Abstract: The present disclosure is related to imaging systems and methods. The method includes obtaining optical image data of a subject to be scanned by a medical device. The method includes determining a scan range of the subject based on the optical image data. The scan range includes at least one scan area of the subject. The method includes determining at least one parameter value of at least one scan parameter based on the at least one scan area of the subject. The method further includes causing the medical device to scan the subject based on the scan range and the at least one parameter value of the at least one scan parameter.

Abstract: The present disclosure relates to an image scanning method and system for a medical device. The method may include determining a target position of a scanned object in a scanning region of the medical device; moving the scanned object to the target position. The method may include controlling the medical device to perform a scanning on the scanned object to obtain a scanned image of the scanned object. The method may include determining at least one abnormal point in the scanned image and recommending a scanning protocol based on the at least one abnormal point. The method may further include controlling the medical device to perform a scanning on the scanned object based on the scanning protocol.

Abstract: A high-pressure liquid delivery system under a high centrifugal acceleration condition on an arm-centrifuge, comprising a centrifuge main engine, a ground liquid source, a ground delivery conduit, a centrifuge bottom rotary joint, a centrifuge rotary arm delivery conduit, a rotary arm-basket pin roll, a basket rotary joint, a basket delivery conduit and a basket conduit outlet. According to the present disclosure, the basket rotary joint is introduced to adapt to the change of the basket-rotary arm angle before and after the arm-type basket centrifuge works, so that the demand for water, electricity, oil and gas transportation of the centrifuge is met. Therefore, the design for the conduit of the centrifuge-basket part is solidified, and compared with the traditional solution that a high-pressure hose is connected to the basket, the centrifugal acceleration load of the load can be increased to more than 500 g.

Abstract: Provided in the present disclosure are a via hole structure of a circuit board, and a circuit board. The via hole structure comprises at least one pair of differential signal holes, wherein each pair of differential signal holes comprises a first differential signal hole and a second differential signal hole. In a thickness direction of the circuit board, there are several distances between the central axis of the first differential signal hole and the central axis of the second differential signal hole, and numerical values of at least two distances are different.

Abstract: The present disclosure relates to the field of livestock farming and specifically pertains to an alkaline mineral composition, a method of preparation, and use thereof. The alkaline mineral composition includes a metal ion complex, a mineral ion complex, an alkaline soluble rare earth salt, and a composite gel as active ingredients, formulated in specific mass ratios. It can be used as a feed additive, added to drinking water, or directly fed to animals. The components of the alkaline mineral composition in the present disclosure synergistically enhance efficacy, collectively inhibiting replication and transmission of viruses including coronaviruses, circoviruses, rotaviruses, arteriviruses, and herpesviruses in livestock. It enhances the body's toxin-filtering capacity, strengthens host cell antiviral and immune capabilities, and helps the host resist the damage caused by viruses to the body, effectively improving the viral infection in livestock.

Abstract: Provided are a genomic prediction method and apparatus based on a genotype-environment interaction heterogeneous graph, relating to the technical field of bioinformatics.

Abstract: Provided is a display apparatus. The display apparatus includes: a liquid crystal display panel and a backlight module, wherein a first sealed air cavity is formed inside the liquid crystal display panel, and the backlight module is located on one side of the liquid crystal display panel and forms a second sealed air cavity with the liquid crystal display panel; and a sound production board and a sound production exciter, wherein the sound production board is fixed onto the surface of the backlight module away from the liquid crystal display panel, a vibration output terminal of the sound production exciter is fixed onto the surface of the sound production board away from the backlight module, and the sound production exciter is used for exciting, by means of the vibration output terminal, the sound production board to vibrate, so as to drive the backlight module to vibrate.

Abstract: A display apparatus includes a liquid crystal display panel and a backlight module, a first sealed air cavity formed inside the liquid crystal display panel, and the backlight module being located on one side of the liquid crystal display panel and forming a second sealed air cavity with the liquid crystal display panel; and a sound-emitting board and a sound-emitting exciter, the sound producing board being fixed to the surface of the backlight module far away from the liquid crystal display panel, and a vibration output terminal of the sound-emitting exciter being fixed to the surface of the sound-emitting board far away from the backlight module.

Abstract: A handheld electric cleaning brush with two nested brush heads rotating oppositely, comprising: a cylindrical shell and brush heads, wherein the brush heads are arranged at a front end of the cylindrical shell, and a handle is arranged on a side wall of the cylindrical shell. The brush heads comprise an inner brush head and an outer brush head. Two nested rotating shafts are arranged in the cylindrical shell, the two brush heads are nested spaced apart from each other and are replaceably snap-fitted into front ends of the two nested rotating shafts, respectively, and the two nested rotating shafts are an inner rotating shaft and an outer rotating shaft, respectively. One driving device drives the two rotating shafts to rotate oppositely so as to drive the two brush heads to rotate oppositely. The inner rotating shaft is sleeved on a central shaft arranged in the cylindrical shell.

Abstract: A wafer boat temporary storage device for temporarily storing a wafer boat in a semiconductor processing device includes two carrying platforms arranged oppositely and configured to carry two ends of the wafer boat in a length direction of the wafer boat, respectively. The wafer boat includes two positioning parts arranged at two ends in the length direction and spaced apart in a width direction of the wafer boat. Each carrying platform includes a first positioning structure and a second positioning structure. The first positioning structure is configured to make rolling contact with two sides of the two positioning parts at one end of the wafer boat that face toward or away from the two positioning parts at the other end of the wafer boat in the length direction to perform alignment between the wafer boat and the wafer boat temporary storage device in the length direction.

Abstract: Method for separating ethylene glycol (EG) and ethylene glycol diacetate (EGDA) with sulfolane entrainer, including: obtaining EG and a mixture of EGDA and sulfolane through separating a mixture of EG and EGDA under an action of sulfolane by an extractive distillation tower; obtaining EGDA and sulfolane through separating the mixture of the EGDA and the sulfolane by an entrainer recovery tower; and obtaining recycled sulfolane through cooling the sulfolane by a heat exchanger, and mixing the recycled sulfolane with fresh sulfolane and circulating into the extractive distillation tower for recycling. Through the method, a yield of the EG is greater than or equal to 99.50% and a mass purity of the EG is greater than or equal to 99.50%, and a yield of the EGDA is greater than or equal to 99.80% and a mass purity of the EGDA is greater than or equal to 99.90%.

Abstract: The present application discloses a camera component, a computer device, and a storage medium. A method for controlling multiple camera components includes: receiving a first request instruction from a first application to call multiple camera components; and responding to the first request instruction, establishing and executing a first virtual pipeline. The first virtual pipeline includes a plurality of first virtual pipeline processing stages, and each of the first virtual pipeline processing stages respectively calls one of the camera components to execute the first request instruction. The control method for multiple camera components provided by this application enables multiple components of the same camera to be called (or invoked) by multiple applications, and when multiple applications call multiple camera components at the same time, there will be no picture interruption or obvious frame drop problems.

Abstract: Disclosed is device and method for controlling pressure of high-temperature and high-pressure reactor. The device includes an automatic pressurizing unit, a manual pressurizing unit, a temperature boosting and pressure boosting control unit, and a temperature and pressure control panel. A first valve, a first pressure gauge, a second valve, and a second pressure gauge are successively provided between the automatic pressurizing unit and the manual pressurizing unit. A pipeline where the temperature boosting and pressure boosting control unit is located is connected between the first pressure gauge and the second valve by a tee. The temperature and pressure control panel is connected to the automatic pressurizing unit, the manual pressurizing unit, and the temperature boosting and pressure boosting control unit by a wire.

Abstract: Method for separating ethylene glycol (EG) and ethylene glycol diacetate (EGDA) with sulfolane entrainer, including: obtaining EG and a mixture of EGDA and sulfolane through separating a mixture of EG and EGDA under an action of sulfolane by an extractive distillation tower; obtaining EGDA and sulfolane through separating the mixture of the EGDA and the sulfolane by an entrainer recovery tower; and obtaining recycled sulfolane through cooling the sulfolane by a heat exchanger, and mixing the recycled sulfolane with fresh sulfolane and circulating into the extractive distillation tower for recycling. Through the method, a yield of the EG is greater than or equal to 99.50% and a mass purity of the EG is greater than or equal to 99.50%, and a yield of the EGDA is greater than or equal to 99.80% and a mass purity of the EGDA is greater than or equal to 99.90%.

Abstract: Systems and methods for image processing are provided. The systems obtain a plurality of images of a target subject that are captured consecutively over time. The target subject is injected with tracer and including a target body portion. For each of the plurality of images, the systems generate a sub-image of the target body portion by segmenting the image and transform the sub-image to generate a transformed sub-image in a standard space based on a template image of the target body portion. The standard space includes a plurality of template images of a plurality of body portions. The systems further determine an uptake variation curve indicating a change of tracer uptake in the target body portion over the time based on the transformed sub-images corresponding to the plurality of images.