Abstract: Embodiments of the present application provides a ray scanning apparatus, which includes: a conveying device for conveying an object under inspection to pass through a scanning region of the ray scanning apparatus; a ray source assembly including a plurality of ray source modules, each of the ray source modules including at least one ray source point emitting a ray beam; and a detector assembly for detecting rays transmitting through the object under inspection during scanning and including a plurality of detector sets.

Abstract: A ray scanning apparatus, including: a conveying device; a ray source assembly including a plurality of ray source modules arranged around the scanning area in a non-enclosed structure opened on one side of the scanning area; and a detector assembly including a plurality of detector sets arranged around the scanning area in a non-enclosed structure opened on one side of the scanning area, where the opening of the non-enclosed structure of the ray source assembly is opposite to the opening of the non-enclosed structure of the detector assembly, the plurality of detector sets are fixed in a same plane perpendicular to the conveying direction of the object under inspection, and the plurality of ray source modules of the ray source assembly are arranged in a plurality of different planes perpendicular to the conveying direction of the object under inspection.

Abstract: The embodiments of the present disclosure provide a method, an Internet of Things system, and a storage medium for adjustment of pipeline network inspection based on a smart gas geographic information system (GIS). The method comprises: obtaining gas monitoring data and inspection features of at least one inspection unit; determining at least one gas inspection area by dividing a gas pipeline network map of the smart gas GIS and obtaining an inspection result of the at least one gas inspection area; predicting a first abnormality possibility by a first prediction model; predicting a second abnormality possibility by a second prediction model; determining reliability of the inspection result based on a consistency between the first and the second abnormality possibilities; determining updated inspection features by updating the inspection features based on the reliability of the inspection result; and determining an updated gas inspection area based on the updated inspection features.

Abstract: The present invention provides a method for reasonably adjusting an end-of-discharge voltage of a lithium battery with attenuation of a battery life. The method includes: acquiring an end-of-charge voltage, an end-of-discharge voltage and a rated capacity based on a basic parameter table for a lithium battery, then setting a safety end-of-charge voltage and a safety end-of-discharge voltage to obtain an initial safety discharge capacity, and finally setting a preset discharge capacity of the battery; using an Ampere-hour integration method to estimate a discharged power, taking the preset discharge capacity as a discharge standard, and stopping discharge when the discharged power reaches the preset discharge capacity; and the safety discharge capacity being gradually less than the preset discharge capacity within a battery life cycle, and the battery stopping discharge when the voltage reaches the safety end-of-discharge voltage.

Abstract: A preparation method comprises the following steps: (1) in a protective atmosphere, mixing a graphite powder with a metal peroxide and/or alkali metal superoxide, and leaving same to stand to obtain a mixed graphite-metal peroxide and/or graphite-alkali metal superoxide composite material; (2) putting the composite material prepared in step (1) into a liquid medium, which can react with the metal peroxide and/or the alkali metal superoxide, for a reaction to obtain intercalated graphite; and (3) heating the intercalated graphite prepared in step (2) to prepare the expanded graphite. The preparation method can effectively avoid the generation of harmful impurities such as sulfur and sulfides during the preparation process of the expanded graphite, thereby reducing environmental pollution.

Abstract: Sample analyzers and a method for controlling the sample analyzer are provided. The sample analyzer includes a reaction device, a detection device, a processor and a display. The reaction device is configured to obtain a reaction product. Multiple types of emitting lights are emitted after the irradiation light from the detection device irradiates the reaction product. An optical signal acquisition component is configured to acquire, in each light acquiring period, optical signals corresponding to a detection wavelength and at least one wavelength other than the detection wavelength for at least one type of emitting light. The processor is configured to calculate, for the at least one type of emitting light, optical data corresponding to the detection wavelength and the at least one wavelength other than the detection wavelength in each light acquiring period. The display is configured to display the optical data in multiple light acquiring periods.

Abstract: A Lactobacillus paracasei and uses thereof. The Lactobacillus paracasei has a deposit number of CGMCC No. 14813. The Lactobacillus paracasei can be used for increasing the amount of an organic acid in a raw material. The Lactobacillus paracasei can be used for fermenting the raw material, where the raw material can be selected from at least one of fruits, which can increase the content of the organic acid in a fermented product.

Abstract: Provided are a molecular sieve catalyst, a preparation method therefor, an application thereof. The molecular sieve catalyst contains a modified Na-MOR molecular sieve, and the modification comprises: organic ammonium salt exchange, dealumination treatment, and ammonium ion exchange. The catalyst obtained by the method is used in dimethyl ether for one-step production of methyl acetate. The catalyst has high activity and stable performance, and the needs of industrial production can be satisfied.

Abstract: Disclosed are a highly adaptable viscosity-reducing polycarboxylate water reducer and its preparation method and application. The highly adaptable viscosity-reducing polycarboxylate water reducer is composed of a polymer and water, and the polymer accounts for 30-50 wt %; since the main chain of the polymer contains a hydrophobic benzene ring and hydrophilic amine, the polymer has strong rigidity and good solubility in an aqueous solution, and is rich in two adsorption groups of carboxyl group/phosphono group. The highly adaptable viscosity-reducing polycarboxylate water reducer of the present invention has excellent water-reducing and slump retention properties and is suitable for general construction projects and commercial concrete projects.

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a display region and at least one hole region located in the display region, the hole region includes a function hole and a partition region surrounding the function hole, the partition region is provided with at least one partition dam surrounding the function hole; the partition dam includes a first partition layer disposed on a base substrate and a second partition layer disposed on a side of the first partition layer away from the base substrate, at least one partition layer includes a second sub-layer and a third sub-layer disposed on a side of the second sub-layer away from the base substrate, the third sub-layer has a protrusion with respect to a sidewall of the second sub-layer, and the protrusion and the sidewall of the second sub-layer form an inwardly recessed structure.

Abstract: Provided are an inspection system and an inspection method, the inspection system includes: a carrying device (300); at least one ray source (100) each includes a separate housing (110) to define a vacuum space and target spots enclosed within the housing (110), and a detector assembly (200). The at least one ray source (100) is rotatable between a plurality of scanning positions around a rotation axis relative to the carrying device (300). The at least one ray source (100) and the detector assembly (200) may be lifted or lowered along the rotation axis relative to the carrying device (300). When the at least one ray source (100) is located at one of scanning positions relative to the carrying device (300), the at least one ray source (100) and the detector assembly (200) are lifted or lowered along the rotation axis relative to the carrying device (300) and the at least one ray source (100) emits X-rays.

Abstract: An electrical connector includes: an insulative housing having a row of slots defined by plural dividing walls thereof, and plural contacts secured in the insulative housing and each including a securing portion, a front contacting portion disposed in a corresponding slot, and a rear tail, wherein the plurality of dividing walls includes a group of first dividing walls each having a first length and a group of second dividing walls each having a second length along a front-to-back direction, and the first length is shorter than the second length to expose to air a larger extent of the front contacting portions of associated contacts disposed in the slots defined by the group of first dividing walls with respect to the front contacting portions of associated contacts disposed in the slots defined by the group of second dividing walls.

Abstract: An apparatus is configured according to a transformer based step down topology is provided. The apparatus includes a first transformer that transfers energy from a primary side of the first transformer to a secondary side of the first transformer for driving a load at the secondary side. The apparatus includes a first inductor and a second inductor electrically coupled at the secondary side. The apparatus includes a primary side directional conducting element and a secondary side directional conducting element configured to perform a first phase of transferring the energy through the first inductor and a second phase of transferring the energy through the second inductor. The first inductor induces the second inductor to transfer energy during the first phase and the second inductor induces the first inductor to transfer energy during the second phase.

Abstract: An aluminum borate whisker reinforced and toughened non-metallic matrix composite is provided, which specifically includes a non-metallic material reinforced and toughened with aluminum borate whiskers. The composite exhibits a higher bending strength and fracture toughness and a higher wear resistance. A method for preparing the composite is also provided. The method includes mixing the aluminum borate whiskers and the non-metallic material to form a mixture; and sintering the mixture by a vacuum hot press method, or molding the mixture.

Abstract: This application provides a virtual gift display method. The method includes: receiving virtual gift information, where the virtual gift information includes a given target virtual gift and a giving quantity of target virtual gifts; obtaining at least two gift pictures corresponding to the target virtual gift from a gift picture material library; splicing the at least two obtained gift pictures based on the giving quantity of target virtual gifts and a preset splicing rule, to obtain a bullet-screen comment picture; and displaying the bullet-screen comment picture in a bullet-screen comment area. In this way, a virtual gift given by a user can be displayed by using a bullet-screen comment function built in a live room, without a need to redevelop a virtual gift display function, to greatly reduce development costs and development time. In addition, a bullet-screen comment and a gift giving function may be combined, to improve user experience.

Abstract: Disclosed is a method for identifying fragile lines in power grid based on electrical betweenness, which comprises the following steps: constructing the power grid into a network diagram, sequentially removing lines in the network diagram, and sorting the electrical betweenness of each line from large to small; constructing a nonlinear model of complex network cascade failure considering overload and weighted edges, and respectively performing two ways of removing lines for sorted electrical betweenness, namely sequentially removing preset proportion lines and sequentially removing all lines until no new lines are removed in the network diagram; obtaining a change of generator-load power before and after each line removal, and evaluating a severity of power grid failure based on the change of generator-load power, thus completing an identification of power grid fragile lines.

Abstract: An inspection system, including: at least one ray source rotatable between at least two scanning positions around a rotation axis, and a rotation angle of at least one ray source between two adjacent scanning positions is greater than an angle of adjacent target spots of each ray source relative to the rotation axis; a detector assembly, and a conveying device configured to carry an object to be inspected. At least one ray source and the detector assembly are movable in a traveling direction relative to the conveying device, so that the object to be inspected may enter an inspection region. When at least one ray source is located at one scanning positions, at least one ray source and the detector assembly move in the traveling direction relative to the conveying device and at least one ray source emits X-rays; after moving a predetermined distance, at least one ray source rotates around the rotation axis to another scanning position.

Abstract: Disclosed herein are novel compounds for treating apicomplexan parasite related disorders, methods for their use; cell line and non-human animal models of the dormant parasite phenotype and methods for their use in identifying new drugs to treat apicomplexan parasite related disorders, and biomarkers to identify disease due to the parasite and its response to treatment.