Abstract: A method for detecting a human behavior includes: obtaining an image to be detected; obtaining a plurality of key points and a plurality of pieces of position information respectively corresponding to the plurality of key points by key-point recognition on the image to be detected; grouping the plurality of key points based on the plurality of pieces of position information to obtain a plurality of key-point groups, the plurality of key-point groups at least including a part of the plurality of key points; and determining a target human behavior based on key points in the plurality of key-point groups.

Abstract: An electrochemical apparatus includes an electrolyte, where the electrolyte includes a carboxylate compound and fluoroethylene carbonate (FEC). Based on a total weight of the electrolyte, percentages of the carboxylate compound and FEC are w1 and w2 respectively, where 5%?w1?60%, 2%?w2?12%, and 2?w1/w2?20. The electrochemical apparatus delivers excellent fast charging performance and high-temperature interval cycle performance.

Abstract: A high-temperature superconducting flux pump system comprises a flux pump body, a superconducting load, and a stator group. A double-pancake coil group comprises at least one double-pancake coil. The stator group comprises at least one stator. The flux pump body has an air gap for receiving the stator group. The superconducting load and the stator group are connected to form a closed circuit. The high-temperature superconducting flux pump system has a simpler structure, solves the problem of low charging rate of magnets, and greatly reduces the power cost without changing the magnet structure and winding cost.

Abstract: The present invention provides a robot system for learning one or more new semantic relations in a knowledge base of physical skills. The system is configured to obtain knowledge on a physical skill by observing a demonstration, by a human user, of the physical skill, update the knowledge base with the obtained knowledge, generate a hypothesis of using the physical skill in a different context compared to a context of the demonstration by performing similarity considerations on the knowledge base using the obtained knowledge, present the hypothesis to the human user, receive a confirmation or a refusal from the human user with regard to the presentation of the hypothesis to the human user, and update the knowledge base according to the hypothesis in case of receiving the confirmation or discard the hypothesis in case of receiving the refusal.

Abstract: Semiconductor device and the manufacturing method thereof are disclosed. An exemplary semiconductor device comprises a dielectric layer formed over a conductive feature; a semiconductor stack formed over the dielectric layer, wherein the semiconductor stack including semiconductor layers stacked up and separated from each other; a first metal gate structure and a second metal gate structure formed over a channel region of the semiconductor stack, wherein the first metal gate structure and the second metal gate structure wrap each of the semiconductor layers of the semiconductor stack; and a first epitaxial feature disposed between the first metal gate structure and the second metal gate structure over a first source/drain region of the semiconductor stack, wherein the first epitaxial feature extends through the dielectric layer and contacts the conductive feature.

Abstract: The present disclosure discloses a set of novel epigenetic biomarkers for early detection, prediction of treatment response and prognosis of colorectal cancer. Aberrant methylation of the epigenetic biomarkers can be detected in tumor tissues and plasma samples from colorectal cancer patients but not in normal individuals. The present disclosure also discloses primers and probes used herein.

Abstract: A converter bottom blowing system comprises a first gas source connected in parallel with a lime powder silo, a lime powder blowing tank and a first injector, where a first cut-off valve is arranged between the lime powder blowing tank and the first injector; a second gas source connected in parallel with the biochar powder silo, the biochar powder blowing tank and the second injector, where a second cut-off valve is arranged between the biochar powder blowing tank and the second injector; a converter, where a plurality of bottom blowing lances are arrayed at a bottom of a converter, the bottom blowing lances are connected with the first injector and the second injector through a three-way valve, a third cut-off valve is arranged between the first injector and the three-way valve, and a fourth cut-off valve is arranged between the second injector and the three-way valve.

Abstract: Embodiments of this application disclose a data transmission method performed by a sender network adapter associated with a sender server. The method includes: acquiring an original data packet, a first address, and a tenant identifier, the first address comprising an address of a receiver network adapter associated with a receiver server, and the tenant identifier being used for indicating a corresponding tenant on the receiver server; performing tunnel encapsulation on the original data packet based on the first address and the tenant identifier to obtain a tunnel data packet; sending the tunnel data packet to the receiver network adapter; decapsulating, by the receiver network adapter, the tunnel data packet to obtain the original data packet and the tenant identifier; and transmitting the original data packet and the tenant identifier to the receiver server, which is configured to deliver the original data packet to a tenant corresponding to the tenant identifier.

Abstract: The present invention provides Bacillus natto for producing menaquinone-7. Bacillus natto is deposited at the China General Microbiological Culture Collection Center, the accession number being CGMCC No. 21799. The strain has few requirements for nutrients, has a high yield, has mild metabolism, is easy to regulate and control, and is suitable for industrial scale-up.

Abstract: A wall mountable sensor module includes a housing defining an internal space that is segmented into a first internal space and a second internal space. The first internal space defines an air channel that extends from an air inlet to an air outlet. Two or more sensors are configured to be exposed to the air flow channel. A first sensor is configured to detect a first air parameter and a second sensor is configured to detect a second different air parameter, wherein the second sensor is situated downstream of the first sensor in the air flow channel. The sensor module includes a fan housed by the housing, the fan configured to cause an airflow to flow in through the air inlet, through the air flow channel thereby exposing each of the sensors to the airflow, and out through the air outlet.

Abstract: A method for predicting, regulating and controlling a wear characteristic of a flow channel in a valve. The method comprises: pasting an aluminum sheet in a valve core, and testing a wear rate; regulating inlet pressure, and obtaining distribution characteristics of a pressure field and a velocity field; establishing an association relationship between the wear rate and pressure and a flow velocity; increasing the inlet pressure, and drawing a discrete data curve and a continuous curve; obtaining a discrete data change curve and a continuous curve of the wear rate along with an opening degree of the valve core; obtaining an association relationship graph between the wear rate of the aluminum sheet and the inlet pressure and the opening degree of the valve core; and performing comparison and determination on a real-time wear rate actual value of the aluminum sheet and a critical wear rate value.

Abstract: A basket includes a cover plate, a support assembly, a basket bottom plate for holding at least two rows of reagent strips, and a sample holder for holding at least two sample tubes; the sample holder is detachably connected to an end surface of the basket bottom plate; the cover plate and the basket bottom plate are rotatably connected so as to limit displacement of the reagent strips in the height direction when the cover plate and the basket bottom plate are attached to each other; the support assembly is connected to the bottom surface of the basket bottom plate, and the height of the support assembly is greater than or equal to the heights of the reagent strips.

Abstract: A battery includes a box having a top and a bottom opposite in a first direction; battery cells disposed upside down in the box and connected to the top, wherein the battery cell comprises electrode terminals, the electrode terminals being disposed back away from the top in the first direction; a busbar component for electrically connecting to the electrode terminals of at least two of the battery cells; and a protective assembly disposed between the bottom and the busbar component, wherein the protective assembly is used for supporting the battery cell and insulating the battery cell from the bottom.

Abstract: A DNA and RNA nucleic acid co-extraction and detection system includes a nucleic acid extraction system, a sealing, transferring and mixing system, a nucleic acid detection system and a control system, wherein the nucleic acid extraction system, the sealing, transferring and mixing system and the nucleic acid detection system are all connected to the control system; the nucleic acid extraction system comprises a carry basket for loading an extraction reagent strip and a sample tube, a consumable-material supply module, a reagent kit loading module, a barcode scanning device for automatically inputting barcode information, a magnetic absorption incubation device, and an automatic sample addition device for transferring a liquid to a reaction chamber of the extraction reagent strip or a PCR tube and sealing the PCR tube; the sealing and transferring system comprises a PCR transferring device for grabbing and driving a PCR tube to move, and a high-speed mixing device.

Abstract: An encoding method, a decoding method and a decoder are provided. The method includes that: a bitstream is parsed to determine reconstructed feature data; and feature analysis is performed on the reconstructed feature data by using an intelligent task network to determine a target result.

Abstract: A data backup method, a data recovery method, and an electronic device are disclosed. The data backup method includes: determining a data set to be backed up, performing a status update operation on a data block in the data set, determining the time points when the data block changes from the first phase to the second phase, and when the data block changes from the second phase to the third phase, and performing data backup on the data set to generate backup files. With this method, upon data seal time point, no fresh data can be reached in any data block, and the data block back-up persists, so that the time point of the data backup operation is more accurate, the cut point of which deleted data should be included in the back up is easy to locate, and the deleted data may be accurately processed.

Abstract: A magnetic attraction incubation mechanism of an automatic molecular diagnostic instrument, includes: a magnetic attraction assembly used for magnetic attraction of a reaction chamber containing a sample liquid and an incubation assembly used for heating the reaction chamber, and further comprising: a driving device for driving the incubation assembly and the magnetic attraction assembly to be alternately close to the reaction chamber, the magnetic attraction assembly and the incubation assembly being both connected to the driving device. Switching of an incubation operation and a magnetic attraction operation can be achieved, and an incubation part and a magnetic attraction part effectively work in conjunction with each other by means of a linkage mechanism, so that the overall structure is effectively simplified, the space is saved, and a detection speed of the sample liquid can further be increased.

Abstract: A fast calibration test system and method for a phased-array antenna, which belongs to the technical field of antenna measurement, relates to a near-field test system, and relates in particular to the fast calibration and a directional diagram test on a phased-array antenna.

Abstract: The present disclosure provides systems and methods for medical imaging. The system may obtain a scout image of a subject lying on a scanning table. The scanning table may include N portions corresponding to N bed positions of a target scan, and an ith portion of the N portions may correspond to an ith bed position of the N bed positions. For the ith bed position, the system may determine one or more body parts of the subject located at the ith portion of the scanning table based on the scout image; and determine at least one scanning parameter or reconstruction parameter corresponding to the ith bed position based on the one or more body parts of the subject.