Abstract: Even when a pressurizing operation is performed, degradation of the quality of a printing head due to wiping of a nozzle surface is suppressed. In an ink jet printing apparatus including a printing head, an ink tank, a first pump arranged in an ink supplying path for supplying ink from the ink tank to the printing head, a second pump arranged in an ink collecting path for collecting ink from the printing head to the ink tank, a switch valve arranged between the printing head and the second pump, and a cleaning mechanism, by driving the first pump in a state where the switch valve is closed, the ink is discharged from the nozzle row, and after driving of the second pump in a state where the switch valve is opened, the cleaning mechanism is caused to clean the printing head.

Abstract: An information processing system includes a plurality of information processing apparatuses, and a control apparatus that collects data included in each of the plurality of information processing apparatuses. Each of the plurality of information processing apparatuses or the control apparatus determines a first number of first information processing apparatuses that compress the data or a second number of second information processing apparatuses that do not compress the data, the first information processing apparatuses and the second information processing apparatuses being included in the plurality of information processing apparatuses, based on a parameter involved in decompression processing by the control apparatus. The first number of first information processing apparatuses compress the data and transmit compressed data to the control apparatus, and the second number of second information processing apparatuses transmit non-compressed data to the control apparatus without compressing the data.

Abstract: A novel silicon compound capable of initiating radical polymerization is provided. The silicon compound is represented by the following general formula (1) A-Z1—S—Z2—Si(OR1)n(R2)3-n??(1) wherein A is a group capable of initiating radical polymerization, Z1 and Z2 are each independently a bivalent group that has at least a carbon atom, R1 and R2 are each independently an alkyl group having from 1 to 3 carbon atoms, and n is an integer of 1 to 3. A radical polymerization initiator comprising the silicon compound, and a polymer obtained by radical polymerization of a monomer with the radical polymerization initiator are also provided. Also provided is a complex having a polymer graft chain formed on a solid substance surface with the use of the silicon compound.

Abstract: An apparatus includes a recording head having a sealing portion arranged in proximity to nozzle arrays and protruding beyond a nozzle surface. A wiper unit configured to wipe the nozzle surface of the recording head has a first wiper blade and a second wiper blade, and the first wiper blade is arranged to be inclined by an angle ?1 (?1>0) with respect to a direction orthogonal to the wiping direction within a plane parallel to the nozzle surface, while the second wiper blade is arranged to be inclined by an angle ?2 (?2<0) with respect to the direction orthogonal to the wiping direction within the plane.

Abstract: This invention relates to a coating formulation for manufacturing an electrode plate, which contains a solution of a hydroxyalkylchitosan and an organic acid and/or its derivative in an aprotic polar solvent, and an active material added to the solution and kneaded with the solution, the electrode plate, a manufacturing process of the electrode plate, a battery, a capacitor, and an undercoating formulation. According to this invention, a coating formulation for manufacturing an electrode plate for a nonaqueous electrolyte secondary battery or an electrode plate for an electric double layer capacitor having excellent adhesion and improved contact resistance between an active material layer and a collector, the electrode plate, its manufacturing process, the battery and the capacitor can be provided.

Abstract: This invention relates to a coating formulation for manufacturing an electrode plate, which contains a solution of a hydroxyalkylchitosan and an organic acid and/or its derivative in an aprotic polar solvent, and an active material added to the solution and kneaded with the solution, the electrode plate, a manufacturing process of the electrode plate, a battery, a capacitor, and an undercoating formulation. According to this invention, a coating formulation for manufacturing an electrode plate for a nonaqueous electrolyte secondary battery or an electrode plate for an electric double layer capacitor having excellent adhesion and improved contact resistance between an active material layer and a collector, the electrode plate, its manufacturing process, the battery and the capacitor can be provided.

Abstract: A printing apparatus includes an overflow tube into which ink overflowed from a buffer tank flows, an overflow tank to which the overflow tube is connected, a drain tank to which ink is drained from the overflow tank, and an atmosphere communication port provided to the drain tank. The buffer tank communicates with the atmosphere through the atmosphere communication port.

Abstract: The invention provides n electrochemical device containing a negative electrode having a negative electrode material layer at least on a surface; a positive electrode having a positive electrode material layer at least on a surface; and a solid polymer electrolyte of fine composite particles disposed between the negative electrode and the positive electrode. Each of the fine composite particles comprises a polymer brush layer of polymer graft chains. The fine composite particles form a substantially three-dimensional ordered array structure, and a continuous ion-conductive network channel is formed in each gap of the fine particles. The negative or positive electrode or electrode material layer have gaps filled with the fine composite particles.

Abstract: A method and apparatus for time-of-flight (TOF) mass spectrometry. The apparatus improves the ion focusing properties in an orthogonal direction and permits connection with an orthogonal-acceleration ion source for improvement of sensitivity. The apparatus comprises an ion source for emitting ions in a pulsed manner, an analyzer for realizing a helical trajectory, and a detector for detecting the ions. The analyzer is composed of plural laminated toroidal electric fields to realize the helical trajectory.

Abstract: A printing apparatus includes an overflow tube into which ink overflowed from a buffer tank flows, an overflow tank to which the overflow tube is connected, a drain tank to which ink is drained from the overflow tank, and an atmosphere communication port provided to the drain tank. The buffer tank communicates with the atmosphere through the atmosphere communication port.

Abstract: A printing apparatus includes a first circulation pump which is provided in a channel between a print head and a first storage tank and which supplies ink from a second storage tank to the print head. The printing apparatus further includes a second circulation pump which is provided in a channel between the first storage tank and the second storage tank which supplies ink from the first storage tank to the second storage tank. The printing apparatus further includes a control unit which controls the driving of the first circulation pump and second circulation pump, and a detecting unit which detects the amount of ink stored in the second storage tank. The control unit controls the driving of the second circulation pump on the basis of a detection result by the detecting unit.

Abstract: A method and apparatus for time-of-flight (TOF) mass spectrometry. The apparatus improves the ion focusing properties in an orthogonal direction and permits connection with an orthogonal-acceleration ion source for improvement of sensitivity. The apparatus comprises an ion source for emitting ions in a pulsed manner, an analyzer for realizing a helical trajectory, and a detector for detecting the ions. The analyzer is composed of plural laminated toroidal electric fields to realize the helical trajectory.

Abstract: An apparatus includes a recording head having a sealing portion arranged in proximity to nozzle arrays and protruding beyond a nozzle surface. A wiper unit configured to wipe the nozzle surface of the recording head has a first wiper blade and a second wiper blade, and the first wiper blade is arranged to be inclined by an angle ?1 (?1>0) with respect to a direction orthogonal to the wiping direction within a plane parallel to the nozzle surface, while the second wiper blade is arranged to be inclined by an angle ?2 (?2<0) with respect to the direction orthogonal to the wiping direction within the plane.

Abstract: A method and apparatus for time-of-flight (TOF) mass spectrometry. The apparatus improves the ion focusing properties in an orthogonal direction and permits connection with an orthogonal-acceleration ion source for improvement of sensitivity. The apparatus comprises an ion source for emitting ions in a pulsed manner, an analyzer for realizing a helical trajectory, and a detector for detecting the ions. The analyzer is composed of plural laminated toroidal electric fields to realize the helical trajectory.

Abstract: A mass spectrometer is equipped with a MAILDI ion source facilitating both individual management of sample plates and mass calibration based on information about distortion in the sample plates. Also, sample plates adapted to be used in the MALDI ion source are provided. Identification information about each sample plate and information about distortion, i.e., topography, in the surface of the sample plate are engraved on the surface of the sample plate. These sets of information are also registered as an electronic file. During measurement, these sets of information are read by observation means and used for individual management of sample plates and mass calibration of mass spectra.

Abstract: This invention relates to a coating formulation for manufacturing an electrode plate, which contains a solution of a hydroxyalkylchitosan and an organic acid and/or its derivative in an aprotic polar solvent, and an active material added to the solution and kneaded with the solution, the electrode plate, a manufacturing process of the electrode plate, a battery, a capacitor, and an undercoating formulation. According to this invention, a coating formulation for manufacturing an electrode plate for a nonaqueous electrolyte secondary battery or an electrode plate for an electric double layer capacitor having excellent adhesion and improved contact resistance between an active material layer and a collector, the electrode plate, its manufacturing process, the battery and the capacitor can be provided.

Abstract: A method and apparatus for time-of-flight (TOF) mass spectrometry. The apparatus improves the ion focusing properties in an orthogonal direction and permits connection with an orthogonal-acceleration ion source for improvement of sensitivity. The apparatus comprises an ion source for emitting ions in a pulsed manner, an analyzer for realizing a helical trajectory, and a detector for detecting the ions. The analyzer is composed of plural laminated toroidal electric fields to realize the helical trajectory.

Abstract: A method and apparatus for time-of-flight (TOF) mass spectrometry. The apparatus improves the ion focusing properties in an orthogonal direction and permits connection with an orthogonal-acceleration ion source for improvement of sensitivity. The apparatus comprises an ion source for emitting ions in a pulsed manner, an analyzer for realizing a helical trajectory, and a detector for detecting the ions. The analyzer is composed of plural laminated toroidal electric fields to realize the helical trajectory.

Abstract: A mass spectrometer is equipped with a MAILDI ion source facilitating both individual management of sample plates and mass calibration based on information about distortion in the sample plates. Also, sample plates adapted to be used in the MALDI ion source are provided. Identification information about each sample plate and information about distortion, i.e., topography, in the surface of the sample plate are engraved on the surface of the sample plate. These sets of information are also registered as an electronic file. During measurement, these sets of information are read by observation means and used for individual management of sample plates and mass calibration of mass spectra.