carrier having an assay region in which a color development state changes depending on whether the sample is positive or negative, and an index region which is optically distinguishable from other regions regardless of whether a sample is positive or negative, the case accommodating the carrier; a light source that illuminates the observation region on the carrier including the assay region and the index region; an imaging unit that images the observation region; and a processor configured to acquire an image including the observation region from the imaging unit, detect a position of the index region from the acquired image, and specify a position of the assay region with reference to the detected position of the index region.

Abstract: Provided is a method for washing a hollow fiber membrane module which comprises a hollow fiber membrane for filtering raw water containing a suspended component, said method comprising, in the following order, a first washing step for removing a suspended component that is accumulated on the hollow fiber membrane and a second washing step for carrying out an air scrubbing process in which gas is caused to pass through at least to the raw water side of the hollow fiber membrane, wherein, out of water that existed in the hollow fiber membrane module before washing, water in an amount corresponding to not less than 50 vol % of the capacity of the hollow fiber membrane module is removed in the first washing step.

Abstract: Provided is a method for washing a hollow fiber membrane module which comprises a hollow fiber membrane for filtering raw water containing a suspended component, said method comprising, in the following order, a first washing step for removing a suspended component that is accumulated on the hollow fiber membrane and a second washing step for carrying out an air scrubbing process in which gas is caused to pass through at least to the raw water side of the hollow fiber membrane, wherein, out of water that existed in the hollow fiber membrane module before washing, water in an amount corresponding to not less than 50 vol % of the capacity of the hollow fiber membrane module is removed in the first washing step.

Abstract: Provided is a porous hollow fiber membrane made of a thermoplastic resin, wherein a membrane thickness is 0.050 mm or larger and 0.25 mm or smaller, and when a strength coefficient is defined as K=(compressive strength)/((membrane thickness)/(inside diameter/2))3, K=1.7 or more.

Abstract: A filtration method that includes a cleaning step using a chemical agent, wherein provided is the filtration method with excellent chemical resistance performance. The filtration method pertaining to the present invention comprises a filtration step in which a liquid to be filtered is filtered by being passed through a porous membrane formed of a resin, and a cleaning step in which the membrane interior of the porous membrane is cleaned after the filtration step, wherein a porous membrane for which the area ratio of a resin part having an area of 1 ?m2 or less included in a cross section of the membrane interior is at least 70% of the total area of the entire resin part included in the cross section, and said cleaning step includes a step in which an aqueous solution of at least 1% sodium hydroxide is passed through the porous membrane.

Abstract: Provided is a filtration method that includes a cleaning step and involves the use of a porous membrane, wherein the filtration method offers exceptional resistance to cleaning solutions (chemicals) (chemical liquid resistance) and exceptional filtration performance, and has a long service life. A filtration method includes the following steps: a filtration step in which a liquid to be processed that contains a material to be filtered is passed through a porous membrane configured from a resin having a three-dimensional mesh structure, and a filtrate is separated from the material to be filtered; and a cleaning step in which the porous membrane has a cleaning solution passed therethrough or is immersed in the cleaning solution so that the interior of the porous membrane is cleaned.

Abstract: Provided is a hollow fiber membrane module comprising: a hollow fiber membrane bundle; a housing; a first adhesively-fixed portion and a second adhesively-fixed portion configured to adhesively fix, at both ends of each of the hollow fiber membranes, with a potting material: the hollow fiber membranes to each other, and the hollow fiber membrane bundle to an inner wall of the housing; and a regulating member 40 configured to regulate arrangement of the hollow fiber membranes, wherein: on an end face outer than the housing of at least one of the first adhesively-fixed portion or the second adhesively-fixed portion, when a range of a circle having a center at a center of the end face and a radius equal to ½ of a radius of the end face is defined as a central portion, and a range other than the central portion is defined as a circumferential portion, a ratio of an area ratio of the regulating member 40 and the potting material to an entire area of the central portion to an area ratio of the regulating member 40

Abstract: The porous hollow fiber membrane of the present invention contains a thermoplastic resin, and includes a surface having a surface porosity of 32 to 60% and a fine pore diameter of 300 nm or less, and has a compressive strength of 0.7 MPa or more. The porous hollow fiber membrane of the present invention may include at least two layers, and in this case, the surface of one layer has a thickness of backbone of 0.3 to 20 ?m and a fine pore diameter of 0.3 to 10 ?m, and the surface of the other layer has a surface porosity of 32 to 60% and a fine pore diameter of 0.05 to 0.3 ?m.

Abstract: A method of filtration includes a filtration step in which a liquid to be filtered is filtered through a porous membrane module consisted of a resin having a three-dimensional network structure by external pressure filtration; a cleaning step of cleaning an outer surface of the porous membrane by carrying out backwash of passing a cleaning solution through the porous membrane from an inner surface of the membrane, and air bubbling after the filtration step; and a discharging step of discharging the cleaning solution remaining on the outer surface and inside of the porous membrane after the cleaning step; and in SEM images of a membrane cross section in a membrane thickness direction orthogonal to the inner surface of the porous membrane, a total area of a resin portion having an area of 1 ?m2 or less is 70% or more relative to a total area of the resin portion.