Abstract: Disclosed are an oxygenator and an extracorporeal membrane oxygenation device. The oxygenator includes a housing; an oxygenation chamber, arranged in the housing, and having a blood flow pipeline extend through a blood inlet and a blood outlet; a partition plate, arranged between the housing and the oxygenation chamber, the partition plate is arranged in a same direction as the upper end cover and divide the interior of the housing into a heat medium chamber and a gas chamber. The oxygenator combines the design of a heat medium chamber and a gas chamber to perform brand-new optimization design on a blood flow path, a gas pipeline and a heat medium pipeline of a membrane lung, so as to obtain the best hemodynamic performance, uniform distribution of internal flow fields and pressure fields, small flow retention zone, low blood flow resistance and high gas blood exchange efficiency and heat exchange efficiency.

Abstract: The present application relates to a battery cell and a manufacturing method and device thereof, a battery, and a power consumption apparatus, belonging to the field of battery manufacturing technologies. The battery cell includes: a shell with a first wall; an electrode assembly; and a first current collecting member, where the first wall has a first surface facing the first current collecting member, the first current collecting member has a second surface facing the first wall, one of the first surface and the second surface is provided with a protrusion and the other abuts against the protrusion to form a gap between the first wall and the first current collecting member; and the first current collecting member is provided with a first hole and a second hole, and the first hole is configured to be in communication with the second hole through the gap.

Abstract: A bulk acoustic wave resonator and a preparation method thereof, the bulk acoustic wave resonator includes a first electrode and a second electrode, and a piezoelectric film between the first and second electrodes, the piezoelectric film includes n layers of polarized piezoelectric films, and the polarities of any two adjacent layers of the polarized piezoelectric films are opposite. The acoustic mirror is disposed between the substrate and the first electrode, by preparing the polarized piezoelectric films with opposite polarities in layers, polarity inversion is achieved. The bulk acoustic wave resonator of the present disclosure can reduce the requirements for the piezoelectric film materials and increase the resonant frequency under the condition of not reducing the total thickness of the piezoelectric film or introducing a transition electrode. The process is simplified, the acoustic wave loss is reduced, and the quality factor is improved.

Abstract: A battery end cover assembly includes an end cover, a pole disposed at the end cover, and a sealing nail fixedly connected to the pole. The pole has a first through hole. The sealing nail includes a hollow structure in communication with the first through hole and an air-permeable film covering the hollow structure.

Abstract: The present invention provides a high-throughput vapor deposition apparatus and a vapor deposition method. A rotary workbench (2) is located in a reaction chamber (1); a gas introduction device (3) is located in the reaction chamber (1) and above the rotary workbench (2); a plurality of through holes (31) is provided on the gas introduction device (3); a gas isolation structure (4) divides an upper chamber (11) into an isolation gas chamber (111) and a reaction gas chamber (112) which are isolated from each other; an isolation gas is introduced into the isolation gas chamber (111) via an isolation gas introduction channel (5), and a reaction gas is introduced into the reaction gas chamber (112) via a reaction gas introduction channel (6), for carrying out thin film deposition on an area of a substrate corresponding to the reaction gas chamber (112).

Abstract: Embodiments of the present application provide a battery cell, a battery, an electrical device, and a method and device for manufacturing a battery cell. The battery cell includes a shell, an electrode assembly and a current collecting member. The shell has a wall portion located at one end of the shell in a first direction. The electrode assembly is accommodated in the shell and provided with a tab. The current collecting member is accommodated in the shell, and is configured to be connected to the wall portion and the tab to implement an electrical connection between the wall portion and the tab. A protrusion is provided on a side of the current collecting member facing the wall portion, and the wall portion is provided with a recess configured to accommodate at least a part of the protrusion to position the current collecting member.

Abstract: The present application relates to a battery cell and a manufacturing method and device thereof, a battery, and a power consumption apparatus, belonging to the field of battery manufacturing technologies. The battery cell includes: a shell with a first wall; an electrode assembly; and a first current collecting member, where the first wall has a first surface facing the first current collecting member, the first current collecting member has a second surface facing the first wall, one of the first surface and the second surface is provided with a protrusion and the other abuts against the protrusion to form a gap between the first wall and the first current collecting member; and the first current collecting member is provided with a first hole and a second hole, and the first hole is configured to be in communication with the second hole through the gap.

Abstract: A battery cell includes a shell, an end cover, an electrode assembly, and a current collector component. The shell has an opening, and the inner surface of the shell is provided with a first limit part in a protruding manner. The end cover covers the opening. The electrode assembly and the end cover are respectively located on both sides of the first limit part, and the electrode assembly has a tab on the side facing the end cover. The current collector component includes a body part and a connecting part, and the connecting part is connected to the first limit part. The body part includes a first welding region and a second welding region, the first welding region is located on the periphery of the second welding region, the first welding region and the second welding region are separated by the connection position between the connecting part and the body part.

Abstract: A battery cell includes a shell, an end cover, an electrode assembly, and a current collector component. The shell has an opening, and the inner surface of the shell is provided with a first limit part in a protruding manner. The end cover covers the opening. The electrode assembly and the end cover are respectively located on both sides of the first limit part, and the electrode assembly has a tab on the side facing the end cover. The current collector component includes a body part and a connecting part, and the connecting part is connected to the first limit part. The body part includes a first welding region and a second welding region, the first welding region is located on the periphery of the second welding region, the first welding region and the second welding region are separated by the connection position between the connecting part and the body part.

Abstract: The present invention provides a high-throughput vapor deposition apparatus and a vapor deposition method. A rotary workbench (2) is located in a reaction chamber (1); a gas introduction device (3) is located in the reaction chamber (1) and above the rotary workbench (2); a plurality of through holes (31) is provided on the gas introduction device (3); a gas isolation structure (4) divides an upper chamber (11) into an isolation gas chamber (111) and a reaction gas chamber (112) which are isolated from each other; an isolation gas is introduced into the isolation gas chamber (111) via an isolation gas introduction channel (5), and a reaction gas is introduced into the reaction gas chamber (112) via a reaction gas introduction channel (6), for carrying out thin film deposition on an area of a substrate corresponding to the reaction gas chamber (112).

Abstract: A keyboard frame and a keyboard are provided. The keyboard frame comprises a frame body and a plurality of positioning members. The frame body comprises a plurality of keyswitch orifices, a frame and a housing. The housing is disposed on a surface of the frame. The frame comprises a plurality of positioning notches. The housing is exposed from the plurality of positioning notches. The plurality of positioning members is disposed on the housing, and is disposed in the plurality of positioning notches. The keyboard frame is assembled with a keyswitch module disposed on a frame. The keyswitch module comprises a plurality of keyswitches and a plurality of positioning holes. The plurality of the keyswitches passes through the plurality of key orifices. The plurality of positioning members is embedded into the plurality of positioning holes, uniforming the gap between the edge of each keyswitch and the edge of the keyswitch orifices.

Abstract: A keyboard frame and a keyboard are provided. The keyboard frame comprises a frame body and a plurality of positioning members. The frame body comprises a plurality of keyswitch orifices, a frame and a housing. The housing is disposed on a surface of the frame. The frame comprises a plurality of positioning notches. The housing is exposed from the plurality of positioning notches. The plurality of positioning members is disposed on the housing, and is disposed in the plurality of positioning notches. The keyboard frame is assembled with a keyswitch module disposed on a frame. The keyswitch module comprises a plurality of keyswitches and a plurality of positioning holes. The plurality of the keyswitches passes through the plurality of key orifices. The plurality of positioning members is embedded into the plurality of positioning holes, uniforming the gap between the edge of each keyswitch and the edge of the keyswitch orifices.

Abstract: A method for preparing a tungsten sulfide thin film is provided. The method includes the steps of: applying a one-atom-thick W layer on a silicon substrate; applying a one-atom-thick S layer on the W layer; and applying another one-atom-thick W layer on the S layer, to obtain a thin film that is a single-layer thin film having a W—S—W layered structure.

Abstract: The present invention relates to the technical field of inorganic nanofilm materials, and provides a method for preparing a tungsten sulfide thin film. The method comprises the steps of: applying a one-atom-thick W layer on a silicon substrate; applying a one-atom-thick S layer on the W layer; and applying another one-atom-thick W layer on the S layer, to obtain a thin film that is a single-layer thin film having a W—S—W layered structure. The present invention further provides a tungsten sulfide thin film prepared through the method. By means of the method according to the present invention, large-area preparation of the W—S—W thin film is realized, and the quality of the prepared W—S—W thin film is considerably improved, which greatly improves the electrical performance of the W—S—W thin film.

Abstract: A composite panel and its manufacture are described. Ultra-thick bamboo/wood and solid wood composite panels are comprised of core board, surface board and back board. The core board is composed of ultra-thick peeling veneers with thickness of 6 to 12 mm. Both surface board and back board are made of bamboo or wood. The core board comprises several layers of the ultra-thick veneers, and the veneers of contiguous layer are assembled with parallel structure. A glue layer is arranged between contiguous veneers; adhesive in the glue layer is aqueous macromolecule isocyanate adhesive. The ultra-thick veneers of the core layer are the veneers with stress degradation treatment, i.e., punctate or line segment cracks are formed along the grain of the veneer's loose side in each layer.

Abstract: The present invention provides a bamboo-based panel comprising a hunk bamboo bundle mat based panel and a bamboo fiber reinforced composite. The bamboo-based panel comprises several pieces of the hunk bamboo bundle mats or oriented bamboo fiber mats (OBFM) which are parallel or cross laid up with each other, the glue layer is arranged among them so as to make panels by gluing. The upper surface and the lower surface of said hunk bamboo bundle mat comprise the outer layer and inner layer of said bamboo, wherein, a waxy layer and a siliceous layer are respectively removed therefrom.

Abstract: The present invention provides a bamboo based panel unit comprising a hunk bamboo bundle mat and an oriented bamboo fiber mat (OBFM). Series of dotted and/or linear shaped cracks are formed on the cylinder wall of a semicircular bamboo tube which is split and whose inner nodes are removed. The upper surface and the lower surface of the bamboo based panel unit comprise an outer layer and an inner layer of said bamboo, wherein, a waxy layer and a siliceous layer are removed respectively therefrom.

Abstract: The present invention provides ultra-thick bamboo/wood and solid wood composite panels, comprising core board, surface board and back board; said core board is composed of ultra-thick peeling veneers with the thickness of 6 to 12 mm, both said surface board and back board are made of bamboo or wood; said core board comprises several layers of said ultra-thick veneers, and the veneers of contiguous layer are assembled with parallel structure; glue layer is arranged between contiguous said veneers, the adhesive in the glue layer is the aqueous macromolecule isocyanate adhesive; said ultra-thick veneers of the core layer are the veneers with stress degradation treatment, i.e., punctate or line segment cracks are formed along the grain of said veneer loose side in each layer. The glue spread amounts of said composite panels are obviously less than that of the existing composite panels with the same thickness, and the composite panels are without warping or deformation.