Abstract: The present application discloses an explosion-proof structure and a battery. The explosion-proof structure includes a cover plate, and an explosion-proof groove is provided on the cover plate. The explosion-proof groove includes a first sub-groove and a second sub-groove, a projection of the first sub-groove and a projection of the second sub-groove on a side of the cover plate encloses a closed ring, and a thickness of the cover plate at the position where the first sub-groove is located is less than a thickness of the cover plate at the position where the second sub-groove is located. The present application improves the reliability of the cover plate and ensures the explosion-proof effect.

Abstract: A battery explosion-proof structure, a battery, and a battery pack are provided. The battery explosion-proof structure includes a cover plate provided with a first score and a second score. A thickness of the cover plate at the first score is less than a thickness of the cover plate at the second score. The first score includes a first segment and a second segment connected together. The first segment includes a first end and a second end. The second segment includes a third end and a fourth end. A distance between the first end and the third end is greater than a distance between the second end and the fourth end.

Abstract: An explosion-proof structure, a battery, and a battery pack are provided. The explosion-proof structure includes a cover plate and an explosion-proof groove including a first sub-groove and a second sub-groove. H1<H2, in which H1 denotes a thickness of a part of the cover plate where the first sub-groove is located, and H2 denotes a thickness of a part of the cover plate where the second sub-groove is located. The part of the cover plate where the first sub-groove is located is opened under a first pressure denoted by P1, and the part of the cover plate where the second sub-groove is located is opened under a second pressure denoted by P2, in which the first pressure satisfies 0.5 Mpa<P1<1.5 Mpa; and the second pressure satisfies 1.5 Mpa?P2<2.5 Mpa.

Abstract: Example communication methods and systems based on a user-mode protocol stack are provided. One example method is applied to a service side, where the service side includes an application layer, the user-mode protocol stack, and a hardware layer. A target application of the application layer corresponds to at least one W thread. The example method includes obtaining, by using a routing module, a first correspondence and a second correspondence, where the first correspondence includes a correspondence between a listen file descriptor (FD) of a first W thread and a plurality of shadow FDs, and the second correspondence includes a correspondence between a target N thread and a connection FD. Communication with a client is performed using the routing module based on the first correspondence and the second correspondence.

Abstract: The present application relates to battery technology and discloses a battery current collector plate and a battery. The battery current collector plate includes a tab connection portion, a terminal connection portion, and a fuse. The tab connection portion represents an annular structure. The terminal connection portion is disposed at the center of the tab connection portion. An annular gap is formed between a circumferential edge of the terminal connection portion and an inner circumferential edge of the tab connection portion. Two ends of the fuse are respectively connected to the circumferential edge of the terminal connection portion and the inner circumferential edge of the tab connection portion.

Abstract: Methods are provided for modulating MRGPR X2 generally, or for treating a MRGPR X2 or a MRGPR X2 ortholog dependent condition, more specifically, by contacting the MRGPR X2 or the MRGPR X2 ortholog by administering to a subject in need thereof, respectively, an effective amount of a compound having structure (I): or a pharmaceutically acceptable salt, isomer, hydrate, solvate or isotope thereof, wherein W, Z, R1, R2, R3, R4, R5, R6 and Rx are as defined herein. Pharmaceutical compositions containing such compounds, as well as the compounds themselves, are also provided.

Abstract: The present application relates to a battery cover plate, a battery, and a powered device. The battery cover plate provided includes a cover plate body and a blockage member, where the cover plate body is provided with a vent hole which is configured to release gas during the battery formation; the blockage member can be arranged on the vent hole in a sealing manner for blockage of the vent hole, such that electrolyte injected into the battery is prevented from volatilizing through the vent hole; and the blockage member can also be torn open under the action of negative pressure to open the vent hole so as to normally release the gas in the battery, such that the vent hole can be opened without manually operating the blockage member.

Abstract: A current collector disk and a battery. The current collector disk includes a disk body on which a plurality of infiltration holes is provided. The infiltration holes penetrate through the disk body in a direction of a thickness of the disk body. The disk body has a first side surface and a second side surface which are oppositely disposed. The first side surface is recessed with a plurality of grooves. At least one end of each of the plurality of grooves communicates with a respective one of the plurality of infiltration holes. The battery includes the current collector disk described above.

Abstract: Provided are an assembled structure of a pole and a pole current collector disk. The assembled structure includes a positive pole, a positive current collector disk, a first insulating member and a second insulating member, where the second insulating member is disposed between the positive current collector disk and the first insulating member. The positive pole includes a conductive end and a connection end, the conductive end and the connection end are connected through the connection rod. The connection rod sequentially penetrates through the first insulating member and the second insulating member, the first insulating member is closer to the conductive end than the second insulating member, and an accommodating space is formed between the first insulating member and the second insulating member. The positive current collector disk includes a welding disk and a conductive protrusion.

Abstract: Methods are provided for modulating MRGPRX2 generally, or for treating a MRGPRX2 dependent condition more specifically, by contacting the MRGPRX2 or administering to a subject in need thereof, respectively, an effective amount of a compound having structure (I): or a pharmaceutically acceptable salt, isomer, hydrate, solvate or isotope thereof, wherein A, B, C, D, E, G, W, Y, Z, R1, R2, R3, R4, R5, R6, R7 and R8 are as defined herein. Pharmaceutical compositions containing such compounds, as well as the compounds themselves, are also provided.

Abstract: Methods are provided for modulating MRGPRX2 generally, or for treating a MRGPRX2 or a MRGPRX2 ortholog dependent condition, more specifically, by contacting the MRGPRX2 or the MRGPRX2 ortholog by administering to a subject in need thereof, respectively, an effective amount of a compound having structure (I): or a pharmaceutically acceptable salt, isomer, hydrate, solvate or isotope thereof, wherein W, Z, R1, R2, R3, R4, R5, R6 and Rx are as defined herein. Pharmaceutical compositions containing such compounds, as well as the compounds themselves, are also provided.

Abstract: Provided are an assembled structure of a pole and a pole current collector disk. The assembled structure includes a positive pole, a positive current collector disk, a first insulating member and a second insulating member, where the second insulating member is disposed between the positive current collector disk and the first insulating member. The positive pole includes a conductive end and a connection end, the conductive end and the connection end are connected through the connection rod. The connection rod sequentially penetrates through the first insulating member and the second insulating member, the first insulating member is closer to the conductive end than the second insulating member, and an accommodating space is formed between the first insulating member and the second insulating member. The positive current collector disk includes a welding disk and a conductive protrusion.

Abstract: An explosion-proof valve, a cover plate of a battery and a battery are provided. The explosion-proof valve includes an annular groove, and the annular groove divides the explosion-proof valve into a rupture portion and a fixed portion. A pressure-bearing groove that is arc-shaped is recessedly provided on one side of the rupture portion. A bottom of the pressure-bearing groove is located within the annular groove.

Abstract: Methods are provided for modulating MRGPRX2 generally, or for treating a MRGPRX2 or a MRGPRX2 ortholog dependent condition, more specifically, by contacting the MRGPRX2 or the MRGPRX2 ortholog by administering to a subject in need thereof, respectively, an effective amount of a compound having structure (I): or a pharmaceutically acceptable salt, isomer, hydrate, solvate or isotope thereof, wherein W, Z, R1, R2, R3, R4, R5, R6 and Rx are as defined herein. Pharmaceutical compositions containing such compounds, as well as the compounds themselves, are also provided.

Abstract: Methods are provided for modulating MRGPRX2 generally, or for treating a MRGPRX2 or a MRGPRX2 ortholog dependent condition, more specifically, by contacting the MRGPRX2 or the MRGPRX2 ortholog by administering to a subject in need thereof, respectively, an effective amount of a compound having structure (I): or a pharmaceutically acceptable salt, isomer, hydrate, solvate or isotope thereof, wherein W, Z, R1, R2, R3, R4, R5, R6 and Rx are as defined herein. Pharmaceutical compositions containing such compounds, as well as the compounds themselves, are also provided.

Abstract: Methods are provided for modulating MRGPR X2 generally, or for treating a MRGPR X2 dependent condition more specifically, by contacting the MRGPR X2 or administering to a subject in need thereof, respectively, an effective amount of a compound having structure (I): or a pharmaceutically acceptable salt, isomer, hydrate, solvate or isotope thereof, wherein W, Z, R1, R2, R3, R4, R5, R6 and Rx are as defined herein. Pharmaceutical compositions containing such compounds, as well as the compounds themselves, are also provided.

Abstract: Methods are provided for modulating MRGPR X2 generally, or for treating a MRGPR X2 or a MRGPR X2 ortholog dependent condition, more specifically, by contacting the MRGPR X2 or the MRGPR X2 ortholog by administering to a subject in need thereof, respectively, an effective amount of a compound having structure (I): or a pharmaceutically acceptable salt, isomer, hydrate, solvate or isotope thereof, wherein W, Z, R1, R2, R3, R4, R5, R6 and Rx are as defined herein. Pharmaceutical compositions containing such compounds, as well as the compounds themselves, are also provided.

Abstract: The present application provides a battery cover plate and a battery. The battery cover plate includes a cover plate body, a first seal, a second seal, and a sealing ring. The cover plate body is provided with a liquid injection hole, the first seal is attached to a hole wall of the liquid injection hole and is provided with a threaded hole extending along an axis direction of the liquid injection hole. The second seal includes a head and a connecting part, a diameter of the head is greater than a diameter of the connecting part, a first step surface is defined between the head and the connecting part, the connecting part is provided with an external thread threadedly connected to the threaded hole. The sealing ring is sleeved on the connecting part and located between the first step surface and an upper surface of the cover plate body.

Abstract: A cylindrical battery and a battery pack are provided in embodiments of the application, which relates to the field of battery technology. The cylindrical battery includes a housing, a first end cover, a second end cover, a battery cell, and a pole post. The battery cell is accommodated in the housing, and the first end cover and the second end cover seal at ends of the housing, respectively. The pole post is connected with the battery cell and extended through the first end cover. The pole post is cylindrical, a diameter of the pole post is ?1, and a diameter of the first end cover is ?2, wherein ?1/?2?34%, and ?1?12 mm.

Abstract: A lid plate and a battery are provided by the present application. The lid plate includes a top lid, a lower plastic and a current collecting disk. The top lid is stacked with the lower plastic. An accommodating space is defined on a side of the lower plastic away from the top lid. Supporting protrusions are provided in the accommodating space. The supporting protrusions are configured to defined a limiting space. The current collecting disk includes the current collecting disk main body and the fuse structure. The fuse structure includes a first part and a second part. The first part is electrically connected to the top lid through the lower plastic, the second part is connected to the current collecting disk main body. The current collecting disk main body is located outside the limiting space and abuts against the supporting protrusions.