Abstract: An optical fiber splicing tray is disclosed. The optical fiber splicing tray may include: an optical fiber splicing tray body; and a marker detachably connected to the optical fiber splicing tray body, where the marker is arranged at a position facilitating observation and identification of the marker when a plurality of optical fiber splicing trays are stacked.

Abstract: A method of manufacturing a press-fit apparatus suitable for press-fitting multiple connectors to a circuit board is provided. A machine press head that is movable by a power supplier of the press-fit apparatus is provided. A universal press block is fixed to the machine press head to allow the universal press block to be movable with the machine press head. A locating block is fixed to the bottom plate of the universal press block, by inserting a locating fastener of the locating block into a locating hole. A press block is fixed to the locating block at a predetermined position suitable for press-fitting one of the connectors.

Abstract: There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidise said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.

Abstract: An optical fiber splicing tray is disclosed. The optical fiber splicing tray may include: an optical fiber splicing tray body; and a marker detachably connected to the optical fiber splicing tray body, where the marker is arranged at a position facilitating observation and identification of the marker when a plurality of optical fiber splicing trays are stacked.

Abstract: A Rechargeable Metal-Air Battery Cell, a Battery Stack and Method of Manufacturing the Same A rechargeable metal-air battery cell, a battery stack and method of manufacturing the same are provided. The rechargeable metal-air battery cell includes a bipolar plate, an air cathode, a plenum frame and a metal anode. The bipolar plate defines a plurality of air channels. The air cathode abuts the bipolar plate such that the air cathode is in fluid communication with the air channels. The plenum frame includes a first major surface and a second major surface opposite the first major surface. The air cathode is adjacent the first major surface, and the metal anode is adjacent the second major surface of the plenum frame. The battery stack may include at least one rechargeable metal-air battery cell.

Abstract: An apparatus and method for press-fitting a connector to a circuit board is provided. The apparatus has a universal press block fixedly connected to a machine press head. A bottom plate of the universal press block has multiple locating holes. A locating block is fixedly connected to the bottom plate. A press block is fixedly connected to the locating block at a predetermined position suitable for press-fitting the connector. The press block has a press block head, a press block body and a sensor provided between the head and the body. The press block head is movable to contact the connector to apply a pressing force to the connector. The sensor detects the pressing force and generates a signal indicative of the pressing force. The press block body receives the signal from the sensor and controls the movement of the press block head based on the signal.

Abstract: There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidise said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.

Abstract: An apparatus and method for press-fitting a connector to a circuit board is provided. The apparatus has a universal press block fixedly connected to a machine press head. A bottom plate of the universal press block has multiple locating holes. A locating block is fixedly connected to the bottom plate. A press block is fixedly connected to the locating block at a predetermined position suitable for press-fitting the connector. The press block has a press block head, a press block body and a sensor provided between the head and the body. The press block head is movable to contact the connector to apply a pressing force to the connector. The sensor detects the pressing force and generates a signal indicative of the pressing force. The press block body receives the signal from the sensor and controls the movement of the press block head based on the signal.

Abstract: There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidize said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.

Abstract: A Rechargeable Metal-Air Battery Cell, a Battery Stack and Method of Manufacturing the Same A rechargeable metal-air battery cell, a battery stack and method of manufacturing the same are provided. The rechargeable metal-air battery cell includes a bipolar plate, an air cathode, a plenum frame and a metal anode. The bipolar plate defines a plurality of air channels. The air cathode abuts the bipolar plate such that the air cathode is in fluid communication with the air channels. The plenum frame includes a first major surface and a second major surface opposite the first major surface. The air cathode is adjacent the first major surface, and the metal anode is adjacent the second major surface of the plenum frame. The battery stack may include at least one rechargeable metal-air battery cell.

Abstract: An apparatus and method for press-fitting a connector to a circuit board is provided. The apparatus has a universal press block fixedly connected to a machine press head. A bottom plate of the universal press block has multiple locating holes. A locating block is fixedly connected to the bottom plate. A press block is fixedly connected to the locating block at a predetermined position suitable for press-fitting the connector. The press block has a press block head, a press block body and a sensor provided between the head and the body. The press block head is movable to contact the connector to apply a pressing force to the connector. The sensor detects the pressing force and generates a signal indicative of the pressing force. The press block body receives the signal from the sensor and controls the movement of the press block head based on the signal.

Abstract: A power adapter is provided for a computer including a power port and a housing defining an aperture. The power adapter includes a power head, a lock head disposed on the power head and a main housing including a body affixed to a security element, wiring for supplying power to the computer extending through the body to the power head and a lock system selectively actuatable with a key to orient the lock head in first and second orientations. The first orientation is characterized in that the power head is movable relative to the aperture for power head insertion into and removal from the power port. The second orientation is characterized in that the power head is immovable relative to the aperture.

Abstract: A power adapter is provided for a computer including a power port and a housing defining an aperture. The power adapter includes a power head, a lock head disposed on the power head and a main housing including a body affixed to a security element, wiring for supplying power to the computer extending through the body to the power head and a lock system selectively actuatable with a key to orient the lock head in first and second orientations. The first orientation is characterized in that the power head is movable relative to the aperture for power head insertion into and removal from the power port. The second orientation is characterized in that the power head is immovable relative to the aperture.

Abstract: There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidise said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.

Abstract: A method for preparing ultrafine powder of tungsten carbide using ultrafine tungsten powder and carbon black as raw materials is provided. The following steps are included: (1) passivation of the ultrafine tungsten powder: passivating the ultrafine tungsten powder under pure carbon dioxide; (2) carbon addition: mixing the ultrafine tungsten powder with carbon black powder after applying cooling water and inert gases; (3) carbonization: synthesizing the bulk tungsten carbide powder at high temperature in a carbonizing stove; (4) crushing and sieving: crushing the bulk tungsten carbide powder, cooling and sieving to obtain the ultrafine powder of tungsten carbide.

Abstract: The present disclosure relates to a catalyst for a metal air battery or fuel cell comprising a mixed metal oxide consisting of at least one lanthanide element and at least two different transition metal elements. The catalyst may further comprise a conducting additive. The present disclosure further provides an air electrode, metal air battery or fuel cell comprising the disclosed catalyst, and methods for forming the disclosed catalyst.

Abstract: The present invention relates to a method for forming a catalyst comprising catalytic nanoparticles and a catalyst support, wherein the catalytic nanoparticles are embedded in the catalyst support, comprising forming the catalytic nanoparticles on carbon particle, dispersing the carbon particle in a solution comprising precursors of the catalyst support to form a suspension, heating the suspension to form a gel, subjecting the gel to incineration to form a powder, and sintering the powder to form the catalyst.

Abstract: A turning mechanism includes a disc-shaped rotatable carriage comprising receptacles spaced around an edge, each receptacle being adapted to receive one of polarized electronic component and including an air channel; a turn channel projecting out of the edge of the carriage, the turn channel being arc and comprising an inlet communicating with one receptacle and including a first sensor, and an outlet communicating with another receptacle and including a second sensor; an auxiliary air passageway proximate to the first sensor and projecting inward out of the turn channel, the auxiliary air passageway communicating with the turn channel and comprising an air outlet; and a polarity detector disposed externally of the carriage and being proximate to the inlet, the polarity detector being adapted to detect polarity of the polarized electronic component proximate thereto.

Abstract: A method for preparing ultrafine powder of tungsten carbide using ultrafine tungsten powder and carbon black as raw materials is provided. The following steps are included: (1) passivation of the ultrafine tungsten powder: passivating the ultrafine tungsten powder under pure carbon dioxide; (2) carbon addition: mixing the ultrafine tungsten powder with carbon black powder after applying cooling water and inert gases; (3) carbonization: synthesizing the bulk tungsten carbide powder at high temperature in a carbonizing stove; (4) crushing and sieving: crushing the bulk tungsten carbide powder, cooling and sieving to obtain the ultrafine powder of tungsten carbide.