Abstract: A device and method for evaluating long-term operation of a transformer oil pump. An inlet of an oil pump is connected to an outlet of an oil tank through an oil pipe, and an outlet of the oil pump is connected to an inlet of the oil tank through an oil pipe. A pressure gauge is provided on the oil pipe to the inlet and the outlet of the oil pump, respectively. An ultra-high-frequency (UHF) sensor is provided on an inner wall of an oil pipe close to the oil pump. A pressure difference between the oil pipes to the inlet and to the outlet of the oil pump is monitored. A three-phase unbalanced current of a stator winding is monitored. The vibration of the oil pump is monitored. The rotor-to-stator rub is monitored. Based on the above inspection, a long-term health status of the oil pump is determined.

Abstract: An angle valve structure includes an angle valve body. The angle valve body is provided with a water inlet channel, a water outlet channel and an accommodation cavity. The accommodation cavity is rotationally provided with a valve core. One end of the valve core exposed outside the accommodation cavity is fixedly connected with a knob. The valve core is provided with a sealing block for sealing the water outlet channel when sealing. The valve core includes a main body part and an elastic arm whose one end is connected with the main body part. One side of the main body part is provided with a mounting slot for placing the sealing block, one side of the elastic arm is provided with an extrusion portion, and the other side of the elastic arm is provided with a contact portion against the sealing block after assembly.

Abstract: A composite equal additive manufacturing method: S1, obtaining molten metal by using a metal smelting device; S2, first, storing inflow molten metal in an intermediate container, and then transferring the molten metal into a crystallizer; S3, cooling the molten metal to a solid-liquid mixed state by using the crystallizer, and enabling a high-temperature blank body with a required section to flow out from an outlet of the crystallizer; S4, arranging plastic forming tools at a bottom of the outlet of the crystallizer, and performing plastic forming on the outflow high-temperature blank body; S5, fixing a lower end of a part after the plastic forming and slowly descending the part by a chuck; S6, machining the part by using point forming machines, and synchronously controlling the machining temperature of the part; and S7, descending the chuck to an appropriate position, and taking the formed part out from the machine frame.

Abstract: A mounting bracket includes a bracket body, a locking assembly and support foot. The bracket body is configured for component installation. The locking assembly is arranged on the bracket body, and the support foot is arranged on the bracket body. The support foot is slide along the up and down direction of the bracket body, and the locking assembly is configured to lock the support foot at a preset position. Through the above structure, the support foot is installed on the ground and used to support the bracket body, and the locking assembly locks the support foot at a preset position to correspondingly adjust the height of the bracket body from the ground, so as to adjust the suspension height of the components installed on the bracket body.

Abstract: An adjustable height square outer cover with a built-in cylinder includes a water tank shell and a square outer cover, the water tank shell is provided with an installation accommodation cavity for containing the square outer cover, the water tank shell is also provided with support rack teeth, a locking release device is arranged in the square outer cover, and the locking release device is provided with locking release rack teeth matched with the support rack teeth. A first mounting cavity is arranged in the square outer cover, a support which can be adjusted horizontally is movably arranged in the first mounting cavity, a cylinder which can be adjusted longitudinally is movably arranged on the support, a pressing button is arranged on the cylinder, and the square outer cover is also clamped with a decorative cover for covering the first mounting cavity.

Abstract: Wire arc additive manufacturing-spinning combined machining device and method are provided. The machining device includes a spinning mechanism and a fused deposition modeling mechanism. The spinning mechanism includes a machine tool and a spinning head. The spinning head is installed on the machine tool by a main shaft, and the main shaft is configured to drive the spinning head to rotate to achieve the movement in three vertical directions. The spinning head includes a spinning base and balls. Each of the balls is installed in a corresponding one of arc grooves at a bottom of the spinning base. The fused deposition modeling mechanism includes a moving track, a robot and a heat source generator. The arc moving track is arranged around the machine tool in a surrounding mode. The robot is movably installed on the moving track. The heat source generator is installed at a tail end of the robot.

Abstract: A regulating device for regulating water consumption of a concealed water tank includes a water tank, a hinged base is fixedly arranged on the inner wall of the water tank, a water separator is hinged on the hinged base. A regulating mechanism is arranged between the hinged base and the water separator, and the regulating mechanism can drive the water separator to rotate and fix to divide the accommodation space of the water tank. Compared with the prior art, the regulating device realizes the variable volume of the water tank by regulating the rotation of the water separator through the regulating mechanism. The structure is simple and convenient for the later repair and maintenance of the water tank.

Abstract: A fastening assembly includes a mounting cylinder frame, a movable part and a turnover part, the mounting cylinder frame is provided with a first vertical beam and a transmission rod, the mounting cylinder is provided with a butting block at the top of the first vertical beam, the transmission rod passes through the butting block, the side wall of the first vertical beam is provided with a bulge, the movable part is connected with the transmission rod, and the turnover part is arranged on the first vertical beam and rotationally connected with the movable part. The turnover part is butted with the bulge, the turnover part is located between the butting block and the movable part, and has a vertical state and a horizontal state. The transmission rod is used to drive the turnover part to switch between the horizontal state or the vertical state.

Abstract: A carbon nanotube field emitter comprises at least two electrodes and at least one graphitized carbon nanotube structure. The at least one graphitized carbon nanotube structure comprises a first end and a field emission end. The first end is opposite to the field emission end. The first end is fixed between the at least two electrodes, and the field emission end is exposed from the at least two electrodes and configured to emit electrons.

Abstract: A high temperature resistant wire is provided. The high temperature resistant wire comprises a carbon nanotube wire and a boron nitride layer coated on a surface of the carbon nanotube wire. The boron nitride layer is coaxially arranged with the carbon nanotube wire. A working temperature of the high temperature resistant wire in the air ranges from 0K to 1600K. A working temperature of the high temperature resistant wire in vacuum ranges from 0K to 2500K. A detector using the high temperature resistant wire is also provided.

Abstract: A method for fabricating a memory is provided. The method includes providing a bit-line layer, on a semiconductor substrate and having bit lines arranged in the bit-line layer; providing a shielding layer, on the bit-line layer and having a conductive shielding structure arranged in the shielding layer. The conductive shielding structure is within a top-view projection area of the bit lines and is grounded. The method further includes providing a word-line layer, on the shielding layer and having word lines arranged in the word-line layer.

Abstract: There is provided a laser apparatus for a printed electronic system according to an exemplary embodiment of the present invention including: a laser generating unit which oscillates a laser beam; a laser changing unit which changes an intensity or a wavelength of the laser beam oscillated from the laser generating unit; a laser control unit which controls the intensity or a magnitude of the wavelength of the laser beam which is changed by the laser changing unit; and a laser steering unit which changes a traveling direction of the laser beam output from the laser changing unit to be directed to a target, and the laser control unit controls the intensity or the magnitude of the wavelength of the laser beam in accordance with a state of a printing pattern formed on the target.

Abstract: A method is disclosed that includes: obtaining a seismic data volume for a subterranean region of interest; transforming, by a computer processor using a non-stationary series analysis, the seismic data volume into a seismic spectral volume where the seismic spectral volume includes a seismic spectrum for each of a plurality of voxels; and determining a seismic attribute volume composed of a seismic attribute for each of the plurality of voxels. The seismic attribute for a voxel of the plurality of voxels is based, at least in part, on an integral of the seismic spectrum for the voxel over a range bounded by a first frequency and a second frequency. The method further includes determining a presence of hydrocarbon in the subterranean region of interest based on the seismic attribute volume. A system for performing the method is also disclosed and described.

Abstract: A chimeric antigen receptor (CAR) includes: an antigen-binding domain (scfv) and a signaling domain, wherein the signaling domain includes a first conducting domain and a second conducting domain; the antigen-binding domain is connected between the first conducting domain and the second conducting domain.

Abstract: A printing apparatus for printed electronics according to the present invention may include: ejection head units which each have at least one nozzle for ejecting ink droplets to perform drop-on-demand or continuous printing; a jetting observation unit which is provided at one side of the nozzle and configured to observe the ink droplet ejected from the nozzle; a lighting unit which is provided at the other side of the nozzle and configured to provide light to the jetting observation unit; an alignment observation unit which is configured to observe an aligned state between the nozzle and a substrate; and a fluid supply unit which is configured to supply the ink to the nozzle, in which the ejection head units include a single-nozzle head unit, and a multi-nozzle head unit provided separately from the single-nozzle head unit.

Abstract: A composite equal additive manufacturing method: S1, obtaining molten metal by using a metal smelting device; S2, first, storing inflow molten metal in an intermediate container, and then transferring the molten metal into a crystallizer; S3, cooling the molten metal to a solid-liquid mixed state by using the crystallizer, and enabling a high-temperature blank body with a required section to flow out from an outlet of the crystallizer; S4, arranging plastic forming tools at a bottom of the outlet of the crystallizer, and performing plastic forming on the outflow high-temperature blank body; S5, fixing a lower end of a part after the plastic forming and slowly descending the part by a chuck; S6, machining the part by using point forming machines, and synchronously controlling the machining temperature of the part; and S7, descending the chuck to an appropriate position, and taking the formed part out from the machine frame.

Abstract: Provided is a mobile water quality monitoring platform for a fishpond, belonging to the technical field of water quality monitoring devices. The mobile water quality monitoring platform for a fishpond includes a floating body, a first rotating shaft and a second rotating shaft are disposed on the floating body, the first rotating shaft is rotatably disposed on the floating body through two first support plates, two second support plates are vertically disposed on the floating body, an elongated chute hole is horizontally disposed on two second support plates respectively, both ends of the second rotating shaft are inserted into two chute holes respectively, the first rotating shaft and the second rotating shaft are connected through a connecting rod mechanism, a driving mechanism that enables the first rotating shaft and the second rotating shaft to rotate simultaneously is disposed on the connecting rod mechanism.

Abstract: A generator and a method for generating far infrared polarized light are related. The generator includes a far infrared light source configured to emit a far infrared light; a polarizer located on a light emitting surface of the far infrared light source, wherein the polarizer includes a carbon nanotube structure including a plurality of carbon nanotubes arranged substantially along the same direction, and the far infrared light passes through the polarizer to form a far infrared polarized light; and a heater configured to heat the carbon nanotube structure. The method includes allowing the far infrared to pass through the carbon nanotube structure and heating the carbon nanotube structure as the far infrared passes through the carbon nanotube structure.

Abstract: A welding bead modeling method for wire-arc additive manufacturing, a device therefor and a system therefor including using a dynamic parameter method, and using different welding process parameters in the same welding bead in the a wire-arc additive manufacturing process to obtain a welding bead with synchronous and dynamic changes in profile along with the dynamic changes of the welding process parameters. The method further comprising using a line laser sensor for scanning to obtain the segmented profile of the processed welding bead, and corresponding each welding bead profile to the welding process parameters one by one to train the neural network as training data, so as to obtain a welding bead modeling model capable of obtaining the corresponding welding bead profile according to the input welding process parameters.

Abstract: Additive manufacturing (AM) methods and devices for high-melting-point materials are disclosed. In an embodiment, an additive manufacturing method includes the following steps. (S1) Slicing a three-dimensional computer-aided design model of a workpiece into multiple layers according to shape, thickness, and size accuracy requirements, and obtaining data of the multiple layers. (S2) Planning a forming path according to the data of the multiple layers and generating computer numerical control (CNC) codes for forming the multiple layers. (S3) Obtaining a formed part by preheating a substrate, performing a layer-by-layer spraying deposition by a cold spraying method, and heating a spray area to a temperature until the spraying deposition of all sliced layers is completed. (S4) Subjecting the formed part to a surface modification treatment by a laser shock peening method.