Abstract: Disclosed are a resolution method for intent-based wireless network resource conflicts and an apparatus thereof. The method includes the following steps: periodically acquiring configured resource information about a current wireless network; pre-allocating resources required for a newly-added intent; and determining whether a pre-allocated resource configuration policy is incompatible with a resource configuration policy being executed in a current network. The apparatus includes: an interface module; a solution module; a feedback module; and a storage module. Through the relative priority of intent requirements, a bias of an implementation satisfaction degree of a network configuration policy is determined, and network resource conflicts of intent requirements with different priorities are solved.

Abstract: The present disclosure discloses a method for adjusting antenna state of a wireless AP, an smart antenna scheduling method and a wireless AP, wherein the method includes: acquiring a performance index of an antenna of a wireless AP in a current antenna state, wherein the performance index is a weighted average of negotiated rates of a plurality of clients communicably connected with the wireless AP; and adjusting the antenna state of the antenna based on the performance index of the antenna of the wireless AP in the current antenna state.

Abstract: A photoelectric flowmeter circuit includes a circuit power supply end. The photoelectric flowmeter circuit also includes a light-emitting element, including a first end electrically connected to the circuit power supply end and a second end electrically connected to ground. The photoelectric flowmeter circuit also includes a photosensitive triode, including a collector electrically connected to the circuit power supply end and an emitter electrically connected to the ground. The photoelectric flowmeter circuit also includes a direct current (DC) blocking circuit. The photoelectric flowmeter circuit also includes a circuit output end electrically connected to the collector of the photosensitive triode through the DC blocking circuit.

Abstract: Methods, systems, and devices for wireless communication are described. In some wireless communications systems, a user equipment (UE) may support two or more uplink switching periods for transmit chain switching. The UE may transmit a UE capability message indicating the UE capability to support a first uplink switching period and a second uplink switching period for transmit chain switching. The first uplink switching period and the second uplink switching period may each correspond to different switching periods associated with configuration switches between different transmit chain configurations of the UE. The UE and a base station may select an uplink switching period from among the first uplink switching period and the second uplink switching period. The UE may transmit an uplink data message to the base station after a preparation time that is based on the uplink switching period.

Abstract: A method for non-enzymatic 3D culture and amplification of mesenchymal stem cells (MSCs) includes the followings steps: preparing PLGA porous microspheres; preparing a PLGA-PEG-PLGA thermosensitive coating microcarrier; culturing and amplifying MSCs; and performing non-enzymatic separation of MSCs, including reducing a culture temperature to below a critical phase transition temperature, and centrifuging a culture medium to collect stem cells. The present invention adopts the method for non-enzymatic 3D culture and amplification of MSCs, wherein the PLGA porous microspheres are used as a cell culture microcarrier scaffold and the thermosensitive hydrogel PLGA-PEG-PLGA is coated on surfaces of such microspheres, without needing additional enzymolysis process, thus efficiently amplifying the stem cells.

Abstract: A probiotic microcapsule for the treatment of reproductive tract infection and a preparation method and application thereof are provided. The probiotic microcapsule is obtained by coating probiotics with the coating material. The probiotics include one or several of Lactobacillus acidophilus, Lactobacillus rhamnosus, Lactobacillus fermentum, Lactobacillus reuteri, Lactobacillus crimpus, Lactobacillus brevis, Lactobacillus salivary, Lactobacillus plantarum, Lactobacillus acidophilus, and Lactobacillus bulgaricus. As probiotics screened in reproductive tract, it has high safety; It endows probiotics with adhesion function to ensure their effect in the reproductive tract; It overcomes the defects of current antibiotic therapy; It is expected to be used in a variety of reproductive tract infectious diseases.

Abstract: A transdermal double-layer microneedle based on hydrogen producing probiotics and its preparation method and application thereof are provided. The transdermal double-layer microneedle consists of a needle body and a backing layer. The raw material of the needle body includes hyaluronic acid and hyaluronidase. The raw material of the backing layer includes methacrylate anhydride gelatin and silk fibroin protein. The hydrogen producing bacteria are loaded in the microneedles, and the pore size of the matrix material is lower than the diameter of the probiotics, which will not lead to the leakage of bacteria and has high safety. Treatment of inflammatory skin diseases by gas has low side effects. The needle tip is loaded with hyaluronidase to increase the tissue space and improve the effect of gas treatment. It is expected to be used in psoriasis and other inflammatory skin diseases.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information that indicates an uplink transmit switching configuration for performing uplink transmit switching between a first component carrier and a second component carrier and a sounding reference signal (SRS) carrier switching configuration for performing SRS carrier switching between the second component carrier and a third component carrier, wherein the configuration information is associated with a maximum number of allowable switches over an amount of time. The UE may transmit, based at least in part on the configuration information, one or more signals associated with performing at least one of uplink transmit switching or SRS carrier switching. Numerous other aspects are described.

Abstract: A security defending method, a coprocessor, and a processing apparatus are disclosed. The security defending method is applicable in a coprocessor, including: receiving a jump destination encryption request for the operation task; using mask configuration to perform first mask processing on the first jump destination address value to obtain a first intermediate jump destination address value; performing an authentication operation based on the first jump destination storage address, a key reference value corresponding to the operation task and the first intermediate jump destination address value, to obtain a first encryption result value; using the mask configuration to perform second mask processing on the first encryption result value to obtain a first intermediate encryption result value; performing an authentication operation on the first intermediate encryption result value and the first jump destination address value to obtain a first encryption jump destination address value.

Abstract: A security defending method and an electronic apparatus are disclosed. The security defending method is applicable in a coprocessor, including: receiving a jump destination encryption request for the operation task; using mask configuration to perform first mask processing on the first jump destination address value to obtain a first intermediate jump destination address value; performing an authentication operation based on the first jump destination storage address, a key reference value corresponding to the operation task and the first intermediate jump destination address value, to obtain a first encryption result value; using the mask configuration to perform second mask processing on the first encryption result value to obtain a first intermediate encryption result value; performing an authentication operation on the first intermediate encryption result value and the first jump destination address value to obtain a first encryption jump destination address value.

Abstract: A method for preparing a nano-phase strengthened nickel-based superalloy using micron-scale ceramic particles is provided. In the method, a nickel-based superalloy is used as a matrix, and one or more of TiC, TiB2, WC and Al2O3 are used as a strengthening phase. A ceramic particle raw material used as the strengthening phase has a particle size of 1-5 ?m and is added in an amount of 1-5 wt. %. A nickel-based superalloy composite powder having homogeneously distributed nano-scale ceramic is prepared by mechanical milling. A nano-scale ceramic phase strengthened nickel-based superalloy is prepared by 3D printing technology, which has a homogeneously distributed nano-scale ceramic phase and excellent mechanical properties.

Abstract: A high-strength Al-Cu-Mg-Mn aluminum alloy and a preparation method therefor is provided. The alloy includes the following components in percentage by weight: Si:?0.5%, Fe: ?0.5%, Cu: 4.5-6.3%, Mg: 0.6-1.2%, Mn: 0.6-1.5%, Sc: 0.15-0.35%, Zr: 0.1-0.2%, and Y: 0.1-0.3%, the balance being aluminum and non-removable impurities. The preparation method includes: smelting, refining, impurity removing and degassing, pouring, homogenizing heat treatment, three-dimensional large deformation forging pre-deformation, isothermal deformation processing, and heat treatment. A casting mold used is a special combined mold having a metal mold as an inner mold, a surrounding cooling pipe, and a sand mold as an outer mold, and is used to prepare and obtain high-quality, high-performance castings. The heat treatment is solid solution treatment plus gradient aging treatment.

Abstract: A centrifugal fan for a heating, ventilation, air conditioning, and refrigeration (HVACR) system is disclosed. The centrifugal fan includes a volute housing having an inner surface and a curved inlet shroud. The volute housing defines an air outlet. The curved inlet shroud defines an air inlet. The air inlet has an inlet airflow cross-sectional area that lies substantially perpendicular to an outlet airflow cross-sectional area of the air outlet. The centrifugal fan also includes an impeller mounted for rotation about a rotational axis within the volute housing. The impeller has a plurality of fan blades. The plurality of fan blades has an outer surface. The centrifugal fan further includes a light source. The inner surface of the volute housing and the outer surface of the plurality of fan blades includes a photocatalyst layer. The light source is configured to emit light on the photocatalyst layer.

Abstract: The present invention discloses an intelligent image sensing device for sensing-computing-cloud integration based on a federated learning framework. The device comprises: intelligent image sensors, edge servers and a remote cloud, wherein the intelligent image sensor is used for perceiving and generating images, and uploading the images to the edge server; the edge server is used as a client; the remote cloud is used as a server; the clients train a convolutional fuzzy rough neural network based on the received images and the proposed federated learning framework; and the intelligent image sensors download the weight parameters of the trained convolutional fuzzy rough neural network from the clients, and classify and recognize the images based on the trained weight parameters. The present invention searches a lightweight deep learning architecture through neuroevolution, and deploys the lightweight deep learning architecture in the image sensors to automatically discriminate and analyze the perceived images.

Abstract: An adapter includes an adapting body and a valve body. The adapting body has a first mating portion and a second mating portion, where the first mating portion is configured to mate with an injection opening of a battery cell, the second mating portion is configured to mate with a gas detection apparatus, and a gas flow passage is constructed within an adapting body. The gas flow passage runs through the first mating portion and the second mating portion, and is configured for gas to flow from the injection opening to the gas detection apparatus.

Abstract: Provided are a test clip and a testing assembly and relates to the technical field of voltage testing. The test clip includes a clip body and a base. The clip body is configured to clamp a piece under test. The base is connected to the clip body, and the base is configured to be detachably connected to a crimp probe head to achieve an electrical connection between the crimp probe head and the clip body. The test clip is divided into the clip body and the base connected to each other. The clip body is configured to clamp the piece under test, and the base is configured to be detachably connected to the crimp probe head to achieve the electrical connection between the crimp probe head and the clip body, so that the piece under test can be clamped by the clip body for testing.

Abstract: A secure boot method. The method may be performed by a communication device. According to the method, the communication device can flexibly perform secure boot by using different cryptographic algorithms based on different security requirements, to ensure security of the communication device. The communication device may obtain external secure boot code (ESBC). The ESBC includes a code segment of a first cryptographic algorithm. After the ESBC is obtained, the communication device may perform an integrity check on the ESBC, and after the integrity check on the ESBC succeeds, verify a signature of next-level software based on the first cryptographic algorithm. When a cryptographic algorithm used by the communication device cannot meet a security requirement, the ESBC may be obtained, and the first cryptographic algorithm included in the ESBC is used to perform the secure boot, to meet the security requirement.

Abstract: The present disclosure relates to a radio frequency power amplifier (RFPA) control device. The RFPA control device may include an input signal processing module configured to process an input signal into two signals. A first signal may be used for signal detection, and a second signal may be used for signal amplification. The RFPA control device may also include a delay module. The delay module may be disposed between the input signal processing module and an adjustment module. The delay module may be configured to determine a delay of the second signal such that the second signal and the control signal roughly simultaneously reach the adjustment module.

Abstract: The water outlet device comprises a water outlet component and a control mechanism, the water outlet component comprises a spherical chamber, a bottom of the spherical chamber comprises a water outlet hole, a top of the spherical chamber comprises a first water inlet, a side wall of the spherical chamber comprises a second water inlet, discharging water spray from the water outlet hole is controlled by flow rate variations of the first water inlet and the second water inlet, and the control mechanism cooperates with the first water inlet and the second water inlet to steplessly adjust the flow rate variations of the first water inlet and the second water inlet.

Abstract: Gradient power amplifier (GPA) systems and methods are provided. A GPA system may include a plurality of paralleled GPAs; and at least one controller operably coupled to the plurality of paralleled GPAs. The at least one controller may be configured to perform operations including: obtaining a total current parameter of the plurality of paralleled GPAs; determining, based on the total current parameter and a target current parameter, a first difference value; and determining, based on the first difference value, a first control parameter of a first GPA of the plurality of paralleled GPAs, wherein the first control parameter is configured to control an output current of the first GPA.