Abstract: A measurement value acquisition unit acquires measurement values from a plurality of sensors. A posture calculation unit calculates a posture of an attachment with respect to a vehicle body based on the measurement values. An intervention control unit determines a virtual rotation axis based on the calculated posture of the attachment. An operation signal acquisition unit acquires an operation signal for operating the support portion from an operation device. An intervention control unit generates a control signal for the tilt rotator to rotate the attachment around the virtual rotation axis so that an axial direction of the virtual rotation axis in a global coordinate system is held and a design surface and teeth of the attachment are approximately parallel to each other, based on the calculated posture of the attachment and an operation amount indicated by the operation signal for operating the support portion. An output unit outputs the generated control signal.

Abstract: A measured value acquisition unit acquires measured values from a plurality of sensors. A position and posture calculation unit calculates a current posture of the work tool, based on the measured values. A target posture determination unit determines a virtual rotation axis, based on the calculated current posture of the work tool, when a predetermined control start condition is satisfied. A rotation amount calculation unit generates a control signal of the tilt rotator for rotating the work tool from the current posture to a target posture by a predetermined amount around the virtual rotation axis. A control signal output unit outputs the generated control signal.

Abstract: A measurement value acquisition unit acquires measurement values from a plurality of sensors. A posture calculation unit calculates a posture of an attachment with respect to a vehicle body based on the measurement values. An operation signal acquisition unit acquires an operation signal from an operation device. An intervention control unit generates a control signal for the tilt rotator so that the posture of the attachment is held, based on the operation signal. An output unit outputs the generated control signal.

Abstract: Provided is a nucleic acid isolation method whereby it becomes possible to extract a nucleic acid in a simple manner without the need to use an alcohol. A nucleic acid isolation method, comprising the steps of: mixing a specimen containing a nucleic acid with an extraction solution to disperse the nucleic acid in the extraction solution; bringing the extraction solution containing the nucleic acid into contact with an anionic adsorbent; bringing a washing solution into contact with the anionic adsorbent; and bringing a collection solution into contact with the anionic adsorbent, the extraction solution containing a protein denaturant, the washing solution containing a basic compound and having a pH value equal to or less than a pKa value of a conjugate acid of the basic compound, and the collection solution having a pH value equal to or more than the pKa value of the conjugate acid of the basic compound.

Abstract: In a piezoelectric element and an actuator, the piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode provided on the substrate in this order, in which the first piezoelectric film and the second piezoelectric film each have a perovskite-type oxide as a main component, and one of the first piezoelectric film and the second piezoelectric film is an epitaxial film and the other is a uniaxial alignment film.

Abstract: An optical coupling device including multiple optical fibers each of which includes at least one core; and a self-forming optical waveguide, wherein the optical fibers are arranged facing each other, and the self-forming optical waveguide is provided between the optical fibers, an end portion of the self-forming optical waveguide is optically connected to the core of each optical fiber, the cores of the optical fibers arranged facing each other are optically connected to each other through the self-forming optical waveguide in a linear shape, optical axis directions of the optical fibers optically connected to each other through the self-forming optical waveguide are parallel with each other, and an end portion of each core is diagonally formed with an inclination angle according to a refractive index of each core and a refractive index of the self-forming optical waveguide.

Abstract: An object is to provide a drug which is useful in treating a nervous system disease. A drug containing vitamin B12 as an active ingredient according to the present invention has an M2 macrophage/microglia induction promoting effect, an M1 macrophage/microglia induction inhibiting effect, a nerve regeneration promoting effect, and the like and is very useful as a therapeutic agent for a nervous system disease, and particularly useful as a therapeutic agent for a central nervous system disease such as cerebral infarction, dementia, or spinal cord injury.

Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb Zr, Ti, and M, as a main component, Pb composition ratios in the perovskite-type oxides contained in the first piezoelectric film and the second piezoelectric film are different from each other, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.

Abstract: A piezoelectric element includes a substrate, a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode, in which both the first piezoelectric film and the second piezoelectric film have spontaneous polarizations aligned in a film thickness direction and directions of the spontaneous polarizations are the same, and in a case where in a hysteresis curve of one piezoelectric film, a coercive voltage Vcf+, a coercive voltage Vcf?, |Vcf+?Vcf?|=?Vcf, and the larger of an absolute value of Vcf+ and an absolute value of Vcf? is denoted by Vcf, and in a hysteresis curve of the other piezoelectric film, a coercive voltage Vcr+, a coercive voltage Vcr?, |Vcr+?Vcr?|=?Vcr, and the larger of an absolute value of Vcr+ and an absolute value Vcr? is denoted by Vcr, ?Vcr<?Vcf?0.2 and Vcr<Vcf?0.2 are satisfied.

Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain PZT having a metal element M doped thereto, as a main component, one piezoelectric film of the first piezoelectric film and the second piezoelectric film has a spontaneous polarization aligned in a film thickness direction, and in a case where in a hysteresis curve showing polarization-voltage characteristics of the one piezoelectric film, a coercive voltage Vcf+ on a positive side and a coercive voltage Vcf? on a negative side, and in polarization-voltage characteristics of the other piezoelectric film, a coercive voltage Vcr+ on a positive side and a coercive voltage Vcr? on a negative sid, |Vcr++Vcr?|<|Vcf++Vcf?|?0.2 is satisfied.

Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb at an A site and containing Zr, Ti, and M at a B site as a main component, an M composition ratio in the first piezoelectric film is different from an M composition ratio in the second piezoelectric film, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.

Abstract: An electronic stethoscope includes: a biological sound sensor that detects a biological sound and outputs an analog-format biological sound signal; an analog system that processes the biological sound signal without converting the biological sound signal into a digital signal and outputs the biological sound signal to an outside; and a digital system that converts the biological sound signal into the digital signal and outputs the biological sound signal.

Abstract: An object is to provide a drug which is useful in treating a nervous system disease. A drug containing vitamin B12 as an active ingredient according to the present invention has an M2 macrophage/microglia induction promoting effect, an M1 macrophage/microglia induction inhibiting effect, a nerve regeneration promoting effect, and the like and is very useful as a therapeutic agent for a nervous system disease, and particularly useful as a therapeutic agent for a central nervous system disease such as cerebral infarction, dementia, or spinal cord injury.

Abstract: An object is to provide a drug which is useful in treating a nervous system disease. A drug containing vitamin B12 as an active ingredient according to the present invention has an M2 macrophage/microglia induction promoting effect, an M1 macrophage/microglia induction inhibiting effect, a nerve regeneration promoting effect, and the like and is very useful as a therapeutic agent for a nervous system disease, and particularly useful as a therapeutic agent for a central nervous system disease such as cerebral infarction, dementia, or spinal cord injury.

Abstract: The piezoelectric laminate and the piezoelectric element have, on a substrate in the following order, a lower electrode layer and a piezoelectric film containing a perovskite-type oxide, in which the lower electrode layer includes the metal layer containing Ni and a surface layer containing a Ni oxide or a Ni oxynitride, and in the lower electrode layer, the surface layer is arranged on the side closest to the piezoelectric film.

Abstract: A stethoscope comprising: a support base having a contact surface that comes into contact with an object to be measured, a rear surface provided on a side opposite to the contact surface, and a side surface that connects the contact surface and the rear surface to each other and has a neck portion having a diameter smaller than a diameter of each of the contact surface and the rear surface; a piezoelectric film that is supported by the support base and detects a vibration caused by a sound generated from the object to be measured; a first sound absorbing material that is provided on an outer surface of the rear surface; and a second sound absorbing material that is provided on an outer surface of the side surface on a side of the contact surface with respect to the neck portion.

Abstract: The piezoelectric laminate and the piezoelectric element have, on a substrate in the following order, a lower electrode layer and a piezoelectric film containing a perovskite-type oxide, in which the lower electrode layer contains a Ta element, contains a Ta nitride on a side closest to the piezoelectric film in a thickness direction of the lower electrode layer, and includes a region where a content of the Ta element changes in the thickness direction, and the change in the content of the Ta element in the thickness direction is continuous.

Abstract: Provided is a transport device including a feeding unit on which a roll-type medium is set and which feeds the medium by rotating the medium, and an endless transport belt that transports the medium in a transport direction by supporting the medium fed out from the feeding unit and rotating. When seen from a support direction in which the transport belt supports the medium, the feeding unit is configured to change the posture thereof so as to incline a rotating shaft of the medium with respect to a width direction that is a direction intersecting the transport direction.

Abstract: An object is to provide a drug which is useful in treating a nervous system disease. A drug containing vitamin B12 as an active ingredient according to the present invention has an M2 macrophage/microglia induction promoting effect, an M1 macrophage/microglia induction inhibiting effect, a nerve regeneration promoting effect, and the like and is very useful as a therapeutic agent for a nervous system disease, and particularly useful as a therapeutic agent for a central nervous system disease such as cerebral infarction, dementia, or spinal cord injury.

Abstract: A printing apparatus includes a printing unit that performs printing on a printing medium, a transporting belt that transports the printing medium and has an endless shape, and a belt-driving roller that causes the transporting belt to circulate and has a cylindrical shape. In the transporting belt, a magnetic scale having a magnetic pole changing at a predetermined pitch is arranged along a transport direction of the printing medium. The belt-driving roller includes an outer circumferential surface constituted of a magnet body, and is in contact with the transporting belt at the outer circumferential surface. The circumferential length of the outer circumferential surface of the belt-driving roller is an integer multiple of the pitch of the magnetic scale.