Abstract: The present disclosure provides a high-speed vertical cavity surface emitting laser, an optoelectronic device with the same, and a manufacturing method thereof. The high-speed vertical cavity surface emitting laser includes a substrate layer, a first electrode layer, a first reflector layer, an active layer, an oxide-confined layer, a second reflector layer and a second electrode layer, wherein the first electrode layer is an N-type electrode layer and the second electrode layer is a P-type electrode layer. The oxidation aperture in the oxide-confined layer is drop-shaped.

Abstract: The present invention discloses a 1,4-sulfur-bridged polycyclic compound containing dihydrobenzofuran structure which has a structural formula (I). A preparation method is also disclosed which includes the steps of: dissolving 2-nitrobenzofuran (II) and 5H-thiazolone (III) in an organic solvent; then adding molecular sieve and chiral catalyst, stirring and allowing reaction at room temperature under argon protection until the reaction is completed; and carrying out separation and purification to obtain a 1,4-sulfur-bridged polycyclic compound (I) containing dihydrobenzofuran structure. The polycyclic compounds of the present invention have a substructure of dihydrobenzofuran and 1,4-thiopiperidinone. The application of the compound for the preparation of antitumor drugs is also disclosed, which has a good potential value in antitumor drug research. The preparation method has the advantages of novelty, simplicity, simple operation, mild reaction conditions, high yield and high stereoselectivity, and etc.

Abstract: Provided is a side wall window structure module of a train, the side wall window structure module comprising a window wallboard (100), supporting members shaped like the Chinese character “” and reinforcing members shaped like the Chinese character “”, and stand columns (210) and supporting cross beams (311, 312, 313, 314) using the supporting members shaped like the Chinese character “”, wherein two flanging edges of each supporting member shaped like the Chinese character “” are fixed on the inner side, facing the interior of the train, of the window wallboard (100); each reinforcing member shaped like the Chinese character “” comprises a longitudinal reinforcing member (220) and a transverse reinforcing member (320); two flanging edges of each reinforcing member shaped like the Chinese character “” are fixed to one side edge of each supporting member shaped like the Chinese character “”; and an arched high edge of each reinforcing member shaped like the Chinese character “” is fixed to the other side edge

Abstract: The present disclosure provides a nano slurry and a preparation method thereof, a battery separator and a manufacturing method thereof, and a battery. The nano slurry includes a dispersion medium, a ceramic material, a one-dimensional nanomaterial, a linear hydrophilic polymer and an adhesive, where a mass ratio of the one-dimensional nanomaterial to the ceramic material is in a range of 0.01% to 20%, and a particle diameter of the ceramic material are in a range of 5 nm to 500 nm.

Abstract: A method for producing light aromatic hydrocarbons from C9+ aromatic hydrocarbons includes a step of contacting a C9+ aromatic hydrocarbon with a dealkylation catalyst comprising a KL zeolite, and platinum and a modifying metal supported thereon in the presence of hydrogen, to obtain a light aromatic hydrocarbon. The modifying metal is selected from the group consisting of Group IIA metals and rare earth metals. By using a Pt/KL catalyst comprising a specific modifying metal in the dealkylation reaction of C9+ aromatic hydrocarbons for producing light aromatic hydrocarbons, the method shows the advantages of high conversion rate of feedstock, high yield of light aromatic hydrocarbons, good reaction selectivity.

Abstract: Provided are a coated separator, a preparation method of a coated separator, and a battery, which relates to mixing first nanofibers having similar sizes in a first coating layer and mixing second nanofibers having similar sizes in a second coating layer and setting the first coating layer to be a mixture of large-size first nanofibers and large-particle-diameter first ceramic particles and setting the second coating layer to be a mixture of small-size second nanofibers and small-particle-diameter second ceramic particles.

Abstract: A method and an apparatus for detecting a solar cell of a photovoltaic plant. The method includes: obtaining a first infrared image and a second infrared image, where the first infrared image includes infrared image information corresponding to an ambient infrared signal reflected by a to-be-detected solar cell operating in a short-circuit state, the second infrared image includes infrared image information corresponding to an infrared signal emitted by the to-be-detected solar cell operating in a first state and infrared image information corresponding to an ambient infrared signal reflected by the to-be-detected solar cell, and the first state is another state other than the short-circuit state; and detecting, based on the first infrared image and the second infrared image, whether the to-be-detected solar cell has a defect.

Abstract: An outdoor sunshade includes a sunshade post, a sunshade frame on one side of the sunshade post, a handle shell on and movable along the sunshade post, an inclined pull rod on the handle shell in a matching manner with its other end matching the sunshade frame, a sunshade cord, and a sunshade cord winding/unwinding assembly configured to wind/unwind the sunshade cord so as to unfold or fold the sunshade frame and including a first power component and a second power component that are in power transmission fit. The first power component is located in the handle shell and completes power input via a driving component. A cord winding wheel is on the second power component in a matching manner, and the second power component extends outwards in an axial direction of the inclined pull rod such that the cord winding wheel is located outside the handle shell.

Abstract: The embodiments provide a method of augmenting environmental scenes and an autonomous vehicle testing system.

Abstract: The present disclosure provides a coating for battery separator, a preparation method thereof, a battery separator and a battery, where a coating slurry of the coating for the battery separator includes a dispersion medium, a nanomaterial, and a polymer containing polar functional groups; the coating has a surface pore size of 10 nm-30 nm, and a surface roughness of 200 nm-500 nm, and the coating has a hydroxyl content of 100 mg KOH/g-4000 mg KOH/g. The coating for battery separator, the preparation method thereof, the battery separator and the battery can solve a problem of deformation of battery separators due to the induction of electrolyte solutions.

Abstract: A side beam for a battery tray is provided. The battery tray has an accommodating groove for accommodating a battery core. The side beam includes a first body and a second body. The first body includes a main portion and a supporting portion, and the supporting portion is connected to the main portion and is configured to support the battery core. The second body is fixed to the first body. The second body and the first body are separated workpieces. At least a part of the second body is located on a side of the supporting portion away from the accommodating groove.

Abstract: A display method of a work, an apparatus, an electronic device, a storage medium, and a program product are provided. The method includes: presenting a target work on a work presentation page; in response to a page switch operation triggering on the work presentation page, displaying a personal homepage of a target poster and displaying a position control on the personal homepage, wherein the target poster is a poster of the target work, and the personal homepage is configured to display work items of works posted by the target poster; and displaying a work item of the target work on the personal homepage in response to a first trigger operation triggering on the position control, wherein the position control keeps being displayed on the personal homepage before the work item of the target work is displayed.

Abstract: The present invention relates to a metal-organic hybrid lattice material and the application in the detection of radiation sources. In the invention, a water-soluble thorium salt and 2,2?:6?,2?-terpyridine-4?-carboxylic acid are subjected to a solvothermal reaction in water and an organic mixed solvent to obtain a metal-organic hybrid lattice material. The crystalline material produces radiation-induced discoloration and photoluminescence change under ultraviolet light, X-ray, ?-ray, ?-ray, and so on. The material is useful for qualitative and quantitative detection and calibration after high-dose irradiation. Compared with the traditional radiation-induced color change indicator labels, the material achieves the visual qualitative and quantitative detection and has strong radiation stability, high reuse rate, wide detection range, and good linear relationship, to solve the problem of traditional materials relying on professional optical equipment to quantify the radiation dose.

Abstract: The disclosure provides an OLED display substrate, a manufacturing method thereof, and a display device, wherein the OLED display substrate is provided with a display area and an edge area surrounding the display area, the OLED display substrate includes a back plate and a pixel-defining layer on the back plate, and a protrusion is provided on the back plate at the edge area of the OLED display substrate.

Abstract: A method for evaluating melt fragmentation in a sodium-cooled fast reactor (SFR), in which a high-order accurate particle method is adopted to discretely solve a corresponding model and calculate the melt fragmentation process in the SFR. A least-squares moving particle semi-implicit method with high-order accuracy for gradient and Laplace models is used, and a particle-shifting technique is used to maintain a more uniform particle distribution. A geometry-based free surface identification technique is adopted. An equation-of-state model is introduced to enable acquisition of more realistic physical parameters. The solid-liquid coupling model and the phase transition model are combined to carry out the high-order accurate discretization. An evaluation system is also provided.

Abstract: A cultivation method for drip irrigation of cotton fields in saline-alkali soil is provided, belonging to the field of agricultural planting technologies. It mainly includes performing land preparation; setting a planting mode; laying tubes; performing a high frequency drip irrigation; fertilizing with water; performing intertillage; performing chemical control; and performing green prevention and control.

Abstract: A method for analyzing debris bed formation based on a multi-resolution multiphase particle algorithm, which uses the least-squares moving particle semi-implicit method with second-order computational accuracy and improves surface tension model and free surface particle identification model. The method also utilizes a particle-based gas-liquid phase transition model and a particle-based liquid-solid phase transition model with multi-resolution features, such that the coolant vaporization and melt solidification processes during the falling process of the melt can be calculated. Moreover, a solid-solid collision model is coupled to calculate the collision and debris bed deformation during the falling process of the debris particles. In this way, the momentum exchange, energy transfer and phase transition between different phases are taken into account, and the computational instability caused by the large physical difference between phases is mitigated.

Abstract: A data reduction method, apparatus, and computing device and a storage medium are provided. The method includes: when reduction is to be performed on a to-be-reduced data block, obtaining a fingerprint of the to-be-reduced data block; forming an index set based on the fingerprint of the to-be-reduced data block by using index information of data blocks with identical fingerprints; and performing, in the to-be-reduced data block based on the fingerprint of the to-be-reduced data block, data reduction processing on a data block to which index information in a same index set belongs.

Abstract: A gear type pull-out table including a table frame, first and second table boards symmetrically disposed on the table frame, an extended table board, and a gear assembly, is provided. The extended table board is disposed between the first and second table boards. The gear assembly is positioned in the table frame, corresponding to the extended table board. The gear assembly includes a first toothed rack fixed to the first table board, a second toothed rack fixed to the second table board, and a gear in synchronous engagement with the first and second toothed racks. The first and second toothed racks are disposed in parallel on two sides of the gear. The first and second table boards are driven to move in opposite directions through the synchronous engagement of the first and second toothed racks and the gear to join or separate the first and second table boards.

Abstract: The present invention discloses a 1,4-sulfur-bridged polycyclic compound containing dihydrobenzofuran structure which has a structural formula (I). A preparation method is also disclosed which includes the steps of: dissolving 2-nitrobenzofuran (II) and 5H-thiazolone (III) in an organic solvent; then adding molecular sieve and chiral catalyst, stirring and allowing reaction at room temperature under argon protection until the reaction is completed; and carrying out separation and purification to obtain a 1,4-sulfur-bridged polycyclic compound (I) containing dihydrobenzofuran structure. The polycyclic compounds of the present invention have a substructure of dihydrobenzofuran and 1,4-thiopiperidinone. The application of the compound for the preparation of antitumor drugs is also disclosed, which has a good potential value in antitumor drug research. The preparation method has the advantages of novelty, simplicity, simple operation, mild reaction conditions, high yield and high stereoselectivity, and etc.