Abstract: A video data processing method is provided. In the method, video features of a target video are acquired. The video features include background features and key part region features. An expected quality of a key part of the target video is acquired. The expected quality of the key part corresponds to an image quality of the key part in a transcoded target video after the target video is transcoded. A background prediction transcoding parameter of the target video is determined based on the background features and an expected quality of a background. The expected quality of the background corresponds to an overall image quality of the transcoded target video. A target transcoding parameter prediction value is determined based on the background features, the key part region features, and the background prediction transcoding parameter. The target video is transcoded according to the target transcoding parameter prediction value.

Abstract: A contact module for an electrical connector includes: an insulator; and a row of contacts insert-molded with the insulator, each of the row of contacts including a soldering tail and a body having a securing portion and a contacting portion, the soldering tail of each contact pointing toward a forward direction, wherein the securing portion of each contact has an upper level segment, a front upstanding segment continuing the upper level segment, a lower level segment continuing the front upstanding segment, and a rear upstanding segment continuing the lower level segment and connecting to the soldering tail thereof, and the lower level segment of each contact is offset from the soldering tail thereof.

Abstract: A spliced panel is provided. A light-emitting diode substrate is disposed on two adjacent display panels and blocks a gap. A substrate comprises a first surface, a second surface, and a third surface. The first surface and the second surface are disposed opposite to each other. The third surface is connected between the first surface and the second surface. A plurality of light-emitting diodes are disposed on the first surface. The reflective layer is disposed on the third surface. An angle between the third surface and the second surface is greater than or equal to 90°.

Abstract: A premixed low-nitrogen gas boiler is provided, which includes a reversed flow-swirl mixer being opposite mixing of natural gas and air. A flow deflector is arranged at a gas mixture outlet of the reversed flow-swirl mixer. An upper flow equalizing plate and a lower flow equalizing plate are arranged below the flow deflector, the upper flow equalizing plate is positioned above the lower flow equalizing plate, and a channel for enhancing mixing of gas mixture is formed between the upper flow equalizing plate and the lower flow equalizing plate. A comb-shaped water-cooled burner is arranged at the rear end of the lower flow equalizing plate, a combustion chamber is arranged at the rear end of the comb-shaped water-cooled burner, hearth tube bundles are arranged in a ladder-shaped convergent hearth, and the hearth tube bundles form an inner loop with a working medium water-steam mixture in a hearth water tank.

Abstract: A method of making an electrical connector which includes an insulative housing having a tongue with an upper and lower surfaces, a plurality of contacts having respective contacting portions exposed to the upper and lower surfaces of the tongue and having two outermost upper or lower contacts, and a shielding member situated between the upper and lower surfaces of the tongue and overlapping the two outermost upper or lower contacts along a vertical direction perpendicular to the upper and lower surfaces of the tongue is characterized by the steps of: forming the plurality of contacts from a first carrier; forming the shielding member from a second carrier to have the two discrete shielding plates; stacking the first carrier and the second carrier; and molding the plurality of contacts and the two discrete shielding plates with an insulator in one shot.

Abstract: A device for performing Raman spectroscopy measurements that incorporate Raman Shift calibration and related method for carrying out the Raman Shift calibration are disclosed. The device comprises of one or more Raman shift reference materials with one or more Raman bands, the positions of which are pre-determined to a high degree of accuracy within a useful temperature range. The device further comprises a sensor to measure the temperature of the one or more reference materials to provide accurate reference values for the Raman shift calibration. When used with the measured spectrum of the reference materials, an accurate Raman Shift calibration function of the device can be generated.

Abstract: The present invention provides a full grayscale subjective consistency optical data obtaining method and a splicing display panel, an initial splicing display panel includes splicing and disposing first display panel (liquid crystal display panel) and second display panel in different types. The method includes: obtaining a plurality of bonding point colors, sets of reference bonding point optical parameters and sets of bonding point optical parameters of the first display panel and the second display panel corresponding to the bonding point colors respectively, and determining non-bonding point optical parameters in the second display panel corresponding to non-bonding point colors between adjacent two of the bonding point colors. A display image of the second display panel under effect of each set of the bonding point optical parameters is subjectively consistent with a display image of the first display panel under effect of a set of the reference bonding point optical parameters.

Abstract: A charging time modulating method is disclosed. After obtaining relational data between a charging rate and a charging time of pixel units on each pixel area, an average charging time corresponding to a preset charging rate is calculated based on each relational data. Then, an initial charging time of the pixel units on each of the pixel areas is obtained, and the initial charging time of the pixel units on each of the pixel areas is adjusted according to the average charging time, so that the initial charging time of the pixel units on each of the pixel areas is equal to the average charging time.

Abstract: Apparatus and methods are disclosed, including transistors, memory devices and systems. Example transistors, memory devices, systems and methods include an inter-gate dielectric structure between adjacent gates, wherein the inter-gate dielectric structure includes a first dielectric material adjacent a fin channel, and a second dielectric material different from the first dielectric material located over the first dielectric material.

Abstract: Respiration aiding equipment is provided, wherein the respiration aiding equipment includes a main control module, a heating loop and a heating loop protective circuit connected to the heating loop, and the heating loop protective circuit includes an acquisition sub-circuit, a suppression sub-circuit, a protective sub-circuit and a discharge sub-circuit; the acquisition sub-circuit collects input voltage of the protective sub-circuit and sends the input voltage to the suppression sub-circuit; the suppression sub-circuit clamps the input voltage and releases current through the discharge sub-circuit; and the protective sub-circuit performs short-circuit protection when the current is too high.

Abstract: A premixed low-nitrogen gas boiler is provided, which includes a reversed flow-swirl mixer being opposite mixing of natural gas and air. A flow deflector is arranged at a gas mixture outlet of the reversed flow-swirl mixer. An upper flow equalizing plate and a lower flow equalizing plate are arranged below the flow deflector, the upper flow equalizing plate is positioned above the lower flow equalizing plate, and a channel for enhancing mixing of gas mixture is formed between the upper flow equalizing plate and the lower flow equalizing plate. A comb-shaped water-cooled burner is arranged at the rear end of the lower flow equalizing plate, a combustion chamber is arranged at the rear end of the comb-shaped water-cooled burner, hearth tube bundles are arranged in a ladder-shaped convergent hearth, and the hearth tube bundles form an inner loop with a working medium water-steam mixture in a hearth water tank.

Abstract: A multi-user scheduling method based on reinforcement learning for 5G IoT, including: calculating the achievable rate of each user in a set according to a communication scenario model; generating an initial scheduled users set according to the achievable rate of each user; according to the achievable rate of each user and the number of times each user is scheduled, evaluating the estimated value of each user's action value under the current scheduling period by using the Q-learning method; determining the upper bound value of the confidence interval of each user's action value; determining the set of scheduled users under the current scheduling period according to the upper bound of the confidence interval of each user's action value; according to the set of scheduled users under the current scheduling period, recalculating the actual achievable rate value of each selected user under the current scheduling period.

Abstract: An electro-conductive B4C—TiB2 has a microstructure in which large B4C grains are coated by small TiB2 grains. The composite ceramic includes 10˜30% by volume of TiB2. A method for preparing the electro-conductive B4C—TiB2 composite ceramic includes: (1) weighing B4C, TiC, and amorphous B powder; (2) mixing evenly and drying thoroughly the powders; and (3) loading the mixed powder into a graphite mold; and placing the graphite mold in a spark plasma sintering furnace for sintering under vacuum, where the sintering is performed at 2000° C. and 50 MPa for 5˜20 min.

Abstract: The present disclosure discloses a method for predicting oxygen load in iron and steel enterprises based on production plan, which relates to influencing factor extraction, neural network modeling and similar sequence matching technologies. The method uses the actual industrial operation data to first extract the relevant data such as the production plan and production performance of converter steel-making, analyze the influencing factors, and extract the main influencing variables of oxygen consumption. Then, the neural network prediction model of oxygen consumption of a single converter is established, the mean square error is taken as the evaluation index, and the predicting result of time granularity of a converter in the blowing stage is given. Finally, in combination with the information of smelting time and smelting duration of each device in the converter production plan, the prediction value of oxygen load in a planned time period is given.

Abstract: A superconducting magnet arrangement including: an outer vacuum container (OVC) housing magnet coils; a cryogen vessel thermally linked to the magnet coils; a cold head sock accommodating a cold head, with a thermal contact provided between the cold head and the magnet coils; tubes linking the interior of the cryogen vessel with the interior of the cold head sock; and a thermosiphon circuit defined by the cryogen vessel, the tubes, and the cold head sock. Pre-cooling and removal of ice build-up may be performed using the thermosiphon circuit.

Abstract: An electro-conductive B4C—TiB2 has a microstructure in which large B4C grains are coated by small TiB2 grains. The composite ceramic includes 10˜30% by volume of TiB2. A method for preparing the electro-conductive B4C—TiB2 composite ceramic includes: (1) weighing B4C, TiC, and amorphous B powder; (2) mixing evenly and drying thoroughly the powders; and (3) loading the mixed powder into a graphite mold; and placing the graphite mold in a spark plasma sintering furnace for sintering under vacuum, where the sintering is performed at 2000° C. and 50 MPa for 5˜20 min.

Abstract: Systems and methods including one or more processors and one or more non-transitory storage devices storing computing instructions configured to run on the one or more processors and cause the one or more processors to perform acts of: in response to receiving search queries at a search engine, storing search event data and ranking features in one or more databases; generating, using the search event data and the ranking features, a training dataset comprising training event samples; executing a hybrid labeling procedure that assigns labels to the training event samples based, at least in part, on individual engagement information associated with the training event samples; and training a personalized ranking model to rank search results using the training event samples and the labels. Other embodiments are disclosed herein.

Abstract: A mask, a display panel, and an electronic equipment are provided. The mask allows an opening pattern to be moved to a side of a repeat region. Based on this structure, the display panels with the same resolution and different sizes may use the masks with the same size, and differences between these masks are merely different distances between the opening patterns and edges of the repeat regions, thus solving at least one technical problem existing in conventional 8K electronic equipment that the masks with the different sizes require to be manufactured for the display panels with the different sizes.

Abstract: Systems and methods including one or more processors and one or more non-transitory computer readable media storing computing instructions that, when executed on the one or more processors, perform: receiving historical in-session user activity information; receiving, via a graphical user interface (GUI) of a user device, a partial search query from a user; analyzing the partial search query based on the historical in-session user activity information using one or more query suggestion systems to determine a respective score for respective suggested search queries from each of the one or more query suggestion systems; determining a respective absolute position metric for the respective suggested search queries from each of the one or more query suggestion systems; determining a respective efficiency metric for each of the one or more query suggestion systems based on the respective absolute position metric; analyzing the respective efficiency metric for each of the one or more query suggestion systems to dete

Abstract: A bowl can be adsorbed on the table top, comprises a bowl body, a notch is opened at the bottom of the bowl body, a silicone suction cup is arranged in the notch, the silicone suction cup is protruding downward of the bowl body by a predetermined length, the silicone suction cup is used for adsorbing the table top, the bottom of the bowl body abuts on the table top. Based on the above structure, the bottom of the bowl body abuts against the table top closely, so that the gap between the bowl body and the silicone suction cup is hidden in the notch, the user cannot touch the silicone suction cup, the fingers cannot be inserted into the gap between the bowl body and the silicone suction cup, which greatly improves the adsorption stability of the bowl.