Abstract: A receiving structure providing real-time information as to the materials constituting its contents includes a box body, a first side plate, and a second side plate. The box body, the first side plate, and the second side plate forming a receiving space, and the receiving space receives materials. A discharge port is formed between the second side plate and the first side plate, the discharge port is in communication with the receiving space, and the discharge port is configured to take out the material. A material checking unit is provided on the first side plate, the material checking unit detects and enables real time identification of the materials in the receiving structure.

Abstract: A data generating method includes obtaining first sample data, determining a type of the first sample data and a corresponding data expansion method, expanding the first sample data according to the determined data expansion method to generate second sample data, and dividing the first sample data and the second sample data into a training set and a verification set according to a preset rule. A data model is trained according to the training set, and the data model is verified according to the verification set after training.

Abstract: An image sensor with noise-reduction circuitry includes a pixel array, many analog-to-digital converters, and many correlated dual sampling units. The pixel array includes rows and columns of pixel cells. Each of the pixel cells converts light into analog electrical signal. Analog-to-digital converters convert the electric signals output from the pixel cells into digital signals. The correlated dual sampling units convert the digital signals and/or the electric signals into correlated dual sampling signals to denoise the output of the image sensor by subtraction from the analog content. An electronic device is also provided.

Abstract: An image marking method includes acquiring an image and at least one feature to be marked in the image, searching for at least one target area matching the at least one feature to be marked in the image, and marking the at least one target area with a preset graphic. The feature corresponds to the preset graphic.

Abstract: A solar cell including: a silicon substrate; a back electrode; a doped silicon layer; an upper electrode, wherein the upper electrode includes a plurality of three-dimensional nanostructures extending along a same direction; an electrode lead, wherein a direction of the electrode lead intersects with the direction of the plurality of three-dimensional nanostructures; wherein the three-dimensional nanostructures includes a first rectangular structure, a second rectangular structure, and a triangular prism structure; the first rectangular structure, the second rectangular structure, and the triangular prism structure are stacked, a first width of a bottom surface of the triangular prism structure is equal to a second width of a top surface of the second rectangular structure, and is greater than a third width of a top surface of the first rectangular structure, materials of the first rectangular structure and the triangular prism structure are metal.

Abstract: A holographic display device includes a display panel for emitting a first image light and a diffraction component on an optical path of the first image light. The first image light includes first and second colors of light. The diffraction component diffracts the first color light at a first diffraction efficiency and diffracts the second color light at a second diffraction efficiency. The first color light and the second color light after diffraction are mixed together in a second image light for generating holographic images. By emitting the first color light and the second color light in the first image light at the same grayscale value, a ratio of intensities of the first color light and the second color light becomes inversely proportional to a ratio of the first diffraction efficiency and the second diffraction efficiency.

Abstract: A method for selecting a deep learning network which is optimal for solving an image processing task obtaining a type of the image processing task, selecting a data set according to the type of problem, and dividing selected data set into training data and test data. Similarities between different training data are calculated, and a batch size of the training data is adjusted according to the similarities of the training data. A plurality of deep learning networks is selected according to the type of problem, and the plurality of deep learning networks is trained through the training data to obtain network models. Each of the network models is tested through the test data, and the optimal deep learning network with the best test result is selected from the plurality of deep learning networks appropriate for image processing.

Abstract: A method for making an infrared light absorber is provided, and the method includes following steps: providing a first carbon nanotube array on a substrate; truncating the carbon nanotube array by irradiating a top surface of the carbon nanotube array by a laser beam in two directions, the top surface being away from the substrate, wherein the two directions being at an angle, the angle is in a range of 30 degrees to 90 degrees.

Abstract: A method for detecting battery condition by monitoring air pressure and temperature both before and during the use of a sealed electronic device. A first air pressure is obtained before the device is powered on. A second air pressure is obtained during use of the device. A value of variations between readings is determined, and if the variation value in air pressure is greater than a preset value, an alarm is generated. An electronic device and a non-transitory storage medium are also provided.

Abstract: A high-resolution imaging lens proofed against high-temperature instability includes a first lens with a negative power, a second lens with a negative power, a third lens with a positive power, a fourth lens with a negative power, a fifth lens with a positive power, and a sixth lens with a positive power. The first to the sixth lenses satisfy conditions of F1<0; 0.8>|F2/F6|>0.6, F2<0, F6>0; ?3>F4/F5>?2, and 2.0<F/#. Each of the first lens, the third lens, the fourth lens, and the fifth lens is made of glass, each of the second lens and the sixth lens is made of plastic.

Abstract: A method of processing and storing general data by means of hardware obtains initial unhashed data and a fixed value. If a value of the initial unhashed data is greater than the fixed value, the initial data is divided into N sub-data or segments. A size of each sub-data is not more than the fixed value, N being an integer greater than 1. The collection of sub sets of data is input into a memory of the electronic device after hashing.

Abstract: A method for assisting a driver to drive a vehicle in a safer manner includes capturing images of road in front of the vehicle, and identifying a traffic sign in the images. A first image frame is captured at a first time and a second image frame is captured at a later second time when the images do comprise the traffic sign. A change in size or other apparent change of the traffic sign from the first image frame to the second image frame is determined, and conformity or non-conformity with a predetermined rule is then determined. The traffic sign can be analyzed and recognized to trigger the vehicle to perform an action accordingly when conformity is found. A device providing assistance with driving is also provided.

Abstract: The present disclosure relates to a solar battery. The solar battery comprises a semiconductor structure, a back electrode, and an upper electrode. The semiconductor structure defines a first surface and a second surface. The semiconductor structure comprises an N-type semiconductor layer and a P-type semiconductor layer. The back electrode is located on the first surface. The upper electrode is located on the second surface. The back electrode comprises a first carbon nanotube, the upper electrode comprises a second carbon nanotube, and the first carbon nanotube intersects with the second carbon nanotube. A multilayer structure is formed by an overlapping region of the first carbon nanotube, the semiconductor structure and the second carbon nanotube.

Abstract: A method for obtaining metallic carbon nanotubes is provided. An insulating substrate comprising hollow portions and non-hollow portions is provided. A plurality of electrodes is formed on a surface of the non-hollow portions. A plurality of carbon nanotubes is formed on a surface of the insulating substrate, and the carbon nanotubes stretch across the hollow portions. The insulating substrate, the plurality of electrodes and the carbon nanotubes are placed into a cavity, and the cavity is evacuated. A voltage is applied between any two electrodes, and photos of carbon nanotubes suspended between the two electrodes are taken. In the photo, darker ones are semiconducting carbon nanotubes, and brighter ones are metallic carbon nanotubes. Finally, the semiconducting carbon nanotubes are removed.

Abstract: A supercapacitor is provided. The supercapacitor includes an elastic fiber, an internal electrode, a first electrolyte layer, and an external electrode. The internal electrode, the first electrolyte layer, and the external electrode are sequentially wrapped on an outer surface of the elastic fiber. The internal electrode includes a first carbon nanotube film and a NiO@MnOx composite structure, and the external electrode includes a second carbon nanotube film and a Fe2O3 layer.

Abstract: A method for controlling interfacial thermal resistance is provided. The method includes: providing a metallic thermal conductor and a non-metallic thermal conductor, the metallic thermal conductor and the non-metallic thermal conductor are in direct contact with each other to form an interface; and varying an electric field at the interface to modulate the interfacial thermal resistance at the interface.

Abstract: A method of making carbon nanotubes is provided, the method includes depositing a catalyst layer on a substrate, placing the substrate having the catalyst layer in a reaction furnace, heating the reaction furnace to a predetermined temperature, introducing a carbon source gas and a protective gas into the reaction furnace to grow a first carbon nanotube segment structure comprising a plurality of metallic carbon nanotube segments, and applying a pulsed electric field to grow a second carbon nanotube segment structure from the plurality of metallic carbon nanotube segments, where the pulsed electric field is a periodic electric field including a plurality of positive electric field pulses and a plurality of negative electric field pulses alternately arranged, and the second carbon nanotube segment structure includes a plurality of semiconducting carbon nanotube segments.

Abstract: A cavity blackbody radiation source is provided. The cavity blackbody radiation source comprises a blackbody radiation cavity and a carbon nanotube composite material. The blackbody radiation cavity comprises an inner surface. The carbon nanotube composite material is located on the inner surface. The carbon nanotube composite material comprises a black lacquer and a plurality of carbon nanotubes, and the plurality of carbon nanotubes is dispersed in the black lacquer.

Abstract: A cavity blackbody radiation source is provide. The cavity blackbody radiation source comprises a blackbody radiation cavity and a carbon nanotube composite material. The blackbody radiation cavity comprises an inner surface. The carbon nanotube composite material is located on the inner surface. The carbon nanotube composite material comprises a black lacquer and a plurality of carbon nanotubes, and the plurality of carbon nanotubes is in an upright state in the black lacquer.

Abstract: An imaging optical system includes a primary reflecting mirror, a secondary reflecting mirror, a tertiary reflecting mirror, and an aperture stop. The imaging optical system has a field of view, a focal length of the field of view that is defined as FFL, and an effective aperture of a field of view entrance pupil that is defined as FEPD. The FFL and the FEPD at a central field of view are greater than that at the edge field of views, and the FFL and the FEPD change continuously.