Abstract: Disclosed is an automatic cleaning apparatus, including: a moving platform configured to move automatically on an operating surface; and a cleaning module disposed on the moving platform, and including: a dry cleaning module configured to clean at least a part of the operating surface by means of dry cleaning; and a wet cleaning module configured to clean at least a part of the operating surface by means of wet cleaning, where the wet cleaning module includes: a cleaning head for cleaning the operating surface, and a driving unit for driving the cleaning head to reciprocate along a target surface, the target surface being a part of the operating surface, where a width of a lateral cleaning area of the cleaning head is smaller than a width of a lateral cleaning area of the dry cleaning module.

Abstract: An automatic cleaning device is provided, including: a mobile platform configured to automatically move on an operation surface; and a cleaning module arranged on the mobile platform and including a dry cleaning module and a wet cleaning module. The wet cleaning module includes a cleaning head used for cleaning the operation surface, and a driving unit used for driving the cleaning head to make a reciprocating movement along a target surface; the target surface is a part of the operation surface; the mobile platform is provided with a thimble; the wet cleaning module is provided with a slot matched with the thimble to limit the working position of the wet cleaning module.

Abstract: An automatic cleaning apparatus that comprises a mobile platform configured to move automatically on an operation surface; a cleaning module disposed on the mobile platform and comprising: a dry-cleaning module configured to clean at least a part of the operation surface by means of dry cleaning; a wet-cleaning module configured to clean at least a part of the operation surface by means of wet cleaning; and a lifting and lowering structure connected to the dry-cleaning module or the wet-cleaning module and configured to enable the dry-cleaning module or the wet-cleaning module to move vertically relative to the mobile platform. The wet-cleaning module comprises: a cleaning head for cleaning the operation surface, and a driving unit for driving the cleaning head to reciprocate along a target surface, and the target surface is a part of the operation surface.

Abstract: Mechanisms are provided for compartmental epidemiological computer modeling based on mobility data. Machine learning training of an isolation rate prediction computer model is performed to generate a trained isolation rate prediction model that predicts an isolation rate of a biological population. Isolation data is received which comprises data indicating a measure of mobility of the biological population. The trained isolation rate prediction model is executed on input features extracted from the isolation data to generate a predicted isolation rate. A compartmental epidemiological computer model, comprising a plurality of compartments representing states of a population with regard to an infectious disease, is executed to simulate a progression of the infectious disease and flows of portions of the population from between compartments in the compartmental epidemiological computer model are controlled based on the predicted isolation rate.

Abstract: Provided are a high temperature-resistant composite nanofiltration membrane and a preparation method thereof. The high temperature-resistant composite nanofiltration membrane includes a base membrane and a polyamide membrane arranged on the base membrane; wherein the polyamide membrane is prepared from raw materials comprising: an amine, an inorganic salt, a silane additive, a polyacyl chloride, and an oil phase solvent; and the silane additive is at least one selected from the group consisting of 3-aminopropyltriethoxysilane, divinyltriaminopropyltrimethoxysilane, N-cyclohexyl-?-aminopropyltrimethoxysilane, and trimethoxy[3-(phenylamino)propyl]silane.

Abstract: Disclosed are a silicon-carbon composite material for a secondary lithium battery and a preparation method therefor. The silicon-carbon composite material for a secondary lithium battery comprises a core containing a silicon-based material, a first coating layer, and a second coating layer. The first coating layer is an electrically conductive layer, the second coating layer is an ion-conducting layer, and the first coating layer and the second coating layer are not limited to a certain order. In the silicon-carbon composite material provided by the present disclosure, the coating layer is a composite material, which combines the electroconductive (or ion-conducting) capability of a matrix material, and the reinforcing and toughening properties of a reinforcing phase, such that the material has a strong anti-expansion capability.

Abstract: An enhanced coagulation method for removing microplastics in water is provided. First, a certain amount of inorganic suspended particles are added to microplastic wastewater to increase the number of particles and thereby improve a collision probability among the particles; and then a natural polymer flocculant and a polysilicic acid are added. The polysilicic acid is used as coagulant aid, so that the three materials can comprehensively achieve the purpose of removing the microplastics in the wastewater. The enhanced coagulation method can combine respective characteristics and advantages of the three materials, so that the three materials can mutually complement each other and give full play to the role of charge neutralization and bridging and net capturing, strengthen the sedimentation performance and enhance the actual microplastic removal effect. Therefore, it is a green and environmentally-friendly enhanced coagulation technology.

Abstract: A preparation method and use of a modified hydroxyethyl cellulose scale inhibitor for inhibiting silica scale are provided. The scale inhibitor is prepared by grafting reaction with hydroxyethyl cellulose as a raw material, ammonium persulfate as an initiator and N-(3-dimethylaminopropyl) methyl acrylamide as a graft monomer. The grafting reaction can introduce grafting chains containing amide group and tertiary amine group into a cellulose molecular chain, so that it can effectively disperse scale forming substances and obtain the efficient environment-friendly scale inhibitor. The scale inhibitor can effectively inhibit the generation of silica scale and prevent the increase of scale particle size, the scale inhibitor is used in a reverse osmosis system, which can effectively alleviate the decline of the membrane flux. The scale inhibitor has a good application prospect in controlling the silica scale on the surface of the reverse osmosis membrane.

Abstract: An enhanced coagulation method for removing microplastics in water is provided. First, a certain amount of inorganic suspended particles are added to microplastic wastewater to increase the number of particles and thereby improve a collision probability among the particles; and then a natural polymer flocculant and a polysilicic acid are added. The polysilicic acid is used as coagulant aid, so that the three materials can comprehensively achieve the purpose of removing the microplastics in the wastewater. The enhanced coagulation method can combine respective characteristics and advantages of the three materials, so that the three materials can mutually complement each other and give full play to the role of charge neutralization and bridging and net capturing, strengthen the sedimentation performance and enhance the actual microplastic removal effect. Therefore, it is a green and environmentally-friendly enhanced coagulation technology.

Abstract: Systems, devices, and methods for proportionally balancing power during wireless communication are provided. The disclosures provide for an integrated radio in which the functionality of an active radio and a passive radio are integrated into a single radio, with the active and passive radios each being configured to operate in three different modes: active, passive, and backscatter. Based on power and communication link information, the integrated rode is able to balance the modes at which the two radios are operated, thereby optimizing power consumption of the device into which the integrated radio is incorporated. The resulting systems, devices, and methods lead to ultra-low power consumption that enables these communication techniques to enhance computing devices from smartwatches to laptops. Devices incorporating the integrated radios, and methods for power-proportionally exchanging data, among other systems, devices, and methods, are also provided.

Abstract: A disk array includes SSD of different page sizes and a virtual disk is constructed based on the SSDs of different page sizes. The constructed virtual disk formed by a hybrid-page chunk which includes a large-page chunk, a small-page chunk, and the small-page chunk, is not provided for the host for use, and is only used to migrate data corresponding to the large-page chunk. Based on the virtual disk formed by the hybrid-page chunk, the data with a large granularity can be stored in the SSD with a large page size, and data with a small granularity is migrated to the SSD with a small page size.

Abstract: A rotary photographing method includes obtaining brightness information in a scene where a photographing target is located and a rotation mode of a gimbal that connects a photographing device to a mobile platform, and generating control information according to the brightness information and the rotation mode. The control information including rotation control information and exposure control information. The method further includes sending the rotation control information to the gimbal to control the gimbal to rotate according to the rotation control information to drive the photographing device to rotate, and sending the exposure control information to the photographing device to control the photographing device to perform exposure according to the exposure control information.

Abstract: The present disclosure provides an image capture control method, including: in a process of changing a posture of the image capture device, obtaining a plurality of reference images captured by the image capture device; performing saliency detection on each reference image to determine a salient region in each reference image; determining an evaluation parameter of each reference image based on the salient region in each reference image and a preset image composition rule; determining a target image among the plurality of reference images based on the evaluation parameters; and setting, based on a posture of the image capture device in capture of the target image, a posture of the image capture device in image capture. Embodiments of the present disclosure help ensure that an image obtained by automatic shooting meets an aesthetic need of a user while automatic shooting of the image capture device is implemented.

Abstract: Image processing method, drone, and drone-camera system are provided. The method includes acquiring, according to a current environmental parameter of the drone, a target sky image that matches the current environmental parameter; and determining a direction parameter of the camera device when capturing a to-be-stitched image. The to-be-stitched image is an image captured under the current environmental parameter. The method further includes stitching the target sky image with the to-be-stitched image according to the direction parameter to obtain a panoramic image.

Abstract: A method of image processing includes obtaining depth information respectively corresponding to one or more objects in an image frame captured by an imaging system based on spatial configuration of the imaging system, calculating one or more rendering parameters associated with one of the one or more objects in the image frame based on at least the depth information of the one or more objects, and rendering the image frame using the one or more rendering parameters to obtain a processed image frame. The processed image frame includes an in-focus region and an out-of-focus region relative to the one of the one or more objects.

Abstract: The present disclosure provides a tracking control method. The method includes obtaining an input image sequence; based on a detection algorithm, detecting a frame of input image in the input image sequence to obtain a tracking frame including a target object; and based on a tracking algorithm, tracking the target object in a plurality of frames of input images behind the frame of input image based on the tracking frame of the target object.

Abstract: An image processing method includes obtaining a plurality of images that are captured using a gimbaled imaging device, obtaining one or more imaging parameters of the gimbaled imaging device, and constructing a panorama image using an imaging scheme that is devised based on the one or more imaging parameters.

Abstract: A syringe pump is provided. The syringe pump includes a pump body, a control system, a transmission mechanism, and a propulsion mechanism. The transmission mechanism includes a bracket, a propulsion driving motor, a screw rod, a sliding seat, a half nut, and a clutch driving assembly. The propulsion driving motor configured to drive the screw rod to rotate, the clutch driving assembly is disposed on the sliding seat, and configured to drive the half nut and the screw rod to be engaged and disengaged from each other. The propulsion mechanism includes a connecting rod, a pushing block, a pressure sensing assembly, and a clutch switch. The pressure sensing assembly is disposed on the pushing block and configured to detect pressure of a piston rod of a syringe. The clutch switch is disposed on the pushing block and electrically connected to the clutch driving assembly.

Abstract: A method for controlling a gimbal includes obtaining an image recorded by an image sensor that is carried by the gimbal, extracting a reference object from the image, determining an offset attitude angle of the image sensor according to position information of the reference object in a preset coordinate system, and adjusting the attitude of the image sensor by the gimbal according to the offset attitude angle.