Abstract: Described herein are apparatuses, systems, and methods for fabricating tissue constructs, such as by fabricating perfusable tissue constructs by embedding a sacrificial material into a composite matrix yield stress support bath. A composite matrix bath can include a microgel filler and a hydrogel precursor. An extrusion tip can be used for embedded printing of perfusable tissue constructs by disposing sacrificial material into the composite matrix bath while the extrusion tip travels along a predefined course through the composite matrix bath. This sacrificial material can be the printed tissue construct or can be removed to render the matrix bath a perfusable tissue construct. The composite matrix bath can include acellular or cell-laden hydrogels. The sacrificial material can include a salt and a physiological buffer or a non-cytotoxic porogen material. The hydrogel precursor can include at least one of gellan and gelatin. Cross-linking can be carried out chemically, thermally, enzymatically, or physically.

Abstract: The present application relates to the technical field of display, and discloses an OLED display panel and a display device. The OLED display panel includes a drive backplane; and an OLED device, an encapsulation structure and a color resistor structure which are arranged on the drive backplane; the encapsulation structure and the color resistor structure are located on a side, facing away from the drive backplane, of the OLED device, and the color resistor structure includes a chromatic color resistor layer, a first BM and a second BM; and the first BM is located on a side, facing away from the drive backplane, of the chromatic color resistor layer, and the second BM is located on a side, facing the drive backplane, of the chromatic color resistor layer.

Abstract: A random access method includes working, by a user equipment (UE), on a first bandwidth part (BWP), where the first BWP is a currently active BWP, when the UE needs to perform a random access procedure, the UE performs the random access procedure on an initial BWP or on the first BWP, and when the UE receives BWP switching indication information from a network device instructing the UE to use a second BWP when performing the random access procedure on the first BWP, continuing, by the UE, to perform the random access procedure on the first BWP, or stopping, by the UE, performing the random access procedure on the first BWP, and performing the random access procedure on the second BWP.

Abstract: An optical positioning code disk, device and method for a microfluidic chip are provided. A cross section of an outer contour of the code disk is circular. N light transmissive openings are arranged uniformly around the code disk. The device includes: the code disk, a positioning pin, a rotating shaft, a motor, an internal photoelectric switch and an external photoelectric switch. A positioning surface is provided on the rotating shaft. The motor is fixedly connected with an end of the rotating shaft, and the other end of the rotating shaft passes through a center of the cross section of the code disk. The internal and external photoelectric switches are configured to identify the light transmissive openings on the code disk.

Abstract: An inspection system, including: at least one ray source rotatable between at least two scanning positions around a rotation axis, and a rotation angle of at least one ray source between two adjacent scanning positions is greater than an angle of adjacent target spots of each ray source relative to the rotation axis; a detector assembly, and a conveying device configured to carry an object to be inspected. At least one ray source and the detector assembly are movable in a traveling direction relative to the conveying device, so that the object to be inspected may enter an inspection region. When at least one ray source is located at one scanning positions, at least one ray source and the detector assembly move in the traveling direction relative to the conveying device and at least one ray source emits X-rays; after moving a predetermined distance, at least one ray source rotates around the rotation axis to another scanning position.

Abstract: The present disclosure provides a method for noise control based on a smart gas platform, wherein the method is executed by a smart gas safety management platform of an Internet of Things (IoT) system for noise control based on the smart gas platform, comprising: obtaining noise data of a gas field station through a sound sensor, the sound sensor being arranged at least one monitoring position of the gas field station, and any one monitoring position having a corresponding monitoring period; determining noise change features of the at least one monitoring position based on the noise data; and determining target operating parameters of the gas field station based on the noise change features, the target operating parameters including a target gas flow rate of a gas pipeline in the gas field station.

Abstract: The embodiments of the present disclosure provide a method for troubleshooting potential safety hazards of a compressor in a smart gas pipeline network and an Internet of Things system thereof. The method comprises: performing a purification process on sound data of a gas compressor, and determining a target sound feature; establishing a feature data vector library based on networked data and reference device data; determining a current gas data vector and a current device data vector based on gas data and device data, respectively; searching the feature data vector library based on the current gas data vector and the current device data vector, and determining a reference sound feature and a reference vibration feature that meet a preset condition as a standard sound feature and a standard vibration feature; and predicting whether there is a safety hazard in the gas compressor using a hazard model.

Abstract: A method for selecting a grasp posture of a dual-arm robot includes: setting a fitness value range, an iteration quantity threshold, and a fitness function; calculating the fitness value of the population, determining whether the population is within the value range, ending an iteration if the population is within the value range or continuing to determine whether a quantity of iterations reaches the iteration quantity threshold if the population is not within the value range, ending the iteration if the quantity of iterations reaches the iteration quantity threshold or performing crossover and mutation operations if the quantity of iterations does not reach the iteration quantity threshold, and dynamically selecting a gene retention strategy based on an iteration depth and a fitness value to retain a gene; updating a gene population representing a grasping position and performing determining cyclically; and obtaining an optimal target corresponding to dual arms after the iteration.

Abstract: This disclosure discloses signal configuration methods and apparatuses. In an implementation, a method comprises: generating at least two reference signals of a same type corresponding to at least two antenna ports indicated to a terminal device, wherein the at least two reference signals comprise a first reference signal and a second reference signal, wherein a first sequence of the first reference signal is obtained based on a first initialization factor determined based on an index of a first code division multiplexing (CDM) group, and wherein a second sequence of the second reference signal different from the first sequence is obtained based on a second initialization factor determined based on an index of a second CDM group; and transmitting the at least two reference signals.

Abstract: The present application relates to the technical field of display, and discloses an OLED display panel and a display device. The OLED display panel includes a drive backplane; and an OLED device, an encapsulation structure and a color resistor structure which are arranged on the drive backplane; the encapsulation structure and the color resistor structure are located on a side, facing away from the drive backplane, of the OLED device, and the color resistor structure includes a chromatic color resistor layer, a first BM and a second BM; and the first BM is located on a side, facing away from the drive backplane, of the chromatic color resistor layer, and the second BM is located on a side, facing the drive backplane, of the chromatic color resistor layer.

Abstract: Disclosed is a detachable modularized test platform. The detachable modularized test platform includes a gantry, a control box and a jig box, where a test area is arranged on the jig box, an air cylinder is arranged on the gantry, a control assembly is mounted in the control box, and a test assembly is mounted in the jig box; during testing, a sample to be tested is placed on the test area, and the upper computer sends an instruction to control the air cylinder to extend a driving rod to move to the sample to be tested; and the upper computer sends the instruction to the control assembly in the control box, to complete testing of the sample, and output and upload test data to a server for saving. The present invention employs a modularized structure, which reduces a size, detection is convenient, and applicability is high.

Abstract: Disclosed is a test box with circuit boards assembled by means of guide rails. The test box includes a box body, a guide rail assembly, a main circuit board, functional circuit boards and an adapter circuit board are arranged in the box body, the functional circuit boards and the main circuit board are perpendicularly in snap fit with the guide rail assembly and are in plug-in connection to the main circuit board by means of terminals, and the adapter circuit board is installed on the inner side wall of the box body and is in plug-in connection to the functional circuit boards by means of terminals. According to the invention, the circuit boards are installed by means of the guide rails, installation procedures are simplified, assembly efficiency is improved, assembly difficulty is reduced, and a space utilization rate is improved.

Abstract: Described herein are injectable composite inks composed of a hydrogel continuous phase with a plurality of microgels present within the hydrogel continuous phase. The inks described herein have unique chemical and physical properties that enable them to be printed into a number of different types of articles. The articles produced by the injectable composite inks have numerous medical applications.

Abstract: The disclosure provides a display substrate, a manufacturing method thereof and a display device. The display substrate has a plurality of subpixel regions. The display substrate includes a base substrate and a pixel definition layer on the base substrate. The pixel definition layer defines a plurality of subpixel openings and each of the subpixel openings occupies one subpixel region. The display substrate further includes a functional medium layer on a side of the pixel definition layer away from the base substrate. The functional medium layer includes a first portion covering side surfaces of the subpixel opening and a second portion covering a top surface of the pixel definition layer. In the same subpixel region, surface energy of the first portion is greater than surface energy of the second portion.

Abstract: Embodiments of the present disclosure provide for coaxial nozzles, capsule fabrication systems comprising coaxial nozzles, and methods of capsule fabrication using capsule fabrication systems. In certain embodiments, coaxial nozzle configurations, capsule fabrication systems, and methods as described herein can be used for multi-layered capsule fabrication.

Abstract: A container kernel upgrade based on a programmable container kernel, includes, in response to receiving a container kernel upgrade request, freezing an application container in which a to-be-upgraded first container kernel is located. Current container status data of an application container including first container kernel status data and application status data is stored. The application container is restarted by using a second container kernel used for upgrading a container kernel, where restarted container status data of the restarted application container includes second container kernel status data corresponding to the second container kernel when the application container is restarted. Using the stored current container status data, a corresponding data field is updated in a data structure of the restarted container status data.

Abstract: A media management system including an application layer, a system layer, and a solid state drive (SSD) storage layer. The application layer includes a media data analytics application configured to assign a classification code to a data file. The system layer is in communication with the application layer. The system layer includes a file system configured to issue a write command to a SSD controller. The write command includes the classification code of the data file. The SSD storage layer includes the SSD controller and erasable blocks. The SSD controller is configured to write the data file to one of the erasable blocks based on the classification code of the data file in the write command. In an embodiment, the SSD controller is configured to write the data file to one of the erasable blocks storing other data files also having the classification code.

Abstract: A clock oscillator, a clock oscillator production method and use method, and a chip including the clock oscillator are provided. The clock oscillator includes a resonator, a shock-absorbing material layer, and a base, and at least a part of the shock-absorbing material layer is located between the resonator and the base. In the clock oscillator, the shock-absorbing material layer is added between the resonator and the base, and the shock-absorbing material layer can effectively prevent a mechanical wave from being conducted between the base and the resonator, so that the resonator is protected from external vibration. This can ensure, when there is external vibration, that an output frequency of the resonator is not deteriorated and improve shock absorption performance of the clock oscillator.

Abstract: A startup stage protection device used in Electric Multiple Unit (EMU) train coupler experiment is provided between two test cars. The startup stage protection device is arranged between and tightly abuts two test cars at the starting stage of the experiment to receive a compressing force in place of the coupler. The startup stage protection device separates from the two test cars after the end of the starting stage.

Abstract: An ultra-wideband electromagnetic band gap (EBG) structure includes multiple EBG units in an array. Each EBG unit includes a power plane, a dielectric substrate and a ground plane from top to bottom. The power plane includes a patch, a coupled complementary split ring resonator (C-CSRR) and a plurality of semi-improved Z-bridge structures. Each edge of the patch is provided with a semi-improved Z-bridge structure. The C-CSRR is provided within a ring formed by the semi-improved Z-bridge structures. The Z-bridge structure includes a first horizontal branch, a first vertical branch, a second horizontal branch and a second vertical branch connected in sequence. The second vertical branch is connected to the patch. First horizontal branches of adjacent EBG units are connected to each other. A circuit board including the aforementioned EBG structure is also provided.