Abstract: The present invention belongs to the field of pharmaceutical and chemical engineering, and relates to a high-purity losartan potassium and a preparation method therefor. The present invention also relates to a high-purity losartan or a pharmaceutically acceptable salt thereof and a preparation method therefor. The present invention uses organic phosphorus to reduce an azide compound to an amino compound so that the genotoxicity of losartan or a pharmaceutically acceptable salt thereof can be well controlled. The method of the present invention involves fewer steps, uses a small amount of reagent, does not require activated carbon decolorization, and produces a high-purity product, and therefore is suitable for industrial production and is very practical.

Abstract: A method for obtaining a cover image includes: obtaining a plurality of first cropped images of an original image corresponding to a candidate resource; obtaining an aesthetic score of each of the plurality of first cropped images; and determining a target cover image of the candidate resource from the plurality of first cropped images based on the aesthetic score of each first cropped image.

Abstract: This disclosure relates to an immersive ankle rehabilitation training method and electronic apparatus based on upper limb motion signals. The innovation of this technology lies in that: firstly, this disclosure proposes a hybrid model of Regression LSTM corrected by a sliding window based voting algorithm, which predicts the changing angle of the user's wrist joint through wearable EMG sensors; secondly, this disclosure designs and develops two different VR training scenes for users of dorsiflexion and plantar flexion of foot; during the training, users wear VR headwear displays and EMG monitoring devices, to continuously perform wrist dorsiflexion or wrist palm flexion movements, predict the change in wrist joint angles in real-time through forearm sEMG signals, and map it to the contralateral ankle of the avatar in the virtual scene for rotation.

Abstract: The present disclosure provides an intelligent commentary generation method. The method includes: obtaining a match data stream; parsing the match data stream, to obtain candidate events from the match data stream; determining events from the candidate events, to generate a sequence of events; and generating commentary scripts corresponding to the match data stream according to the sequence of events.

Abstract: Provided herein is a technology for an Autonomous Vehicle Cloud System (AVCS). This AVCS provides sensing, data fusion, prediction, decision-making, and/or control instructions for specific vehicles at a microscopic level based on data from one or more of other vehicles, roadside unit (RSU), cloud-based platform, and traffic control center/traffic control unit (TCC/TCU). Specifically, the AVs can be effectively and efficiently operated and controlled by the AVCS. The AVCS provides individual vehicles with detailed time-sensitive control instructions for fulfilling driving tasks, including car following, lane changing, route guidance, and other related information. The AVCS is configured to predict individual vehicle behavior and provide planning and decision-making at a microscopic level. In addition, the AVCS is configured to provide one or more of virtual traffic light management, travel demand assignment, traffic state estimation, and platoon control.

Abstract: Systems, methods, and computer program for generating and using embedding vectors associated with real-time data are provided. A streaming platform receives streaming data associated with events occurring in a network environment. At least one neural network generates embedding vectors from the streaming data associated with the events. The analytical models analyze the embedding vectors and are updated with the result from the analysis. Embedding vectors are also associated with one or more indexes. The streaming platform may receive a query with an embedding vector associated with data from another event that is occurring in real-time in the network. Based on the embedding vector in the query, the streaming platform may use the one or more indexes to provide, in real-time, similar embedding vectors, which are indicative of similar events in the network environment.

Abstract: A turning control method of a self-moving machine includes the following steps: acquiring a whole area where the self-moving machine moves; determining an initial turning point based on the whole area; when the self-moving machine reaches the initial turning point, controlling the self-moving machine to move back to a target turning point; and controlling the self-moving machine to turn at the target turning point according to a preset turning path to reach a target point in the whole area.

Abstract: A trap escaping and snow removal method includes: performing, when a snow sweeper detects that a current snow shoveling position is in a trigger condition for trap escaping, a corresponding preset trap escaping action, wherein the preset trap escaping action includes the following steps: adjusting a head-up height of a snow shovel head of the snow sweeper at least once; determining, after finishing the preset trap escaping action, whether it is still in the trigger condition for trap escaping; and if not, determining a next snow shoveling position and performing a snow shoveling operation.

Abstract: A converter includes a chopper circuit, including a first resistor and a power switch connected in series; a current detection circuit, including: a first capacitor and an isolation circuit, where an input end of the isolation circuit is connected in series with the first capacitor, an input end of the current detection circuit is connected in parallel to one of the first resistor or the power switch, and the current detection circuit detects a direction of a current flowing through the first capacitor and outputs a current detection signal; a signal conditioning circuit, electrically connected to an output end of the current detection circuit, receiving the current detection signal and outputting a chopper circuit operating state signal; and a controller, electrically connected to the signal conditioning circuit, receiving the chopper circuit operating state signal and determining whether the chopper circuit is in a turned-on state or a turned-off state.

Abstract: Disclosed are a path planning method, a device and an automatic snow sweeper. The method includes the following steps: acquiring a snow throwing site and a current position of an automatic snow sweeper in a snow sweeping map; determining a snow throwing direction of the automatic snow sweeper based on the snow throwing site and the current position; planning a snow sweeping path conforming to a preset rule in the snow sweeping map based on the snow throwing direction; and controlling the automatic snow sweeper to move based on the snow sweeping path.

Abstract: The present application provides a method, a device, an apparatus, and storage medium for deviation correction of an electrode sheet. The deviation correction method of the electrode sheet includes: determining the first deviation amount of the electrode sheet on the stacking machine in the first direction; correcting a deviation of the electrode sheet in the first direction according to the first deviation amount; determining the second deviation amount of the electrode sheet in the second direction, wherein the second deviation amount is different from the first deviation amount; and correcting a deviation of the electrode sheet in the second direction according to the second deviation amount.

Abstract: A filter cover, a resonator, an RF cavity filter comprising the filter cover or the resonator, and a communication device comprising the RF cavity filter are disclosed. A filter cover (2) according to an embodiment comprises, at its inner surface (21), at least one flexible flap (22, 23) for frequency tuning or coupling tuning, which extends from and substantially perpendicular to the inner surface (21). A resonator (3) according to an embodiment is made of a sheet metal, and is integrally formed with a body portion (31), a folded portion (32), and a flexible portion (33, 34, 35) which is connected to the body portion (31) or the folded portion (32) and is bendable with respect to the body portion (31) or the folded portion (32) for frequency tuning or coupling tuning.

Abstract: The invention relates to a computer-implemented method for improving data security in a computing device (10), the computing device (10) including a computer system (12) with a processor (16) for executing computer instructions (18) and a physical memory (20) accessible to the processor (16), the computer system (12) being configured as an implementation of a computer architecture suitable for switching between a trusted execution environment (22) for executing a trusted computing process (24) and a rich execution environment (26) for executing a client computing process (28) corresponding to the trusted computing process (24), wherein an access of the rich execution environment (26) on the trusted execution environment (22) is restricted and/or secured, wherein the rich execution environment (26) and the trusted execution environment (24) respectively are switchable between a user mode (30) in which execution of one or more selected computer instructions (18) for accessing the physical memory (20) is restric

Abstract: This invention relates to CTLA-4 protein compositions and their use in the mitigation of autoimmune adverse events associated with cancer immunotherapy.

Abstract: The present disclosure relates to a hypoallergenic milk with immune enhancing function and a preparation method thereof. To solve the problem of milk allergy and lactose intolerance populations being unable to intake milk nutrition through traditional dairy products, the present disclosure provides a hypoallergenic milk with immune enhancing function, including raw milk, collagen peptide, and yeast ?-glucan, acerola cherry powder, maltitol, lactase, stabilizer, essence and water; and the raw milk is A2?-casein organic raw milk. The hypoallergenic milk provided by the present disclosure reduces allergenic substances and risk in terms of formula composition and production process, especially suitable for lactose intolerance and A1?-casein allergy populations. The present disclosure further adopts a triple immune science formula, retaining the active ingredients and high-quality nutrients in milk.

Abstract: A reference signal sending method and a transmitter are provided. The method includes: determining a time-frequency resource pattern of a target reference signal used for interference measurement, where the time-frequency resource pattern is used to indicate a time domain location and a frequency domain location of the target reference signal; and sending the target reference signal based on the time-frequency resource pattern.

Abstract: A measurement circuit of thin-film temperature sensor comprises: out-phase input end and output end of first operational amplifier are connected to first end of thin-film resistor; first end of first resistor is connected to output end of first operational amplifier, second end of first resistor is connected to in-phase input end of first operational amplifier; second end of first resistor is grounded via second resistor; output end of second operational amplifier is connected to first end of potentiometer; second end of the potentiometer is connected to the constant current source and in-phase input end of second operational amplifier respectively; first end of third resistor is connected to output end of second operational amplifier, second end of third resistor is connected to out-phase input end of second operational amplifier; second end of third resistor is grounded via fourth resistor; voltage value of second end of potentiometer is output signal.

Abstract: A chip type coil-based fluxgate current sensor, comprising: a magnetism gathering iron core, a chip type coil, an integral filtering module, a signal driving module, a voltage acquisition module, and a signal amplification module which are connected in sequence. The chip type coil comprises a first high-resistance silicon wafer and a second high-resistance silicon wafer which are bonded with each other; a built-in cavity is formed between involution surfaces of first high-resistance silicon wafer and second high-resistance silicon wafer, and multiple solenoid cavities filled with coil materials are provided around the periphery of the cavity; a cavity opening is formed at one end after involution of first high-resistance silicon wafer and second high-resistance silicon wafer. The magnetism gathering iron core is inserted into the cavity of the chip type coil by means of the cavity opening. The present current sensor is small in size and stable in signal.

Abstract: This invention relates to anti-CTLA-4 antibody compositions that bind to the human CTLA-4 molecule, and the use of the compositions in cancer immunotherapy and for reducing autoimmune side effects compared to other immunotherapeutic agents.

Abstract: A temperature measuring method and apparatus based on creatine chemical exchange saturation transfer (CEST) imaging. The method comprises the following steps: (1) performing creatine CEST imaging on a creatine phantom, and analyzing a chemical shift of creatine relative to water in the creatine phantom; (2) fitting a mathematical relation between the chemical shift of the creatine relative to water and the temperature; and (3) performing CEST imaging on creatine in a sample, and calculating the temperature according to the mathematical relation, fitted in step (2), between the chemical shift of the creatine relative to water and the temperature. In the temperature measuring method, the creatine is taken as an endogenous reference, and highly-spatial-resolution, highly-sensitive, and non-invasive absolute temperature measurement can be implemented by means of temperature dependence of a CEST effect of Cr and water.