Abstract: The present disclosure relates to an integrated hydraulic power device and a fire truck. The integrated hydraulic power device includes: an integrated valve including a valve body having an internal flow passage structure, a first mounting end and a second mounting end; a motor fixedly arranged at the first mounting end; a hydraulic oil tank fixedly arranged at the second mounting end; and a hydraulic pump located within the hydraulic oil tank and in drive connection with the motor, wherein the hydraulic pump has an oil suction port for drawing oil from the hydraulic oil tank, and the internal flow passage structure is communicated with the hydraulic oil tank and the hydraulic pump.

Abstract: An anti-collision simulation device and a radiotherapy system relate to the technical field of medical equipment. The anti-collision simulation device is applied to a radiotherapy device, and includes a supporting frame and a simulation rod rotatably connected to the supporting frame. A space enclosed by a rotation track of the simulation rod is matched with a space in a therapy cabin of the radiotherapy device. The supporting frame includes a fixing frame and a movable frame. The fixing frame is fixedly installed relative to the radiotherapy device. The simulation rod is rotatably connected to the movable frame, and the movable frame is able to move relative to the fixing frame, so as to enable the simulation rod to be located at different positions.

Abstract: The application provides a modification of gas density relay, a gas density relay with online self-check function and its check method for high-voltage and medium-voltage electrical equipment. The gas density relay includes a gas density relay body, a gas density sensor, a pressure regulating mechanism, a valve, an online check contact signal sampling unit and an intelligent control unit. The pressure is increased or decreased by the pressure regulating mechanism to enable the contact action of the gas density relay body. The contact action is transmitted to the intelligent control unit through the online check contact signal sampling unit. The intelligent control unit detects the alarm and/or blocking contact signal operating value and/or return value of the gas density relay body according to the density value of the contact action; the check of the gas density relay can be completed without maintenance personnel on site.

Abstract: An integrated valve is made by a method for designing and manufacturing a valve body of the integrated valve. The method for designing the valve body of the integrated valve includes: determining an internal flow channel structure of a valve body model of the integrated valve according to a hydraulic function implemented by the integrated valve; determining a position and a size of respective mounting structures, matched with the external devices, in the valve body model; determining a work structure of the valve body model according to the internal flow channel structure, and the position and the size of respective mounting structures; determining an internal connection plane of the valve body model, and determining an internal supporting table; and determining an external shell of the valve body model, and connecting the external shell with the work structure and the internal supporting table.

Abstract: The present disclosure relates to an integrated hydraulic power device and a fire truck. The integrated hydraulic power device includes: an integrated valve including a valve body having an internal flow passage structure, a first mounting end and a second mounting end; a motor fixedly arranged at the first mounting end; a hydraulic oil tank fixedly arranged at the second mounting end; and a hydraulic pump located within the hydraulic oil tank and in drive connection with the motor, wherein the hydraulic pump has an oil suction port for drawing oil from the hydraulic oil tank, and the internal flow passage structure is communicated with the hydraulic oil tank and the hydraulic pump.

Abstract: A device for realizing the splicing of an array fiber and a large-size quartz end cap comprises a carbon dioxide laser, a light splitter, a light beam shaper, a high reflectivity mirror, an image detection module, an array fiber and a carrier thereof, a large-size quartz end cap and a carrier thereof, a stepping motor, a thermodetector, and a computer; a laser beam emitted by the carbon dioxide laser is divided into two light beams through a light splitter, after the two light beams respectively pass through the beam shaper and the high reflectivity mirror, two strip-shaped light spots with uniform power density are integrally formed to heat a splicing face of the large-size quartz end cap, a uniform temperature field of a target splicing area is achieved through indirect heating and heat conduction.

Abstract: An antigen prediction method including inputting genetic information, sequence information, and three-dimensional structure features of an immune cell receptor into an antigen prediction model, performing, by the antigen prediction model, feature extraction on the genetic information and the sequence information to obtain genetic features and sequence features of the immune cell receptor, integrating, by the antigen prediction model, the genetic features, the sequence features, and the three-dimensional structure features to obtain receptor features of the immune cell receptor, performing, by the antigen prediction model, full connection and normalization on the receptor features to output a probability of the immune cell receptor being associated with each candidate antigen of a plurality of candidate antigens, and determining, based on the probability of the immune cell receptor being associated with each candidate of the plurality of candidate antigens, an antigen binding to the immune cell receptor from t

Abstract: Embodiments of this application provide a method and apparatus for determining antigenic specificity. The method includes acquiring double-stranded biological information of a cell receptor; performing word coding processing on the double-stranded biological information to obtain an amino acid word sequence, the amino acid word sequence comprising an amino acid word representation; performing feature extraction on the cell receptor based on the amino acid word sequence with a pre-trained amino acid sequence prediction model to obtain an amino acid sequence representation of the cell receptor, the amino acid prediction model being trained with masked sample data; and determining the antigenic specificity of the cell receptor based on the amino acid sequence representations.

Abstract: The present disclosure relates to a shielding device and an installation method thereof. The shielding device includes: a bottom plate; a first sidewall, a bottom end of the first sidewall being inserted into the bottom plate; a second sidewall, a bottom end of the second sidewall being inserted into the bottom plate; a top cover, the top cover having one side rotatably connected to the first sidewall and the other side inserted into the second sidewall; a front door connected to respective one ends of the bottom plate, the first sidewall, the second sidewall, and the top cover; and a rear plate connected to respective other ends of the bottom plate, the first sidewall, the second sidewall, and the top cover.

Abstract: The application provides an electrical system with online sampling and check function and its check method for high-voltage and medium-voltage electrical equipment, including electrical equipment, gas density relay, gas density sensor, valve, pressure regulating mechanism, online check contact signal sampling unit and intelligent control unit. The pressure is increased or decreased by the pressure regulating mechanism to enable the contact action of the gas density relay of electrical equipment. The contact action is transmitted to the intelligent control unit through the online check contact signal sampling unit. The intelligent control unit detects the alarm and/or blocking contact signal operating value and/or return value according to the density value of the contact action; the check of the gas density relay can be completed without maintenance personnel on site, which greatly improves the reliability of the power grid and the work efficiency, and reduces the O&M cost.

Abstract: An aerial work platform for a fire fighting vehicle includes: a carrying component; a work platform body mounted on the carrying component and swingable relative to the carrying component to adjust the levelness of the work platform body; a hydraulic actuating element connected to the carrying component and the work platform body, respectively, and configured to drive the work platform body to swing relative to the carrying component; and a hydraulic power unit including a hydraulic pump and a first reversing valve fluidly connected to the hydraulic pump, the first reversing valve being fluidly connected to the hydraulic actuating element, the hydraulic power unit including a first component, the first component being formed with a first pump cavity accommodating a pumping component of the hydraulic pump and a first reversing valve cavity accommodating a valve core of the first reversing valve.

Abstract: A quick-installation soundproof cabin includes a soundproof cabin frame, an end sealing assembly, and a quick-installation mechanism located between the soundproof cabin frame and the end sealing assembly. The quick-installation mechanism includes a supporting body located at a bottom end of the soundproof cabin frame, and the supporting body is protruded towards a direction close to the end sealing assembly from the bottom end of the soundproof cabin frame, to form a supporting structure that is suspended, and the end sealing assembly is configured to be placed on the supporting structure and turned over to an assembly position mated with the soundproof cabin frame. The assembly between the end sealing assembly and the soundproof cabin frame is convenient and efficient.

Abstract: A high anti-vibration gas density monitor is provided, including a monitor enclosure, a signal control mechanism, and an indication value display mechanism independent from the signal control mechanism which are provided in the monitor enclosure. The signal control mechanism includes at least one corrugated pipe, a sealed compensation chamber, a signal generator, and a signal regulation mechanism. The corrugated pipe is perpendicular to a side wall of a control casing. The monitor enclosure includes an independent sealed compartment used to mount the indication value display mechanism. The sealed compartment is filled with anti-vibration oil, or is hermetically filled with gas. The indication value display mechanism includes a Bourdon tube, a base, an end holder, a movement, a pointer, and a dial.

Abstract: A method and system of casting an integral multi-way valve based on 3D printing belong to the technical field of valve casting. The casting method and system determine, according to structural parameters of an integral multi-way valve to be cast, a plurality of ingates on a plurality of layers, a plurality of runners connecting the ingates on each layer, and a sprue connecting the plurality of runners, and an integral sand mold is printed by using the 3D printing technology to realize a multi-layer composite casting method and a corresponding casting system.

Abstract: The present disclosure relates to compositions comprising collagen 7 and methods of using the same to treat DEB.

Abstract: Disclosed is a kitchen range with internal circulation oil fume purification, including a housing, a gas suction port, a gas suction channel, a blower device, a gas exhaust channel, a gas guide port, and a purification device. The housing is provided with a stovetop and a fume collecting hood extending outwards, and the stovetop is provided with a stove area. The gas suction port is provided on the lower surface of the fume collecting hood. The gas guide port is arranged on the stovetop, and has a multi-hole structure with multiple holes, wherein the holes are provided around a periphery of the stove area, and all the holes are inclined toward a same clockwise or anti-clockwise direction and have a same inclined angle with respect to the stovetop.

Abstract: Disclosed is an internal circulation range hood, comprising a housing, an air-suction inlet, a fan, a cold compression chamber, an air-guide outlet, and a cooling device, wherein the air-suction inlet is in communication with the cold compression chamber and the cold compression chamber is in communication with the air-guide outlet. The fan is disposed at the air-suction inlet. The housing is in a shape of hood, and is internally provided with a hollow fume suction chamber. The air-suction inlet is arranged at atop of the fume suction chamber, and the air-guide outlet is located at a lower edge of an inner wall of the fume suction chamber, an opening of the air-guide outlet obliquely or directly faces the air-suction inlet.

Abstract: The present invention provides stable, pure and potent compositions optimized for administration to neonates and/or preterm infants, and use of the same in methods for treating intraventricular hemorrhage (IVH), bronchopulmonary dysplasia (BPD), and/or chronic lung disease of prematurity (CLD), comprising administering to a subject in need of treatment a pharmaceutical composition comprising insulin-like growth factor-1 (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3), and a polysorbate 20 surfactant at high effective doses in low volumes in an infant resulting high serum IGF-1 exposure and treatment of IVH, BPD and/or CLD. In some aspects, provided herein are methods for manufacturing the compositions comprising a single-use bag, wherein the compositions have improved stability, reduced oxidation and increased potency.

Abstract: The present disclosure provides a method for obtaining a milling particle gradation prediction model, a prediction method and a device. The method includes: sieving a plurality of groups of test particles obtained by a plurality of milling tests to obtain a sieve residual mass ratio corresponding to each of a plurality of sieves after performing milling tests on an asphalt layer; calculating a characteristic parameter of a cutting graph of the milling rotor according to arrangement of cutter teeth of the milling rotor, a rotational speed, a forward speed, and a milling depth of the milling rotor; establishing, by regression analysis, a functional relation between the sieve residual mass ratio corresponding to each sieve and the characteristic parameter according to the rotational speed, the forward speed and the milling depth; and normalizing the functional relation to obtain the milling particle gradation prediction model.