Abstract: An immersion cooling system miniaturized by the omission of a pump and heat exchanger includes a first casing for containing a non-conductive coolant in which a heat-generating component is immersed, fins disposed on and located outside the first casing, and a second casing. The first casing is disposed in the second casing, and the second casing defines a first vent hole exposing the fins. The immersion cooling system dissipates heat by means of natural convection.

Abstract: A core material has a core 12; a solder layer 16 made of a (Sn—Bi)-based solder alloy provided on an outer side of the core 12; and a Sn layer 20 provided on an outer side of the solder layer 16. The core contains metal or a resin. When a concentration ratio of Bi contained in the solder layer 16 is a concentration ratio (%)=a measured value of Bi (% by mass)/a target Bi content (% by mass), or a concentration ratio (%)=an average value of measured values of Bi (% by mass)/a target Bi content (% by mass), the concentration ratio is 91.4% to 106.7%. The thickness of the Sn layer 20 is 0.215% or more and 36% or less of the thickness of the solder layer 16.

Abstract: A containing apparatus for volatile liquid includes a container for receiving a volatile liquid, a breathable membrane, a rupturable substrate, an upper casing, and a pressing member. An accommodating portion of the container has a receiving opening. The rupturable substrate covers the receiving opening for retaining the volatile liquid therein without leakage in a non-use state. The breathable membrane is disposed above the rupturable substrate. The upper casing is disposed above the breathable membrane and has a through-hole. The pressing member is movably connected to the upper casing and can be pressed toward the breathable membrane and the rupturable substrate. The breathable membrane is arranged between the pressing member and the rupturable substrate. A part of the pressing member can pass through the through-hole and break the rupturable substrate to form a breaking hole, yet the breathable membrane is not broken.

Abstract: An apparatus for generating signal waveform for biological stimulation capable of generating and outputting a biological stimulation signal wave, from a signal existing in the external environment, reflected from the signal, which includes a signal input unit for inputting an external signal from the external environment and an output waveform generation unit for generating and outputting a first biological stimulation signal wave modulated with at least one of a frequency component, an envelope component and an amplitude component included in the external signal acquired by the signal input unit and/or synchronized with an output timing of the external signal.

Abstract: A conductive terminal includes a first fixing portion, a first mating portion, a second fixing portion and a second mating portion. The second mating portion and the first mating portion are arranged side by side along a first direction. The first mating portion includes a first elastic piece extending along a second direction. The first elastic piece includes a first elastic contact portion. The second mating portion includes a second elastic piece. The second elastic piece includes a second elastic contact portion. The first elastic contact portion extends along a first arc-shaped surface. The second elastic contact portion extends along a second arc-shaped surface. Protruding directions of the first arc-shaped surface and the second arc-shaped surface are opposite to each other along the first direction. An electrical connector and an electrical connector assembly having the conductive terminal are disclosed.

Abstract: A magnesium oxide powder includes a magnesium oxide particle, wherein the number of an open pore communicating with a surface of the magnesium oxide particle measured by a specific measurement method is 8.0×10?4/?m2 or less.

Abstract: A load balancing method, apparatus and device for a parallel model training task, and a computer-readable storage medium, includes: acquiring data traffic and a theoretical computational amount of each network layer in a target model; determining a theoretical computing capability of each computing device, and obtaining an initial computational amount corresponding to each computing device according to the theoretical computing capability and the theoretical computational amount; performing a load balancing operation according to the initial computational amount by using multiple device critical layer position division rule, so as to obtain a plurality of initial balancing schemes; compiling statistics on time performance parameters corresponding to the initial balancing schemes, and determining an intermediate balancing scheme from the initial balancing schemes according to the time performance parameters; and adjusting the intermediate balancing scheme according to the data traffic, so as to obtain a final

Abstract: A key structure includes an upper cover, a movable element, an elastic element, a pressure sensing module, a base, and a circuit board. The pressure sensing module is arranged on the base, and the pressure sensing module is electrically connected with the circuit board. The pressure sensing module includes a pressure sensing element and a conducting element, and the pressure sensing element is configured for contacting with the movable element after being pressed, monitoring a pressure on the movable element, and converting the pressure into a pressure signal; the conducting element is configured for conducting the pressure signal to the circuit board.

Abstract: A semiconductor device includes a substrate, an adhesive layer formed on a lower surface of the substrate, a semiconductor element adhered to a lower surface of the adhesive layer, a through hole extending through the substrate and the adhesive layer and exposing a first electrode arranged on an upper surface of the semiconductor element, a via wiring formed in the through hole, a wiring layer formed on an upper surface of the substrate and electrically connected to the first electrode through the via wiring, and a protective insulation layer formed on the lower surface of the adhesive layer. The protective insulation layer covers an entirety of all side surfaces of the semiconductor element and a peripheral part of a lower surface of the semiconductor element and exposes a central part of the lower surface of the semiconductor element.

Abstract: An electrostatic chuck includes a base plate that is made of a metal; a ceramic plate that is fixed to the base plate and configured to adsorb an object by electrostatic force; and a bonding layer that is provided between the base plate and the ceramic plate to bond the base plate and the ceramic plate to each other. The bonding layer is formed of a composite material including the metal forming the base plate and a ceramic forming the ceramic plate.

Abstract: An electrostatic chuck is configured to adsorb and retain an object thereon. The electrostatic chuck includes: a base body on which the object is mounted; an electrostatic electrode that is provided in the base body; a plurality of heating elements that are provided in the base body; a plurality of current control elements that are provided in the base body, and each of which is connected in series with a corresponding one of the heating elements; and a control circuit that is provided in the base body, and that is connected to the current control elements and configured to control operations of the current control elements.

Abstract: A rocking arm structure includes an arm body, a first wheel assembly connected to the arm body, a second wheel assembly connected to the arm body, and a shaft assembly disposed between the first wheel assembly and the second wheel assembly. The arm body can rotate relative to the main body around the shaft assembly, and drive the first wheel assembly and the second wheel assembly to revolve in a same direction around the shaft assembly. The first wheel assembly and the second wheel assembly are both steering wheel assemblies or both directional wheel assemblies.

Abstract: A soldering apparatus includes a cooling zone, upper and lower vent holes, an external channel, a blower unit, a heat exchanger, a pair of bypass channels, and a ventilation plate. The vent holes are provided, respectively, above and below a pair of rails configured to transport a board in the cooling zone. The external channel connects the vent holes with each other outside the cooling zone. The blower unit causes gas in the external channel to flow through the upper vent hole, the cooling zone, and the lower vent hole. The heat exchanger is provided in a lower opening linked to the lower vent hole in the cooling zone. The pair of bypass channels deliver gas above the pair of rails to the lower opening while bypassing locations of the pair of rails. The ventilation plate is provided in a space formed between the pair of bypass channels.

Abstract: A gold-supported carbon catalyst includes gold fine particles supported on carbon black, wherein the gold fine particles are coordinated by an alkanethiol at a coverage of from 10% to 70%, and wherein the gold fine particles have an average particle diameter of from 1.0 nm to 1.5 nm.

Abstract: An object of the present invention is to provide a novel composition for promoting the secretion of FGF21. The object is achieved by a composition for promoting the secretion of FGF21, including a Bifidobacterium bacterium as an active ingredient.