Abstract: An intelligent puncture path planning method, a device, an equipment and a medium in a PVP operation. The method includes: intercepting a local CT image of a vertebral body from an image; identifying midpoint of the narrowest part of vertebral pedicle and a theoretical puncture injection stop-point from the local CT image through trained neural network model; calculating distance from the stop-point to the middle plane in front-back direction of the vertebral body, distance from the stop-point to the middle plane in left-right direction of the vertebral body and the closest distance from the stop-point to the cortical bone surface, taking the minimum value of distances as radius of a space sphere area with the stop-point as sphere center; taking a line connecting midpoint of the narrowest part of any vertebral pedicle and any point in the space sphere area as an optional puncture path of the vertebral pedicle.

Abstract: A control method for a multi-split air conditioning system capable of simultaneous cooling and heating to solve the problem that uneven cooling and heating occurs when running an existing multi-split air conditioning system. The method includes calculating the cooling or heating temperature effect deviation of each indoor unit on the basis of the indoor ambient temperature and set temperature of the environment where each indoor unit is located; calculating the total cooling effect deviation and total heating effect deviation of an multi-split air conditioning system on the basis of the horsepower of all the indoor units and the corresponding cooling temperature deviation or heating temperature deviation; and selectively adjusting the degrees of opening of valve boxes on the basis of the total cooling effect deviation and the total heating effect deviation. The method ensures balanced distribution of refrigerant, balanced running effects the units, and avoids uneven heating and cooling.

Abstract: The present disclosure provides an image registration method and system for navigation in femoral neck fracture surgery, an electronic device, and a computer-readable storage medium. The method includes: obtaining femoral image data by a computed tomography (CT) imaging device before surgery and obtaining a surgical path planned by a doctor to generate a three-dimensional femoral image with the surgical path; obtaining, during the surgery, X-ray images photographed by an X-ray machine at different angles, and extracting feature points on each of the X-ray images; setting digitally reconstructured radiograph (DRR) virtual scene projection parameters based on a structure of the X-ray machine, projecting the three-dimensional femoral image with the surgical path to generate a plurality of DRR images, and extracting feature points on each of the DRR images; and automatically registering the DRR image and the X-ray image, and outputting a surgical path after registration.

Abstract: Provided are a salt form of an estrogen receptor down-regulator, a crystalline form thereof, and a preparation method therefor

Abstract: The present application discloses a similarity processing method, an apparatus, a server and a storage medium, and relates to the fields of information processing and natural language processing. The specific implementation solution is as follows: acquiring a first character string and a second character string; determining a pronunciation pattern similarity and a character pattern similarity between the first character string and the second character string; and determining a comprehensive similarity between the first character string and the second character string, based on the pronunciation pattern similarity and the character pattern similarity.

Abstract: An expansion valve control method for a multi-split air-conditioning system to solve the problem of detecting leakage of an expansion valve of a multi-split air-conditioning system. The system includes an outdoor unit and a plurality of indoor units connected to the outdoor unit, each of the indoor units is connected to the outdoor unit by a first pipeline and a second pipeline. The expansion valve control method includes acquiring an indoor temperature of an environment where an indoor unit is located; acquiring the temperature of a first pipeline of the indoor unit and the temperature of a second pipeline of the indoor unit when the indoor unit is in a shutdown state; and according to at least the indoor temperature of the environment where the indoor unit is located, determining the leakage condition of an expansion valve of the indoor unit.

Abstract: According to an embodiment, a node comprises one or more processors operable to execute instructions to cause the node to perform operations that comprise receiving a packet from a first node associated with an SD-WAN domain. The packet comprises a header indicating a TLOC associated with a second node to send the packet, the second node associated with an SR domain. The operations comprise determining that the TLOC corresponds to a virtual TLOC used in the SD-WAN domain to identify the second node that is in the SR domain and, in response, determining a second node identifier used in the SR domain to identify the second node. The operations further comprise preparing the packet to be communicated via the SR domain. Preparing the packet comprises including the second node identifier in the packet. The operations further comprise sending the packet comprising the second node identifier to the second node.

Abstract: A method for controlling the balanced frosting of outdoor units in a multi-split air-conditioning system solving the problem in existing multi-split air-conditioning systems of resource waste caused by a low utilization efficiency of the heating capability of outdoor units as a result of some of the outdoor units entering a defrosting state when the heating capability is not fully utilized. According to the control method, by determining whether an outdoor unit set satisfies a frosting unbalance condition, the actual output capability of outdoor units of the outdoor unit set is selectively controlled on the basis of the frosting degrees of all the outdoor units. Thus, the difference between the frosting degrees of different outdoor units in the outdoor unit set at the same time can be reduced, such that the heating capability of all the outdoor units can be fully utilized when the outdoor unit set enters a defrosting state.

Abstract: A lens includes a lens tube and the optical element mounted in the lens tube. The lens tube has a top surface, and a conductive layer is disposed on a surface that is of the optical element and that faces a side on which the top surface is located. The lens further includes antistatic structure disposed on the top surface, and an electrostatic conducting wire disposed in a tube wall or on an inner surface or an outer surface of the lens tube. One end of the electrostatic conducting wire is electrically coupled to the antistatic structure, and the other end is grounded.

Abstract: An assembly includes a premise security device, a mounting bracket, a first electrical cable, and a second electrical cable. The first electrical cable has a first electrical cable first end, connected to the premise security device controller, and a first electrical cable second end. The second electrical cable has a second electrical cable first end, electrically connected to the premise security device controller, and a second electrical cable second end. When the premise security device housing is coupled to the second mounting bracket portion, the second electrical cable second end is electrically connected to the first electrical cable second end to form an electrical circuit between the premise security device controller and the electrically connected electrical cable second ends. The premise security device controller is configured to monitor the presence of the electrical circuit and generate a tamper signal when the electrical circuit is no longer present.

Abstract: Herbal composition having an effect of reducing uric acid, which is made from the following herbal materials in specified portions by weight: 4-30 portions of Glabrous greenbrier rhizome, 2-15 portions of Chicory, 2-15 portions of Herba Plantaginis, 2-20 portions of Coix seed, and 2-10 portions of Kudzuvine Root. The composition may be used in combination with modern Western medicines to achieve optimal effects.

Abstract: The present invention provides an isocyanurate-containing polyisocyanate composition with stable chromaticity, and a preparation method thereof, belonging to the technical field of polyisocyanate composition preparation. The preparation method comprises: an isocyanate monomer being polymerized in the presence of a catalyst, after the reaction is terminated, obtaining a prepolymer, subjecting the prepolymer to separation treatment and heat treatment, and obtaining the polyisocyanate composition containing isocyanurate; based on the weight of the polyisocyanate composition, the cleavable amine content of the polyisocyanate composition is less than or equal to 20 ppm. By means of controlling the cleavable amine content of the polyisocyanate composition, the present invention causes the resulting isocyanurate-containing polyisocyanate composition to have stable storage chromaticity, and the present invention has a chrominance increase of ?10 Hazen when stored at 40° C. for 12 months.

Abstract: The present invention discloses a method and an apparatus for controlling an air conditioner, and a computer storage medium, and relates to the technical field of intelligent household appliances. The method includes acquiring a current physical characteristic parameter of an air conditioner user in a current sampling timeframe; and adjusting either or both of a current set temperature and a current compressor frequency of the air conditioner according to the current physical characteristic parameter and current energy consumption of the air conditioner when the current physical characteristic parameter falls within a set range of parameters in sleep. Therefore, energy conservation and a comfortable user experience are compatible, thereby providing more functions for the control of the air conditioner in the sleep mode.

Abstract: An agricultural machine may include a first plurality of sensors configured to measure characteristics of product stored on the machine for use during the machine's operation. The machine may also include a second plurality of sensors configured to measure characteristics associated with operation of the machine, in particular, in the form of feedback from ground engaging mechanisms of the machine, such as row units and wheel assemblies coupled to a frame of the machine. Based on the measured characteristics of the stored product and the measured characteristics associated with the machine's operation, a controller may adjust actuators coupled between adjacent sections of the frame to transfer weight of the stored product between certain sections of the frame, which in turn optimizes the machine's operational characteristics.

Abstract: The present invention provides a photodiode structure with a dark current indication function, including a photosensitive photodiode and a reference photodiode, where a photosensitive surface of the reference photodiode is provided with a light-blocking layer, and there is a fixed multiple relationship between dark currents of the photosensitive photodiode and the reference photodiode. The present invention further provides a photoelectric sensor, including a processing module and the photodiode structure. According to a structural design of the present invention, the photodiode structure may output two paths of current signals, so that an accurate signal photocurrent can be obtained only by subtracting the two paths of current signals in practice work, so as to finally achieve the objectives of eliminating the dark currents and reducing noise; and moreover, in the present invention, the dark currents of photodiodes are eliminated without increasing peripheral devices.

Abstract: The present invention belongs to the technical field of preparing isocyanate derivatives, and particularly relates to a storage-stable polyisocyanate composition and a preparation method therefor. The method comprises: in the presence of a catalyst system, subjecting an isocyanate monomer to a polymerization reaction; terminating the reaction after a suitable conversion rate is reached, so as to obtain a polyisocyanate reaction solution; and then performing heat treatment on the obtained polyisocyanate reaction solution to obtain a heat-treated polyisocyanate mixture, wherein the heat treatment temperature is 10-30° C. higher than the heat-sensitive temperature of the obtained polyisocyanate product, and the heat treatment time is 5-30 min; and then performing separation treatment on the heat-treated polyisocyanate mixture. When the polyisocyanate composition of the present invention is stored at 50° C.

Abstract: According to an embodiment, a node comprises one or more processors operable to execute instructions to cause the node to perform operations that comprise receiving a packet from a first node associated with an SD-WAN domain. The packet comprises a header indicating a TLOC associated with a second node to send the packet, the second node associated with an SR domain. The operations comprise determining that the TLOC corresponds to a virtual TLOC used in the SD-WAN domain to identify the second node that is in the SR domain and, in response, determining a second node identifier used in the SR domain to identify the second node. The operations further comprise preparing the packet to be communicated via the SR domain. Preparing the packet comprises including the second node identifier in the packet. The operations further comprise sending the packet comprising the second node identifier to the second node.

Abstract: The present invention provides a normal-incident photodiode structure with a dark current self-compensation function, including a photosensitive photodiode and a compensating photodiode, where a photosensitive surface of the compensating photodiode is provided with a light-blocking layer, and dark currents of the photosensitive photodiode and the compensating photodiode are equal.