Abstract: A method for in-situ calibration of a fixed radiation dose rate instrument is provided, comprising: in a reference radiation field, calibrating a standard device, a first device to be calibrated to an nth device to be calibrated under a proposed database type, and obtaining a response signal of a first nonhomogeneous extended field generated by a first radiation source, and then establishing a database about type-relative position relationship-statistical data; generating a second nonhomogeneous extended field by a second radiation source with the same type as the first radiation source during in-situ calibration; and searching the type of a current device to be calibrated, and obtaining a final in-situ calibration factor of the current device to be calibrated according to a value in the database corresponding to the type.

Abstract: A preparation method of an intermediate compound of formula II ((1R,2S,3S,4S,5S,6R,11S,14S,17S,19R,21R,23S,25R,26R,27S,31R,34S)-25-[(2S)-2,3-dihydroxy]-2,5-dihydroxy-26-methoxy-19-methyl-13,20-dimethylene-24,35,36,37,38,39-hexaoxane[29.3.1.13,6.14,34.111,14.117,21.023,27]nonatriacontan-8,29-dione) for eribulin mesylate is provided, including subjecting a compound of formula I to a reaction with an additive in the presence of tetra-n-butylammonium fluoride (TBAF). The additive is piperidine hydrochloride or pyridine hydrochloride, and a reaction formula is as follows: The present invention aims to avoid the problem that a traditional synthetic route has a low yield.

Abstract: A two-parts shell or housing assembly not requiring a pressure jig for assembly includes an upper shell and a lower shell. The upper shell includes a first surface and a second surface. Hooks are disposed on edges of the second surface. The lower shell includes an inner bottom surface and a first blocking surface. A stepped portion is formed at the connection portion between the inner bottom surface and the first blocking surface. The stepped portion includes a first side and a second side. The upper shell is disposed on the second side. The first side defines slots corresponding to the hooks. A receiving space is formed by the hook, the stepped portion, and the second side for receiving adhesive. An electronic device is also provided.

Abstract: This disclosure provides a network resource pre-allocation method, device, system, and medium, wherein the method includes: an NWDAF acquiring historical record information of a user accessing a service, and generating user service preference prediction and suggestion information according to the historical record information; and the NWDAF sending the user service preference prediction and suggestion information to a network function (NF) so that the NF pre-allocates a network resource according to the user service preference prediction and suggestion information.

Abstract: A barcoded transposase complex and an application thereof in high-throughput sequencing. Provided is a transposase recognition element, having the following structure: X(m)Y(f)N(n), in which X(m) represents a transposase recognition region of a double-stranded nucleic acid structure, Y(f) represents a spacer region of a single-stranded DNA structure, and N(n) represents a sample barcode of a single-stranded DNA structure. The high-molecular-weight DNA is processed using the barcoded transposase complex, to obtain a lot of barcoded DNA fragments. The barcoded DNA fragments obtained from each high-molecular-weight DNA are mixed to obtain a mixing sample. A carrier having a molecular barcode is adopted to capture. An exonuclease is adopted for processing, and then transposase is released. StLFR technology is adopted to construct a DNA library. The barcoded transposase complex can be applied to hybrid sequencing of a high-throughput sequencing platform.

Abstract: An image processing method, apparatus, and device, and a storage medium are provided. The method is performed by a computing device, and includes: determining a first image feature of a first size of an input image, the first image feature having at least two channels; performing weight adjustment on each channel in the first image feature by using a first weight adjustment parameter, to obtain an adjusted first image feature, the first weight adjustment parameter including at least two parameter components, and each parameter component being used for adjusting a pixel of a channel corresponding to each parameter component; downsampling the adjusted first image feature to obtain a second image feature having a second size; combining the first image feature and the second image feature to obtain a combined image feature; and determining an image processing result according to the combined image feature.

Abstract: A construction process of soil nailing wall for geological disaster control is provided, which uses a construction equipment of soil nailing wall for geological disaster control, including underframe, lifting assembly and etc.; a lifting assembly is installed on the left side of the upper side of the underframe. When in use, the disclosure can automatically cut off the tree trunks extending out of the slope surface, and then install the grouting rods in the soil slope holes. At the same time, the disclosure can adapt to the tree trunks with different bending degrees to cut them, which solves the problem of tree trunks interfering with the construction, greatly improves the efficiency, prevents the cut tree trunks from falling onto the slope, avoids damaging the slope surface, and can adapt to a variety of situations to cut off the tree trunks.

Abstract: Methods and apparatuses for performing image processing using artificial intelligence are provided. In an embodiment, an image processing method includes acquiring a target image based on an editing operation on an original image, performing a filling processing operation on the target image to obtain a first filled image including a first target region, identifying a target patch based on the first filled image, calculating a similarity value between the target patch and at least one patch related to the first filled image using a first artificial intelligence (AI) model, determining a target residual patch corresponding to the target patch based on the similarity value and generating a processing result image based on the target residual patch.

Abstract: An electronic pen button assembly includes a pen core, a housing, and a button. The pen core includes a rod body and a pen tip disposed at a first end of the rod body. A first limiting portion is disposed on the rod body. The housing includes a pen head with a via hole, and a second limiting portion is disposed in the housing. The rod body extends into the housing through the via hole, and the first limiting portion is matably connected to the second limiting portion. The pen core is in sliding fit relative to the housing in an extension direction of the rod body. The button is disposed in the housing, and the bottom is triggerable by a second end of the rod body during sliding of the pen core along the extension direction of the rod body.

Abstract: A frame includes a plurality of profile sections and at least one first adapter assembly. Each profile section includes at least one section extension surface, and one of the at least one section extension surface is provided with at least one first groove therein. Each first adapter assembly includes a first position-limiting block provided with at least one first mounting hole therein. The first position-limiting block is configured to be fixed in a first groove during assembly, and to fix other components to the profile section through the at least one first mounting hole.

Abstract: In part, disclosure relates to a method of regulating checkpointing in an active active fault tolerant system. The method includes receiving a request from a client through a network at a primary computer; copying, by the primary computer, the request from the client to a secondary computer; processing the request from the client, using the primary computer, to generate a primary computer result; processing the copy of the request from the client, using the secondary computer, to generate a secondary computer result; comparing the primary computer result and the secondary computer result to obtain a comparison metric; determining whether a minimum checkpoint interval has been met or exceeded; and if the minimum checkpoint interval has not been met or exceeded, delay initiating a checkpoint process from primary computer to secondary computer.

Abstract: Provided is a display apparatus, including: housing components, and a display screen and a circuit board disposed in the housing components, wherein the housing components include a middle frame, a front case and a rear case; the middle frame includes a frame body and a plate body, wherein the frame body includes a first frame and a second frame opposite to each other, and a third frame connected between the first frame and the second frame; the frame plate is disposed around a corresponding side of the plate body, and both the first frame and the second frame are provided with protruding parts protruding from a first side of the plate body; the rear case is fixed between the two protruding parts and connected to the first side of the plate body; the display screen is disposed in the frame body and fixed on the plate body.

Abstract: There is provided a display apparatus, including: a display module; a first side frame and a second side frame on two sides of the display module in a width direction of the display module; a fixing structure on a non-light-emitting side of the display module and detachably connected to the first side frame and the second side frame, the fixing structure being configured to fix the display module; and an adapter, including a first connection part and a second connection part which are fixedly connected. At least one of a first side surface of the first side frame facing the display module or a second side surface of the second side frame facing the display module is detachably connected to the first connection part, and the second connection part is detachably connected to the fixing structure.

Abstract: Provided is a display device. The display device includes: a support base, a support frame connected to the support base, a glass panel connected to the first support surface, and a display disposed within a cavity formed by the support frame, the support base, and the glass panel. The display is connected to the support frame. The support frame includes: a plurality of support bars, and a movable connection member disposed between each two support bars of the plurality of support bars and configured to connect the two support bars, wherein each of the support bar and the movable connection member is provided with a first support surface, and the movable connection member is configured to move between the two support bars to adjust a size of the support frame.

Abstract: Disclosed are a method for sterilizing an air conditioner, an air conditioner and a storage medium. The method includes receiving a sterilization instruction, and detecting a temperature of an indoor heat exchanger in a heating mode. When it is determined that the detected temperature of the indoor heat exchanger is lower than a preset sterilization temperature, according to the method, an enhanced vapor injection circulation is started to increase the temperature of the indoor heat exchanger to be higher than the preset sterilization temperature.

Abstract: A lighting apparatus includes: a lamp body assembly, including a support base, a lampshade mounted on the support base, and a light-emitting body, a power supply module and a first connector that are connected to the support base, wherein the light-emitting body is electrically connected to the power supply module; a display assembly, including a carrier, a second connector connected to the carrier and facing the support base, and a display screen connected to the carrier, wherein the display screen is electrically connected to the power supply module; and a support assembly, connected to the first connector and the second connector.

Abstract: The present disclosure provides a frame, a display device and a display apparatus. The frame includes at least two frame assemblies. The frame assemblies in different directions are spliced through an adapter, an infrared lamp strip is installed on the frame assembly, the adapter is provided with a bunching member, and a connection line for the infrared lamp strip is bunched around the bunching member when the frame assemblies in different directions are spliced.

Abstract: The present application relates to the field of audio technology, and provides a method, a device, and an apparatus for playing audio, and a computer-readable storage medium. The method for playing audio includes: obtaining an ambient atmospheric pressure value and audio data to be played; obtaining multiple target frequency points contained in the audio data to be played when the ambient atmospheric pressure value meets a preset condition, and determining equal-loudness multiples corresponding to the target frequency points according to the ambient atmospheric pressure value and a preset calibration atmospheric pressure value; and sending the audio data to be played and the equal-loudness multiples of the target frequency points to a power amplifying module, such that the power amplifying module amplifies the audio data to be played according to the equal-loudness multiples corresponding to the target frequency points.

Abstract: An apparatus includes at least one camera configured to capture at least one image of a traffic lane, an inertial measurement unit (IMU) configured to detect motion characteristics, and at least one processor. The at least one processor is configured to obtain a vehicle motion trajectory using the IMU and based on one or more vehicle path prediction parameters, obtain a vehicle vision trajectory based on the at least one image, wherein the vehicle vision trajectory includes at least one lane boundary, determine distances between one or more points on the vehicle and one or more intersection points of the at least one lane boundary based on the obtained vehicle motion trajectory, determine at least one time to line crossing (TTLC) based on the determined distances and a speed of the vehicle, and activate a lane departure warning indicator based on the determined at least one TTLC.