Abstract: A wireless headphone set and a control method for a wireless headphone set are provided. The wireless headphone set includes: a speaker component, a wireless module, a sensor component, and a control module. The control module receives a target trigger signal from the sensor component, and performs the following operations based on the target trigger signal: instructing the wireless module to establish a first pairing connection with a second headphone, instructing the wireless module to pair with a target device and establish a second pairing connection to receive audio data, sending the audio data to the second headphone, and sending the audio data to the speaker component to convert the audio data into an audio. In the process of using the wireless headphone set, a headphone case is not required, so that operation steps of the user are simplified, and user experience is improved.

Abstract: The disclosure provides a chemiluminescence detector. The chemiluminescence detector includes a reagent storage device, configured to store a reagent; a reaction device, configured to support a plurality of support reaction containers and perform a sample adding operation, a reagent adding operation and an incubating operation, the reaction device including a reaction outer disc mechanism configured to support the reaction containers and perform the reagent adding operation and an uniform mixing operation and a reaction inner disc mechanism configured to support the reaction containers and perform the incubating operation; a reagent storage device, a separate injection device, a cleaning device and a measuring device are arranged around an outer periphery side of the reaction outer disc mechanism.

Abstract: The disclosure relates to a method for improving the alkali resistance and oxidation resistance of a benzothiazole disperse dye, and belongs to the field of disperse dyes. In the disclosure, 4 kinds of diazo components and 8 kinds of coupling components are used in designing and synthesizing 28 thiazole heterocyclic azo disperse dyes, and the alkali resistance and oxidation resistance of the disperse dyes are improved. Structure confirmation is performed on the synthetic disperse dyes, and the alkali resistance, oxidation resistance and other dyeing properties of the disperse dyes are tested.

Abstract: A light-emitting substrate includes a substrate, and a plurality of light-emitting devices and a reflective layer that are disposed on a side of the substrate. The reflective layer has a plurality of openings, and the plurality of openings include a plurality of first openings; a light-emitting device is located in a first opening. A surface of the reflective layer away from the substrate has a plurality of protruding structures.

Abstract: A backplane includes a substrate, a circuit structure layer, a reflective layer, a plurality of electronic devices and a plurality of encapsulation portions. Each encapsulation portion covers an electronic device in the plurality of electronic devices. At least one first conductive line includes a first linear extending portion, a second linear extending portion and a third linear extending portion that are sequentially connected. Orthographic projections of the first linear extending portion, the second linear extending portion, the third linear extending portion and an encapsulation portion in the plurality of encapsulation portions on the substrate are respectively a first orthographic projection, a second orthographic projection, a third orthographic projection and a fourth orthographic projection.

Abstract: The present disclosure provides a carbide blade cutter head filling device and method, and relates to the field of alloy blade processing. The carbide blade cutter head filling device includes a feeding unit, a storage unit, a loading unit and a discharging unit which are arranged successively. The output end of the feeding unit is matched with the input end of the storage unit through the guide mechanism. The output end of the storage unit faces a conveying tray of the loading unit. The conveying tray is provided with a plurality of group of transition holes for accommodating blades. A receiving mechanism for accommodating a cutter head is arranged below the falling pull plate of the discharging unit. The falling pull plate adjusts the communication and isolation between the transition hole and the cutter head in the receiving mechanism by changing the relative position of the falling pull plate and the transition hole.

Abstract: Provided is a method for operating and cleaning a sample processing instrument comprising steps, performed by a control device, of: directing a first sample comprising first particles through a flow cell in the sample processing instrument; processing the first sample; cleaning the flow cell of the sample processing instrument with a cleaning agent; measuring a carryover amount in the flow cell after the cleaning, wherein the carryover amount comprises a measurement associated with an amount of the first particles remaining in a measurement region of the flow cell; comparing the measured carryover amount against a predetermined target value, wherein the target value corresponds to a value indicative of a cleaning requirement; and determining, based on the comparison, whether the cleaning requirement is met.

Abstract: A semiconductor package includes a multilayer package substrate including a first layer including a first dielectric and first metal layer including a first metal trace and a second layer including a second dielectric layer. An integrated circuit (IC) die includes bond pads, with a bottom side of the IC die attached to the first metal trace. Metal pillars are through the second dielectric layer connecting to the first metal trace. A third layer on the second layer includes a third dielectric layer on the second layer extending to a bottom side of the semiconductor package, and a second metal layer including second metal traces including inner second metal traces connected to the bond pads and outer second metal traces over the metal pillars, and filled vias providing externally accessible contact pads that connect the second metal traces to a bottom side of the semiconductor package.

Abstract: A substrate includes a device region and at least one bonding region close to any edge of the substrate relative to the device region. The substrate includes a base, device groups arranged in a first direction and a second direction, signal line groups and bridging portions. A device group includes at least one electronic element. A signal line group includes signal lines extending in the second direction and arranged at intervals in the first direction. At least one bridging portion includes a conductive portion. At least two signal lines in at least one signal line group and electrically connected by a conductive portion, and/or at least one signal line in at least one signal line group includes at least two sub-portions spaced apart in the second direction, and two adjacent sub-portions in the same signal line are electrically connected by a conductive portion.

Abstract: A polyurethane and a preparation method thereof are provided. The polyurethane is represented by Formula 1. The preparation method of the polyurethane includes performing an addition reaction between a polyester-polyether polyol represented by the Formula 4 and a di-isocyanate. The formed polyurethane has high elasticity and high moisture-permeable properties.

Abstract: A light-emitting substrate includes a substrate, a reflective layer, at least one first alignment mark disposed on the substrate, a plurality of support columns and a plurality of light-emitting devices. The reflective layer is disposed on the substrate, and the reflective layer has a plurality of openings and a plurality of installation openings. The plurality of openings include at least one first opening. A first alignment mark is exposed by a first opening. In at least one support column, an orthogonal projection of a support column on the substrate at least partially overlaps with an orthogonal projection of an opening on the substrate. The plurality of light-emitting devices are disposed on the substrate, and a light-emitting device is located in an installation opening in the reflective layer.

Abstract: A method for calculating a surface relaxation rate of a shale includes: a relaxation time T distribution curve and a pore throat radius r distribution curve are obtained through experiments; abscissas of the two distribution curves are standardized, and the abscissa of the relaxation time T distribution curve is expanded or shrunk to ensure an abscissa value corresponding to a maximum ordinate value in the transformed relaxation time T distribution curve is same as an abscissa value corresponding to a maximum ordinate value in the pore throat radius r distribution curve; straight lines with a number of N parallel to a y-axis of a combined curve graph including the two distribution curves are drawn and a ? value corresponding to each straight line is calculated; and ? value with the number of N are processed to obtain a final surface relaxation rate ??.

Abstract: A foldable electronic device includes a first device body, a second device body, an earpiece, an antenna, and a first switch control circuit. The antenna includes a main radiator and a first parasitic radiator. The main radiator is disposed on the first device body, and the first parasitic radiator and the earpiece are disposed on the second device body. When the foldable electronic device is in a folded state, the main radiator is disposed relative to the first parasitic radiator at a first interval and is coupled to the first parasitic radiator through the first interval. The first switch control circuit includes a first switch component and a plurality of different first matching branches disposed in parallel connection. One end of the first switch control circuit is connected to a ground of the second device body, and the other end is connected to the first parasitic radiator.

Abstract: A transmitter and a method for dynamically setting a current mode of the transmitter are provided. The transmitter includes a digital signal processing (DSP) circuit and a radio frequency (RF) circuit. The DSP circuit is configured to determine a target current mode by selecting one of multiple candidate current modes of the transmitter according to instantaneous transmitting (TX) information, wherein the instantaneous TX information includes at least one of a resource block (RB) information, a modulation and coding scheme (MCS), and an orthogonal frequency-division multiplexing (OFDM) type of an instantaneous TX signal. The RF circuit is configured to output the instantaneous TX signal, wherein at least one supply voltage and at least one bias voltage of a power amplifier (PA) of the RF circuit is controlled according to the target current mode. More particularly, the multiple candidate current modes correspond to different target power consumptions of the transmitter, respectively.

Abstract: An information processing method controls a CT scanner such that the method includes, but is not limited to, determining an X-ray irradiation period from an electrocardiogram acquired from an electrocardiography device attached to a living object to be imaged, by processing the electrocardiogram at multiple different cardiac phases; performing, by controlling a CT gantry including and rotatably supporting an X-ray source and an X-ray detector, a diagnostic CT scan in the determined X-ray irradiation period, of at least a part of the heart region, to obtain a CT image; and causing a display unit to display the obtained CT image. The method can be performed at least by an information processing apparatus including processing circuitry and/or computer instructions stored in a non-transitory computer readable storage medium for performing the method.

Abstract: The present invention relates to the field of sheet hot stamping and sheet metal parts manufacturing, and provides a hot bath forming process for high-corrosion-resistance easy-to-weld hot-pressed parts. The process comprises the following steps: S1, heating a coated hot-formed steel sheet material in a heating furnace, and heating to a completely austenitized state; S2, transferring the heated coated hot-formed steel sheet material into a boiling water tank, immersing the heated coated hot-formed steel sheet material into boiling water, and cleaning an oxide layer; S3, forming the coated hot-formed steel sheet material under the combined action of boiling water and an upper mold and a lower mold, and performing pressure maintaining and quenching to obtain parts; and S4, taking out the parts for air blowing or drying the parts in a drying furnace to remove water in the coating of the parts.

Abstract: A method for recovering waste lithium battery materials, comprising: (1) performing cell-disassembling on a waste lithium battery to obtain battery powder, ammonia leaching the battery powder to obtain a mixture, and subjecting the mixture to solid-liquid separation to obtain a leached solution and a filter residue; (2) adding a fluorine-phosphorus precipitating agent to the leached solution to obtain a mixture, and subjecting the mixture to solid-liquid separation to obtain a filtrate; (3) subjecting the filtrate to ammonia distillation, subjecting a mixture obtained to solid-liquid separation to obtain a filtrate and a filter residue containing basic copper carbonate and lithium carbonate; (4) washing the filter residue with water, and separating the basic copper carbonate to obtain a washing water; (5) reducing and calcining the filter residue, washing the residue, adding the washing water to the residue to collect lithium by water leaching, and filtering a mixture to obtain a filtrate.

Abstract: A rapid and automatic virus imaging and analysis system includes (i) electron optical sub-systems (EOSs), each of which has a large field of view (FOV) and is capable of instant magnification switching for rapidly scanning a virus sample; (ii) sample management sub-systems (SMSs), each of which automatically loads virus samples into one of the EOSs for virus sample scanning and then unloads the virus samples from the EOS after the virus sample scanning is completed; (iii) virus detection and classification sub-systems (VDCSs), each of which automatically detects and classifies a virus based on images from the EOS virus sample scanning; and (iv) a cloud-based collaboration sub-system for analyzing the virus sample scanning images, storing images from the EOS virus sample scanning, and storing and analyzing machine data associated with the EOSs, the SMSs, and the VDCSs.

Abstract: The present invention relates to salt and crystal form of an EGFR inhibitor, and a composition and the use thereof. The salt and crystal form of the EGFR inhibitor as represented by formula I of the present invention can be used for treating or preventing epidermal growth factor receptor-mediated diseases or medical conditions (such as L858R activation mutants, exon 19 deletion activation mutants, T790M resistance mutants and C797S resistant mutants) in certain mutant forms.