Abstract: A visual content search and retrieval platform comprising an object detection model, a coarse-grained image classification model, and a selection of fine-grained image classification models. During inference, the object detection model locates and extracts a query object in a query image; the coarse-grained image classification model classifies the query object's meta-category; the fine-grained image classification model trained and optimized for the meta-category of the query object is selected; and the selected fine-grained image classification model searches and retrieves from an image database images of objects most similar to the query object.

Abstract: The present disclosure provides an ice cream maker. The ice cream maker including: a cutter configured for mixing and cutting food materials; a driving structure for converting electrical energy into kinetic energy; a lifting member driven by the driving structure to move in a longitudinal direction of the lifting member; and a receiving cavity configured for accommodating the driving structure and the lifting member, and formed by an upper housing and a lower housing; wherein the cutter is detachably connected to the upper housing; the upper housing is driven by the lifting member to move in the longitudinal direction so as to vary a distance in the longitudinal direction between a top end of the upper housing and a bottom end of the lower housing.

Abstract: The present disclosure discloses an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having negative refractive power; a prism having an incident surface, a reflecting surface, and an exit surface, and an angle between the reflecting surface and the optical axis being 45°; a stop; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refractive power.

Abstract: The present invention is directed to imidazo[1,2-b][1,2,4]triazines and imidazo[1,2-a]pyrimidines, and pharmaceutical compositions thereof, which are inhibitors of kinases such as c-Met and are useful in the treatment of cancer and other diseases related to the dysregulation of kinase pathways.

Abstract: The present invention provides compounds of Formula I: or pharmaceutically acceptable salts thereof, as well as their compositions and methods of use, that inhibit the activity of Janus kinase (JAK) and are useful in the treatment of diseases related to the activity of JAK including, for example, inflammatory disorders, autoimmune disorders, cancer, and other diseases.

Abstract: A mounting base includes: a body; and an aftermarket product mounting portion and a vehicle body connection portion arranged on two opposite sides of the body, respectively. The aftermarket product mounting portion is configured to be connected with an aftermarket product, and the vehicle body connection portion matches with a mounting position arranged in a vehicle body. The body has an accommodating cavity, the vehicle body connection portion is provided with a connection structure, and the connection structure is rotatably connected to the body and is configured to be accommodated in the accommodating cavity.

Abstract: The present application relates to a rectification control system, a charger and a control method for a charger.

Abstract: A steroid compound for treating a central nervous system disease, a method for preparing same, and use and a pharmaceutical composition thereof. The steroid compound has a 9?,10? structure and has the structural formula depicted as Formula I in this document. The steroid compound acts as a GABA regulator, prolongs the opening time of a chloride ion channel activated by GABA, adjusts the excitability of the central nervous system (CNS), and treats and prevents CNS-related diseases. Besides, the 9?,10? steroid compound of the present invention has a sedative effect and can be used as a sedative.

Abstract: The present application relates to a noise-reduced power device, a noise reduction mechanism and a noise reduction method, and particularly to the technical field of a power device. The noise-reduced power device includes a housing, a transmission assembly is provided in the housing, a power input end of the transmission assembly is connected to a motor, a power output end thereof is connected to a screw rod extending out of the housing, a gap is formed between the motor and an inner wall of the housing, and a noise reduction mechanism is provided around the motor.

Abstract: An analysis method for evaluating and optimizing wireless energy transfer efficiency and gain of electromagnetic metasurfaces comprises: acquiring total channel characteristics of an mth metasurface unit in a system; acquiring a total channel characteristic matrix C of the metasurface in the system; acquiring a matrix U; acquiring a matrix T; acquiring a quadratic 0-1 integer programming problem for determining the energy transfer efficiency or gain; and using a solution of the above programming problem to obtain optimized energy transfer efficiency or optimized gain, and obtain optimized metasurface unit arrangement.

Abstract: The present disclosure provides an atomizing device that facilitates the replacement of atomizing cartridge, including: a power supply assembly provided with an accommodating cavity and an outlet, the outlet being in communication with the accommodating cavity and a space outside the power supply assembly; an atomizing assembly including a liquid storage cup and an atomizing cartridge, the liquid storage cup being provided in the accommodating cavity and configured to be limited in the accommodating cavity in a direction from the accommodating cavity to the outlet, one or more mounting cavity being provided in the liquid storage cup, the atomizing cartridge being mounted in the mounting cavity; and a nozzle assembly detachably fixed on the power supply assembly, and the nozzle assembly being capable of blocking the outlet when fixed to the power supply assembly.

Abstract: The present application provides a heat exchange system, a water heater, and a method for controlling the water heater. The heat exchange system includes a heat exchanger and a flow valve. The heat exchanger includes an inlet tube section and an outlet tube section. The flow valve is provided at a side of the heat exchanger and includes a valve body and a controller provided at the valve body. The valve body includes a first tube connected to the inlet tube section, a second tube connected to the outlet tube section, and a bypass tube connecting the first tube and the second tube. The controller is configured to control the water flow rate of the bypass tube.

Abstract: A signal transmission terminal, a sampling device, a battery module and a device are disclosed. The signal transmission terminal is used for the sampling device. The sampling device includes a conductive sheet. The signal transmission terminal includes a first connecting portion, a second connecting portion and a bendable portion. The first connecting portion is used for being connected to the conductive sheet and is provided with a raised portion. The second connecting portion is connected to the first connecting portion and is used for being connected to a sampling object. The bendable portion is used for being connected to the first connecting portion. The bendable portion is configured to press the conductive sheet between the first connecting portion and the bendable portion after being bent. The above signal transmission terminal can improve connection stability with the conductive sheet, such that reliability of sampling precision can be guaranteed.

Abstract: A flow valve includes: a first valve body provided with a first water inlet, a first water outlet, and a bypass port, a second valve body detachably connected to the first valve body and provided with a second water inlet, a second water outlet, and a water passage and a controller provided at the first valve body. A first flow channel is communicated with the first water inlet and the first water outlet, and a bypass flow channel is communicated with the first flow channel and the bypass port. A second flow channel is communicated with the second water inlet and the second water outlet, and the bypass port communicated with the second flow channel via the water passage. The controller is configured to control a water flow rate of the bypass flow channel.

Abstract: The present application relates to a rectification control system, a charger and a control method for a charger.

Abstract: This application relates to derivatives of Formula I: and pharmaceutically acceptable salts thereof, which are inhibitors of PI3K, and compositions and methods of treatment related thereto.

Abstract: A substation inspection device includes a rack, an anti-vibration mechanism, a camera apparatus and a lock-stop apparatus. The anti-vibration mechanism is mounted on the rack. The camera apparatus includes a first mounting seat and a camera assembly. The first mounting seat is mounted on the rack through the anti-vibration mechanism. The camera assembly is mounted on the first mounting seat. The lock-stop apparatus is mounted on the rack and is configured to fix the camera apparatus.

Abstract: A substation inspection device includes a rack, an anti-vibration mechanism, a camera apparatus and a lock-stop apparatus. The anti-vibration mechanism is mounted on the rack. The camera apparatus includes a first mounting seat and a camera assembly. The first mounting seat is mounted on the rack through the anti-vibration mechanism. The camera assembly is mounted on the first mounting seat. The lock-stop apparatus is mounted on the rack and is configured to fix the camera apparatus.

Abstract: A folding table stand includes a crossbeam and at least two table legs. Each table leg of the at least two table legs has a folded state and an in-use state for supporting the crossbeam. The each table leg is rotatable relative to the crossbeam so that the each table leg can switch between the in-use state and the folded state. The lower end of the each table leg is connected to a foot for being supported by the ground. The crossbeam is provided with a first accommodating slot. The foot closest to the crossbeam is at least partially accommodated in the first accommodating slot when the at least two table legs are both in a folded state.

Abstract: The present application relates to one-motor-duel-drive synchronous drive device. The drive device includes: a housing, wherein the housing is hollow, a telescopic mechanism is connected to the housing, the telescopic mechanism includes a screw rod, and one end of the screw rod extends into the housing; a transmission mechanism, wherein the transmission mechanism comprises a first transmission component rotatably connected to an inner wall of the housing, a second transmission component is fixedly connected to the screw rod, and the first transmission component and the second transmission component are staggered gears engaged with each other; a linkage lever provided between the housings, wherein two ends of the linkage lever are connected to the first transmission component, respectively; and a drive mechanism configured to act on the linkage lever to rotate the linkage lever.