Abstract: A camera optical lens is provided. The camera optical lens includes seven lenses, and the seven lenses are sequentially arranged from an object side to an image side, i.e., a first lens having a negative refractive power, a second lens having a positive refractive power, a third lens, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, a sixth lens having a positive refractive power, and a seventh lens having a negative refractive power. At least one of the first lens to the seventh lens includes a free-form surface. The camera optical lens according to the present disclosure can achieve good optical performance and meet the design requirements of being ultra-thin, and having a wide-angle and a large apertures.

Abstract: Provided is a camera optical lens including, sequentially from an object side to an image side: a first lens having a negative refractive power; a second lens having a refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. At least one of the first to seventh lenses comprises a free-form surface. The camera optical lens satisfies following conditions: ?3.00?f4/f3??1.00; 2.90?d9/d10?8.50; and 2.00?d11/d12?15.00. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses.

Abstract: Provided is a camera optical lens including, sequentially from an object side to an image side: a first lens having a negative refractive power; a second lens; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. At least one of the first to seventh lenses comprises a free-form surface. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses.

Abstract: Provided is a camera optical lens including, sequentially from an object side to an image side: a first lens having a negative refractive power; a second lens; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. At least one of the first to seventh lenses comprises a free-form surface. The camera optical lens satisfies following conditions: ?5.00?f1/f??1.00; and 1.50?d1/d2?7.00. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses.

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.

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: an aperture; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; and a sixth lens having a negative refractive power. The camera optical lens satisfies following conditions: 1.09?n4/n1?1.30; and ?2.00?(R1+R2)/(R1?R2)??1.50, where n1 denotes a refractive index of the first lens; n4 denotes a refractive index of the fourth lens; R1 denotes a curvature radius of an object side surface of the first lens; and R2 denotes a curvature radius of an image side surface of the first lens.

Abstract: The present disclosure relates to an 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: 1.51?f1/f?2.50, 1.70?n2?2.20, ?2.00?f3/f4?0.0, ?10.00?(R13+R14)/(R13?R14)?10.0, 0.01?d3/TTL?0.20; where f, f1, f3 f4 denote a focal length of the camera optical lens, a focal length of the first lens, a focal length of the third lens, a focal length of the fourth lens respectively; n2 denotes a refractive index of the second lens; d3 denotes an on-axis thickness of the second lens; TTL donates a total optical length of the camera optical lens; R13 and R14 denote a curvature radius of an object-side surface and a curvature radius of an image-side surface of the seventh lens respectively.

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 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: 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 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: 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: 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: 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: 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.