Abstract: A photosensitive DNA polymerase, use method and use thereof, relate to the technical field of enzyme engineering, and address the technical problems of providing a protein and converting same into the photosensitive DNA polymerase. The protein has the amino acid sequence set forth in SEQ ID NO: 3, where X is pAzF, an amino group of the pAzF is linked via a peptide bond to a carboxyl group of lysine at position 4 in SEQ ID NO: 3, and a carboxyl group of the pAzF is linked via a peptide bond to an amino group of histidine at position 5 in SEQ ID NO: 3.

Abstract: The battery includes a battery cell and a separation member. Along a first direction, the separation member is provided on one side of the battery cell, and the separation member is configured to separate the battery cell from other components adjacent to the battery cell. Along the first direction, the housing has a first wall facing the separation member. The first wall has a first body portion and a first thickened portion arranged along a second direction, a thickness of the first thickened portion is greater than a thickness of the first body portion. Along the second direction, the first thickened portion is located on one side of the separation member, and along the first direction, the first thickened portion protrudes toward the separation member relative to the first body portion and is configured to restrict the displacement of the separation member along the second direction.

Abstract: A battery cell comprises a casing, a first electrode terminal, an electrode assembly, a first insulating member and a second insulating member. The casing comprises a first wall, and the first electrode terminal is insulated from and arranged on the first wall; the electrode assembly is arranged in the casing, the electrode assembly comprising a main body part and a first tab; the main body part is flat, and the main body part is provided with a first end surface facing the first wall; the first tab is arranged on the first end surface, and the first tab is electrically connected to the first electrode terminal; the first insulating member and the second insulating member are arranged in the casing, and in the thickness direction of the main body part, the first tab is located between the first insulating member and the second insulating member.

Abstract: A battery cell, a battery, and a power consuming apparatus. The battery cell includes: a shell, where a first wall of the shell is provided with an electrode leading-out hole; an electrode assembly, arranged in the shell, where the electrode assembly is provided with an electrode connecting member; and an electrode terminal, including a body and a terminal post protruding from one side of the body, where the terminal post penetrates through the electrode leading-out hole, and the body is arranged in the shell and is electrically connected to the electrode connecting member. The body has a first side surface (231a) and a second side surface (231b) arranged opposite to each other along a first direction. A distance between the first side surface and the terminal post is greater than a distance between the second side surface and the terminal post.

Abstract: A tissue processor includes first and second retorts; reagent bottles fluidly coupled with the first and second retorts; infiltrating baths fluidly coupled with first and second retorts; a pressure generating assembly providing positive or negative pressure in at least one of the first and second retorts, to draw or drain reagent or infiltrating material into or from the respective retort; and a rotary valve fluidly coupling first and second retorts with the reagent bottles, and selectively communicating one of the reagent bottles with the first and second retorts. The tissue processor further includes first and second trap bottles, the first trap bottle is fluidly coupled between the first retort and the pressure generating assembly, the second trap bottle is fluidly coupled between the second retort and the pressure generating assembly, the first and second trap bottles condense reagent vapor or infiltrating material vapor from the first and second retorts, respectively.

Abstract: A battery cell includes: an end cap assembly, including an electrode terminal; a housing, on which an opening is created, where the end cap assembly seals the opening; an electrode assembly, disposed in the housing, where the electrode assembly includes a tab; an adapter component, connected between the tab and the electrode terminal, where the adapter component includes a first connecting region configured to be connected to the electrode terminal, a second connecting region configured to be connected to the tab, a transitional connecting region located between the first connecting region and the second connecting region, and an embossed region including a plurality of friction bulges; and an insulation piece, covering at least a part of the transitional connecting region. The first connecting region is located inside the embossed region.

Abstract: A battery cell, a battery, and an electric apparatus. The battery cell includes a housing, a pressure relief mechanism, and a first shielding member. The housing has a wall portion, and along a thickness direction of the wall portion, the wall portion has a first surface facing away from an interior of the housing, the first surface is provided with a groove, and a groove bottom surface of the groove is provided with a pressure relief hole. The pressure relief mechanism is disposed in the pressure relief hole, and the pressure relief mechanism is configured to release an internal pressure of the battery cell. The first shielding member is connected to the first surface and covers the groove.

Abstract: Disclosed are a battery cell, a battery, and an electric device. The battery cell includes an electrode assembly, a positive electrode lead-out portion, a positive electrode connecting assembly, a negative electrode lead-out portion, and a negative electrode connecting assembly; the positive electrode connecting assembly is connected to a positive plate and the positive electrode lead-out portion; the negative electrode connecting assembly is electrically connected to a negative plate and the negative electrode lead-out portion; a minimum current-carrying cross-sectional area of the positive electrode connecting assembly is smaller than a current-carrying cross-sectional area of the positive electrode lead-out portion, a melting point of the positive electrode connecting assembly is smaller than a melting point of the negative electrode connecting assembly, and the minimum current-carrying cross-sectional area of the positive electrode connecting assembly is A1, with a unit of mm2.

Abstract: The present disclosure relates to a method and an apparatus for controlling a multi-module water chilling unit. The multi-module water chilling unit comprises at least two modules, and each module is provided with a chilled-water inlet and a corresponding chilled-water outlet, and each module is provided with a compressor, and chilled water output from each module is converged in a main pipe through a corresponding compressor. The method comprises: obtaining a difference between an actual outlet water temperature and a target outlet water temperature of the main pipe; obtaining current operating states of the compressors of the modules; determining a target control strategy for the modules according to the difference and the current operating states; and controlling the modules to operate according to the target control strategy.

Abstract: A battery cell includes: an end cap assembly, including an electrode terminal; a housing, on which an opening is created, where the end cap assembly seals the opening; an electrode assembly, disposed in the housing, where the electrode assembly includes a tab; an adapter component, connected between the tab and the electrode terminal, where the adapter component includes a first connecting region configured to be connected to the electrode terminal, a second connecting region configured to be connected to the tab, and a transitional connecting region located between the first connecting region and the second connecting region; and an insulation piece, covering at least a part of the transitional connecting region.

Abstract: Battery cell includes housing including wall portion with accommodating groove provided at outer surface thereof and extending along first direction. Bottom wall of the accommodating groove has first through hole. The battery cell further includes gas-permeable assembly at least partially disposed in the accommodating groove and spaced apart from the bottom wall of the accommodating groove, and including fixing member connected to the wall portion and provided with second through hole extending along the first direction, and gas-permeable film including covering portion and connecting portion disposed around the covering portion. The covering portion covers the second through hole along the first direction and is configured to discharge gas inside the battery cell. The connecting portion is connected to the fixing member. The battery cell also includes support member, at least partially clamped between the bottom wall of the accommodating groove and the connecting portion.

Abstract: A method of incorporating a bloom filter (BF) into cost-based bottom-up query optimization includes: receiving a query including a request to join at least two data tables that include a first data table and a second data table; generating, in response to the request, at least two query plans that includes a first query plan including subplans to: create the BF based on the second data table, apply the BF to the first data table for filtering data of the first data table before the first data table is joined with another data table, and join the first data table with the another data table; submitting the at least two query plans to a cost-based bottom-up optimizer to obtain a target query plan; and providing, as a response to the received query, a set of data that is retrieved from a data retrieval system by executing the target query plan.

Abstract: The present disclosure provides a variable frequency drive cooling device, a cooling method, and an air conditioning apparatus.

Abstract: A manufacturing method of carbon fiber profiled bodies for aerospace, aviation and fire fighting is provided, relating to the technical field of carbon fiber preparation, and including the following steps: uniformly winding carbon fiber cloth around an exterior of a core mould and opening a liquid drainage hole; heating a carbon fiber shell, melting the core mould, and discharging a melted liquid of the core mould through the liquid drainage hole; allowing a non-stressed wall of the carbon fiber shell to be in contact with liquid nitrogen and prefabricating a layer of molten metal liquid on a stressed wall of the carbon fiber shell.

Abstract: The present application discloses an integrated structure of MOS transistors having different working voltages. A second spacer of a second MOS transistor having a middle second working voltage is formed by adding a third sub-spacer on the basis of a first spacer of a first MOS transistor having a relatively low first working voltage, and the first spacer is formed by stacking a first sub-spacer and a second sub-spacer. The thickness of the second spacer is adjusted via the third sub-spacer, so as to ensure that a GIDL leakage of the second MOS transistor under the second working voltage satisfies a requirement. The present application also discloses a method for manufacturing an integrated structure of MOS transistors having different working voltages.

Abstract: A circuit board includes a substrate, a processor socket, at least one dynamic random access memory socket, at least one peripheral component interconnect express socket, and a first connection socket. The first connection socket is provided on the substrate and is configured to electrically connect an extending circuit board. The circuit board is suitable for the first-type chassis specification. An assembly of the circuit board and the extending circuit board connected to each other and arranged on a same plane is suitable for a second-type chassis specification.

Abstract: Provided are a pressure relief component, a battery cell, a battery, and an electrical device. The pressure relief component is configured for a battery cell. The pressure relief component includes a nick groove. At least two protrusions are arranged within the region enclosed by the nick groove, wherein the protrusions protrude from one side of the pressure relief component in a thickness direction, and the protrusions are recessed on the other side of the pressure relief component in the thickness direction.