Abstract: A feature extraction system, method and apparatus based on neural network optimization by gradient filtering is provided. The feature extraction method includes: acquiring, by an information acquisition device, input information; constructing, by a feature extraction device, different feature extraction networks, performing iterative training on the networks in combination with corresponding training task queues to obtain optimized feature extraction networks for different input information, and calling a corresponding optimized feature extraction network to perform feature extraction according to a class of the input information; performing, by an online updating device, online updating of the networks; and outputting, by a feature output device, a feature of the input information. The new feature extraction system, method and apparatus avoids the problem of catastrophic forgetting of the artificial neural network in continuous tasks, and achieves high accuracy and precision in continuous feature extraction.

Abstract: A device for analyzing cell morphology and a method for identifying cells are provided. A digital camera photographs a cell image of a blood sample under a low-magnification objective lens. A processor identifies and positions suspected cells of preset type in the cell image to obtain an identification result. Based on the identification result and a target number, the processor determines a number of suspected cells of preset type to be identified and positioned under the low-magnification objective lens. The digital camera further photographs, under a high-magnification objective lens, the suspected cells of preset type identified and positioned, and then the processor identifies whether the suspected cells of preset type photographed are cells of preset type, to count the number of cells of preset type photographed under the high-magnification objective lens and obtain a statistical value. If the statistical value?the target number, photographing is stopped.

Abstract: A target cell statistical method, apparatus and system are provided. A cell image of a blood specimen is acquired by a cell image analysis apparatus. The blood specimen is derived from a blood sample to be tested. A number of target cells and a number of reference cells in the cell image are automatically identified by the cell image analysis apparatus. A number of reference cells in the blood sample to be tested is acquired by the cell image analysis apparatus, and a number of target cells in the blood sample to be tested is calculated by the cell image analysis apparatus, based on the number of target cells and the number of reference cells in the cell image and the number of reference cells in the blood sample to be tested.

Abstract: This application relates to the field of lighting, and discloses an LED filament. The LED filament includes an LED chip unit, a light conversion layer, and an electrode. The light conversion layer covers the LED chip unit and part of the electrode, and a color of a light emitted by the LED filament after lighting is different from a color of the light conversion layer. This application has the characteristics of uniform light emission and good heat dissipation effect.

Abstract: Embodiments of the present invention relate to a sample image photographing method and a corresponding sample image photographing apparatus.

Abstract: A protein nanopore comprising one or more sensing module and a method for characterizing a target molecule using the protein nanopore.

Abstract: A transcorneal electrical stimulation (TES) apparatus for treating brain diseases is provided. The apparatus includes an eye-contacting interface with at least one active electrode, an inactive reference electrode, and a current source. Both the active and reference electrodes are electrically connected to the current source, facilitating transcorneal electrical stimulation for various applications.

Abstract: A device for analyzing cell morphology and a method for identifying cells are provided. A digital camera photographs a cell image of a blood sample under a low-magnification objective lens. A processor identifies and positions suspected cells of preset type in the cell image to obtain an identification result. Based on the identification result and a target number, the processor determines a number of suspected cells of preset type to be identified and positioned under the low-magnification objective lens. The digital camera further photographs, under a high-magnification objective lens, the suspected cells of preset type identified and positioned, and then the processor identifies whether the suspected cells of preset type photographed are cells of preset type, to count the number of cells of preset type photographed under the high-magnification objective lens and obtain a statistical value. If the statistical value?the target number, photographing is stopped.

Abstract: A target cell statistical method, apparatus and system are provided. A cell image of a blood specimen is acquired by a cell image analysis apparatus. The blood specimen is derived from a blood sample to be tested. A number of target cells and a number of reference cells in the cell image are automatically identified by the cell image analysis apparatus. A number of reference cells in the blood sample to be tested is acquired by the cell image analysis apparatus, and a number of target cells in the blood sample to be tested is calculated by the cell image analysis apparatus, based on the number of target cells and the number of reference cells in the cell image and the number of reference cells in the blood sample to be tested.

Abstract: The present disclosure provides a lyophilized powder containing a boron complex. The lyophilized powder includes a sugar acid and a complex formed by a dehydration condensation reaction of a dihydroxyboryl compound and a sugar or a sugar alcohol. The present disclosure also provides a method of forming a lyophilized powder containing a boron complex. The method includes the following operations. A dihydroxyboryl compound and a sugar or a sugar alcohol are mixed to form a mixture, and the mixture includes a complex formed by a dehydration condensation reaction of the dihydroxyboryl compound and the sugar or the sugar alcohol. The mixture is immersed in liquid nitrogen to freeze the mixture to form a pre-frozen body. A vacuum drying process is performed to evaporate water of the pre-frozen body to form a lyophilized powder.

Abstract: Embodiments of the present invention relate to a sample image photographing method and a corresponding sample image photographing apparatus.

Abstract: A container for alcohol, e.g., a wine bottle, formed of a polymer wall has a body that terminates in a base, a shoulder, and a neck, the shoulder forming a tapered region between the neck and the body, and the neck terminating in a finish. The polymer wall is sufficiently thick to withstand extraction forces, one hour after capping, of between 12 and 40 daN when a natural cork stopper is used and between 10 and 45 daN when a synthetic stopper is used.

Abstract: This application relates to the field of lighting, and discloses an LED filament. The LED filament includes an LED chip unit, a light conversion layer, and an electrode. The light conversion layer covers the LED chip unit and part of the electrode, and a color of a light emitted by the LED filament after lighting is different from a color of the light conversion layer. This application has the characteristics of uniform light emission and good heat dissipation effect.

Abstract: A buffer structure includes at least one internal main layer, at least one external main layer, and a rib portion. An inner side of the internal main layer forms an accommodating space, and the external main layer surrounds an outer side of the internal main layer. The rib portion is located between two first folding lines and forms a ring shape. The two first folding lines are parallel to each other. One of the two first folding lines is connected to the internal main layer, and the other one of the two first folding lines is connected to the external main layer. The rib portion is connected between the internal main layer and the external main layer.

Abstract: A semiconductor structure is provided. The semiconductor structure includes two circuit regions, two inner seal rings, an outer seal ring, a first redundant region, and an electrical circuit. Each of the inner seal rings surrounding one of the circuit regions. The outer seal ring is disposed around the inner seal rings, and each of the inner seal rings contacts the outer seal ring at different interior corners of the outer seal ring. The first redundant region is located between at least one of the inner seal rings and the outer seal ring. The electrical circuit is formed in the first redundant region and electrically connected to at least one of the circuit regions.

Abstract: An array of dies is formed over a substrate. Each of the dies contains a plurality of functional transistors. A plurality of first seal rings each surround a respective one of the dies in a top view. The first seal rings define a plurality of corner regions that are disposed outside of the first seal rings and between corners of respective subsets of the dies. A plurality of structures is disposed within the corner regions. The structures include test structures, dummy structures, process monitor patterns, alignment marks, or overlay marks. Electrical interconnection elements are disposed between each pair of adjacent dies in the array of dies in the top view. The electrical interconnection elements electrically interconnect the dies in the array with one another. A second seal ring surrounds the array of dies, the first seal rings, and the structures in the top view.

Abstract: A first die includes a plurality of first transistors. A first seal ring surrounds the first die in a top view. A second die that a plurality of second transistors. A second seal ring surrounds the second die in the top view. A plurality of conductive elements extends into both the first die and the second die in the top view. The conductive elements electrically interconnect the first die with the second die. A third seal ring surrounds, in the top view, the first die, the second die, and the conductive elements.

Abstract: A semiconductor structure includes first and second inner seal rings each having a first section and a second section substantially perpendicular to the first section. The semiconductor structure further includes an outer seal ring. The outer seal ring has a third section, and a fourth section, and a fifth section. The semiconductor structure further includes dummy patterns substantially uniformly distributed in each of regions between the first inner seal ring and the outer seal ring and between the second inner seal ring and the outer seal ring.

Abstract: A supporting structure and a packing box are provided. The supporting structure includes a plate-shaped body that has a first supporting area with at least one first through hole, a second supporting area with at least one second through hole, and a foldable area located between the first supporting area and the second supporting area. The first through hole includes a supporting portion and a passage portion in communication with the supporting portion and the second through hole. The first supporting area and the second supporting area are folded relative to each other along the foldable area so as to form an accommodating space between the first through hole and the second through hole.

Abstract: A method for fabricating a semiconductor device is provided. The method includes generating a redistribution layer (RDL) layout, wherein the RDL layout comprises a plurality of redistribution lines; determining a first dummy region in the RDL layout according to the redistribution lines; disposing a plurality of first dummy redistribution lines in the first dummy region; performing a first modification process to enlarge at least one of the first dummy redistribution lines; determining the enlarged one of the first dummy redistribution lines as a second dummy region in the RDL layout when an area of the enlarged one of the first dummy redistribution lines is greater than a threshold value; disposing a plurality of second dummy redistribution lines in the second dummy region; and patterning a metal layer according to the RDL layout after disposing the second dummy redistribution lines in the second dummy region.