Abstract: Disclosed is a method for vacuum electron beam welding of twinning-induced plasticity (TWIP) steel and use thereof. The welding method according to the present disclosure includes preheating welding, tack welding, and deep penetration welding. The method according to the present disclosure can achieve welding stability, a uniform butt joint width, small splash and full arc ending, and ensure that the internal quality of a welded joint meets requirements for an ISO13919-1 grade B butt joint, and the plasticity and tensile strength of the welded joint are equivalent to those of a base metal, thereby ensuring that the welded joint has a high energy-absorbing buffering function equivalent to that of a base metal. A vehicle anti-collision beam manufactured after welding and a vehicle energy-absorbing buffer component assembled by using the anti-collision beam have the advantages of light structure, high safety protection, etc.

Abstract: Disclosed are a special tooling and method for electron beam welding of a cavity body and a beam tube of a superconducting niobium cavity. The special tooling includes a first clamping device for fixing a flange and a second clamping device for fixing a semi-cavity body, wherein the first clamping device and the second clamping device are fixedly connected. A pressing ring of the first clamping device is disposed around a beam tube of a superconducting niobium cavity and cooperates with a base plate to clamp and fix the flange. The second clamping device includes clamping arms evenly distributed along a circumference of the semi-cavity body, and each clamping arm includes a second pressing plate axially disposed along the beam tube and a pressing block that is disposed on an end portion of the second pressing plate and fixes an edge of the semi-cavity body.

Abstract: An elastic cushion is provided in the disclosure, which includes a first elastic body, a second elastic body and a sleeve body. The second elastic body is embedded or fused in the first elastic body, and the sleeve body wraps outside the first elastic body. The second elastic body includes a wear resistant sleeve with a plurality of accommodating cavities and a plurality of elastic monomers arranged in the accommodating cavities in one-to-one correspondence. The plurality of accommodating cavities of the wear resistant sleeve are arranged independently of each other. Softness of the first elastomer is greater than that of the second elastomer, and elasticity of the second elastomer is greater than that of the first elastomer. The elastic cushion according to the disclosure can be uniformly stressed, with excellent comfort and a good rebound force.

Abstract: Described are a method for suppressing overshoot of an output voltage or output current, a charging device, and a medium. The method for suppressing the overshoot of the output voltage or output current includes the following. A loop in an open-loop state in a closed-loop control circuit is determined. A wave-sending control value output by the closed-loop control circuit at a present beat is obtained. The wave-sending control value output at the present beat is assigned to an open-loop output value at the present beat, where the open-loop output value is an output value of the loop in the open-loop state. An open-loop output value of a loop in the open-loop state at a next beat is calculated by using an assigned open-loop output value at the present beat.

Abstract: A method for identifying a pore and a fracture based on a two-dimensional (2D) scan image of a core includes: scanning a core to acquire an initial 2D image of the core; filtering the initial 2D image of the core to acquire a first 2D image of the core; segmenting the first 2D image of the core to acquire a second 2D image of the core; extracting center coordinates of all pixel points in each void space to acquire a centroid of the void space, and establishing a pore-fracture identification function of the void space; identifying the void space as a fracture if a value of the pore-fracture identification function is greater than a preset characterization value; and identifying the void space as a pore if the value of the pore-fracture identification function is not greater than the preset characterization value.

Abstract: The present disclosure provides use of a histone deubiquitinase in preparing a drug for preventing aging and treating aging-related diseases and relates to the technical field of biological medicines. The histone H2A deubiquitinase MYSM1 has a nucleotide sequence shown as SEQ ID NO. 1. It is verified that MYSM1 protein deficiency causes significant aging of mice and induces the aging-related diseases; and the MYSM1 can promote DNA injury repair, prevent cellular senescence and suppress chronic inflammation. Proved by a result of using an adeno-associated virus expressing mouse-derived MYSM1 as a gene therapy, the MYSM1 may remarkably prolong the lifespan of the mice, reduce the process and the number of senescent cells, improve normal functions of tissues and organs, reduce occurrence and development of the aging-related diseases, which proves that the MYSM1 has a good application prospect in delaying aging and treating the aging-related diseases.

Abstract: A classified characterization method for connectivity of organic matter (OM)-hosted pores in shale includes: scanning a shale sample according to a preset imaging area through a scanning electron microscope to acquire a 2D image of the shale sample; extracting pore parameters of each OM in the 2D image by Avizo software; acquiring a class number of OM sets according to the pore parameters; performing 3D reconstruction on each class of OM sets through a focused ion beam-helium ion microscope to acquire reconstructed 3D models of the OM; acquiring a pore connectivity parameter by the Avizo software; and acquiring an evaluation index for overall connectivity of the OM-hosted pores in the shale based on the pore connectivity parameter. The classified characterization method is based on the morphologically quantitative classification of the OM-hosted pores, and can realize the 3D characterization of connectivity of pores below 10 nm.

Abstract: Embodiments of the present disclosure disclose an event execution method, device, and system. The method includes: obtaining first event result information obtained by executing a first event by a first application client logged in on a mobile terminal by using a first account, the first event result information indicating an account resource to be deducted; displaying the first event result information on a screen of a processing device; and requesting to execute a second event by using the processing device, the second event being used for deducting an amount of resource from a second account associated with the first account.

Abstract: The present disclosure belongs to the field of petroleum exploration and development and, in particular, relates to a system and a method for analyzing while-drilling rock fragments in oil and gas field. The system includes a sample preparation mold and a sample scanning apparatus; the mold is configured to quickly batch prepare fragments into scanning ready samples; the apparatus is portable and configured for batch scanning and analyzing the samples, and having the capabilities of anti-vibration, temperature control, dust prevention, and adaptability to a harsh well site environment; the method includes a scanning step where surface images, elements and mineral types of rock can be rapidly quantitatively analyzed, and lithologies thereof can be identified; the method also includes the analysis step in which rock's elastic parameters and target zone of the vertical well are determined, and geosteering and design of staged fracturing of horizontal well can be provided.

Abstract: The present application discloses an application of OsAO gene for improving rice resistance to rice stripe disease, rice black-streaked dwarf disease or other rice or corn virus diseases caused by homologous virus of rice black-streaked dwarf virus. The present application also provides an application of OsAO gene, the protein encoded by the gene or a recombinant vector containing the gene in regulating plant resistance to rice stripe disease, rice black-streaked dwarf disease or other rice and corn virus diseases caused by homologous virus of rice black-streaked dwarf virus, said protein has the amino acid sequence as shown in Seq 4. The experiment proved that the plant disease resistance is increased in rice overexpressing OsAO gene, indicating that the OsAO protein encoded by this gene plays an important role in rice resistance to rice stripe disease and rice black-streaked dwarf disease.

Abstract: Embodiments of the present disclosure disclose an event execution method, device, and system. The method includes: obtaining first event result information obtained by executing a first event by a first application client logged in on a mobile terminal by using a first account, the first event result information indicating an account resource to be deducted; displaying the first event result information on a screen of a processing device; and requesting to execute a second event by using the processing device, the second event being used for deducting an amount of resource from a second account associated with the first account.

Abstract: An event execution method includes executing a first event by a first application client logged in on a mobile terminal of a user by using a first account of the user to obtain first event result information, the first event result information indicating an account resource to be deducted, displaying the first event result information on a screen of a processing device, and requesting to execute a second event by using the processing device, the second event being to deduct an amount of resource from a second account associated with the first account.

Abstract: A cushion includes a cushion core, adopting blasted sponge, and the cushion core comprising a main bearing area and an auxiliary bearing area; an outer cover layer, wrapping an outer layer of the cushion core, and the outer cover layer adopting a fiber material which is of a reticular structure; and a reinforcing skeleton comprising a plurality of bone bridges, and each bone bridge comprising an arch base and an arch bridge. For each bone bridge, the arch base is located at two side-by-side corners of one side of the cushion core, and is close to one side of the main bearing area; one end of the arch bridge is connected to the arch base, and the other end of the arch bridge extends to a diagonal opposite corner of the other side of the cushion core, and is close to one side of the auxiliary bearing area.

Abstract: The present application discloses an application of OsAO gene for improving rice resistance to rice stripe disease, rice black-streaked dwarf disease or other rice or corn virus diseases caused by homologous virus of rice black-streaked dwarf virus. The present application also provides an application of OsAO gene, the protein encoded by the gene or a recombinant vector containing the gene in regulating plant resistance to rice stripe disease, rice black-streaked dwarf disease or other rice and corn virus diseases caused by homologous virus of rice black-streaked dwarf virus, said protein has the amino acid sequence as shown in Seq 4. The experiment proved that the plant disease resistance is increased in rice overexpressing OsAO gene, indicating that the OsAO protein encoded by this gene plays an important role in rice resistance to rice stripe disease and rice black-streaked dwarf disease.

Abstract: The present disclosure belongs to the field of petroleum exploration and development and, in particular, relates to a system and a method for analyzing while-drilling rock fragments in oil and gas field. The system includes a sample preparation mold and a sample scanning apparatus; the mold is configured to quickly batch prepare fragments into scanning ready samples; the apparatus is portable and configured for batch scanning and analyzing the samples, and having the capabilities of anti-vibration, temperature control, dust prevention, and adaptability to a harsh well site environment; the method includes a scanning step where surface images, elements and mineral types of rock can be rapidly quantitatively analyzed, and lithologies thereof can be identified; the method also includes the analysis step in which rock's elastic parameters and target zone of the vertical well are determined, and geosteering and design of staged fracturing of horizontal well can be provided.

Abstract: A micro-circulation breathable cushion includes a cushion cover and a cushion core. The cushion core includes a breathable layer. At least one micro-circulation layer is disposed at a lower part of the breathable layer. The micro-circulation layer is connected to the breathable layer. The cushion cover wraps the cushion core, the breathable layer and the micro-circulation layer of the cushion core may be fixed together by glue or other manners, and may also be laminated together, thereby facilitating the replacement of different numbers of micro-circulation layers. The breathable layer may be directly washed, and an air micro-circulation is formed through an internal structure. An air micro-circulation may be likewise formed through an internal structure of the layer, and the breathable layer and the micro-circulation layer may co-form an air micro-circulation, thus increasing the breathability of the cushion core.

Abstract: An electronic business card information exchange method and device are provided in the present invention. The electronic business card exchange is achieved by way of by way of receiving by a first terminal in a power-off state an induced electric energy provided by a second terminal, sending by the first terminal the first electronic business card information stored locally to the second terminal under the driving of the induced electric energy, then receiving and storing second electronic business card information written by the second terminal. The technical problem in the prior art that the electronic business card information exchange can not be achieved when one of two terminals is in a power-off state is solved.

Abstract: Embodiments of the present disclosure disclose an event execution method, device, and system. The method includes: obtaining first event result information obtained by executing a first event by a first application client logged in on a mobile terminal by using a first account, the first event result information indicating an account resource to be deducted; displaying the first event result information on a screen of a processing device; and requesting to execute a second event by using the processing device, the second event being used for deducting an amount of resource from a second account associated with the first account.

Abstract: The present invention discloses a cushion, which includes: a cushion core adopting blasted sponge, the blasted sponge is 20 g/cm3 to 35 g/cm3 in density and 10 ppi to 60 ppi in pore diameter; and an outer cover layer wrapping the outer layer of the cushion core; and the outer cover layer adopts a fiber material which is of a reticular structure. The novel cushion designed by the present invention, which adopts the blasted sponge structure that is 20 g/cm3 to 35 g/cm3 in density and 10 ppi to 60 ppi in pore diameter, is convenient to wash directly with water and has super air permeability.