Abstract: Disclosed are a nickel-based superalloy formed by selective laser melting and a preparation method thereof. In the method, CrFeNb alloy powder is used as a grain refiner, and its element composition is within the composition range of a nickel-based superalloy powder to ensure that the prepared nickel-based superalloy has the same element composition with the original alloy; the grain size in the nickel-based superalloy could be refined by the addition of CrFeNb alloy powder, such that the anisotropic columnar grain structure in the alloy is transformed to equiaxed grain structure, thereby improving mechanical properties of the alloy.

Abstract: A dispersion, methods of making the same, applications of the dispersion to graphitic material and the resulting coated particles are disclosed. The dispersion includes ?55% wt. coal tar pitch (softening point 100° C.-195° C.), ?60% wt. dispersant, and the balance a non-aromatic solvent such as water or alcohol. Pitch particles in the dispersion are preferably <10 ?m with a distribution of D50<15 ?m. The pitch particles are micronized, such as by dry and/or wet milling with the dispersant and aqueous solvent to achieve the desired pitch particle size and distribution. This aqueous dispersion may be mixed with natural or synthetic graphitic material having a diameter of 5-20 ?m in a ratio of 5%-30% pitch to graphite, dried and carbonized to form coated particles having a graphitic core at least partially coated by pitch particles.

Abstract: A sealing packing includes a core portion and a housing wrapped around the exterior of the core portion that has a rounded rectangular cross-sectional shape. The housing comprises a plurality of fiber threads woven together with each other and a barrier sealant filled between the plurality of fiber threads. Between the core portion and the housing, a lubricating layer covers the housing. The core portion has a cross-sectional area of 15-75% of the cross-sectional area of the sealing packing. The core portion comprises a central supportive reinforcing core with an X-shaped cross-section and a plurality of elastic supplementing cores. The central supportive reinforcing core has a central portion extending along the central axis of the core portion and four support portions extending outwardly from the central portion. Each support portion points to a respective corresponding corner of the housing. A method for preparing the sealing packing is also provided.

Abstract: Provided are a charger and a control method. The charger includes: a transformer; at least one primary-side switch tube for carrying out chopping modulation on a voltage input into the transformer; a first control unit; a second control unit for generating feedback information on the basis of a voltage and/or current information output from an output end of the charger; and a first microwave unit respectively connected to the first control unit and the second control unit, and used for transmitting the feedback information to the first control unit. The first control unit is used for outputting a first control signal according to the feedback information, so as to control the turning on or the turning off of the at least one primary-side switch tube.

Abstract: Disclosed is a hinge apparatus including a rotating portion and a co-moving portion; the rotating portion includes a first supporting plate, a second supporting plate, a first connection plate, and a second connection plate; the first connection plate and the second connection plate are respectively connected with the first supporting plate and the second supporting plate in a slidable manner; the co-moving portion includes a first connection rod, a second connection rod, a first rotating shaft, a second rotating shaft, and a transmission apparatus; the first connection rod is fixedly connected on the first rotating shaft and is connected with the first connection plate in a slidable manner, the second connection rod is fixedly connected on the second rotating shaft and is connected with the second connection plate in a slidable manner, and the transmission apparatus is disposed to rotate the first rotating shaft and the second rotating shaft synchronously.

Abstract: The present application falls within the technical field of additives for metalworking fluids and specifically relates to a phenolamine additive, a preparation method, and use thereof. The phenolamine additive comprises a compound of Formula (1), a compound of Formula (2), a compound of Formula (3), a compound of Formula (4), and a compound of Formula (5), which has the characteristics of good antimicrobial performance and high stability, and does not produce any sedimentation and precipitation when compounded into a metalworking fluid.

Abstract: An ultrasonic scalpel, an energy instrument for surgery, and a power adjustment method therefor. The ultrasonic scalpel comprises a handheld component, a control module, an ultrasonic generator, and an ultrasonic cutter head, and further comprises the following modules: a load detection module, which is configured to detect the load conditions of the ultrasonic cutter head, the load detection module being electrically connected to an input end of the control module; a power conversion module, an input side thereof being electrically connected to an output end of the control module, and an output side thereof being electrically connected to the ultrasonic generator; the control module is configured to receive a detection signal from the load detection module, and when an activation button is pressed, the control module controls the power conversion module to adjust the output power of the ultrasonic generator.

Abstract: The present application discloses a cartridge type mechanical sealing device for sealing liquid, the sealing device including a gland, a rotating ring adaptor assembly, a rotating ring, a stationary ring adaptor, a stationary ring, and a locking ring mounted around a rotating shaft.

Abstract: This application provides a pedestrian detection method, a method for training a pedestrian detection model, an electronic device, and a computer-readable storage medium. The pedestrian detection method includes: acquiring an image to be recognized; inputting the image into a multi-task recognition network to acquire a predicted pedestrian location and a predicted pedestrian attribute in parallel; and correlating the predicted pedestrian location and the predicted pedestrian attribute to output a detection result. The pedestrian detection method utilizes the multi-task recognition network to acquire the predicted pedestrian location and the predicted pedestrian attribute in parallel, and the detection result containing the predicted pedestrian location and the predicted pedestrian attribute is acquired only by inputting the image to be recognized once, thereby improving detection efficiency, quickly obtaining the detection result and saving device resources.

Abstract: The present disclosure relates to a microfluidic chip and a microfluidic chip detection system. The microfluidic chip including: a storage member provided with a groove therein, at least two storage chambers being disposed around the groove; a base disposed at one end of the storage member away from the groove, a reaction chamber being disposed on the base; and a valve disposed in the groove, the valve being configured to operatively communicate any one of the at least two storage chambers with the reaction chamber. The present disclosure can lead the solution in any storage chamber to the reaction chamber or lead the solution in the reaction chamber to any storage chamber by operating the valve, so that the solution transfer is realized, the structure is simple and compact, the length of the flow channels can be greatly shortened, and the detection efficiency is improved.

Abstract: An electric pump includes a first housing, a stator assembly, and a pin. The first housing is injection-molded by using the stator assembly as an insert and fixed to the stator assembly by injection molding, and is provided with a pin hole for placing the pin. Thus, the fixation of a pump housing, the stator assembly and the pin is facilitated to be simplified.

Abstract: The present disclosure relates to a monitoring system and method for wellsite equipment, used for monitoring abnormities in the monitoring area of wellsite equipment. The system comprises: a video acquisition unit and a dynamic analysis unit, wherein the video acquisition unit acquires a current video signal of a monitoring area, and the dynamic analysis unit compares the current video signal with a previously acquired video signal; and a thermal imaging device and a temperature analysis unit, wherein the thermal imaging device acquires a temperature distribution of the monitoring area, and the temperature analysis unit obtains current temperature information about the monitoring area based on the temperature distribution, wherein the current temperature information comprises a position in the monitoring area having a highest temperature or a lowest temperature.

Abstract: The present disclosure relates to a method of manufacturing an engineered flooring product comprising a core layer. The method provides the steps of: (a) mixing a hydrate compound, one or more stabilizing agents, and water in a mixer, forming a raw material slurry; (b) spreading a first layer of the raw material slurry onto a cull plate; (c) curing the first layer of raw material slurry; (d) after step (c), releasing the cured first layer of raw material slurry from the cull plate; (e) after step (d), trimming the cured first layer of raw material slurry released from the cull plate; and, (f) after step (e), cooling the cured first layer of raw material slurry released from the cull plate for at least about 24 hours at a temperature ranging from about I0 C-30 C thereby forming the engineered flooring product.

Abstract: A display panel and a display device are provided. In the display panel, at least one odd-numbered thin film transistor is sequentially turned on to charge sub-pixels of a corresponding odd-numbered row before charging sub-pixels of any one of odd-numbered rows is finished, and at least one even-numbered thin film transistor is sequentially turned on to charge sub-pixels of a corresponding even-numbered row before charging sub-pixels of any one of even-numbered rows is finished, thereby saving the number of uses of data traces and thin film transistors, as well as enhancing the timeliness of data signal transmission.

Abstract: The supporting module includes a supporting assembly including a fixed plate and a movable plate, and both sides of fixed plate are hinged with one movable plate; a synchronous assembly is fixed on the fixed plate, transmission assemblies are located at a bottom of the movable plate and a bottom of the fixed plate, a bottom surface of each movable plate is movably connected to a first end of one transmission assembly, and second ends of the transmission assemblies located at both sides of the fixed plate are movably connected to the synchronous assembly; when a first included angle is disposed between a supporting surface of one movable plate and a supporting surface of the fixed plate, a supporting surface of the other movable plate keeps the first included angle with the supporting surface of the fixed plate under an action of the transmission assembly and the synchronous assembly.

Abstract: A fusion protein is described, comprising a first N-terminal signal peptide sequence, a second peptide sequence C-terminal to the signal peptide sequence, and a third peptide sequence C-terminal to the second peptide sequence; wherein one of the second peptide sequence and the third peptide sequence is an RdCVF-short peptide sequence and the other is a hydrophilic peptide sequence. After translation the signal peptide is cleaved, leaving a fusion protein comprising the second peptide sequence and the third peptide sequence minus the signal peptide. Also described are nucleic acids and expression vectors encoding the fusion protein, cells comprising the nucleic acid or expression vector, as well as methods of treatment and uses of the fusion protein, nucleic acid, and expression vector. The fusion protein can be produced in vitro by culturing the cells of this invention under conditions allowing for expression and secretion of the encoded fusion protein, and isolating the fusion protein from the cell culture.

Abstract: Antibody formulations and methods of making and using such formulations are provided herein. The formulation can be for intravenous administration. In some embodiments, the formulation is for subcutaneous administration. In some embodiments, the formulation comprises an anti-C5 antibody, such as eculizumab.

Abstract: The present application discloses a trimming circuit of differential amplifier, wherein an output end of the differential amplifier is coupled to a first input end of the differential amplifier through a first voltage-dividing resistor; a shift voltage is coupled to a second input end of the differential amplifier through a second voltage-dividing resistor; the first voltage-dividing resistor and the second voltage-dividing resistor respectively form a T-shaped resistor network structure; the T-shaped resistor network structure comprises: a k-bit resistive network coupled to a T-shaped node and a reference power supply end, wherein a low n-bits of the k-bit resistive network is an R-2R resistive network, and part of branches are connected in series with at least one trimming resistor, and each trimming resistor is connected in parallel with a switch.

Abstract: The disclosure provides an image processing method and apparatus. The method may include acquiring a target image having at least two division regions. The division region includes an annotation point, and the annotation point is corresponding to a target segmentation object. The method may further include performing iterative expansion on the annotation points to obtain an iterative expansion region. The method may further include determining a first loss result between the iterative expansion region and the division region and a second loss result between the iterative expansion region and the annotation point. The method may further include, when the first loss result and the second loss result meeting a termination condition, stopping the iterative expansion to obtain a resulting iterative expansion region. The method may further include determining the resulting iterative expansion region as a region where the target segmentation object is located in the target image.

Abstract: A counterfactual context-aware texture learning network system, including: a camera configured to capture an input image; a processor configured to perform camouflaged object detection on the input image; and a memory configured to store a texture-aware refinement module (TRM), a context-aware fused module (CFM), and a counterfactual intervention module (CIM); wherein the processor is configured to execute program instructions of the TRM, the CFM, and the CIM; the TRM is configured to extract dimension features from the input image; the CFM is configured to infuse multi-scale contextual features; the CIM is configured to identify a camouflaged object with counterfactual intervention via the processor; the TRM includes: a receptive field block (RFB) configured to expand a receptive field and extract texture features; and a position attention module (PAM) and a channel attention module (CAM) configured to further refine texture-aware features and obtain discriminant feature representation.