Abstract: A method performed in a system comprising a first party and a second party, the method comprising: generating, by the first party, a template of a first transaction having an input based on an output from a prior transaction associated with the second party; generating, by the first party, a message based on the template of the first transaction; generating, by the first party, a secret based on the message; generating, by the first party, a value based on the secret, wherein the secret cannot be derived from the value; generating, by the first party, a first puzzle transaction, wherein a first locking script of the first puzzle transaction comprises a knowledge proof configured to require an unlocking script to comprise the secret; publishing, by the first party, the first puzzle transaction to a first blockchain; obtaining, by the second party, the value based on the secret; signing, by the second party, the value based on the secret to create a signature; sending the signature from the second party to the

Abstract: The present disclosure provides an optical polarizing device and a manufacturing method therefor, and a near-eye display apparatus. The optical polarizing device includes: a reflective polarizing film, a linear polarizing coating located on one side of the reflective polarizing film, and a phase retardation coating located on the other side of the reflective polarizing film. A distance between at least one of the linear polarizing coating and the phase retardation coating and a surface of the reflective polarizing film is less than 0.5 micrometers.

Abstract: A method for colour component prediction, an encoder, a decoder and a storage medium are provided. The method includes that: prediction parameters of a current block are determined, the prediction parameters including a prediction mode parameter and a size parameter of the current block; when the prediction mode parameter indicates that a Matrix-based Intra Prediction (MIP) mode is adopted to determine an intra prediction value of the current block, an MIP weight matrix of the current block, a shift factor of the current block and an MIP input sample matrix of the current block are determined; and the intra prediction value of the current block is determined according to the MIP weight matrix, the shift factor and the MIP input sample matrix.

Abstract: Embodiments of this application are applicable to the field of terminal technologies, and provide a file storage location determining method and apparatus, and a terminal. The method includes: A first terminal determines a plurality of candidate paths corresponding to a target file. Each candidate path points to one file storage location. The first terminal obtains file information of the target file. The first terminal determines, based on the file information and the plurality of candidate paths, a file storage location pointed to by a first candidate path in the plurality of candidate paths as a storage location of the target file. A matching degree of the first candidate path is a highest matching degree in matching degrees of the plurality of candidate paths. According to the foregoing method, accuracy of determining the file storage location is improved.

Abstract: An anti-loosening bolt and nut assembly includes a bolt, a nut, and a locking member. A screw rod of the bolt has an upper portion formed with an external thread and a lower portion formed with a retaining section. The nut has an upper cavity formed with an internal thread and a lower portion formed with a locking section. The locking section has elasticity. When the locking section is pressed, the locking section is in tight fit with the retaining section. The locking member is sleeved on the locking section. The locking member has an inner cavity with a tapered section. When the locking member is rotated, the nut is moved axially for the tapered section to be pressed against the locking section tightly. The bolt and nut assembly provides an anti-loosening effect, has few parts, and can be operated easily in a narrow space.

Abstract: A ripple detection device and a ripple suppression device. The ripple detection device includes: a ripple sampling unit, at least two DC sampling units, and a digital signal processing unit; the ripple sampling unit outputs a first voltage signal at an output port of a non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit; the DC sampling unit outputs a first DC signal in a second voltage signal at a connected port of the non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit and blocks an AC signal in the second voltage signal to be output to the digital signal processing unit; the digital signal processing unit determines a ripple noise signal at the output port of the non-isolated DC/DC bidirectional energy conversion unit according to the first voltage signal and the first DC signal.

Abstract: This application provides an image processing method, a network training method, and a related device, and relates to image processing technologies in the artificial intelligence field. The method includes: inputting a first image including a first vehicle into an image processing network to obtain a first result output by the image processing network, where the first result includes location information of a two-dimensional (2D) bounding frame of the first vehicle, coordinates of a wheel of the first vehicle, and a first angle of the first vehicle, and the first angle of the first vehicle indicates an included angle between a side line of the first vehicle and a first axis of the first image; and generating location information of a three-dimensional (3D) outer bounding box of the first vehicle based on the first result.

Abstract: An open microfocus X-ray source and a control method thereof are provided. The open microfocus X-ray source includes: an open X-ray tube, a high voltage power supply (HVPS) system, a vacuum system and a control system. The open X-ray tube includes a cathode system, a deflection system and a focusing system. The HVPS system is configured to provide an emission current I0, an accelerating high voltage U0 and a grid voltage UG for an electron beam. The vacuum system is configured to perform vacuumization. The control system is configured to control, according to a spot size of an electron beam for bombarding an anode target, the HVPS system to adjust the emission current I0, the accelerating high voltage U0, a deflection coil current IXY of the deflection system, and a focusing coil current IF of the focusing system, such that the spot size meets a preset requirement.

Abstract: The present disclosure is related to systems and methods for radiation. The method may include obtaining a plurality of reference images of a target of a subject and reference physiological motion information of the subject. The plurality of reference images and the reference physiological motion information may be acquired in a radiation period. The method may include establishing a correlation model based on the plurality of reference images and the reference physiological motion information. The method may include monitoring real-time motion information of the target based on the correlation model during a radiation operation performed during the radiation period.

Abstract: The present disclosure relates to the field of microelectronics and solid-state electronics, and in particular to a calibration system and method for weighting errors brought about by parasitic capacitance in split capacitor-based successive approximation analog-to-digital converters. The method uses an MSB array that does not add additional capacitors, only a switch SM to reduce the comparator design difficulty. Meanwhile, an LSB array may add a calibration DAC array CA including a binary array of P-bit unit capacitors, a calibration structure Cfraq, and a ground switch Sk. The calibration structure Cfraq includes four unit capacitors and two switches S1 and S2. By controlling the switches S1 and S2 different capacitance values can be generated to reduce the chip area consumption. This structure can reduce the error to LSB/4 and the weighting error of the ADC, and increases the effective number of bits of the ADC without excessively increasing comparator gain.

Abstract: A computer-implemented method of executing a script formed from a locking script of a first blockchain transaction and an unlocking script of a second blockchain transaction, wherein the script comprises a first script portion, a version function, and a second script portion, and wherein the method comprises: a native script engine executing the first script portion; upon encountering the version function, the native script engine terminating execution of the script and determining whether the first script portion is valid according to a blockchain protocol; in response to determining that the first script portion is valid, the native script engine supplying a sub-script comprising at least the version function and the second script portion to a versioned script engine; and the versioned script engine executing the sub-script, wherein the execution of the sub-script by the versioned script engine does not affect the validity of the first and/or second blockchain transactions.

Abstract: The present invention relates to a micro-subminiature microwave gyromagnetic circulator comprising a housing and a first ceramic ring ferrite, a central conductor, a second ceramic ring ferrite and a medium ferrule mounted inside the housing; the medium ferrule comprises a pin, and a foot of the central conductor is provided with a through-hole matching the pin; the pin comprises an extension and a fixed portion which are connected, wherein the diameter of the extension is smaller than the diameter of the fixed portion, the pins and the feet are welded at the through-holes via solder paste, and a tin-containing tank is provided at the connection between the extension and the fixed portion. The microwave gyromagnetic circulator can be micro-subminiature without decreasing bandwidth. The structure stability and conduction stability of the microwave gyromagnetic circulator are improved by welding the central conductor to the pin and providing a tin-containing tank on pin.

Abstract: Disclosed are a device and method for detecting defects of a high-voltage cable cross-bonded grounding system. The method selects a protective grounding box of a cross-bonded grounding system, respectively connects a signal excitation coupler to A-phase, B-phase and C-phase coaxial cables of the protective grounding box, selects a stable signal with a frequency different from a power frequency or a field interference frequency, and tests effective current values and phases responded by the A-phase, B-phase and C-phase coaxial cables when the stable signal with the frequency F1 is injected into the A-phase, B-phase and C-phase coaxial cables of the protective grounding box; and obtains resistances and inductances of branch circuits of the cable cross-bonded grounding system by calculation according to measurement data, and determines if the cable cross-bonded grounding system has a connection defect.

Abstract: A display substrate and a display device are provided. The display substrate includes a first display region including first light emitting unit groups and first pixel circuit groups connected with the first light emitting unit groups, a second display region including second light emitting unit groups, second pixel circuit groups connected with the second light emitting unit groups and third pixel circuit groups, and a third display region including third light emitting unit groups connected with the third pixel circuit groups. Each light emitting unit group includes light emitting units of different colors. The light emitting unit includes a main body electrode, an area of the main body electrode of at least one color light emitting unit in the third display region is greater than that of a main body electrode of the same color light emitting unit in the first display region.

Abstract: The present disclosure may provide a radiation system including a first rotation portion, a second rotation portion, a treatment head, one or more imaging sources, and at least one detector. At least a portion of the treatment head may be disposed in the first rotation portion. At least one of the one or more imaging sources may be disposed in the second rotation portion. The second rotation portion may be able to rotate independently from the first rotation portion.

Abstract: Described are a system, method, and computer program product for dynamic node classification in temporal-based machine learning classification models. The method includes receiving graph data of a discrete time dynamic graph including graph snapshots, and node classifications associated with all nodes in the discrete time dynamic graph. The method includes converting the discrete time dynamic graph to a time-augmented spatio-temporal graph and generating an adjacency matrix based on a temporal walk of the time-augmented spatio-temporal graph. The method includes generating an adaptive information transition matrix based on the adjacency matrix and determining feature vectors based on the nodes and the node attribute matrix of each graph snapshot.

Abstract: The present disclosure provides a pixel array and a display device. The pixel array includes first sub-pixels, second sub-pixels and third sub-pixels; the first sub-pixels and the third sub-pixels are alternately arranged along a first direction to form first pixel groups, and are alternately arranged along a second direction to form third pixel groups; the second sub-pixels are arranged along the first direction to form second pixel groups, and are arranged along the second direction to form fourth pixel groups; wherein the first pixel groups and the second pixel groups are alternately arranged in the second direction; the third pixel groups and the fourth pixel groups are alternately arranged along the first direction; wherein a shape of the second sub-pixel includes a polygon, a plurality of sides of the polygon include straight lines or arcs, and the shape of the second sub-pixel includes at most one symmetry axis.

Abstract: An electronic device includes: a substrate; a plurality of electronic components disposed on the substrate, wherein there is a first pitch between two adjacent electronic components in a first direction; and a protective glue disposed on the substrate and the electronic components, and provided with at least one groove disposed between the two adjacent electronic components, wherein a distance between an edge of one of the two adjacent electronic components and the at least one groove satisfies an equation: 0.3 mm ? D ? 1 < ( P / 2 ) , where D1 is the distance between the edge of the one of the two adjacent electronic components and the at least one groove, and P is the first pitch.

Abstract: Provided are K-Ras mutant protein inhibitors of formula (I), a composition containing the same and the use thereof.

Abstract: A fin field-effect transistor device with hybrid conduction mechanism, including a fin field-effect transistor, a second source region, and a second drain region; the fin field-effect transistor includes a substrate, a fin channel region, a first source region, and a first drain region; the height of the second source region is not lower than the height of the substrate between the first source region and the first drain region; the first source region, the first drain region and the second drain region are doped with first ions; the second source region is formed between the substrate and the first source region, the second drain region is formed between the substrate and the first drain region, the second source region is doped with second ions. This scheme can realize hybrid conduction of fin channel diffusion drift current and bottom channel band-to-band tunneling current, thus obtaining better ultra-steep switching characteristics.