Abstract: The impurity concentration in the oxide semiconductor film is reduced, and a highly reliability can be obtained.

Abstract: To provide an odor sensor capable of using an additive that was not capable of being adopted in an odor sensor including a polymer film, an odor measurement system using the odor sensor, and a method for producing the odor sensor, an odor sensor comprises a plurality of sensor elements, the sensor element including a substance absorption film adsorbing an odor substance; and a detection unit detecting adsorption of the odor substance with respect to the substance absorption film, wherein the substance absorption film is a porous fine particle film that contains fine particles containing a compound having silicon and oxygen as a skeleton, and a surface modifier for modifying surfaces of the fine particles, and in at least a part of the plurality of sensor elements, compositions of the fine particles and/or the surface modifier are different from each other.

Abstract: To provide a heat generating material in which a decrease in hydrogen absorption performance and amount of heat generation can be suppressed at the time of use at a high temperature, and physical properties such as hydrogen absorption performance and amount of heat generation are further improved. The heat generating material includes: a first metal having a melting point of 230° C. or more; and a second metal having a melting point higher than the melting point of the first metal, in which, at this time, at least one of the first metal or the second metal has a hydrogen solubility greater than silver at a temperature less than the melting point of the second metal, a hydride of at least one of the first metal or the second metal has a standard enthalpy of formation equal to or more than a standard enthalpy of formation of CaH2, and heat is generated when the first metal and the second metal come into contact with hydrogen gas at a temperature less than the melting point of the second metal.

Abstract: A pneumatic tire has a main groove (3) provided to a tread part (2). A groove bottom (12) includes a protrusion portion (13) that is convex outward in a tire radial direction. The protrusion portion (13) continues along the main groove (3). The width (W3) of the protrusion portion (13) in a direction perpendicular to a groove center line (G1) of the main groove (3) is 50% to 100% of the groove width (W1) of the main groove (3). The protrusion portion (13) juts outward in the tire radial direction from an imaginary groove bottom (12A) that connects an inner end (10i) of a first groove wall (10) and an inner end (11i) of a second groove wall (11) in a straight line, and the cross-sectional area of the protrusion portion (13) is 3% to 15% of the transverse cross-sectional area of the main groove (3).

Abstract: Provided is a redox catalyst wherein a catalytically active component is supported on carbon nanotubes whose average diameter (Av) and standard deviation (?) of diameters satisfy the condition 0.60>3?/Av>0.20, and at least a part of a surface of the carbon nanotubes, including a part on which the catalytically active component is supported, is covered with porous inorganic material.

Abstract: Some embodiments provided herein relate to metal particles, methods of making, and methods of using such metal particles. In some embodiments, metal particles can be coated in silica and can be used as part of a power transmission system.

Abstract: Provided is a redox catalyst wherein a catalytically active component is supported on carbon nanotubes whose average diameter (Av) and standard deviation (?) of diameters satisfy the condition 0.60>3?/Av>0.20, and at least a part of a surface of the carbon nanotubes, including a part on which the catalytically active component is supported, is covered with porous inorganic material.

Abstract: Water discharge performance and noise performance are improved in a balanced manner. A pneumatic tire has a main groove (3) provided to a tread part (2). In a transverse cross section, the main groove (3) has a first groove wall (10), a second groove wall (11), and a groove bottom (12). The groove bottom (12) includes a protrusion portion (13) that is convex outward in a tire radial direction. The protrusion portion (13) continues along the main groove (3). The width (W3) of the protrusion portion (13) in a direction perpendicular to a groove center line (G1) of the main groove (3) is 50% to 100% of the groove width (W1) of the main groove (3). The protrusion portion (13) juts outward in the tire radial direction from an imaginary groove bottom (12A) that connects an inner end (10i) of the first groove wall and an inner end (11i) of the second groove wall in a straight line, and the cross-sectional area of the protrusion portion (13) is 3% to 15% of the transverse cross-sectional area of the main groove (3).

Abstract: A pneumatic tire comprises a tread portion provided with a plurality of blocks, each of the block having a block wall surface facing a transverse groove inclined at an angle (theta) of from 5 to 40 degrees with respect to the tire axial-direction so as to define an acute-angled corner and an obtuse-angled corner on the block. The block wall surface between the acute-angled corner and the obtuse-angled corner is provided with at least two slits having a width of from 0.3 to 2.0 mm. A distance P2 measured from the acute-angled corner to one of the at least two slits which is nearest to the acute-angled corner is more than a distance P1 measured from said obtuse-angled corner to one of said at least two slits which is nearest to the obtuse-angled corner; each distance is measured along the radially outer edge of the block wall surface to the widthwise center of the slit.

Abstract: An electrode material, including: catalyst particles formed by performing inclusion, by a porous inorganic material, for a conductive support and metal particles arranged on the conductive support and/or metal particles brought into contact with the conductive support.

Abstract: Some embodiments provided herein relate to metal particles, methods of making, and methods of using such metal particles. In some embodiments, metal particles can be coated in silica and can be used as part of a power transmission system.

Abstract: A heavy duty pneumatic tire comprises a tread portion provided with a circumferentially continuously extending longitudinal groove disposed on each side of the tire equator, and oblique grooves extending axially inwardly from the longitudinal groove at an inclination angle of 20 to 40 degrees with respect to the tire axial direction. The longitudinal groove is provided with a sound insulation wall disposed therein so as to rise from the groove bottom. The sound insulation wall extends continuously in the circumferential direction in a zigzag manner so as to have axially inner points and axially outer points at turning points of the zigzag. The distance between the sound insulation wall and the axially inner edge of the longitudinal groove is varied periodically in the tire circumferential direction so that the distance becomes minimal at the junctions of the longitudinal groove with the axially inner oblique grooves.

Abstract: A pneumatic tire comprises a tread portion provided with a plurality of blocks, each of the block having a block wall surface facing a transverse groove inclined at an angle (theta) of from 5 to 40 degrees with respect to the tire axial-direction so as to define an acute-angled corner and an obtuse-angled corner on the block. The block wall surface between the acute-angled corner and the obtuse-angled corner is provided with at least two slits having a width of from 0.3 to 2.0 mm. A distance P2 measured from the acute-angled corner to one of the at least two slits which is nearest to the acute-angled corner is more than a distance P1 measured from said obtuse-angled corner to one of said at least two slits which is nearest to the obtuse-angled corner; each distance is measured along the radially outer edge of the block wall surface to the widthwise center of the slit.

Abstract: A method for tire rolling simulation on mud comprises the steps of modeling a tire using finite elements to build a tire model, modeling a muddy road using finite volumes to build a muddy road model which can exhibit elastoplasticity property and failure property, and executing a numerical simulation in which the tire model is made to roll on the muddy road model in a predetermined condition.

Abstract: A device and a method for making a tire puncture sealant having a higher concentration of propylene glycol are disclosed, wherein the device comprises: a container having a cylindrical space for a mixed solution of rubber latex and a tackifier; a squirter comprising at least one spout for pouring propylene glycol on the surface of the mixed solution in the container at a rate of 0.01 to 1.0 liter/minute per spout; and an agitator for the mixed solution in the container, comprising a stirring blade rotatable in the mixed solution to cause said surface a current speed of the mixed solution in a range between about 1.0 and about 10.0 meter/second during pouring the propylene glycol.

Abstract: A method for tire rolling simulation on mud comprises the steps of modeling a tire using finite elements to build a tire model, modeling a muddy road using finite volumes to build a muddy road model which can exhibit elastoplasticity property and failure property, and executing a numerical simulation in which the tire model is made to roll on the muddy road model in a predetermined condition.

Abstract: An electrode material, including: catalyst particles formed by performing inclusion, by a porous inorganic material, for a conductive support and metal particles arranged on the conductive support and/or metal particles brought into contact with the conductive support.

Abstract: A switching amplifier of the invention boasts of an enhanced SN ratio in its output and an increased amplitude limit value in its input signal. The switching amplifier has a quantized signal generating section that converts an input signal to generate a quantized signal in the form of a PDM or PWM signal and a constant-current-outputting current amplification section that current-amplifies the quantized signal outputted from the quantized signal generating section. The quantized signal generating section and the current amplification section are formed by the same process. Another switching amplifier of the invention is inexpensive and is not affected by voltage fluctuations in the supply voltage.

Abstract: A pneumatic tire comprising a tread portion having tread elements each provided with a sipe, wherein the sipe is open to a upper surface of the tread element, and has an open top end including a zigzag part and a bottom, wherein the sipe comprises: a first portion in which the zigzag part of the open top end extends to a side of the bottom in a state of being inclined to one side of a longitudinal direction of the sipe; a second portion connected to an inner side in a radial direction of the first portion, and in which the zigzag part extends to the side of the bottom in a state of being inclined in an opposite direction to the first portion; and a third portion connected to an inner side in a radial direction of the second portion, and in which the zigzag part extends to the side of the bottom in a state of being inclined in an opposite direction to the second portion, and the sipe satisfies the following relation (1): ?1>?2>?3??(1) where ?1 is a ratio (a1/h1) between a displacement length a1 of the

Abstract: A method for tire rolling simulation on sand comprises the steps of modeling a tire using finite elements to build a tire model, modeling a sandy road using finite volumes to build a sandy road model which can exhibit elastoplasticity with both elastic and plastic properties, and executing a numerical simulation in which the tire model is made to roll on the sandy road model in a predetermined condition.