Abstract: The disclosure relates to a process for continuously producing polyoxymethylene dimethyl ethers at low temperature, pertains to the technical field of polyoxymethylene dimethyl ether preparation processes, and solves the technical problem of continuous production of polyoxymethylene dimethyl ether. A membrane separation element with precisely controlled pores in membrane is used to realize a direct separation of the feedstocks from the catalyst within the reactor, and effectively reduce the permeation resistance of the separation membrane tube. By oppositely switching the flowing direction of liquid reaction materials, the adhesion of the catalyst to the separation membrane tube is inhibited, and some particles stuck in separation membrane tube are removed, which ensures the continuous operation of the reaction process and allows a molecular sieve catalyst to exhibit its advantage of long catalytic life.

Abstract: A display device comprises a substrate provided with a first subpixel area and a second subpixel area, a first electrode provided on the substrate, including a first sub electrode provided in the first subpixel area and a second sub electrode provided in the second subpixel area, an organic light emitting layer including a first organic light emitting layer arranged on the first sub electrode and a second organic light emitting layer arranged on the second sub electrode, and a second electrode arranged on the organic light emitting layer, wherein the first organic light emitting layer includes a first pattern layer, a second pattern layer provided on the first pattern layer and a third pattern layer provided on the second pattern layer, the second organic light emitting layer includes a first pattern layer, a second pattern layer provided on the first pattern layer and a third pattern layer provided on the second pattern layer, the first pattern layer of the first organic light emitting layer is spaced apart

Abstract: An optical device is provided. The optical device includes: a lens including first and second reflective members; and a flexible display device including a first display area disposed on a first side surface of the lens and a second display area disposed on a second side surface of the lens, wherein the first reflective member is configured to reflect a first image displayed on the first display area to a first surface of the lens, and the second reflective member is configured to reflect a second image displayed on the second display area to the first surface of the lens.

Abstract: A reticle and a method for manufacturing a reticle are provided. The method includes forming a reflective multilayer (ML) over a front-side surface of a mask substrate. The method further includes forming a capping layer over the reflective ML. The method further includes forming a sacrificial multilayer over the capping layer. The method further includes forming an opening in the sacrificial multilayer to expose the capping layer. The method further includes forming a first absorption layer over the sacrificial multilayer and covering the capping layer in the opening. The method further includes removing the first absorption layer outside the opening in the sacrificial multilayer to form a first absorption pattern on a portion of the capping layer.

Abstract: Disclosed is a method for preparing bitter Ganoderma lucidum spore powder, and relates to the field of drugs or health care products. The method includes: removing visible impurities from Ganoderma lucidum spores, conducting ice bath and heating extraction, filtering through a microfiltration membrane, sterilizing by drying, and conducting sporoderm disruption to obtain the bitter Ganoderma lucidum spore powder. The preparation method effectively improves the content of the bitter substances in the Ganoderma lucidum spore powder by removing shriveled spores through multiple times of impurity removal and filtration in combination with the manner of conducting sporoderm disruption after extraction. Taking the total Ganoderma lucidum triterpenoids in the Ganoderma lucidum spores as a representative of the bitter substances, the content of the total Ganoderma lucidum triterpenoids can reach 5-8%. Meanwhile, the preparation method can also make the content of Ganoderma lucidum polysaccharides reaching 6-10%.

Abstract: A single position indicator that can be used with a plurality of different types of position detection systems. The position indicator includes a communication circuit which, in operation, communicates with an outer device, a configuration circuit which, in operation, performs an initial setting process based on a signal from the outer device, a signal generation circuit which, in operation, generates a stylus position signal, and a control circuit. The control circuit, in operation, controls transmission of the stylus position signal based on an initial setting of at least one switch circuit that is set by the initial setting process performed by the configuration circuit, and controls reception of a signal received from the outer device via the communication circuit.

Abstract: The invention relates to a suction unit for a wastewater tank, comprising a suction channel extending from a suction adapter designed for attachment to a suction port in the wastewater tank, a connection coupling extending from the suction adapter, wherein said connection coupling and said suction channel are arranged so that the suction channel extends into the wastewater tank, a suction pump connected fluid-tightly to the connection coupling, and a pump control unit in signal communication with the suction pump. A flushing channel extends from a flush adapter designed for attachment to a flushing hole in the wastewater tank, the pump control unit being configured to extract wastewater from the wastewater tank through the suction channel, the connecting line and the suction pump by means of the suction pump, and wastewater is flushed from the wastewater tank through the flushing channel.

Abstract: A coupling system is configured to axially couple a motor shaft rotating in a motor housing to a gearbox shaft rotating in a gearbox housing. The coupling system has a set screw and a socket. The set screw couples the two housings together. The socket is configured to receive the set screw. The socket being configured to can slide in a first of the motor housing and the gearbox housing in a direction of a second of the motor housing and the gearbox housing under a thrust force of the set screw during tightening thereof, in order to press the socket against the second of the motor housing and the gearbox housing at a mating surface of the second of the motor housing and the gearbox housing, so as to eliminate any play between the second of the motor housing and the gearbox housing at the mating surface.

Abstract: The disclosure discloses a wheel rim straightening device. The wheel rim straightening device includes a lifting platform; the lifting platform is symmetrically provided with a left horizontal sliding table and a right horizontal sliding table; the left horizontal sliding table and the right horizontal sliding table are each provided with a vertical sliding table; and the two vertical sliding tables are provided with an inner pressure head which extends outwardly and corresponds to an outer pressure head, and a first runout detecting gauge corresponding to a second runout detecting gauge.

Abstract: The present embodiment relates to a dual camera module comprising: a substrate; a first image sensor disposed on the substrate; a second image sensor disposed on the substrate while being spaced apart from the first image sensor; a housing disposed on the upper side of the substrate; a first bobbin disposed on the upper side of the first image sensor inside the housing; a second bobbin disposed on the upper side of the second image sensor inside the housing; a first coil disposed in the first bobbin; a second coil disposed in the second bobbin; and a first magnet which is disposed between the first coil and the second coil and faces the first coil and the second coil.

Abstract: The present application provides a wheel bolt hole protection plug placing device, which includes a frame, a lifting cylinder, guiding shafts, high precision linear bearings, a flange, a connecting shaft, a roller way, a bracket, a first base, a first bearing, a first sleeve, a rotating cylinder with braking function, an end cap, a second base, a second bearing, a second sleeve, a shaft, first linear bearings, contactors, springs, a synchronous cam, a gland, a visual sensor, a mounting frame, a first linear guiding rail, a first guiding rail sliding seat, a first screw nut, a first screw, a first servo motor and so on.

Abstract: The present disclosure provides a 3D display substrate including: a plurality of sub-pixels of different colors, a driver and a plurality of plano-convex lenses located at a light-emitting side of the plurality of sub-pixels. The plurality of sub-pixels are corresponding to the plurality of plano-convex lenses in a one-to-one manner. A light-emitting surface of each of the plurality of sub-pixels is located in a focal plane of the corresponding plano-convex lens. Each of the plurality of sub-pixels includes a plurality of sub-pixel sub-portions arranged in an array. The driver is configured to drive the plurality of sub-pixel sub-portions in the same sub-pixel to display images of different grayscales to form a 3D display image.

Abstract: A pixel and a display device including the same. The pixel includes: a pixel circuit configured to control the amount of current to be supplied to an organic light-emitting diode in response to a data signal provided from a data line; and a light sensor circuit coupled between the data line and the pixel circuit and configured to control the amount of current to be supplied to the pixel circuit in response to incident light.

Abstract: A voice recognition method is provided by embodiments of the present application. The method includes: obtaining a voice signal to be recognized; and recognizing a current frame in the voice signal using a pre-trained causal acoustic model, according to the current frame in the voice signal and a frame within a preset time period before the current frame, the causal acoustic model being derived based on a causal convolutional neural network training. In the method provided by the embodiments of the present application, only the information of the current frame and the frame before the current frame is used when performing the recognition of the current frame, thereby solving a problem in voice recognition technologies based on prior art convolutional neural network where a hard delay is created because there is a need to wait for the frames after the current frame, improving the timeliness of the voice recognition.

Abstract: A gate driving circuit and a display panel are provided. The gate driving circuit includes N gate driver on array (GOA) units, wherein the N GOA units are cascaded. An nth-stage GOA unit is any one of the N GOA units. The N GOA units include at least one first GOA unit and at least one second GOA unit. Each first GOA unit and each second GOA unit include pull-up control circuits, bootstrap capacitors, pull-up circuits, pull-down circuits, and pull-down holding circuits. Each second GOA unit further includes a reset circuit.

Abstract: A microwave transistor has a patterned region between a source and a drain on a barrier layer. Within the patterned region, the surface of the barrier layer partially recessed downwards in the thickness direction to form a plurality of grooves. A gate covers the patterned region. The length of the gate is greater than the lengths of the grooves in the length direction of the gate, so as to completely cover the grooves. In one aspect, by arranging the grooves, the gate control capability of a component is improved and the short-channel effect is suppressed; in another aspect, an original heterostructure below the gate is preserved; in this way, the reduction of the conductive capability due to the reduction of the two-dimensional electron gas density is avoided; and accordingly the current output capability of the component is ensured while the short-channel effect is suppressed.

Abstract: An electronic device and method are disclosed herein. The electronic device includes a communication circuit, a processor and a memory. The memory stores instructions implementing the method executable by the device, including: establishing a communication group having a first attribute with a first external electronic device by establishing wireless communication with the first external electronic device via the at least one communication circuit, changing the attribute of the communication group from the first attribute to a second attribute while the communication group is maintained, and when wireless communication with a second external electronic device via the communication group is requested, establishing wireless communication with the second external electronic device by the communication group having the second attribute.

Abstract: Related are a method and an apparatus for protecting a clutch in a vehicle driving process. The method comprises: acquiring a current oil temperature of a space where the clutch is located and judging whether the current oil temperature is within a set temperature interval or not; in a case where the current oil temperature is within the set temperature interval, detecting whether a current wheel speed difference between front shaft and rear shaft reaches to a set wheel speed difference threshold or not; and in a case where the current wheel speed difference between the front shaft and rear shaft reaches to the set wheel speed difference threshold, triggering a first protective mode that is preset to protect the clutch; and in a case where the current oil temperature is higher than the set temperature interval, triggering a second protective mode that is preset to protect the clutch.

Abstract: A clock generator comprise a delta-sigma modulation, DSM, for generating a division control signal and a phase control signal, an oscillator, for generating an oscillation signal with a first frequency, an adjustable frequency divider, for performing a division operation on the oscillation signal according to the division control signal, to generate a first division signal and a second division signal with a second frequency, and a phase interpolator, PI, for performing a phase interpolation operation on the first and second division signals according to the phase control signal, to generate an output signal with an output frequency, wherein the first frequency is greater than the second frequency.