Abstract: A method is for optimizing a convolution operation of an on-chip system and related products. The on-chip system is included in a computing processing apparatus of a combined processing apparatus. The computing processing apparatus includes one or a plurality of integrated circuit apparatuses. The combined processing apparatus further includes an interface apparatus and other processing apparatus. The computing processing apparatus interacts with other processing apparatus to jointly complete a computing operation specified by a user. The combined processing apparatus further includes a storage apparatus. The storage apparatus is connected to the apparatus and other processing apparatus, respectively. The storage apparatus is configured to store data of the apparatus and other processing apparatus.

Abstract: Disclosed is a tumor vaccine based on tumor-derived microparticles (TMPs), and a preparation method and use thereof. The preparation method includes the following steps: 1, subjecting tumor cells to separation to obtain TMPs; 2, mixing the TMPs with 0.03 ?g/?l of a polyethyleneimine solution to allow a reaction for 10 min to 20 min, and washing to obtain PEI-modified TMPs (TMPs-PEI); and 3, mixing the TMP-PEI with 0.1 ?g/?l of a lipopolysaccharide solution to allow cross-linking for 15 min to 1 h to obtain the tumor vaccine based on TMPs (TMP-PEI-LPS). A nanomaterial prepared by conducting surface modification on the TMPs with an immunologic adjuvant can be disguised as a bacterial analog to promote the recognition of tumor antigens in vivo. Moreover, the TMPs can retain their immunostimulatory ability and reduce their toxicity by using a cross-linking agent coupled with the immunologic adjuvant.

Abstract: A method for preparing a tumor-derived microparticle by a microwave includes the following steps: step 1, Lewis lung carcinoma (LLC) of a lung adenocarcinoma cell line is taken and then the LCC is cultured in a culture dish for more than 24 hours (h) to obtain cultured cells; step 2, microwave heating treatment is performed on the cultured cells obtained in step 1 to obtain treated cells; step 3, the treated cells obtained in step 2 are placed into a constant temperature incubator for cultivation for 24 h; and step 4, a supernatant of cells is collected from the culture dish cultured in step 3, and multiple centrifugation treatments is performed on the supernatant by using a density gradient centrifugation method to obtain a precipitate which is the tumor-derived microparticle TMPMW.

Abstract: A sense amplifier, a memory and a method for controlling the sense amplifier are provided. The sense amplifier includes: an amplification module, arranged to read data in a memory cell; and a control module, electrically connected to the amplification module. In a first offset compensation stage of the sense amplifier, the control module is arranged to configure the amplification module to include a first inverter and a second inverter, and each of the first inverter and the second inverter is an inverter an input terminal and an output terminal connected to each other; and in a second offset compensation stage of the sense amplifier, the control module is arranged to configure the amplification module to include a current mirror structure.

Abstract: The sense amplifier includes: an amplification module configured to amplify a voltage transmitted by a bit line or a reference bit line, when the sense amplifier is at an amplification stage; a first switch module configured to control the amplification module to be disconnected from the reference bit line, when the sense amplifier performs a read operation for the bit line and is at the amplification stage. In the disclosure, the power consumption of the sense amplifier may be reduced.

Abstract: The disclosure provides a Sense Amplifier (SA), a memory and a method for controlling the SA, and relates to the technical field of semiconductor memories. The SA includes: an amplifier module; an offset voltage storage unit electrically connected to the amplifier module and configured to store an offset voltage of the amplifier module in an offset elimination stage of the SA; and a load compensation unit electrically connected to the amplifier module and configured to compensate a difference between loads of the amplifier module in an amplification stage of the SA. The disclosure may improve an accuracy of reading data of the SA.

Abstract: This application provides a blood oxygen detection method with multiple photoelectric detectors connected in parallel. The method includes: An electronic device determines, based on a plurality of pieces of detection data, a category of a scenario in which the electronic device currently performs blood oxygen detection, where the detection data is used for describing whether detection currents output by corresponding photoelectric detectors are abnormal, or the detection data is used for describing a current wearing state of the electronic device; and determines, based on the scenario category, to perform calculation based on a detection current output by at least one of the multiple PDs to obtain oxygen saturation.

Abstract: A preparation method of a tumor microparticle encapsulating a metabolic inhibitor includes following steps. A tumor cell is cultivated, and a statin drug is added to a culture medium after the tumor cell grows stably. Then, the tumor cell is irradiated with an ultraviolet, and then the tumor cell is incubated in a cell incubator for 22˜26 hours. After the incubation, cell supernatant is collected and the tumor microparticle encapsulating the metabolic inhibitor is obtained through a gradient centrifugation. The preparation method uses tumor cell-derived microparticles as drug delivery platforms, with a simple preparation process that preserves functions such as biosafety, biocompatibility, targeting, and intercellular communication. The preparation method discovers new uses of a statin drug, which can inhibit tumor growths with the statin drug, regulate tumors metabolism and improve a tumor microenvironment, and have a potential to enhance a chemotherapy efficacy and delay a chemotherapy resistance.

Abstract: An ECG waveform display method is provided. The method includes: An electronic device starts an ECG waveform detection application, to collect an ECG waveform; the electronic device reads wearing part data between the electronic device and a wrist of a user, where the wearing part data is obtained through IMU wearing part identification; the electronic device determines first wearing part information based on wearing status data, and the determined state is a first determined state or a second determined state; the electronic device obtains second wearing part information between the electronic device and the wrist of the user through ECG wearing part identification; and when the first wearing part information and the second wearing part information are the same and indicate a determined state, the electronic device displays the ECG waveform on a display in a display manner corresponding to the determined state.

Abstract: Embodiment provides a terminal which comprises at least one processor. The at least one processor is configured to: obtain first biometric feature information of a measured target, where the first biometric feature information includes a pulse wave signal and/or an electrocardio signal of the measured target; obtain a first status of the measured target according to the first biometric feature information of the measured target; determine blood pressure calculation policy of the measured target according to the first status of the measured target; and determine a blood pressure value of the measured target according to the blood pressure calculation policy and the first biometric feature information of the measured target.

Abstract: A method for calibrating a blood pressure measurement device includes obtaining first blood pressure measurement information and a current confidence coefficient corresponding to the first blood pressure measurement information, determining the first blood pressure measurement information as blood pressure calibration information in response to the blood pressure measurement device comprising the historical calibration parameter list, and the current confidence coefficient being greater than or equal to a preset confidence coefficient or the historical confidence coefficient, and updating the historical calibration parameter list based on the first blood pressure measurement information and the current confidence coefficient.

Abstract: A blood pressure monitoring method, apparatus, and device are provided. The method includes: collecting a first biological signal of a to-be-measured user (S101); and predicting a first blood pressure value of the to-be-measured user based on the first biological signal and a pre-established individual calibration model (102). According to the method, only the first biological signal of the to-be-measured user needs to be collected to predict the first blood pressure value of the to-be-measured user. A collection manner is simple, and sleep of the user is not interrupted, greatly improving user experience.

Abstract: The present disclosure relates to an identity authentication method and a communications terminal. One example method includes: performing, by a terminal, first identity authentication on first user identity feature data; if the first identity authentication succeeds, and the wearable device is in a valid worn state, when receiving an access request for a preset application, obtaining, by the terminal, a service security level of the preset application, and obtaining an authentication time point for second identity authentication and matching accuracy of the second identity authentication; determining whether a difference between a current time point and the authentication time point is less than authentication validity duration corresponding to the service security level and whether the matching accuracy is higher than lowest matching accuracy corresponding to the service security level; and if yes, accepting the access request.

Abstract: An identity authentication method includes detecting a scenario in which the user equipment is located, determining, from at least two different authentication levels of the user equipment, an authentication level corresponding to the scenario in which the user equipment is located, acquiring current biometric feature data entered by a user, and determining, according to the current biometric feature data, preconfigured biometric feature data, and the authentication level, whether identity authentication succeeds.

Abstract: An apparatus includes a signal modulator configured to receive a radio frequency (RF) input signal having frequency bands and spanning a first frequency range within a second frequency range, and provide down-converted signals by converting each frequency band of the RF input signal down to a target frequency range. The apparatus further includes digital RF memories (DRFMs) configured to provide intermediate interfering signals by modulating at least one of the down-converted signals, and an interfering signal generator configured to provide up-converted signals by converting the intermediate interfering signals collectively up to a third frequency range, wherein the third frequency range is within the second frequency range, and provide an interfering RF output signal by combining the up-converted signals, wherein the interfering RF output signal spans the third frequency range.

Abstract: A user reminding method and apparatus, and a mobile terminal includes, obtaining, by a terminal device, a physical status of a user and a first blood pressure value of the user when a time difference between a current time and a preset reminding time is less than a first threshold; determining a first safety level based on the physical status and the first blood pressure value; and sending a first reminding signal in a manner corresponding to the first safety level.

Abstract: A thermal control apparatus and method are disclosed. The method includes: obtaining terminal status information of a terminal, where the terminal status information includes at least a terminal temperature parameter; obtaining environment status information and/or user status information, where the environment status information includes at least an environment temperature parameter and/or an environment humidity parameter, and the user status information includes at least one of a user body temperature parameter, a user electrocardiogram parameter, a user electroencephalogram parameter, or a user skin resistance parameter; and determining and executing a thermal control policy according to the terminal status information and either of or both of the environment status information and the user status information.

Abstract: Disclosed are a heavy oil activator, a preparation method and use thereof. The heavy oil activator has a structural formula shown in Formula (1). In Formula (1), x, y, z, m, and n are respectively mass fractions of corresponding chain segments in the polymer, m being 0.75-0.85, y being 0.20-0.24, and x, z, and n all being 0.001-0.01; and p is a natural number between 2 and 9. The activating polymer provided has the effects of increasing viscosity of an aqueous phase while reducing viscosity of crude oil, and can serve both as a displacing agent and a viscosity reducer to realize integration of the two agents.

Abstract: An identity authentication method includes detecting a scenario in which the user equipment is located, determining, from at least two different authentication levels of the user equipment, an authentication level corresponding to the scenario in which the user equipment is located, acquiring current biometric feature data entered by a user, and determining, according to the current biometric feature data, preconfigured biometric feature data, and the authentication level, whether identity authentication succeeds.