Abstract: A communication control unit for establishing a communication line between an electrical unit and a battery unit, wherein there is an electrical power transmission line between the electrical unit and the battery unit, the communication control unit being configured to: in response to determining that a communication interference occurs between the communication control unit and the electrical unit and/or the battery unit during a period when the electrical unit supplies electrical power to the battery unit or acquires electrical power from the battery unit, switch a first communication protocol currently used for communication between the communication control unit and the electrical unit and/or the battery unit to a second communication protocol, wherein the second communication protocol has a higher anti-interference capability than the first communication protocol.

Abstract: A method for enhancing transient stability of a renewable energy power system is performed as follows. An external subsystem corresponding to the renewable energy power system is constructed. A first matrix corresponding to the external subsystem based on voltage control is constructed. A second matrix corresponding to the renewable energy power system is generated. A transient stability Lyapunov function corresponding to the renewable energy power system is constructed in real time based on the first matrix and the second matrix. A first control signal corresponding to the renewable energy power system is generated based on Lyapunov's second method. The transient stability of the renewable energy power system is controlled and enhanced in real time based on the first control signal. The first control signal is an adaptive voltage control signal of the renewable energy power system.

Abstract: A dynamic stability control method for power systems with renewable energy, in which a non-linear system of a grid-forming inverter corresponding to a renewable energy power system is created. An external subsystem corresponding to the grid-forming inverter is constructed based on a Lie derivative. According to the external subsystem, a linear sliding surface corresponding to the external subsystem is constructed, and a dynamic stability control unit corresponding to the external subsystem is generated based on sliding mode control. A first instruction data corresponding to the dynamic stability control unit is generated to control dynamic stability of the renewable energy power system in real time. The voltage instruction value of the grid-forming inverter is modified to improve the dynamic stability of the renewable energy power system. A system for implementing such method is also provided.

Abstract: The present disclosure provides a method and apparatus for evaluating a model service, an electronic device, and a storage medium, relates to the technical field of edge computers, in particular to the technical fields of intelligent Internet of Things, edge intelligent devices, or the like. A specific implementation solution is as follows: receiving an evaluation sample set from cloud, the evaluation sample set including a to-be-evaluated model and a dataset corresponding to the to-be-evaluated model and containing labelling information; performing model inference on the to-be-evaluated model based on data in the dataset, to obtain an inference result corresponding to the to-be-evaluated model; and calculating a performance evaluation metrics based on the labelling information in the dataset and the inference result, to obtain an evaluation result corresponding to the to-be-evaluated model.

Abstract: Provided is a Bifidobacterium lactis. The Bifidobacterium lactis is Bifidobacterium animalis subsp. lactis BL-11, and the preservation number of the Bifidobacterium animalis subsp. lactis BL-11 is CGMCC No. 20847. The provided Bifidobacterium animalis subsp. Lactis can improve intestine metabolism disorder and normalize the composition of intestine microbiome so as to improve height, suppresses obesity, promote infant and youth physical development and mental development, and prevent and treat mental disorders, said mental disorders including anxiety, depression, attention-deficit/hyperactivity disorder, autism, schizophrenia, hepatic encephalopathy, anorexia, Tourette syndrome, and Asperger syndrome.

Abstract: The present disclosure discloses a flat panel detector, a driving method, a driving device and a flat panel detection device. The flat panel detector includes: a base substrate, and a plurality of detection units located on the base substrate; each of the detection units includes a photodiode and a detection transistor; the flat panel detector further includes: a compensation semiconductor material layer including a plurality of compensation structures mutually spaced; each detection transistor is correspondingly provided with a compensation structure, and the compensation structure is located between a gate and a gate insulating layer of the corresponding detection transistor.

Abstract: Techniques for providing machine-learned (ML)-based artificial intelligence (AI) capabilities are described. In one technique, multiple AI capabilities are stored in a cloud environment. While the AI capabilities are stored, a request for a particular AI capability is received from a computing device of a user. Also, in response to receiving training data based on input from the user, the training data is stored in a tenancy, associated with the user, in the cloud environment. In response to receiving the request, the particular AI capability is accessed, a ML model is trained based on the particular AI capability and the training data to produce a trained ML model, and an endpoint, in the cloud environment, is generated that is associated with the trained ML model. The endpoint is provided to the tenancy associated with the user.

Abstract: A high-strength creep-resistant polyester industrial yarn and preparation method thereof are provided. The high-strength creep-resistant polyester industrial yarn is prepared by spinning, winding and coordination treatment of a modified polyester after solid-state polycondensation to increase viscosity. The condition of coordination treatment is 60-72 hours at 80-100° C. The coordination agent is AgNO3, FeCl2, CuCl2, or NiCl2. The polyester segments of the prepared high-strength creep-resistant polyester industrial yarn includes a terephthalic acid segment, an ethylene glycol segment and a 2-(4-pyridine) terephthalic acid segment, and 2-(4-pyridine) terephthalic acid segments of different polyester segments are coordinated by metal ions (Ag+, Fe2+, Cu2+ or Ni2). The molar ratio of the terephthalic acid segment to the 2-(4-pyridine) terephthalic acid segment is 1:(0.03-0.05). The N atom on the pyridine of the 2-(4-pyridine) terephthalic acid segment is involved in coordination.

Abstract: A detection substrate and manufacturing method thereof, a flat panel detector and manufacturing method thereof. The detection substrate includes: a substrate including a detection region, a binding region, a controllable on-off region, and a cutting region; a plurality of detection units including transistors and photosensitive devices located in the detection region, a transistor includes a gate, a first electrode and a second electrode; a photosensitive device is connected to the first or second electrode; a plurality of conductive wires, one end is connected to the gate, and the other end is extended to the binding region; a conductive ring disposed in the cutting region; a plurality of detection wires, one end is connected to the conductive ring, the other end is connected to the conductive wires, the detection wires are passed through the controllable on-off region; the detection wires located in the controllable on-off region can have a disconnected state.

Abstract: A battery pack electrically comprising a temperature terminal and is configured such that when an external device is electrically connected to the battery pack, the device can detect the temperature of the battery pack, and the battery pack is further configured to receive a PWM signal from the external device when in the electrical connection state, and, on the basis of the PWM signal, determine the type and/or operating state of the external device. Also disclosed, a power tool system comprising the battery pack, as well as a communication system for the battery pack and the system. With the battery pack and the power tool system, it is possible to perform both a temperature sampling function and a function of identifying external device information only by a temperature terminal of the battery pack, thus same have the advantages of a simple and compact structure and low cost.

Abstract: The present disclosure provides a method and apparatus for determining an application service dependency, and a processor. The method includes that: an input pulse of first application service and an output pulse of second application service are acquired; a time interval between the input pulse and the output pulse is determined; and an application service dependency between the first application service and the second application service is determined based on the time interval. According to the present disclosure, a technical problem that an application service dependency between different pieces of application service cannot be determined accurately through a method for determining an application service dependency provided in the related art is solved.

Abstract: An electronic apparatus includes a first component and a second component. The first component is configured to connect to a processing device containing a power storage module, and the second component is configured to connect to an extension device. In a first state, the electronic apparatus connects to the processing device and the expansion device. An external power supply provides power to the processing device through the first component, and provides power to the expansion device. In a second state, the electronic apparatus connects to the processing device and the expansion device. In response to the external power supply being cut off, power is supplied to the expansion device through the second component. The processing device is powered by its power storage module. After the electronic apparatus switches from the first state to the second state, the connection state of the expansion device and the processing device is capable of being maintained.

Abstract: The present disclosure provides raw material re-feeding apparatus for manufacturing a monocrystal and monocrystal manufacturing apparatus including the same. The raw material re-feeding apparatus is provided outside a monocrystal furnace and includes a storage and a feeder in communication with the storage. A discharging end of the feeder is located in the monocrystal furnace and movable relative to the monocrystal furnace, so that the discharging end of the feeder is immersed in a silicon melt when the material re-feeding is performed, and thus the material is melted and re-fed.

Abstract: A camera optical lens is provided, including from an object side to an image side: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; and a seventh lens, the camera optical lens satisfies following conditions: 1.30?f7/f?4.00; 1.70?n1; 2.00?f34/f?7.00; and 120.00?(FOV×f)/IH, where f denotes a focal length of the camera optical lens; f7 denotes a focal length of the seventh lens; f34 denotes a combined focal length of the third lens and the fourth lens; n1 denotes a refractive index of the first lens; FOV denotes a field of view of the camera optical lens; and IH denotes an image height of the camera optical lens. The camera optical lens has good optical performance such as large aperture, ultra-thinness and wide angle while ensuring miniaturization, small chromatic aberration, small lateral color, and high resolution up to 5M.

Abstract: A method is provided that includes: obtaining an initial pose of a vehicle, a multi-modal sensor data of the vehicle, and a plurality of map elements for positioning the vehicle; encoding the multi-modal sensor data to obtain an environmental feature; encoding the plurality of map elements to obtain a map feature; determining, based on the environmental feature and the map feature, a target pose offset for correcting the initial pose; and superimposing the initial pose and the target pose offset to obtain a corrected pose of the vehicle.

Abstract: Embodiments of this application provide a DF election method and a device. The method is performed by a first network device, and the method includes: receiving an EVPN Ethernet segment ES route advertised by a second network device, where the ES route includes an ESI, the ESI identifies an Ethernet segment, and the Ethernet segment includes a first link and a second link, where the first network device and the second network device each are configured with a first broadcast domain, a first gateway accesses the first broadcast domain of the first network device through the first link, a second gateway accesses the first broadcast domain of the second network device through the second link, the first network device and the second network device each configure the ESI in the first broadcast domain, and the first gateway and the second gateway access a same EVPN site; and performing DF election based on the ES route, to determine that the first network device is a non-DF in the first broadcast domain.

Abstract: The present invention relates to a Lactobacillus reuteri, and use, composition, drug and food thereof. The Lactobacillus reuteri has an accession number of CGMCC No. 21577, can improve intestinal flora disorder, reduce intestinal injury, improve intestinal permeability and promote immune system recovery, and has effects of treating or preventing allergic reactions of nervous system-related diseases such as autism, hyperactivity, tics, depression, etc.

Abstract: In various aspects, code-based indicia contain secured network access credentials. In some aspects, a computer processor receives user input that specifies secured network access credentials, and the computer processor creates or modifies credentials for establishing a secured network connection. In these aspects, the computer processor generates code-based indicia that contain at least part of the secured network access credentials. In other aspects, a computer processor scans the code-based indicia and extracts the network access credentials. In these aspects, the computer processor employs the network access credentials to establish the secured network connection. In additional aspects, a network router apparatus renders the code-based indicia to an active display. In further aspects, a network router apparatus conditions grant of network access to a device on receipt from the device of an answer to a security question included in the secured network access credentials.

Abstract: An induced earthquake evaluation method for hydraulic fracturing activated faults includes obtaining an induced earthquake evaluation unit, cumulative injection equivalent energy, induced earthquake probability of fault type, induced earthquake probability of fault distance, hydraulic fracturing fluid diffusion capacity in fractured formation, new effective fault stress after fracturing, formation fluid pressure change rate and cumulative released equivalent energy. The probability of induced earthquake by hydraulic fracturing can be obtained. The induced earthquake possibility of each evaluation unit or single well under different stages of hydraulic fracturing, different construction injection methods and production conditions can be quantitatively evaluated. The method provides a quantitative result that can provide data support for optimizing hydraulic fracturing and reducing induced earthquake hazards.