Abstract: An ear cleaning device relating to a technology of medical auxiliary equipment is provided, the ear cleaning device includes a bottle body, a spray assembly, and a temperature display assembly arranged on the bottle body. The temperature display assembly includes a temperature sensor and a display screen electrically connected with the temperature sensor, The temperature sensor is arranged in the bottle body and is configured to detect temperature of liquid in the bottle body, and the display screen is configured to display the temperature. The spray assembly is connected to a nozzle and a straw, and the straw extends into the bottle body. The ear cleaning device displays the temperature of the current liquid in real time, which facilitates the control of the temperature of the liquid during a washing process.

Abstract: An ear, nose, and throat irrigator includes a bottle body, a housing; a water pump, a first tube body, a second tube body, and a shielding cover. A first end of the housing is connected with the bottle body. A spray head is arranged on a second end of the housing. The water pump is arranged in the housing. A first end of the first tube body is inserted into the bottle body. A second end of the first tube body is connected with a water inlet joint of the water pump. A first end of the second tube body is connected with a water outlet joint the water pump. A second end of the second tube body is connected with the spray head. The shielding cover is arranged on the spray head. The shielding cover is configured to shield water sprayed from the spray head.

Abstract: Disclosed are a method and a device for reconstructing a spectrum, a spectrometer, a computer-readable storage medium, and an electronic device, and solves a problem of poor anti-noise ability of the method for reconstructing a spectrum. According to a feature that a spectrum must be positive, the present application converts the negative spectral value in the spectral data to be processed into positive spectral value by the objective function, so that the anti-noise ability of an iterative solution process of the objective function may be improved, and thus accuracy of the reconstructed spectral data may be improved.

Abstract: Disclosed is a short-wave infrared spectrum detector, including: a photosensitive chip, including a plurality of detection pixels; a substrate; and a wavelength division component array, including a plurality of wavelength division pixels, each of the plurality of wavelength division pixels corresponding to a narrowband transmission spectrum, wherein the photosensitive chip and the wavelength division component array are monolithically integrated on both sides of the substrate, and an orthographic projection of each of the plurality of wavelength division pixels on the substrate covers an orthographic projection of at least one detection pixel on the substrate. The wavelength division structure and the photosensitive chip are integrated, so that each pixel has the ability of frequency-selective light spectrum detection, and a short-wave infrared spectrum detector integrated with wavelength division and detection is formed, realizing the miniaturization of the short-wave infrared spectral detection system.

Abstract: Provided are a traditional Chinese medicine for dispersing lung qi and detoxicating, a preparation method therefor, use thereof, and an analysis method. The traditional Chinese medicine contains a traditional Chinese medicine active extract. The active extract is composed of a first extract and, a second extract, herein the first extract is a water extract or an alcohol-water extract of ephedra, bitter apricot seed, raw gypsum, coix seed, rhizome of swordlike atractylodes, patchouli, Polygonum cuspidatum, verbena, reed rhizome, lepidium seed, pummelo peel, and artemisia annua, the second extract is a water extract or an alcohol-water extract of licorice, and the first extract and the second extract are separately obtained. This traditional Chinese medicine may be used for treating coronavirus diseases, such as novel coronavirus pneumonia.

Abstract: An ear, nose, and throat irrigator includes a bottle body, a housing; a water pump, a first tube body, a second tube body, and a shielding cover. A first end of the housing is connected with the bottle body. A spray head is arranged on a second end of the housing. The water pump is arranged in the housing. A first end of the first tube body is inserted into the bottle body. A second end of the first tube body is connected with a water inlet joint of the water pump. A first end of the second tube body is connected with a water outlet joint the water pump. A second end of the second tube body is connected with the spray head. The shielding cover is arranged on the spray head. The shielding cover is configured to shield water sprayed from the spray head.

Abstract: The present disclosure provides a horn assembly and a dual-listening Bluetooth headset. The horn assembly comprising a housing and a horn. The dual-listening Bluetooth headset includes a horn assembly, the sound outlet of the horn assembly does not need to be inserted into the ear canal, but only needs to be hung on the outer ear. It is more comfortable to wear and submit. The sound from the horn assembly is transmitted along the air through the sound outlet in the area near the ear, which can relieve the stethoscope effect and the head effect.

Abstract: A method for preparing titanium dioxide-based synthetic paper capable of degrading organic pollutants, including: adding thermoplastic polyurethane particles and N,N-dimethylformamide or N,N-dimethylacetamide in a reactor, heating, and stirring to fully dissolve the thermoplastic polyurethane particles in a solvent to obtain a polyurethane solution; adding titanium dioxide powder having photocatalytic degradation property in the polyurethane solution, stirring uniformly to obtain a solid-liquid mixture, and standing for defoaming; uniformly coating the solid-liquid mixture onto a piece of release paper, soaking the release paper coated with the solid-liquid mixture into an aqueous solution of sliver nitrate having photocatalytic degradation property, completely curing the solid-liquid mixture to form a film, and soaking the release paper and the film into an aqueous solution of sodium chloride; drying, cooling, removing the release paper, and cutting the film to a proper size to obtain the titanium dioxide-ba

Abstract: The present disclosure provides a horn assembly and a dual-listening Bluetooth headset. The horn assembly comprising a housing and a horn. The dual-listening Bluetooth headset includes a horn assembly, the sound outlet of the horn assembly does not need to be inserted into the ear canal, but only needs to be hung on the outer ear. It is more comfortable to wear and submit. The sound from the horn assembly is transmitted along the air through the sound outlet in the area near the ear, which can relieve the stethoscope effect and the head effect.

Abstract: A method for preparing active carbon-based special synthetic paper capable of degrading harmful substances in environment, including: stirring polyurethane particles and a solvent in a reactor, and standing to completely dissolve the polyurethane particles to obtain a polyurethane solution; adding active carbon having harmful substances adsorption property in the obtained polyurethane solution, stirring and mixing uniformly to obtain a solid-liquid mixture; coating the obtained solid-liquid mixture onto a piece of release paper, soaking the release paper coated with the solid-liquid mixture into an aqueous solution of silver nitrate having photocatalytic degradation property, completely curing the solid-liquid mixture to form a film, and soaking the release paper and the film into an aqueous solution of sodium chloride; drying the obtained release paper and the film in an electric blast drying oven, and stripping the film from the release paper to obtain the active carbon-based special synthetic paper.

Abstract: The present invention discloses a method for preparing titanium dioxide-based synthetic paper, comprising steps of using titanium dioxide and polyurethane as main raw materials, stirring and mixing titanium dioxide powder and the prepared polyurethane solution, subsequently curing to form a film to obtain the titanium dioxide-based synthetic paper. The synthetic paper product of the present invention is of a porous structure which facilitates the adsorption of organic pollutants in the indoor air. During the production, lots of pores are formed both on the surface of the synthetic paper and inside the synthetic paper, by which the adsorption of the organic pollutants in the indoor air by the synthetic paper is improved greatly. It can effectively degrade organic pollutants under mild conditions. Inorganic filler can degrade the organic pollutants adsorbed onto the surface of the synthetic paper and inside the synthetic paper, with only nontoxic substance generated.

Abstract: The present invention discloses a method for preparing active carbon-based special synthetic paper, comprising stirring polyurethane particles and a solvent in a reactor, and standing to completely dissolve the polyurethane particles to obtain a polyurethane solution; adding active carbon in the obtained polyurethane solution, stirring and mixing uniformly to obtain a solid-liquid mixture; coating the obtained solid-liquid mixture onto a piece of release paper, soaking the release paper and the solid-liquid mixture into an aqueous solution of silver nitrate, completely curing the solid-liquid mixture to form a film, and soaking the release paper and the film into an aqueous solution of sodium chloride; drying the obtained release paper and the film in an electric blast drying oven, and stripping the film from the release paper to obtain the active carbon-based special synthetic paper. In the present invention, the adsorption of harmful substances in the environment is greatly improved.

Abstract: A ventilation device comprises: a body, a fan disposed In the body, and an adapter connected with an air outlet of the body. Two or more pipe coupling parts are disposed in sequence from a side of an air Inlet of the adapter to a side of an air outlet of the adapter, and each pipe coupling part is provided with a protruding circular ring with a diameter larger than that of the respective pipe coupling part at a root thereof. An air guide structure Is disposed in the adapter, a pipe is fitted over the pipe coupling part and Is abutted against the protruding circular ring located at the root to be fixed, and the air guide structure Is engaged to an inside of the protruding circular ring of the adapter.

Abstract: A message processing method is provided. The method includes the following steps. A message containing flag information is received. The received message containing the flag information is identified. If the message is a real-time message, the message is sent. If the message is a non-real time message, the non-real time message sent from a sender is combined and sent. A message processing system and a message combining device are further provided. Through the method, the device, and the system, the real-time messages are immediately delivered to subscribers, various types of non-real time messages are combined, converted to one or more messages, and delivered to the subscribers according to time assigned by the subscribers, thereby clearing a message space, and preventing interference to the subscribers.

Abstract: A ventilation device comprises: a body, a fan disposed in the body, and an adapter connected with an air outlet of the body. Two or more pipe coupling parts are disposed in sequence from a side of an air inlet of the adapter to a side of an air outlet of the adapter, and each pipe coupling part is provided with a protruding circular ring with a diameter larger than that of the respective pipe coupling part at a root thereof. An air guide structure is disposed in the adapter, a pipe is fitted over the pipe coupling part and is abutted against the protruding circular ring located at the root to be fixed, and the air guide structure is engaged to an inside of the protruding circular ring of the adapter. The ventilation device according to the present invention has the following advantages. Pipes with different outer diameters can be conveniently installed to the ventilation device. In addition, excellent seal and reduction of air resistance and noise can be achieved.

Abstract: A message processing method is provided. The method includes the following steps. A message containing flag information is received. The received message containing the flag information is identified. If the message is a real-time message, the message is sent. If the message is a non-real time message, the non-real time message sent from a sender is combined and sent. A message processing system and a message combining device are further provided. Through the method, the device, and the system, the real-time messages are immediately delivered to subscribers, various types of non-real time messages are combined, converted to one or more messages, and delivered to the subscribers according to time assigned by the subscribers, thereby clearing a message space, and preventing interference to the subscribers.