Abstract: A battery, relating to the technical field of batteries, is used for solving the technical problem that a first connector of the battery is easy to deform in a process of battery assembly and installation. The battery includes a housing, a first connector, a first adapter and a supporting block. After connecting the first connector to the housing, the supporting block is correspondingly arranged at the first connector. The supporting block is matched with an accommodating part formed by the first connector so as to provide supporting function for the first connector. The battery provided by the present application has a simple structure, and may avoid deformation of the first connector during the welding of the first adapter and the first connector of the battery.

Abstract: A battery, including a battery body, a first electrode adapter sheet and a second electrode adapter sheet; the first electrode adapter sheet and the second electrode adapter sheet are disposed spaced apart at the same end of the battery body; the first electrode adapter sheet includes a first input end and a first output end connected to the first input end; the second electrode adapter sheet includes a second input end and a second output end connected to the second input end; one of the first input end and the second input end is connected to a positive electrode of the battery body, the other of the first input end and the second input end is connected to a negative electrode of the battery body; both the first output end and the second output end extend to a direction facing away from an end face of the battery body.

Abstract: A battery and an electronic product, where the battery includes battery cell, a housing, a terminal post base and a first insulator, where the housing is provided with an accommodating cavity, and the battery cell is arranged in the accommodating cavity; the terminal post base includes a body and a terminal post, a terminal post hole is arranged on a side wall of the housing, the first insulator is arranged between the housing and the body, and a first positioning hole opposite to the terminal post hole is arranged on the first insulator, and the terminal post sequentially passes through the first positioning hole and the terminal post hole, and the terminal post is connected to a tab of the battery cell; the first insulator is further provided with a third limiting part, and an outer side wall of the housing is provided with a fourth limiting part.

Abstract: A data management method, a system, and a device are provided. An example method includes: A data storage entity receives a data access request and sends an access permission verification request to a distributed ledger node storing a data access policy of the client and/or a data access policy of the user. The distributed ledger node verifies, based on an identifier of a client and/or an identifier of a user in the access permission verification request and a distributed ledger, whether the client has data access permission, and sends a first access permission verification response to the data storage entity if the client has the data access permission, where the first access permission verification response indicates that the client has the data access permission. After receiving the first access permission verification response sent from the distributed ledger node, the data storage entity sends corresponding data to the client.

Abstract: The battery in the embodiments of the present application includes a battery body and a protective glue layer. The protective glue layer includes a first adhesive segment and a second adhesive segment that are circumferentially coated on an outer peripheral wall of the battery body, and the first adhesive segment and the second adhesive segment have a connecting notch formed therebetween in a circumferential direction of the outer peripheral wall; both a width of the first adhesive segment and a width of the second adhesive segment are less than a thickness of the battery body in a first direction, to form an exposed area; and part of the outer peripheral wall of the battery body is exposed outside the protective glue layer through the connecting notch and the exposed area.

Abstract: A drain pan and an air conditioner are provided. The drain pan includes a plastic member and a foaming member, an air outlet near the edge of the plastic member, and a water receiving sink. An air inlet is provided in the middle part of the plastic member. The water receiving sink is arranged between the air inlet and the air outlet and surrounds the air inlet. The air outlet continuously surrounds at least part of the outer edge of the water receiving sink. Multiple supporting grilles are arranged inside the air outlet. The supporting grilles are distributed at intervals in an extension direction of the air outlet. The foaming member and the plastic member at least partially overlap with each other. The foaming member avoids the air inlet and the air outlet.

Abstract: A heat exchanger sealing plate for an air conditioner, an indoor unit and an air conditioner are provided. The indoor unit includes a casing, an air guiding ring, a heat exchanger, a sealing plate and a water pump. The air guiding ring is provided in the casing. The heat exchanger has a first end and a second end, and the heat exchanger is provided in the casing and surrounds the air guiding ring. The sealing plate is provided in the casing, the sealing plate has a first connecting portion, a second connecting portion and a water pump mounting portion. The first connecting portion and the second connecting portion are connected to the heat exchanger, in order for the sealing plate to close a gap between the first end and the second end of the heat exchanger. The water pump is mounted on the water pump mounting portion.

Abstract: The present application provides a method for analyzing droplets on the basis of volume distribution including obtaining a total volume V of a sample containing target molecules based on a system prepared using the sample. The system is emulsified into droplets. A droplet system is obtained when the droplets obtaining the sample executes an amplification reaction. A droplet image of the droplet system is obtained. A total number n of droplets included in the droplet system is obtained based on the droplet image. A droplet volume distribution of the droplet system is obtained based on the droplet image. A number j of negative droplets among the n droplets is counted. A quantitative analysis is performed for the target molecules according to the total volume V of the sample, the total number n of droplets, the droplet volume distribution information, and the number j of negative droplets.

Abstract: An air conditioner includes: a housing having a fan cavity and a heat exchange cavity in communication with each other; an electric control box disposed in the housing and in communication with the heat exchange cavity and the fan cavity; an electric control disposed in the electric control box; and a fan assembly disposed in the fan cavity and configured to supply air to the heat exchange cavity and dissipate heat of the electric control box. A circulating flow path is formed inside the air conditioner, to allow an airflow in the fan cavity flowing into the heat exchange cavity to at least partially flow into the electric control box and flow back to the fan cavity through the electric control box.

Abstract: A method for analyzing droplets based on images: obtaining a working dye channel image and a reference dye channel image corresponding to a droplet system (S1); separately performing a preset image processing operation on the working dye channel image and the reference dye channel image (S2); using the working dye channel image or the reference dye channel image as a target image (S3), and determining a region in which each droplet is located from within the target image (S4); and on the basis of the determined region in which each droplet is located, analyzing the droplet system (S5). The method can effective effectively improve the accuracy of droplet analysis. Further provided are a computer device and a storage medium.

Abstract: A flow cell includes a first cover; a second cover facing the first cover, and at least two spacers provided side by side between the first cover and the second cover. The first cover, the second cover, and two adjacent spacers cooperatively form a flow path, surface of the first cover near the second cover piece forms a detection surface. A first opening is provided at an end of the flow path, which can inject a first sample into the flow path. The first sample is adsorbed on the detection surface. A second opening is provided at another end of the flow path, which can inject microdroplets into the flow path. The microdroplets include a second sample. A liquid inlet and outlet device applying flow cell and a sample analysis system are further provided.

Abstract: Provided is a PCR-free library construction and sequencing method. A PCR-free high-throughput sequencing method is provided, including the following steps: obtaining a DNA fragment of target size by performing or not performing, based on a size of a nucleic acid sample, fragmentation on the nucleic acid sample; performing end repair and an A-tailing reaction; ligating an adapter containing a barcode; obtaining DNA nanoballs by performing single-strand cyclization and rolling circle replication; and loading and sequencing.

Abstract: Provided are a hooked probe, a method for ligating a nucleic acid and a method for constructing a sequencing library. The hooked probe comprises a target specific area and a hooked area ligated thereto; the target specific area comprises a sequence complementarily paired with at least part of the single chain of the nucleic acid fragment to be ligated; the hooked area comprises a sequence unpaired with the nucleic acid fragment; the end of the hooked area is a ligatable end; and the ligatable end can ligate the end of the single chain of the nucleic acid fragment.

Abstract: A random emulsification digital absolute quantitative analysis method includes: performing random emulsification processing on a system to be emulsified to obtain several isolated reaction zones or droplets; determining the total number and volume information of the various reaction zones or droplets, the presence of target molecules to be tested in the respective reaction zones or droplets, and the number of reaction zones or droplets which do not contain the target molecules by combining acquired target images comprising image regions corresponding to the amplified reaction zones or droplets, and analyzing the target images; and accurately calculating the volume information of the various reaction zones or droplets, the presence of the target molecules to be tested in the respective reaction zones or droplets, and the number of reaction zones or droplets which do not contain the target molecules, the total number of target molecules in a sample to be tested.

Abstract: The present invention discloses an aramid-based epoxy resin and a method of making same, including the steps of reacting aramid fiber powder as a raw material with a metallization reagent; grafting a plurality of ethylene oxide, propylene oxide or a mixture thereof to an activated amide group of the aramid to introduce a reactive functional group hydroxyl; and then conducting a ring-opening and closing reaction by using epichlorohydrin to obtain a liquid aramid-based epoxy resin.

Abstract: Provided are a hooked probe, a method for ligating a nucleic acid and a method for constructing a sequencing library. The hooked probe comprises a target specific area and a hooked area ligated thereto; the target specific area comprises a sequence complementarily paired with at least part of the single chain of the nucleic acid fragment to be ligated; the hooked area comprises a sequence unpaired with the nucleic acid fragment; the end of the hooked area is a ligatable end; and the ligatable end can ligate the end of the single chain of the nucleic acid fragment.

Abstract: The present invention discloses an aramid-based epoxy resin and a method of making same, including the steps of reacting aramid fiber powder as a raw material with a metallization reagent; grafting a plurality of ethylene oxide, propylene oxide or a mixture thereof to an activated amide group of the aramid to introduce a reactive functional group hydroxyl; and then conducting a ring-opening and closing reaction by using epichlorohydrin to obtain a liquid aramid-based epoxy resin.