Abstract: The present invention discloses box-type variable frequency water supply equipment with an energy-saving function, and relates to the technical field of water supply equipment, including: a water tank, wherein the side wall of the water tank is provided with a water inlet and a water outlet, one end of the water outlet away from the water tank is provided with a pump set device, and the water tank is provided therein with a cleaning device; the water in the water tank is delivered to a water pump in the pump set device via the water outlet, and the water pump extracts water into a pipe system so as to realize pipeline water supply; in the process of delivering water in the water tank to the water outlet, the controller controls the cleaning device to start, and the cleaning device thereupon rotates under the action of the water flow; in the process of rotating the cleaning device, the inner wall of the water tank is cleaned, and the cleaning device cleans impurities attached to the inner wall of the water tan

Abstract: The present invention discloses box-type variable frequency water supply equipment with an energy-saving function, and relates to the technical field of water supply equipment, including: a water tank, wherein the side wall of the water tank is provided with a water inlet and a water outlet, one end of the water outlet away from the water tank is provided with a pump set device, and the water tank is provided therein with a cleaning device; the water in the water tank is delivered to a water pump in the pump set device via the water outlet, and the water pump extracts water into a pipe system so as to realize pipeline water supply; in the process of delivering water in the water tank to the water outlet, the controller controls the cleaning device to start, and the cleaning device thereupon rotates under the action of the water flow; in the process of rotating the cleaning device, the inner wall of the water tank is cleaned, and the cleaning device cleans impurities attached to the inner wall of the water tan

Abstract: A model training method includes: obtaining sample data; determining a tag missing ratio of the training sample in different dimensions and a first weight value of the training sample in different dimensions according to association information between a training sample and a true value tag; determining a second weight value of the training sample according to the tag missing ratio; and inputting the sample data, the first weight value, and the second weight value into a preset neural network model for training, until a loss value of a target loss function of the preset neural network model meets a model convergence condition to obtain a target prediction model.

Abstract: A battery cell, a battery, an electric device, and a processing method for a battery cell are provided. The battery cell comprises an electrode assembly and active structures. The electrode assembly comprises a positive electrode sheetand a negative electrode sheet, wherein the positive electrode sheet comprises first straight segments and first bent segments, and the negative electrode sheet comprises second straight segments and second bent segments, the first straight segmentsand the second straight segments are alternately stacked to form straight portions, and the first bent segments and the second bent segments are alternately stacked to form corner portions. At least some of the active structures are provided between the first bent segments and the second bent segments adjacent to the inner sides of the first bent segments. In this way, the problem of ion precipitation at the corner portions can be solved.

Abstract: An automatic separator for peel and pulp of Holboellia latifolia Wall is provided: the cooperation between a pressure roller set (9) and a scraping plate (11) is used for pressing and separating the peel and pulp of Holboellia latifolia Wall; a shell (2) surrounded by four rectangular plates which are perpendicular to each other and fixedly connected end to end is fixedly connected outside the table-shaped frame (14), two side rectangular plates (22) of the shell (2) are symmetrically provided with peel outlets (20), a screen table (18) is installed on the top of the pressure roller frame, two groups of automatic pressure roller adjusting devices (6) are provided at both sides of the screen table (18), respectively, and a pressure roller installing platform (5) is placed above the four automatic pressure roller adjusting devices (6) through grooves installed below a frame.

Abstract: Provided are a fused imide derivative as shown in formula I, a preparation method therefor, a pharmaceutical composition containing same, and the use thereof in the treatment of relevant diseases (such as cancers).

Abstract: The present invention discloses a spiral sorting device for kitchen waste based on hardness screening, and relates to the technical field of kitchen waste processing, including a housing, wherein a feed plate, a discharge plate, a gear box, and a drive motor are mounted on the outer side of the housing, two crushing rollers are mounted inside the housing, the two crushing rollers are connected to the drive motor via the gear box, a gear set is provided inside the gear box, several push plates and several sawtooth rings are mounted inside the housing, a slicing knife is mounted between the sawtooth rings, the sawtooth ring is perpendicular to the slicing knife, and linkage rings are mounted at the front end and rear end of the slicing knife. The present invention is provided with two types of crushing mechanisms. The two types of crushing mechanisms perform targeted crushing according to the hardness of the kitchen waste.

Abstract: The present application belongs to the field of pharmaceutical chemistry, and relates to a furo[3,4-b]pyrrole-containing BTK inhibitor, and in particular, to a compound of formula (I), a stereisomer or pharmacologically acceptable salt thereof, a preparation method therefor, a pharmaceutical composition containing the compound, and use thereof in treating BTK-related diseases.

Abstract: An automatic separator for peel and pulp of Holboellia latifolia Wall is provided: the cooperation between a pressure roller set (9) and a scraping plate (11) is used for pressing and separating the peel and pulp of Holboellia latifolia Wall; a shell (2) surrounded by four rectangular plates which are perpendicular to each other and fixedly connected end to end is fixedly connected outside the table-shaped frame (14), two side rectangular plates (22) of the shell (2) are symmetrically provided with peel outlets (20), a screen table (18) is installed on the top of the pressure roller frame, two groups of automatic pressure roller adjusting devices (6) are provided at both sides of the screen table (18), respectively, and a pressure roller installing platform (5) is placed above the four automatic pressure roller adjusting devices (6) through grooves installed below a frame.

Abstract: The present application belongs to the field of pharmaceutical chemistry, and relates to a furo[3,4-b]pyrrole-containing BTK inhibitor, and in particular, to a compound of formula (I), a stereisomer or pharmacologically acceptable salt thereof, a preparation method therefor, a pharmaceutical composition containing the compound, and use thereof in treating BTK-related diseases.

Abstract: A composite material packaged fiber grating sensor and a manufacturing method thereof. The sensor includes a fiber grating sensor component, a composite material coverage layer, a resin package layer and a composite material substrate layer. In the sensor, a temperature fiber grating and a strain fiber grating are packaged in a composite material structure, so that the structure is light and simple, its computability with the composite material is good, the measurement accuracy is high, and the survival rate and the service life of the installed sensor can be greatly improved, the sensor component can be externally pasted on to or inter-implanted in a composite material structural part, and can be applied to the distributed online health monitoring on the structural part. The manufacturing method of the composite material packaged fiber grating sensor is simple, efficient and stable, and is suitable for rapid mass production by enterprises.

Abstract: A composite material packaged fiber grating sensor and a manufacturing method thereof. The sensor includes a fiber grating sensor component, a composite material coverage layer, a resin package layer and a composite material substrate layer. In the sensor, a temperature fiber grating and a strain fiber grating are packaged in a composite material structure, so that the structure is light and simple, its computability with the composite material is good, the measurement accuracy is high, and the survival rate and the service life of the installed sensor can be greatly improved, the sensor component can be externally pasted on to or inter-implanted in a composite material structural part, and can be applied to the distributed online health monitoring on the structural part. The manufacturing method of the composite material packaged fiber grating sensor is simple, efficient and stable, and is suitable for rapid mass production by enterprises.

Abstract: A power tool, comprising: a housing; a motor being disposed in the housing for outputting rotary power; an output shaft having an accommodating hole in the axial direction for holding a tool bit; a transmission mechanism, being disposed between the motor and the output shaft for transmitting rotary power from the motor to the output shaft; a tool bit supporting being disposed in the housing and including several chambers disposed in parallel for holding the tool bit; a connecting member being disposed in the housing and capable of moving axially between a working position where the connecting member passes through one of the chambers and to accommodate the tool bit in the chamber connect the output shaft, and a release position where the connecting member exits and separates from one of the several chambers; and an operating member is arranged on the housing for controlling the axial movement of the connecting member; the power tool further includes an automatic shifting means for adjusting the position of th

Abstract: A power tool, comprising: a housing; a motor being disposed in the housing for outputting rotary power; an output shaft having an accommodating hole in the axial direction for holding a tool bit; a transmission mechanism, being disposed between the motor and the output shaft for transmitting rotary power from the motor to the output shaft; a tool bit supporting being disposed in the housing and including several chambers disposed in parallel for holding the tool bit; a connecting member being disposed in the housing and capable of moving axially between a working position where the connecting member passes through one of the chambers and to accommodate the tool bit in the chamber connect the output shaft, and a release position where the connecting member exits and separates from one of the several chambers; and an operating member is arranged on the housing for controlling the axial movement of the connecting member; the power tool further includes an automatic shifting means for adjusting the position of th

Abstract: A power tool, comprising: a housing; a motor being disposed in the housing for outputting rotary power; an output shaft having an accommodating hole in the axial direction for holding a tool bit; a transmission mechanism, being disposed between the motor and the output shaft for transmitting rotary power from the motor to the output shaft; a tool bit supporting being disposed in the housing and including several chambers disposed in parallel for holding the tool bit; a connecting member being disposed in the housing and capable of moving axially between a working position where the connecting member passes through one of the chambers and to accommodate the tool bit in the chamber connect the output shaft, and a release position where the connecting member exits and separates from one of the several chambers; and an operating member is arranged on the housing for controlling the axial movement of the connecting member; the power tool further includes an automatic shifting means for adjusting the position of th

Abstract: A gripping arm for a clamping attachment for a forklift has a load engaging inner arm including portions defining a load face. The inner arm is pivotal about a first axis parallel to the load face and pivots about a second axis normal to the first axis to engage and secure a load.

Abstract: A power tool, comprising: a housing; a motor being disposed in the housing for outputting rotary power; an output shaft having an accommodating hole in the axial direction for holding a tool bit; a transmission mechanism, being disposed between the motor and the output shaft for transmitting rotary power from the motor to the output shaft; a tool bit supporting being disposed in the housing and including several chambers disposed in parallel for holding the tool bit; a connecting member being disposed in the housing and capable of moving axially between a working position where the connecting member passes through one of the chambers and to accommodate the tool bit in the chamber connect the output shaft, and a release position where the connecting member exits and separates from one of the several chambers; and an operating member is arranged on the housing for controlling the axial movement of the connecting member; the power tool further includes an automatic shifting means for adjusting the position of th

Abstract: A gripping arm for a clamping attachment for a forklift has a load engaging inner arm including portions defining a load face. The inner arm is pivotal about a first axis parallel to the load face and pivots about a second axis normal to the first axis to engage and secure a load.

Abstract: The present invention relates to a surface interaction type multimode optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers with at least one having an expanded core section. Sections of the optical fibers including at least a portion of the expanded core sections are fused together forming a fused section. At least one of the optical fibers is suitable for multimode operations. According to an embodiment of the present invention, a method of fabrication an optical fiber coupler comprises: providing a plurality of optical fibers with at least one having an expanded core section; and maintaining sections of the optical fibers including at least a portion of the expanded core sections in contact and simultaneously heating at least a portion of the sections that are in contact to form a fused section until a predetermined end condition is reached.

Abstract: The present invention relates to a surface interaction type multimode optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers with each having an expanded core section. The expanded core sections of the optical fibers are fused together forming a fused section. Each of the optical fibers is optically coupled with at least one other optical fiber primarily through surface interaction in the fused section. The optical fibers are suitable for multimode operations. According to an embodiment of the present invention, a method of fabrication an optical fiber coupler comprises: providing a plurality of optical fibers with each having an expanded core section; and maintaining at least a portion of the expanded core sections in contact and simultaneously heating at least a portion of the expanded core sections that are in contact to form a fused section until a predetermined end condition is reached.