Abstract: Provided is a mass spectrometry device capable of, when an abnormality in a voltage applied to an electrode is detected, easily isolating the location of the cause. This mass spectrometry device comprises a quadrupole electrode and a power supply circuit (200) for generating a radio frequency voltage to be applied to the quadrupole electrode, wherein the power supply circuit (200) is provided with an analog multiplier (205) and applies the radio frequency voltage generated by the power supply circuit to the quadrupole electrode in a state where the amplitude of an output signal from the analog multiplier (205) is controlled in an RF tuning mode so as to reach a target amplitude of the radio frequency voltage by feeding back the amplitude of the output signal from the analog multiplier (205).

Abstract: A signal detection device including: detection equipment including a photoelectric conversion element configured to convert a photon as a detection target into a current signal, and a current-voltage converter configured to convert the current signal into a voltage signal; a transmission unit configured to transmit the voltage signal; and a data collection unit configured to detect and collect the transmitted voltage signal. Here, the detection equipment is disposed inside a first shield case connected to a frame ground. The current-voltage converter includes a differential amplifier having first and second input terminals, the first input terminal is connected to a first output terminal of the photoelectric conversion element via a first input resistor, the second input terminal is connected to a second output terminal of the photoelectric conversion element and a ground via a second input resistor having a resistance value larger than that of the first input resistor.

Abstract: A signal detection device including: detection equipment including a photoelectric conversion element configured to convert a photon as a detection target into a current signal, and a current-voltage converter configured to convert the current signal into a voltage signal; a transmission unit configured to transmit the voltage signal; and a data collection unit configured to detect and collect the transmitted voltage signal. Here, the detection equipment is disposed inside a first shield case connected to a frame ground. The current-voltage converter includes a differential amplifier having first and second input terminals, the first input terminal is connected to a first output terminal of the photoelectric conversion element via a first input resistor, the second input terminal is connected to a second output terminal of the photoelectric conversion element and a ground via a second input resistor having a resistance value larger than that of the first input resistor.

Abstract: A processing device processes a frame-shaped workpiece which extends in a prescribed extension direction, and includes, integrally, a plate-shaped web surface portion, a plate-shaped first flange portion that bends and extends from one end of the web surface portion, and a plate-shaped second flange portion which bends from the other end of the web surface portion and extends in the opposite direction to the first flange portion. The processing device includes a shaping device which conveys the workpiece in the extension direction, and an exit side pinch roll device provided further downstream, in the workpiece conveying flow direction, than the shaping device. The exit side pinch roll device includes a first roll which presses a central region of an upper surface side of the web surface portion, and a second roll which presses a central region of a lower surface side of the web surface portion.

Abstract: A positive high voltage, a first terminal of a semiconductor element, and a first terminal of a first resistance element are connected to a first terminal of a first current controller. A current input terminal of a first active element is connected to a second terminal of the first current controller, and a second terminal of the semiconductor element and a second terminal of the first resistance element are connected to a control terminal of the first active element. A second resistance element is connected between a current output terminal and a control terminal of the first active element. The first current controller allows a drive current corresponding to an input signal to flow in the first active element and allows the drive current output from the first active element to flow into a load, thereby generating an output voltage.

Abstract: A processing device processes a frame-shaped workpiece which extends in a prescribed extension direction, and includes, integrally, a plate-shaped web surface portion, a plate-shaped first flange portion that bends and extends from one end of the web surface portion, and a plate-shaped second flange portion which bends from the other end of the web surface portion and extends in the opposite direction to the first flange portion. The processing device includes a shaping device which conveys the workpiece in the extension direction, and an exit side pinch roll device provided further downstream, in the workpiece conveying flow direction, than the shaping device. The exit side pinch roll device includes a first roll which presses a central region of an upper surface side of the web surface portion, and a second roll which presses a central region of a lower surface side of the web surface portion.

Abstract: A positive high voltage, a first terminal of a semiconductor element, and a first terminal of a first resistance element are connected to a first terminal of a first current controller. A current input terminal of a first active element is connected to a second terminal of the first current controller, and a second terminal of the semiconductor element and a second terminal of the first resistance element are connected to a control terminal of the first active element. A second resistance element is connected between a current output terminal and a control terminal of the first active element. The first current controller allows a drive current corresponding to an input signal to flow in the first active element and allows the drive current output from the first active element to flow into a load, thereby generating an output voltage.

Abstract: A workpiece processing method includes: a section roll forming step of subjecting a flat plate shaped workpiece to forming to impart a prescribed cross-sectional shape thereto; a solution heat treatment step of subjecting the workpiece, after the section roll forming step has been performed, to solution heat treatment; a contour roll forming step of subjecting the workpiece, after the solution heat treatment step has been performed, to forming to bend the workpiece into an arcuate shape; and a stretch forming step of subjecting the workpiece, after the contour roll forming step has been performed, to forming to impart a curved shape, following a curved surface of a die, to the workpiece by bringing the workpiece into contact with the curved surface and inputting a tension load to the workpiece.

Abstract: A stretch forming device includes a die and gripping portions gripping both end portions of an elongate material. The cross-sectional shape of the die has a curved shape bulging a central side of a forming surface; the length in a longitudinal direction of the elongate material is less than that of the forming surface; a second die having a second forming surface along the forming surface is installed removably on a central portion of the forming surface; and the stretch forming device has a first mode wherein, when the second die is installed on the forming surface, only the second die is pressed against the elongate material while a tensile force is applied to the elongate material, and a second mode wherein, when the second die is removed from the forming surface, the die is pressed against the elongate material while a tensile force is applied to the elongate material.

Abstract: An image analysis apparatus, which analyzes orientations of fiber bundles of X-yarns and Y-yarns from a three-dimensional image of a woven fabric made of fiber bundles of the X-yarns, the Y-yarns, and Z-yarns, includes: a binarization unit that binarizes the three-dimensional image; an overlapping area extraction unit that extracts an overlapping area from the binarized image; a reference direction determination unit that averages an overlapping direction of each voxel included in the overlapping area and determines the averaged direction as a reference direction; a Z-yarn removal unit that removes the Z-yarns from the binarized image by applying a directional distance method on a reference plane perpendicular to the reference direction; and a fiber bundle orientation estimation unit that applies the directional distance method on the reference plane and estimates the orientations of the fiber bundles of the X-yarns and the Y-yarns based on a calculated directional distance.

Abstract: An image analysis apparatus, which analyzes orientations of fiber bundles of X-yarns and Y-yarns from a three-dimensional image of a woven fabric made of fiber bundles of the X-yarns, the Y-yarns, and Z-yarns, includes: a binarization unit that binarizes the three-dimensional image; an overlapping area extraction unit that extracts an overlapping area from the binarized image; a reference direction determination unit that averages an overlapping direction of each voxel included in the overlapping area and determines the averaged direction as a reference direction; a Z-yarn removal unit that removes the Z-yarns from the binarized image by applying a directional distance method on a reference plane perpendicular to the reference direction; and a fiber bundle orientation estimation unit that applies the directional distance method on the reference plane and estimates the orientations of the fiber bundles of the X-yarns and the Y-yarns based on a calculated directional distance.

Abstract: A compound shown by the general formula [1]: (Wherein, R1 and R2 are each independently a hydrogen atom, a lower alkyl group or a cyano group, and is an optionally substituted heterocyclic compound.); or a salt thereof.

Abstract: A compound shown by the general formula [1]: 1

Abstract: Azoamidine compounds shown by the general formula [1] ##STR1## wherein R.sup.1 and R.sup.2 are independently a lower alkyl group, R.sup.3 and R.sup.4 are independently a hydrogen atom or a lower alkyl group, and X is a divalent hydrocarbon group, or its hydrate, show high reactivity and are capable of forming an intramolecule salt with an amidino group and having high solubility into water, methanol and other solvents.

Abstract: A compound shown by the general formula [1] ##STR1## wherein R.sup.1 and R.sup.2 are independently a lower alkyl group or a cyano group, R.sup.3 is a lower alkyl group and X is a lower alkylene group, showing high solubility into various kinds of polar solvents and are capable of effectively introducing hydroxy groups into terminal positions of polymers and their use.