Abstract: There is provided a communication terminal out of range determination method, a wireless communication system switching method and a communication terminal, capable of determining accurately whether or not a communication terminal is out of range. Determining whether or not the communication terminal is out of range is based on a transmission level of a transmission signal from the communication terminal to a base station.

Abstract: The present invention provides a method of removing ozone remaining in water by separating residual ozone which remains in water after ozone is mixed in the water and kills microorganisms in the water including the steps of storing water containing the residual ozone in a pressure tank, supplying the pressure tank with compressed air, generating coarse bubbles larger than the residual ozone existing in water in the form of micro bubbles in pressurized condition, making the residual ozone in the form of micro bubbles adhere to the coarse bubbles, separating the residual ozone from water as the coarse bubbles go up, and discharging the micro bubbles from the pressure tank. Accordingly, the present invention provides a method of removing ozone remaining in water to remove ozone remaining in water inexpensively and efficiently.

Abstract: The present invention provides a projection type display unit including a light source, an optical unit including a light valve and a projection lens, and a cooling section for cooling the light source and the optical unit. The light source and the optical unit as well as the cooling section are incorporated in an armor cabinet. A highly heat conductive sheet metal component part is disposed in a space between a lamp as the light source and the armor cabinet.

Abstract: A steam turbine blade includes a coating film formed at least a portion of a surface of the steam turbine blade, the coating film containing a ceramic matrix and nanosheet particles dispersed in the ceramic matrix. The steam turbine blade is employed as one of stator blades or one of rotor blades in a steam turbine. The steam turbine includes a turbine rotor, the rotor blades implanted in the turbine rotor, the stator blades provided in an upstream side of the corresponding rotor blades, and a turbine casing supporting the stator blades and accommodating turbine rotor, the rotor blades and the stator blades. The steam turbine is also configured such that the rotor blades are paired with the corresponding stator blades to form turbine stages arranged in an axial direction of the turbine rotor, thereby forming steam paths.

Abstract: [Problem] To provide a membrane treatment method and a membrane treatment apparatus for ballast water using a membrane module, which are capable of inhibiting the formation of scale on the membrane surface to reduce fouling, using a simple installation. [Means for Solving the Problem] The membrane treatment method and the membrane treatment apparatus for ballast water using a membrane module according to the invention, having a membrane treatment tank 2 and a membrane module 1 provided in the tank for continuously performing filtration while ballast water is being passed thereto as raw water; wherein a positive electrode and a negative electrode are provided in the membrane treatment tank 2 so as to come into contact with raw water in the tank, and a current passing means is provided in the tank for applying a voltage between the electrodes.

Abstract: An optical pickup which includes first to third light sources each emitting a light beam each having a first to third wavelength; an objective lens condensing each of the light beams emitted from the light sources on a signal recording face of an optical disc; a collimator lens provided between the light sources and the objective lens to convert a divergent angle of each of the light beams emitted from the light sources so as to obtain a parallel light beam; and a diffractive optical element provided between the collimator lens and the objective lens. The diffractive optical element includes first and second diffractive parts which respectively diffract the light beam having the second wavelength and the third wavelength. The second diffractive part has a diffraction structure formed by a plurality of concentric ring zones, having first to fourth optical faces, each having a different height in an optical axis direction.

Abstract: To provide a method for treating ballast water with a membrane, which can reliably remove a fouling substance derived from a gel-like substance and a fouling substance of mineral origin, the fouling substances attached to a membrane, by separating or breaking down the fouling substances, and can maintain the membrane flux for long periods. In a method for treating ballast water with a membrane, the method provided with, in or on a hull of a ship, the membrane treatment equipment 1 that separates a microorganism with a size equal to or greater than a predetermined size, a fouling substance attached to the surface of the membrane is dissolved, broken down, or removed by using a cleaning fluid containing a peroxide which is at least one selected from hydrogen peroxide, hypochlorous acid, and ozone water.

Abstract: A method for treating ship ballast water with a membrane, which can easily separate and reliably remove a fouling substance attached to a membrane and maintain the membrane flux for long periods. the method including a membrane separation step of taking in seawater in a port area in which a ship is anchored and separating a microorganism with a size equal to or greater than a predetermined size therefrom with a membrane filtration apparatus installed in or on a hull of the ship and having a filtration membrane module, a backwash step of separating a fouling substance attached to a membrane surface of the membrane filtration apparatus from the membrane surface by backwashing is provided.

Abstract: A membrane treatment apparatus includes a filtration membrane 10 filtering raw water existing in an external environment 100 by applying pressure thereto and a treated water outlet 11 from which treated water collected after filtration by the filtration membrane 10 is taken, and is provided with a filter cloth 12 placed and fixed outside the filtration membrane 10 with a predetermined space left between the filter cloth and the filtration membrane. Preferably, the filter cloth 12 is provided in such a way as to cover an outer circumferential side and a bottom of the filtration membrane 10, and the filter cloth 12 is provided in such a way as to cover the outer circumferential side of the filtration membrane 10 with the bottom thereof uncovered.

Abstract: A surveying system, which comprises a surveying instrument 1 which measures a distance and an angle by projecting a distance measuring light toward a target 12 and can measure a three-dimensional position data of said target and has a function to track the target, and a movable side control device 12 provided on the target side, wherein said surveying instrument has a communication means 15 capable to transmit the three-dimensional position data of the target measured by the surveying instrument to said movable side control device and a first control arithmetic unit 29 for controlling the search of the target by the surveying instrument, wherein said movable side control device has a displacement amount detecting means 38 of the target and a second control arithmetic unit 35 for calculating the displacement amount of the target based on a target detection signal from the displacement amount detecting means and for calculating a target position based on the displacement amount of the target and based on the th

Abstract: The invention is to provide: an aqueous emulsion which is excellent in emulsion polymerization stability when produced, and is excellent in mechanical stability, freezing stability, stability to long-term standing at high temperatures, water resistance adhesive property, and redispersibility; and a redispersible resin and adhesive where the aqueous emulsion is used. The invention relates to an aqueous emulsion comprising a polyvinyl alcohol-based resin (A) comprising a 1,2-diol component in a side chain and having an average degree of polymerization of 50 to 2,500 and a polymer (B) comprising at least one unsaturated monomer selected from an ethylenically unsaturated monomer and a diene-based monomer.

Abstract: An edge switch that switches a frame between a user network and a wide area network includes an access port to connect a communication module including a storage unit storing a first identification number identifying which access port the communication module is connected to; an identification number storage unit storing a second identification number assigned to the access port; a control circuit capable of detecting a connection of the communication module; a reading unit to read the first identification number upon detection of the connection; a switchover determination unit to read the second identification number of the access port to which the connection has been detected, to compare the second and first identification numbers, and to determine that a switchover has occurred if they do not match; and a writing unit to write to the storage unit the second identification number when the switchover is determined to have occurred.

Abstract: The present invention provides a novel transfer vector and a recombinant baculovirus; methods for the production thereof; pharmaceuticals containing the recombinant baculovirus as an active ingredient, which are useful as preventive or therapeutic drugs for infectious diseases such as malaria and influenza; and methods for preventing and treating infectious diseases such as malaria and influenza. More specifically, the invention provides a recombinant transfer vector capable of expressing a foreign gene fused to a virus gene under the control of a dual promoter; a recombinant baculovirus; methods for the production thereof; pharmaceuticals containing the recombinant baculovirus as an active ingredient; and methods for preventing and treating infectious diseases such as malaria and influenza comprising administrating the recombinant baculovirus to patients.

Abstract: The absolute angle calculation apparatus includes a calculation circuit calculating an absolute angular position based on a spatially modulated component in a photoelectrically-converted signal string. The calculation circuit includes a photoelectrically-converted signal string storage storing previous and current photoelectrically-converted signal strings obtained, for interpolating the absolute angular position, within a set time shorter than an absolute angle calculation time required to calculate the absolute angular position; a correlation detection circuit detecting a correlation between the previous and current photoelectrically-converted signal strings in the photoelectrically-converted signal string storage and detecting a shift amount therebetween; and an interpolation calculation circuit interpolating an inter-pattern absolute angular position equivalent value based on the shift amount obtained by the current measurement.

Abstract: An optical pickup apparatus and an optical disc apparatus are adapted to raise the efficiency of utilization of the lasers of the apparatus for accurately detecting tracking errors by raising the intensity ratio of the beam of the 0-th order to the beams of the ±1st orders produced by splitting of the laser beam of the wavelength to be subjected to division by three. The optical pickup apparatus includes a light emitting section for emitting a first laser beam having wavelength ?1 and a second laser beam having wavelength ?2 different from the wavelength ?1.

Abstract: An object of the present invention is to provide a new acetoacetic ester group-containing polyvinyl alcohol-based resin that contains less amount of water-insoluble matter and is excellent in transparency and viscosity stability when converted into an aqueous solution, and that realizes excellent water resistance by combined use of a crosslinking agent. The invention provides an acetoacetic ester group-containing polyvinyl alcohol-based resin containing a structural unit represented by the general formula (1): wherein at least one of R1 and R2 represents an acetoacetyl group, R3, R4, R5, R6, R7 and R8 each independently represents an arbitrary substituent, and X represents a single bond or an arbitrary bonding chain.

Abstract: The present invention aims at providing a dispersion stabilizer for suspension polymerization of a vinyl-based compound, which gives vinyl chloride-based polymer particles having a sharp particle size distribution and a high bulk density owing to excellent dispersion stability during polymerization, and which can produce vinyl chloride-based polymer particles with few wet foams, hardly accompanied with formation of polymer scales and foamy polymers attributable to dry foams, with less coloring, and having excellent heat resistance. The dispersion stabilizer of the invention comprises a PVA-based resin having a 1,2-diol component at a side chain and a degree of saponification of 65 to 87% by mol.

Abstract: The present invention provides a coating method, in which a composite coating layer is formed on a surface of an alloy base member by utilizing a rotary electrode device. The coating method includes the steps of: preparing an electrolytic solution containing A ion wherein A is Co or Ni; preparing a MCrAlY powder wherein M denotes at least one element selected from the group consisting of Ni and Co, and the MCrAlY powder contains at least Ni when A is Co or the MCrAlY powder contains at least Co when A is Ni; preparing a dispersion liquid by dispersing the MCrAlY powder into the electrolytic solution; immerging the cylindrical rotary electrode and the alloy base member into the dispersion liquid; and electrolyzing the surface of the alloy base member while the cylindrical rotary electrode covered with the nonwoven fabric layer is rolled on the on the surface of the alloy base member thereby to form the composite coating layer onto the surface of the alloy base member.

Abstract: A wireless communication device (10) comprising a first communication portion (36a) that connects to a wide-area wireless communication network; a second communication portion (36b) that connects to a narrow-area wireless communication network; and processing portions (32, 34) that, during communication with a wide-area wireless communication network via the first communication portion (36a), upon detection of a communication area boundary vicinity of the wide-area wireless communication network when communication is performed, perform processing so that the second communication portion (36c) continues performing communication that the first communication portion (36a) is performing.

Abstract: According to one embodiment, in an information recording medium for which a phase change material is used and in which information is recorded on, reproduced from, and erased from a recording layer by light irradiation, a recrystallization width WR at a periphery of an amorphous recording mark formed on the recording layer by light irradiation, and a recording mark width WA and a track pitch TP satisfy 1.0<WR/WA<1.1 and 2/3<WA/TP<4/3.