Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens satisfies following conditions: 1.00?f1/f?1.50, 1.70?n5?2.20, ?2.00?f3/f4?2.00; 0.50?(R13+R14)/(R13?R14)?10.00; 1.70?n7?2.20, where f1 denotes a focal length of the first lens; f denotes a focal length of the camera optical lens; n5 denotes a refractive index of the fifth lens; f3 denotes a focal length of the third lens; f4 denotes a focal length of the fourth lens; R13 denotes a curvature radius of the object-side surface of the seventh lens; R14 denotes a curvature radius of the image-side surface of the seventh lens; n7 denotes a refractive index of the seventh lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies following conditions: 1.00?f1/f?1.50; 25.00?R5/d5?35.03, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; R11 denotes a curvature radius of an object-side surface of the sixth lens; and d11 denotes an on-axis thickness of the sixth lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: A method for providing a graphical user interface with animated background, including displaying a background image in a display area and an image movable on the background image; determining whether to display an animated object according to a predetermined condition to obtain a result when the image is moved to a pre-defined visual focus; and displaying the animated object when the result indicates that it is determined to display the animated object. The image is movable along a central line of the display area, and the predetermined condition comprises that a time parameter is met. A system and a storage medium for implementing the method are also disclosed.

Abstract: A method of joining first and second component bodies comprises: cold-spraying a first joining surface of the first component body with a bond material which is harder than the first joining surface; cold-spraying a second joining surface of the second component body with the bond material; and joining the first and second component bodies by way of the first joining surface.

Abstract: Air-based fryer including a food preparation chamber including an outer wall, an inner wall defining a food receiving space with an air inlet and an air discharge opening, and a circulation channel defined between the outer wall and the inner wall. The fryer includes an air heater for heating air in the food preparation chamber, a fan for moving a flow of hot air successively through the air inlet, the food receiving space, the discharge opening, and the channel. The fryer includes a steam generator including at least one nozzle extending into the food receiving space for spraying temperature-controlled steam onto the food; and a controller adapted to control the steam generator to spray steam to food placed in the food receiving space for a first predetermined period, and to control the air heater and the fan to circulate hot air to the food for a subsequent second predetermined period.

Abstract: Provided is a camera optical lens, which includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. At least one of the first lens to the sixth lens includes a free-form surface. The camera optical lens satisfies f3/f1??1.50, ?8.50?f2/f??1.50, and 4.00?(R7+R8)/(R7?R8)?16.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, f2 denotes a focal length of the second lens, f3 denotes a focal length of the third lens, R7 denotes a curvature radius of an object-side surface of the fourth lens, and R8 denotes a curvature radius of an image-side surface of the fourth lens. The camera optical lens according to the present disclosure has optical performance and meet the design requirements of being ultra-thin, and having a wide-angle.

Abstract: Provided is an optical camera lens, which includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. At least one of the six lenses includes a free-form surface. The camera optical lens satisfies: 0?f1; f2?0; f3?0; and f4?0, where f1 denotes a focal length of the first lens, f2 denotes a focal length of the second lens, f3 denotes a focal length of the third lens, and f4 denotes a focal length of the fourth lens. The camera optical lens according to the present disclosure has optical performance and meet the design requirements of being ultra-thin, and having a wide-angle.

Abstract: Provided is a camera optical lens, which includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. At least one of the first lens to the sixth lens includes a free-form surface. The camera optical lens satisfies 3.00?v1/v2?4.00, and ?12.00?f4/f??1.80, where f denotes a focal length of the camera optical lens, f4 denotes a focal length of the fourth lens, v1 denotes an abbe number of the first lens, and v2 denotes an abbe number of the second lens. The camera optical lens according to the present disclosure has optical performance and meet the design requirements of being ultra-thin, and having a wide-angle.

Abstract: Systems, computer-implemented methods and/or computer program products that facilitate automatically mapping different data types are provided. In one embodiment, a computer-implemented method comprises: constructing, by a system operatively coupled to a processor, an index from one or more classifier models for one or more data types; scoring and ranking, by the system, one or more candidate pairs for the one or more data types based on confidence score; and analyzing, by the system, how the one or more candidate pairs are scored and automatically generating the one or more classifier models used to construct the index.

Abstract: An ether-bridged dication is provided with two monovalent cations bonded via a carbon chain having ether group(s). The ether-bridged dication, monovalent cations, and anions are contained together within an ionic liquid electrolyte which is applied to a charge storage device. The ether-bridged dication, the ionic liquid electrolyte, and the charge storage device have operational abilities at room temperatures or below, and a reachable working potential of 3.5 V.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; and an eighth lens. The camera optical lens satisfies following conditions: 3.80?f1/f?5.00; f2?0.00; and 1.55?n3?1.70, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f2 denotes a focal length of the second lens; and n3 denotes a refractive index of the third lens. The present disclosure can achieve high optical performance while achieving ultra-thin, wide-angle lenses having a big aperture.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; and an eighth lens. The camera optical lens satisfies following conditions: 1.95?f1/f?3.00; f2?0; and 1.55?n8?1.70, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f2 denotes a focal length of the second lens; and n8 denotes a refractive index of the eighth lens. The present disclosure can achieve ultra-thin, wide-angle lenses having a big aperture.

Abstract: Techniques for augmenting relational databases with graph database capabilities are described. A graph database query requesting data from a graph database is received. The graph database includes a plurality of vertices and a plurality of edges. The graph database query is translated into a relational database query using one or more computer processors. The relational database query references a vertex table and an edge table in a relational database. Result data corresponding with the graph database query is retrieved from the relational database by executing the relational database query against the relational database.

Abstract: Disclosed is a food preparation apparatus (100) comprising a food preparation chamber and a pressure chamber (120) for generating steam coupled to the food preparation chamber through a conduit (130), wherein the pressure chamber comprises a heating element (121) for converting water into steam; and the conduit comprises an auto-relief valve (140) arranged to release the steam at a set pressure above atmospheric pressure from the pressure chamber into the food preparation chamber, thereby creating superheated steam in the food preparation chamber by the rapid expansion of the released volume of the above atmospheric pressure (saturated) steam. A method (200) of preparing food in such a food preparation apparatus (100) is also disclosed.

Abstract: An ether-bridged dication is provided with two monovalent cations bonded via a carbon chain having ether group(s). The ether-bridged dication, monovalent cations, and anions are contained together within an ionic liquid electrolyte which is applied to a charge storage device. The ether-bridged dication, the ionic liquid electrolyte, and the charge storage device have operational abilities at room temperatures or below, and a reachable working potential of 3.5 V.

Abstract: Implementations of the present disclosure relate to methods, systems, and computer program products for security management. In one implementation, a computer-implemented method is disclosed. In the method, a message sequence associated with a user may be obtained from a list of historical messages that are logged in a data system. A candidate operation may be determined based on the obtained message sequence and an association model, where the association model indicates associations between message sequences and operations that are supported in the data system. A security level of the candidate operation may be evaluated based on at least one historical operation that has been performed by the user in the data system. In other implementations, a computer-implemented system and a computer program product for security management are disclosed.

Abstract: A computer implemented method for processing a plurality of medical indication conditions on a computer that includes a processor communicatively coupled to a memory includes obtaining a plurality of predetermined indication conditions which relate to a plurality of parameters, and forming a plurality of conditional segments based on respective values of the plurality of parameters defined in the plurality of predetermined indication conditions. Each conditional segment of the plurality of conditional segments corresponds to a combination of different value ranges of respective parameters of the plurality of parameters. The plurality of predetermined indication conditions includes a measurement item, a reference standard, a time period, a measurement condition, and a measurement manner.

Abstract: A method for establishing court information is provided. The method includes: establishing connection with an external smart ball; providing a prompt message indicating to move the external smart ball from a first characteristic spot of a court to a second characteristic spot of the court; obtaining sensing information from the external smart ball after providing the prompt message; calculating a movement trajectory of the external smart ball according to the sensing information; and obtaining a direction of a line connecting the first characteristic spot and the second characteristic spot in a geomagnetic coordinate. An electronic device and a non-transitory computer readable storage medium using the method are also provided.

Abstract: Embodiments of the present disclosure propose a display substrate, a method for manufacturing the same, and a display panel. In an embodiment, the display substrate includes a flexible substrate, the flexible substrate includes a bending region, the bending region has a first groove, wherein at least an inner wall of the first groove has a first flexible layer, at least one rib is provided on the first flexible layer at a bottom of the first groove, a wiring layer covers the rib on the first flexible layer, and the wiring layer has alternating protrusions and recessions, and an orthographic projection of the protrusions on the flexible substrate and an orthographic projection of the rib on the flexible substrate at least partially overlap.

Abstract: A method and system of processing graph query are provided. A graph query is received by a relational database graph module. The graph query is translated into one or more relational database queries. One or more relational database queries are translated to be performed on data stored within a relational database. One or more results from the relational database are received based on the sent one or more relational database queries. A synergistic graph is generated on a display, based on the received one or more results.