Abstract: A genome-specific gene sequence fragment of female Acipenser Dabryanus and a method for identifying the sex of Acipenser Dabryanus are disclosed. The gene sequence fragment of Acipenser Dabryanus is used to identify the sex of Acipenser Dabryanus. The method includes: performing PCR amplification on the DNA of the Acipenser Dabryanus to be tested, and judging that the Acipenser Dabryanus to be tested is female when a resultant product from the amplification shows 3 bands on an agarose gel and the Acipenser Dabryanus to be tested is male when a resultant product from the amplification shows 2 bands on an agarose gel, alternatively, judging that the Acipenser Dabryanus to be tested is female when a resultant fragment from the amplification has a 1402 bp band and it is male if there is no 1402 bp band. The gene sequence fragment is used to quickly and efficiently identify the sex of Acipenser Dabryanus.

Abstract: Application of glutamate dehydrogenase GdhA of Peptostreptococcus asaccharolyticus in increasing the yield of poly-?-glutamic acid from Bacillus licheniformis. The glutamate dehydrogenase GdhA of the Bacillus licheniformis WX-02 per se is replaced with the glutamate dehydrogenase derived from the Peptostreptococcus asaccharolyticus by means of homologous recombination, which significantly increases the level of synthesizing the poly-?-glutamic acid for the Bacillus licheniformis, and the yield of the obtained poly-?-glutamic acid from strains is increased at least by more than 20% compared with control strains.

Abstract: A multi-procedure integrated automatic production line for hard alloy blades under robot control is provided. The production line includes a rail-guided robot. A cutter passivation device and a blade cleaning and drying device are arranged on one side of the rail-guided robot. A blade-coating transfer table, a blade coating device, a blade boxing transfer table, a blade-tooling dismounting device and a blade boxing device are sequentially arranged on another side of the rail-guided robot. The blade-tooling dismounting device is arranged on one side of the blade boxing transfer table. The production line further includes squirrel-cage toolings for carrying the blades. The squirrel-cage tooling that are loaded with the blades can run among the cutter passivation device, the blade cleaning and drying device, the blade-coating transfer table and the blade boxing transfer table. The blades after being treated through the blade-tooling dismounting device are sent to the blade boxing device.

Abstract: An intelligent air curtain system on buses based on computer vision technology is provided, the air curtain system includes a data collection system, an information processing system, a terminal control system, and a terminal broadcast system. The data collection system collects video information in a front area. The information processing system includes an object detection part, a safety judgment part, a return air volume monitoring part, a posture judgment part, and an information calculation part. The object detection part and the safety judgment part judge the safety of a driver. The posture judgment part determines whether a passenger wears a mask properly. The information calculation part is configured to calculate a facial temperature of the passenger and transmit the facial temperature to the terminal control system and the terminal broadcast system. The terminal control system is configured to control an air curtain. The terminal broadcast system is configured for reminder.

Abstract: An image sensor includes: a pixel array, the pixel array including a plurality of pixels, and each pixel including a plurality of sub-pixels, wherein the sub-pixels in a same pixel share a same floating diffusion region (FD); each pixel including a pixel circuit provided with a plurality of output ends, and the pixel circuit being used for transferring charges generated by at least one photoelectric conversion element in a same pixel to the FD for accumulation, and selecting at least one output end to output analog signals corresponding to the charges in the FD; and a plurality of first conversion circuits, each first conversion circuits being used for performing analog-to-digital conversion on each analog signal outputted by a same pixel circuit, and reading a converted digital signal together with the pixel circuit on the basis of a full-resolution output mode or a first-stage combined output mode.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.

Abstract: Disclosed are an information interaction method and apparatus, and an electronic device. One specific embodiment of the method comprises: in response to a user logging in to a live interface initiated based on a multimedia conference, displaying a live data stream of the multimedia conference in the live interface initiated based on the multimedia conference, wherein the live data stream is generated on the basis of an interactive data stream of a participating user of the multimedia conference; receiving interactive content input by the user on the basis of the live data stream, and generating interactive information according to the interactive content; and sending the interactive information to a serving end, so as to instruct the serving end to send the interactive information to a terminal device that displays the live interface. The communication efficiency of information related to the content of a multimedia conference is thus improved.

Abstract: The present disclosure discloses an atmospheric-pressure plasma equipment for fabric functional finishing and its application, and belongs to the field of textile printing and dyeing engineering. The atmospheric-pressure plasma equipment, including a discharging system, a grafting instrument and a cloth guider, can conduct continuous plasma treatment on fabrics under an atmospheric pressure, including plasma etching and plasma grafting, which breaks through the disadvantage of batch processing of vacuum plasma equipment. The equipment and method of the present disclosure realize functional finishing of the fabrics in the absence of water, and this finishing process is cost efficient, environmentally friendly, uniform, shorter treatment time and higher reactivity, and applicable to many materials and can keep the bulk properties of the treated substances.

Abstract: An automobile hub fixture includes a fixture body and a positioning apparatus. The fixture body includes a fixed platform and a plurality of clamping claws arranged at intervals in a circumferential direction of the fixed platform. The clamping claws are configured to clamp an outer rim of a hub. The plurality of clamping claws are connected to a driving member by using a linkage, and the driving member drives the clamping claws to radially move along the fixed platform. The positioning apparatus includes a movable platform slidably connected to the clamping claws. A positioning module configured to position an inner rim or the outer rim of the hub is mounted to the movable platform. The machining device includes a fixture, a machine tool, and a minimal quantity lubrication apparatus. The production line includes a machining device, a loading system, a loading and unloading manipulator, and a catching table.

Abstract: The present disclosure discloses an electronic table card, a fixed seat of an electronic table card and an electronic table card assembly. The fixed seat includes a base seat and a fixing assembly. The base seat includes a bottom plate and two side plates. The two side plates cooperate with the bottom plate to form a triangular structure, and each of the side plates is provided with a mounting opening that has a shape corresponding to that of the protrusion of the electronic table card and allows the protrusion to probe into the triangular structure. The fixing assembly is configured to be clamped with the clamping slot of the protrusion extending into the triangular structure.

Abstract: A tubular LED lamp to be used with an external electronic power controlling device which is adapted to provide an input voltage to the lamp, comprising: a LED unit; a driving circuit for the LED unit; and a safety detection circuit adapted to detect whether the tubular LED lamp is correctly connected to an external lamp fixture; characterized in that further comprising: a holding current providing circuit adapted to provide a holding current through the electronic controlling device so as to maintain the electronic controlling device to be conductive; and a controlling circuit adapted to synchronize the safety detection circuit with the holding current providing circuit such that the safety detection circuit is adapted to carry out the detection when the hold current providing circuit is adapted to provide the holding current and the electronic controlling device is conductive; wherein the controlling circuit is adapted to deactivate the holding current providing circuit and the safety detection circuit after

Abstract: In one implementation, a method is performed for generating metadata estimations based on metadata subdivisions. The method includes: obtaining an input image; obtaining metadata associated with the input image; subdividing the metadata into a plurality of metadata subdivisions; determining a viewport relative to the input image based on at least one of head pose information and eye tracking information; generating one or more metadata estimations by performing an estimation algorithm on at least a portion of the plurality of metadata subdivisions based on the viewport; and generating an output image by performing an image processing algorithm on the input image based on the one or more metadata estimations.

Abstract: A circuit comprising: a common terminal, first terminal and second terminal, wherein the common terminal is coupled to a first and second circuit branch at a branch node; wherein the first/second circuit branches include a respective first/second quarter wavelength transmission line having a first end coupled to the branch node and a second end respectively coupled to the first/second terminal; wherein the first and second terminals are coupled together via a branch-interconnection arrangement; wherein the circuit comprises: a first switched arrangement comprising a first switch having a first and second switch-terminal, wherein the first switch-terminal is coupled to the common terminal, and wherein a first resistor and a first capacitor are arranged in parallel and coupled between the second switch-terminal and a reference terminal; and a second switched arrangement coupled to the first terminal, wherein the first quarter wavelength transmission line is coupled between the first and second switched arrangem

Abstract: A laser fusion welding device includes a 1.9 ?m laser light source, a control unit and a light spot adjusting device. The control unit is configured to control the laser light source and the light spot adjusting device to adjust a laser power density at an object to be subjected to fusion welding. The 1.9 ?m laser light source has output power of 100-500 W. The control unit includes a time control unit, a power control unit and a light spot control unit. The time control unit is configured to control a turn-on time of the laser light source. The power control unit is configured to control the output power of the laser light source. The light spot control unit is configured to control the light spot adjusting device to adjust a size of a light spot at the object to be subjected to fusion welding.

Abstract: The present invention relates to a powder dry-pressing molding device and method.

Abstract: Disclosed is a plane grating calibration system, comprising an optical subsystem, a frame, first vibration isolator, a vacuum chuck, a workpiece stage, second vibration isolator, a base platform and a controller; the optical subsystem is mounted on the frame, and the frame is isolated from vibration by the first vibration isolator; the vacuum chuck is rotatably mounted on the workpiece stage, the workpiece stage is positioned on the base platform, and the base platform is isolated from vibration by the second vibration isolator. A displacement interferometer is integrated into the optical subsystem, and the entire optical subsystem adopts a method of sharing a light source, thereby avoiding the problems of low wavelength precision and poor coherence of separate light sources.

Abstract: A circuit comprising: a digital attenuator part comprising: a first and second attenuator terminal; a first inductor having a first terminal coupled to the first attenuator terminal and a second terminal coupled to the second attenuator terminal; a first switched arrangement comprising a first switch having a first switch-terminal and a second switch-terminal, wherein the first switch-terminal is coupled to the first terminal of the first inductor, and a first resistor and a first capacitor are arranged in parallel, coupled between the second switch-terminal and a reference voltage; and a second switched arrangement comprising a second switch having a first switch-terminal and a second switch-terminal, wherein the first switch-terminal is coupled to the second terminal of the first inductor, and wherein a second resistor and a second capacitor are arranged in parallel and coupled between the second switch-terminal and the reference voltage.

Abstract: Aspects of the technology described herein relate to improved semiconductor-based image sensor designs. In some embodiments, an integrated circuit may comprise a photodetection region and a drain region electrically coupled to the photodetection region, and the photodetection region may be configured to induce an intrinsic electric field in a direction from the photodetection region to the drain region(s). In some embodiments, a charge storage region and the drain region may be positioned on a same side of the photodetection region. In some embodiments, at least one drain layer may be configured to receive incident photons and/or charge carriers via the photodetection region. In some embodiments, an integrated circuit may comprise a plurality of pixels and a control circuit configured to control a transfer of charge carriers in the plurality of pixels.

Abstract: A user equipment (UE) device may include a processor configured to obtain a configuration specification for at least one discontinuous transmission parameter, wherein the configuration specification includes different values for at least two different Quality of Service (QoS) classes. The processor may be further configured to detect uplink data that is to be sent by the UE device to a device via a base station; determine a QoS class associated with the uplink data; select a value for the at least one discontinuous transmission parameter based on the configuration specification and the determined QoS class associated with the uplink data; and send the uplink data to the base station based on the selected value for the at least one discontinuous transmission parameter.