Abstract: A multi-split air conditioner and control method are provided. The multi-split air conditioner includes an outdoor unit including an oil separator and a four-way valve. The outdoor unit includes a pipeline connecting the oil separator and the four-way valve, and the pipeline includes a first pipeline and a second pipeline arranged in parallel, wherein the first pipeline is provided with a heat storage module and a heat storage module control valve, and the second pipeline is provided with a first control valve. When the outdoor environment temperature satisfies a certain condition, the first pipeline and the second pipeline are controlled, so that at least part of working medium circulates in the first pipeline between the oil separator and the four-way valve through the heat storage module.

Abstract: A method for manufacturing a circuit board is disclosed. An inner wiring base board with a first opening is provided. A base board is fixed in the first opening, and a first wiring base board and a second wiring base board are pressed on opposite surfaces of the inner wiring base board. The base board is made of ceramic and has a high light reflectivity of 92% to 97%. A first conductor layer and a second conductor layer are formed on opposite surfaces of the laminated structure. The first conductor layer includes a plurality of connecting pads on the base board. A solder mask is formed on an outer side of the first conductor layer, the solder mask has a high light reflectivity of 92% to 95%, and the base board is exposed outside the solder mask.

Abstract: The present application discloses a multi-split air conditioner and a control method thereof. The multi-split air conditioner includes a plurality of outdoor heat exchangers connected in parallel to a refrigerant main circulation passage, wherein a parallel branch in which each of the plurality of outdoor heat exchangers is located is provided with a branch control valve capable of controlling a flow rate of refrigerant flowing through the parallel branch. The control method includes: determining a current superheat degree of the multi-split air conditioner; when the current superheat degree of the multi-split air conditioner deviates from a set target superheat degree, controlling and regulating the flow rate of the refrigerant flowing through the branch control valve; and controlling and regulating the flow rate of the refrigerant flowing through the air supplement control valve according to the flow rate of the refrigerant flowing through each of branch control valves.

Abstract: A circuit board with high light reflectivity includes an inner wiring base board, a base board with a high light reflectivity, a first insulation layer, a first conductor layer, and a second insulation layer. A first opening in the inner wiring base board receives the base board. The first insulation layer is stacked on a surface of the inner wiring base board and defines a second opening corresponding in position to the first opening and exposing a portion of the base board. The first conductor layer is on a surface of the first insulation layer away from the inner wiring base board and includes connecting pads on the base board. The second insulation layer and the second conductor are stacked in that order on another surface of the inner wiring base board. A method for manufacturing the circuit board is also disclosed.

Abstract: A comfortable fabric with a strong three-dimensional effect is woven from warps and wefts. The warps and the wefts are woven into a 1/1 pattern, wherein the warp density is 11 threads/cm and the weft density is 10 threads/cm. The warps and the wefts each include a cationic dyeable polyester hollow yarn that comprises two different polyester yarns which can be dyed with two different colors. The warps and wefts comprise big-belly yarns and the cationic dyeable polyester hollow yarns. The resulting fabric has protruding patterns, a strong three-dimensional effect, good air permeability, a rough feel to the touch, and a unique aesthetic appearance.

Abstract: A wearable working head for a nursing machine includes a front wearing part, where the front wearing part includes a toilet recess and a urine hood. The urine hood includes a hood wall and a recess enclosed by the hood wall, where the recess is located at an inner side of the hood wall. The hood wall is provided with at least one air vent communicating the recess to the outside of the hood wall.

Abstract: The disclosure belongs to the technical field of radiomics, and particularly relates to an extraction method for radiomics feature information of knee joint effusion. each layer of an image is segmented into a plurality of regions, the interference of image noises in each region is removed, then whether each region after interference removal is an effusion region or not is judged, finally, the radiomics features of each effusion region are calculated, interpolation processing is respectively implemented on the obtained image position and the area of the effusion regions, an effusion area simulation change curve is drawn, curve integration is implemented to obtain volume information, and all the extracted information is stored in a cell array of a MATLAB. thus the effusion information in the MRI image of the knee joint is automatically extracted, and meanwhile, the method is fast in speed, high in accuracy, good in repeatability.

Abstract: A near-eye display system for pupil expansion based on a diffractive optical element includes: A laser light source or an LED light source; a diffusion sheet, arranged on an emergent light path of the laser light source or the LED light source; a micro-electro-mechanical system (MEMS) scanning mirror, arranged on an emergent light path of the diffusion sheet; a diffractive optical element, arranged on an emergent light path of the MEMS scanning mirror; a collimating lens module, arranged on an emergent light path of the diffractive optical element; a mirror, arranged on an emergent light path of the collimating lens module; and a reflective diffraction structure, arranged on a reflection light path of the mirror such that a human eye sees a superimposed image of a real world and a virtual world.

Abstract: Described herein is a two-part condensation curable silyl-modified polymer based adhesive composition suitable for the adhesion of a front lens having an anti-haze coating onto a lamp body for lighting applications. Also described herein are lamps comprising a lamp body and a front lens utilizing the adhesive composition to adhere the front lens to the lamp body while generally preserving the integrity of the anti-haze coating.

Abstract: A wearable working head for a nursing machine includes a front wearing part, where the front wearing part includes a toilet recess and a urine hood. The urine hood includes a hood wall and a recess enclosed by the hood wall, where the recess is located at an inner side of the hood wall. The hood wall is provided with at least one air vent communicating the recess to the outside of the hood wall.

Abstract: A circuit board with high light reflectivity includes an inner wiring base board, a base board with a high light reflectivity, a first insulation layer, a first conductor layer, and a second insulation layer. A first opening in the inner wiring base board receives the base board. The first insulation layer is stacked on a surface of the inner wiring base board and defines a second opening corresponding in position to the first opening and exposing a portion of the base board. The first conductor layer is on a surface of the first insulation layer away from the inner wiring base board and includes connecting pads on the base board. The second insulation layer and the second conductor are stacked in that order on another surface of the inner wiring base board. A method for manufacturing the circuit board is also disclosed.

Abstract: An air inducing device for an air conditioner and an air supply control method to resolve user discomfort. The device includes an inducing member and an air storage member communicating with an air supply port, and the inducing member has an air inlet and an air outlet; an air inducing panel is provided at the air inlet, and the air inducing panel has a plurality of air inducing holes; an air outlet panel is provided at the air outlet, and the air outlet panel has a plurality of air outlet holes; an air speed increasing structure is provided between the air storage member and the inducing member, and the air speed increasing structure forms a negative pressure in the inducing member to allow indoor air to enter f and mix with air discharged before entering the room, so that the temperature of blown air is closer to room temperature.

Abstract: A device may receive a computing resource request. The computing resource request may be related to allocating computing resources for a job. The device may process the computing resource request to identify a set of parameters related to the computing resource request or to the job. The set of parameters may be used to determine an allocation of the computing resources for the job. The device may utilize multiple machine learning models to process data related to the set of parameters identified in the computing resource request. The device may determine the allocation of the computing resources for the job based on utilizing the multiple machine learning models to process the data. The device may generate a set of scripts related to causing the computing resources to be allocated for the job according to the allocation. The device may perform a set of actions based on the set of scripts.

Abstract: The present disclosure discloses an air outlet device of an air conditioner and an air conditioner. The air outlet device includes an air storage device and an induced device, wherein the air storage device includes an air storage cavity and an air accelerating structure, and the induced device includes an induced air duct, a mixing port, an air outlet and a heat storage device, wherein an induced air passing through the induced air duct and an air flow accelerated by the air accelerating structure are mixed at the mixing port, the heat storage device is disposed between an outlet of the mixing port and the air outlet, a flow equalization space is formed between the heat storage device and a side wall of the induced air duct, the heat storage device includes a heat exchanger fin provided with at least one communication port and a heat exchange tube.

Abstract: Provided is a main unit of a nursing machine, including a sewage bucket accommodating sewage, a water blocking device, a first water tank, a second water tank, a water pump, a first waterway, a second waterway, and a third waterway. The water blocking device includes a labyrinth-type channel communicating with a water storage cavity and a float accommodation cavity, and multiple division boards extending up and down to perform separation to form the labyrinth-type channel. The labyrinth-type channel is located between the water storage cavity and the float accommodation cavity, and communicates between the water storage cavity and the float accommodation cavity. The second water tank is provided with a first water inlet and a first water outlet. The water pump joins the third waterway.

Abstract: A refrigeration system, comprising an evaporator, a condenser, a throttling device, a compressor, an economizer and an ejector, these devices together form a closed-loop refrigerant circulation loop, the ejector being connected to the economizer, and the ejector being provided on an exhaust side of the compressor. The structure enables the refrigeration system to realize the dual-stage boost, does not affect the stability of the compressor due to the instability of the airflow of the ejector, and does not affect the oil property of the compressor, thereby ensuring the operation safety of the compressor.

Abstract: A multi-split air-conditioning system, and a method for calculating a heat exchange capacity thereof. The method includes: acquiring a total heat exchange capacity of a multi-split air-conditioning system; acquiring a pressure difference between two pressure measurement points on each air pipe; acquiring the distance between the two pressure measurement points on each air pipe; acquiring the pipe diameter of each air pipe; acquiring the friction factor of each air pipe; acquiring the density of a heat exchange medium in each air pipe; and according to the total heat exchange capacity of the multi-split air-conditioning system, the pressure difference and distance between the two pressure measurement points on each air pipe, the pipe diameter and friction factor of each air pipe, and the density of the heat exchange medium in each air pipe, calculating a heat exchange capacity of each indoor unit.

Abstract: The present application discloses a multi-split air conditioner and a control method thereof. The multi-split air conditioner includes a plurality of outdoor heat exchangers connected in parallel to a refrigerant main circulation passage, wherein a parallel branch in which each of the plurality of outdoor heat exchangers is located is provided with a branch control valve capable of controlling a flow rate of refrigerant flowing through the parallel branch. The control method includes: determining a current superheat degree of the multi-split air conditioner; when the current superheat degree of the multi-split air conditioner deviates from a set target superheat degree, controlling and regulating the flow rate of the refrigerant flowing through the branch control valve; and controlling and regulating the flow rate of the refrigerant flowing through the air supplement control valve according to the flow rate of the refrigerant flowing through each of branch control valves.