Abstract: A driving model training method, a driver identification method, an apparatus, a device and a medium are provided. The training method comprises: acquiring training behavior data of a user wherein the training behavior data are associated with a user identifier; acquiring training driving data associated with the user identifier based on the training behavior data; acquiring positive and negative samples from the training driving data based on the user identifier, and dividing the positive and negative samples into a training set and a test set; training the training set using a bagging algorithm, and acquiring an original driving model; testing the original driving model using the test set, and acquiring a target driving model. The training method effectively enhances generalization of the driving model, solves the problem of poor identification results of the existing driving identification model, and improves the accuracy rate of identifying driving of drivers.

Abstract: An ultra-short focus projection lens is configured to receive an image beam from an image source side and project the image beam toward a projection surface. The ultra-short focus projection lens has an optical axis. The ultra-short focus projection lens includes a reflective optical element, a first lens group, a stop, and a second lens group arranged in sequence along the optical axis. The image beam from the image source side passes through the second lens group, the stop, and the first lens group in sequence, and is reflected by the reflective optical element and projected to the projection surface. The first lens group includes a plurality of lenses having diopters. The second lens group 10 includes a plurality of lenses having diopters. The first lens group and the second lens group include ten lenses having diopters in total. A projection device is also provided.

Abstract: A display panel, including a pixel array; multiple rows of gate lines; and multiple columns of data lines; the gate lines and the data lines are perpendicular to each other, respectively, and every two gate lines are correspondingly connected to a row of sub-pixels, and each data line is correspondingly connected to two columns of sub-pixels; each row of pixels is correspondingly connected to two gate lines, and any two gate lines are parallel to each other; and there is a preset length difference between two adjacent rows of gate lines. The wiring of the display panel is convenient to be array detected, and improving the production yield of the display panel.

Abstract: The present application provides constructs comprising a single-domain antibody (sdAb) moiety that specifically recognizes TIGIT. Also provided are methods of making and using these constructs.

Abstract: An antenna module and an electronic device are provided. The antenna module is disposed in a housing of the electronic device. The antenna module includes a first radiating element, a second radiating element, a grounding element, and a switching circuit. The first radiating element includes a first radiating portion and a second radiating portion that are connected with each other. The second radiating element includes a third radiating portion, a fourth radiating portion, a fifth radiating portion, and a feeding portion. The switching circuit is electrically connected between the grounding element and the first radiating element or between the grounding element and the feeding portion.

Abstract: The present application provides anti-LAG-3 constructs comprising a single-domain antibody (sdAb) that specifically recognizes LAG-3. Also provided are methods of making and using these constructs.

Abstract: A chip package structure is provided. The chip package structure includes a chip. The chip package structure includes a conductive ring-like structure over and electrically insulated from the chip. The conductive ring-like structure surrounds a central region of the chip. The chip package structure includes a first solder structure over the conductive ring-like structure. The first solder structure and the conductive ring-like structure are made of different materials.

Abstract: A system for detecting and cleaning indoor air pollution includes gas detection devices and filtering devices. The gas detection devices are adapted to detect a qualitative property and a concentration of an air pollution and output an air pollution data to perform an intelligent computation. The filtering devices are physical-typed or chemical-typed for filtering the air pollution. The filtering devices include one or more movable filtering devices, and the movable filtering device includes a gas detection device. After the intelligent computation is performed to locate an air pollution location, a control command is transmitted to the movable filtering device selectively and intelligently, and the movable filtering device receives the control command and is moved to the air pollution location. Therefore, the movable filtering device allows the air pollution data to approach to a non-detection state, thus a gas in the indoor space is cleaned to a safe and breathable state.

Abstract: A fluid delivery apparatus comprises a first piston body, a second piston body, a fluid delivery pipe, and a sealing element. The first piston body has a first through hole, a first connecting portion, an accommodation space and a buffer space. The second piston body has a second through hole and a second connecting portion disposed inside the accommodation space. The fluid delivery pipe is accommodated in the first through hole and the second through hole, and movable between a first position and a second position. The sealing element encircles the fluid delivery pipe. When the fluid delivery pipe is at the first position, the sealing element is accommodated in the accommodation space. When the fluid delivery pipe is at the second position, a first part of the sealing element is accommodated in the accommodation space, and a second part of the sealing element is accommodated in the buffer space.

Abstract: A heat dissipating mechanism is used to dissipate heat generated by a heat generation component of an electronic device. The heat generation component is disposed on a circuit board. The heat dissipating mechanism includes a rotation component and a heat dissipation component. The rotation component is disposed on the circuit board. The heat dissipation component is rotatably disposed on the rotation component. The heat dissipation component includes a contacting surface and a fin body. The contacting surface is a bottom surface of the fin body and configured to contact against the heat generation component.

Abstract: Aspects of the disclosure relate to a package, a carton (190), and a blank (110) for forming the carton. An aspect of the invention provides a carton comprising a plurality of primary panels (112, 114, 116, 118, 120) defining an interior of the carton. The carton comprises a first panel (118) and a second panel (120) hinged to the first panel along a first fold line (119). The first panel has a first corner edge (55a) extending obliquely with respect to the first fold line such that an obtuse angle is defined between the first corner edge and the first fold line. The carton further comprises an opening feature (D) which is at least partially removable from the carton. The opening feature comprises a removable panel (170a) defined at least in part by first (173a) and second tear lines (173b) which define opposing side edges of the removable panel respectively.

Abstract: Consistent queries to replicated data may be performed according to global clock values. Time values for updates performed at a data set may be identified according to a global clock. The updates may be replicated to a replicated portion of a data set. Queries directed to the replicated portion of the data set may be performed in response to determining that the time values for updates indicate that the replicated portion of the data set is consistent with a time value identified for the query according to the global clock.

Abstract: The present disclosure provides a method for processing defect information of a product, which includes the following steps of: acquiring defect information on a current film layer and defect information on historical film layers; determining whether defect information exists at a target location of the historical film layer if defect information exists at a target location of the current film layer; if defect information exists for a corresponding location to the target location in at least one of the historical film layers, deleting the defect information detected at the target location in the current film layer; and if no defect information exists for the target location in any of the historical film layers, retaining the defect information detected at the target location in the current film layer.

Abstract: A method for preparing an ultra-fine and uniform acrylamide-based polymer hydrogel filament. The method comprises: formulating a reaction solution of acrylamide-based polymer under ice bath conditions, and drawing the reaction solution into a reaction tube by a syringe; parabolically bending the two ends of the reaction tube upward; hanging the reaction tube for 2 h-8 h, and performing a baking reaction to obtain an acrylamide-based polymer hydrogel; vacuum drying the reaction tube for 4 h-8 h to obtain a dry filament of acrylamide-based polymer; cutting the reaction tube to obtain a plurality of short polymerization tubes having a preset length; pushing the dry filament of acrylamide-based polymer out of the short tube by a stainless steel wire; purifying same in a soaking solution to obtain an expanded filament of acrylamide-based polymer; and drying same to obtain a acrylamide-based polymer hydrogel filament having a preset external diameter.

Abstract: A supported metallocene catalyst includes a carrier and a metallocene component. The carrier includes an inorganic oxide particle and an alkyl aluminoxane material. The inorganic oxide particle includes at least one inorganic oxide compound selected from the group consisting of an oxide of Group 3A and an oxide of Group 4A. The alkyl aluminoxane material includes an alkyl aluminoxane compound and an alkyl aluminum compound that is present in amount ranging from greater than 0.01 wt % to less than 14 wt % base on 100 wt % of the alkyl aluminoxane material. The metallocene component is supported on the carrier, and includes one of a metallocene compound containing a metal from Group 3B, a metallocene compound containing a metal from Group 4B, and a combination thereof. A method for preparing the supported metallocene catalyst and a method for preparing polyolefin using the supported metallocene catalyst are also disclosed.

Abstract: A battery pack includes a group of cells, a current path switch coupled to the group of cells, and a current monitoring system. The current monitoring system includes a signal detection unit, a logic unit and a current path control unit. The signal detection unit is coupled to the group of cells and/or a positive terminal of the battery pack, and used to detect at least one voltage signal of the group of cells and/or of the positive terminal of the battery pack. The logic unit is coupled to the signal detection unit, and used to generate a calculated value of a voltage signal of the at least one voltage signal and generate a logic signal according to the calculated value. The current path control unit is coupled to the logic unit and the current path switch, and used to control the current path switch according to the logic signal.

Abstract: A construct for providing divider features in the interior of a carton includes a plurality of panels including at least one end panel and at least one side panel foldably connected to the at least one end panel, and divider features including a plurality of divider flaps foldably connected to a respective panel of the plurality of panels forming at least one divider wall of the construct for forming a plurality of container receiving spaces in the interior of the carton.

Abstract: A power converter having a multi-slope compensation mechanism is provided. A multi-slope compensation circuit of the power converter includes a plurality of first capacitors, a comparator and a plurality of first resistors. A first terminal of each of the plurality of first capacitors and a node between a second terminal of a high-side switch and a first terminal of a low-side switch are connected to an inductor. A plurality of first input terminals of a comparator are respectively connected to second terminals of the plurality of first capacitors, and are respectively connected to first terminals of the plurality of first resistors. Second terminals of the plurality of first resistors are coupled to a second reference voltage. A second input terminal of the comparator is coupled to a first reference voltage. An output terminal of the comparator is connected to an input terminal of a driver circuit.

Abstract: A device for separating and recovering flat-plate catalyst powder and a method for determining a wear ratio are provided. The device includes a powder separation unit and a powder recovery unit, a powder accumulation bin is respectively connected with a shell and a catalyst powder outlet, a cyclone outlet is configured on an inner side of a recovery shell, and a primary filter and a secondary filter are configured on an inner side wall of the recovery shell.