Abstract: A camera optical lens includes, from an object side to an image side: a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. 2.50?f3/f?6.00, ?2.00?R4/R3??1.00, and 1.00?d1/d2?1.80. f denotes a focal length of the camera optical lens; f3 denotes a focal length of the third lens; R3 denotes a curvature radius of an object-side surface of the second lens; R4 denotes a curvature radius of an image-side surface of the second lens; d1 denotes an on-axis thickness of the first lens; d2 denotes an on-axis distance from an image-side surface of the first lens to an object-side surface of the second lens. The camera optical lens can achieve good optical performance while achieving ultra-thin, wide-angle lenses having large apertures.

Abstract: The invention provides a nutritional value prediction system. A nutritional value of processed food is predicted based on an identity of food to be processed and processing characteristics of a kitchen appliance used to process the food to be processed. Processing characteristics of the kitchen appliance are determined based on a sensed parameter of a power supply of the kitchen appliance.

Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, and a fifth lens, with at least one of the first to fifth lenses having a free-form surface, and satisfies: ?3.50?f4/f??0.35; ?8.00?R10/f??1.00; and 2.00?d8/d7?8.00, where f and f4 respectively denote focal lengths of the camera optical lens and the fourth lens; R10 denotes a central curvature radius of an image side surface of the fifth lens; d7 denotes an on-axis thickness of the fourth lens; and d8 denotes an on-axis distance from an image side surface of the fourth lens to an object side surface of the fifth lens, thereby having good optical performance while satisfying design requirements of a long focal length and ultra-thinness.

Abstract: The present invention relates to the field of optical lenses, and provides a camera optical lens, including, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one of the first lens to the fifth lens has a free-form surface, and the camera optical lens satisfies: ?3.50?f2/f??1.50; ?2.00?(R5+R6)/(R5?R6)?0.20; and 1.00?f4/f?5.50, where f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, f4 denotes a focal length of the fourth lens, R5 denotes a central curvature radius of an object side surface of the third lens, and R6 denotes a central curvature radius of an image side surface of the third lens. The camera optical lens according to the present invention has a large aperture, a wide angle and ultra-thinness, as well as excellent optical performance.

Abstract: The invention relates generally to methods for preparing recombinant nucleosomes. In particular, the invention relates to methods for ligating a histone peptide onto a fully assembled recombinant nucleosome. The invention further relates to modified core histone proteins, histone peptides to be ligated to the modified core histone proteins, and fully assembled recombinant nucleosomes and libraries of recombinant nucleosomes prepared by the methods of the invention.

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: The present application discloses a frontpage news prediction and classification method. Keywords to be queried are firstly input by means of a user interface, and collected news text information on the web pages is saved in a local database; a text representation module performs vector representation by using a Doc2Vec representation algorithm, so as to convert each news text into a low-dimensional text feature vector with a high amount of information; and a similarity network construction module calculates the similarity between news, constructs a news similarity network by taking a calculated similarity matrix as an adjacent matrix of a news related network, determines whether a similarity network is traversed, if so, iteratively calculates an HR value of the vector according to an H-index supporting contribution matrix, performs weight sorting on the news by using the HR value, and predicts top-N pieces of news as front page news.

Abstract: Embodiments of the present disclosure relate to method and system for diagnostic analyzing. Some embodiments of the present disclosure provide a diagnostic analyzing system. The diagnostic analyzing system comprises one or more analyzer instruments and a monitoring system, e.g. a quality control monitoring system. The one or more analyzer instruments designed for providing an analytical testing result, which is to be validated by the monitoring system using a validation algorithm. Moreover, the monitoring system may re-train the validation algorithm when a difference level between a live data set and a first training data set is greater than a threshold. Through the solution, it is possible to improve the accuracy of the validation algorithm.

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: The present invention provides a camera optical lens, including, from an object side to an image side, a first lens having a positive refractive power, a second lens a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, and a fifth lens. At least one of the first lens to the fifth lens has a free-form surface, and the camera optical lens satisfies 0.50?f3/f?1.20; and 1.50?R7/R8, where f denotes a focal length of the camera optical lens, f3 denotes a focal length of the third lens, R7 is a central curvature radius of an object side surface of the fourth lens, and R8 is a central curvature radius of an image side surface of the fourth lens. The camera optical lens has excellent optical performance while meeting requirements of a long focal length and ultra-thinness.

Abstract: A camera optical lens includes five-piece lenses, from an object side to an image side. The camera optical lens satisfies conditions of 0.65?f1/f?0.85, 1.20?(R7+R8)/(R7?R8)?1.75, ?40.00?f3/f??20.00, 0.50?d5/d6?0.80 and 1.00?d8/d9?1.30. Here f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, f3 denotes a focal length of the third lens, R7 denotes a curvature radius of an object-side surface of the fourth lens, R8 denotes a curvature radius of an image-side surface of the fourth lens, d5 denotes an on-axis thickness of the third lens, d6 denotes an on-axis distance from an image-side surface of the third lens to the object-side surface of the fourth lens. The camera optical lens of the present disclosure has excellent optical performances, and meanwhile can meet design requirements of a large aperture, a wide angle and ultra-thin.

Abstract: The disclosure provides a method for data instance processing. The method includes obtaining a set of data instances collected from a plurality of organizations. Each of the data instances includes at least one record formed in an organization that stores values of a plurality of attributes of the data instance. The method also includes dividing the set of data instances into groups, wherein data instances with conflicting values for the same attribute are divided into different groups. The method further includes subdividing data instances in each of the groups into clusters.

Abstract: A flexible displaying substrate includes: a first flexible film layer; a first barrier layer provided on a first surface of the first flexible film layer, and the first barrier layer is a constant-thickness film layer; a second barrier layer provided on one side of the first barrier layer away from the first flexible film layer; and a second flexible film layer is provided between the first barrier layer and the second barrier layer; wherein a surface of the second barrier layer closer to the first flexible film layer is provided with a slot, and a first orthographic projection of the second flexible film layer on the first flexible film layer and a second orthographic projection of the slot on the first flexible film layer at least partially overlap.

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: The invention provides a biomolecular image sensor with a plurality of microstructures repeatedly arranged on a surface of an image sensing element, and method thereof for detecting biomolecule.

Abstract: A bioassay device includes a main body, a biomolecular image sensor and an electrical connection portion. The main body is formed with a sensor groove. The biomolecular image sensor is disposed in the sensor groove and includes an image sensor unit. The electrical connection portion is disposed at one side of the main body and electrically connected to the biomolecular image sensor. Such that, all of the units in bioassay are able to be disposed on the main body, and the bioassay device is a kit for bioassay.

Abstract: The present invention provides a biomolecule image sensor in which detection molecules are deposed on a light receiving surface of an image sensing element, and method thereof for detecting biomolecule.