Abstract: According to the present disclosure, there is provided a device (2) and a method for measuring a wavelength for a laser device. The device (2) for measuring a wavelength for a laser device includes: a first optical path assembly and a second optical path assembly. The first optical path assembly and the second optical path assembly constitute a laser wavelength measurement optical path. The second optical path assembly includes: an FP etalon assembly (11) and an optical classifier (13). The homogenized laser beam passes through the FP etalon assembly (11) to generate an interference fringe. The optical classifier (13) is arranged after the FP etalon assembly (11) in the laser wavelength measurement optical path, and configured to deflect the laser beam passing through the FP etalon assembly (11).

Abstract: Disclosed is a method for preparing a nano-porous carbon material, comprising the following steps of: mixing polypyrrole nano-fibers with an activator, conducting microwave heating for reaction, and purifying to obtain the nano-porous carbon material. Compared with a conventional high-temperature carbonization method, the method for preparing the nano-porous carbon material of the present disclosure is simple in raw material, convenient to operate, less in time consumption and more suitable for mass preparation and production of the nano-porous carbon materials.

Abstract: The present application discloses a cerebral perfusion state classification apparatus and method, a device, and a storage medium. The method includes: acquiring, by a transceiving module, cervical blood flow data from an ultrasound data collecting device; determining, by a processor, cerebral perfusion data corresponding to the cervical blood flow data based on the cervical blood flow data and a mapping relationship between the cervical blood flow data and the cerebral perfusion data, and classifying cerebral perfusion states of a plurality of brain regions based on blood perfusion characteristics of the plurality of brain regions in the cerebral perfusion data.

Abstract: A terminal structure of a bidirectional switching device, where the terminal structure can include: a field plate located on a top surface of a well region and between a first voltage-withstand region and a second voltage-withstand region, where the bidirectional switching device comprises the well region, and the first and second voltage-withstand regions located in the well region; and where a potential is connected to the field plate, in order to decrease an electrical leakage of a parasitic transistor, where the parasitic transistor is formed by the first voltage-withstand region, the well region, and the second voltage-withstand region.

Abstract: The present disclosure discloses an indoor unit of an air conditioner and an air conditioner. The indoor unit of the air conditioner includes an indoor unit housing, a heat exchanger, a conduit and one or more storage parts provided outside the indoor unit housing and/or inside the indoor unit housing, wherein one end of the conduit is connected to a liquid separator of the heat exchanger, the other end of the conduit is connected to a gas collecting pipe of the heat exchanger, and the conduit is used for heat exchange with the one or more storage parts.

Abstract: A method and device are for adjusting air volume of an air conditioner are provided, that use a computer readable storage medium. The air conditioner includes an indoor unit with a vase-shaped housing, wherein the vase-shaped housing includes a bottle mouth and where an air outlet of the indoor unit is provided at the bottle mouth of the vase-shaped housing. A liftable cover plate is provided at the air outlet of the indoor unit. The method includes obtaining specified air volume, obtaining curved surface features of an inner wall at the bottle mouth of the vase-shaped housing and cover plate specifications of the cover plate, and adjusting an actual height of the cover plate according to the specified air volume, the curved surface features, and the cover plate specifications.

Abstract: Disclosed is a method for preparing a nano-porous carbon material, comprising the following steps of: mixing polypyrrole nano-fibers with an activator, conducting microwave heating for reaction, and purifying to obtain the nano-porous carbon material. Compared with a conventional high-temperature carbonization method, the method for preparing the nano-porous carbon material of the present disclosure is simple in raw material, convenient to operate, less in time consumption and more suitable for mass preparation and production of the nano-porous carbon materials.

Abstract: A sealing pressing head for a conventional triaxial test of cuboid rocks with pre-existing fissures, and a test method, the sealing pressing head comprising an upper pressing head (14) and a lower pressing head (15); the upper pressing head (14) and the lower pressing head (15) are respectively used for being provided at upper and lower ends of a test sample (10); the upper pressing head (14) comprises a circular portion (2) and a square portion (1) which are provided in sequence from top to bottom; and the lower pressing head (15) comprises a square portion (1), a circular portion (2) and a threaded portion (3) which are provided in sequence from top to bottom.

Abstract: Provided are a suspension device of a monorail crane and a monorail crane. The suspension device includes a suspension box and at least one set of suspension wheels; the suspension box is provided with a receiving groove for receiving at least one set of the suspension wheels; the receiving groove is provided with a first suspension wheel and a second suspension wheel; a first gap is formed the first suspension wheel and the second suspension wheel; the monorail includes at least a first track on which the first suspension wheel is placed and a second track on which the second suspension wheel is placed; a spacer is provided between the first track and the second track; the first gap can accommodate at least the spacer; the suspension devices each further includes a braking mechanism fixed to the suspension box.

Abstract: The present disclosure discloses an indoor unit of an air conditioner and an air conditioner. The indoor unit of the air conditioner includes an indoor unit housing, a heat exchanger, a conduit and one or more storage parts provided outside the indoor unit housing and/or inside the indoor unit housing, wherein one end of the conduit is connected to a liquid separator of the heat exchanger, the other end of the conduit is connected to a gas collecting pipe of the heat exchanger, and the conduit is used for heat exchange with the one or more storage parts.

Abstract: A lifting mechanism includes a lifting beam, a hanging portion suspended below the lifting beam and including a hanging base, a hanging chain, a movable sprocket disposed on the hanging base, a distance adjusting sprocket, and a power mechanism. The distance adjusting sprocket and the power mechanism are arranged side by side and separately on the lifting beam. The power mechanism includes a fixed sprocket and a driving portion. The fixed sprocket is driven by the driving portion to drive the hanging chain to move, so as to lift or lower the hanging portion. An end of the hanging chain is fixed to the lifting beam, and the other end of the hanging chain engages the movable sprocket, the fixed sprocket, and the distance adjusting sprocket, or the other end of the hanging chain engages the movable sprocket, the distance adjusting sprocket, and the fixed sprocket.

Abstract: A method and device are for adjusting air volume of an air conditioner are provided, that use a computer readable storage medium. The air conditioner includes an indoor unit with a vase-shaped housing, wherein the vase-shaped housing includes a bottle mouth and where an air outlet of the indoor unit is provided at the bottle mouth of the vase-shaped housing. A liftable cover plate is provided at the air outlet of the indoor unit. The method includes obtaining specified air volume, obtaining curved surface features of an inner wall at the bottle mouth of the vase-shaped housing and cover plate specifications of the cover plate, and adjusting an actual height of the cover plate according to the specified air volume, the curved surface features, and the cover plate specifications.

Abstract: The present disclosure discloses a suspension device of a monorail crane and a monorail crane. The suspension device the suspension device comprises a suspension box and at least one set of suspension wheels; the suspension box is provided with a receiving groove for receiving at least one set of the suspension wheels; the receiving groove is provided with a first suspension wheel and a second suspension wheel; a first gap is formed the first suspension wheel and the second suspension wheel; the monorail comprises at least a first track on which the first suspension wheel is placed and a second track on which the second suspension wheel is placed; a spacer is provided between the first track and the second track; the first gap can accommodate at least the spacer; the suspension devices each further comprises a braking mechanism fixed to the suspension box.

Abstract: Embodiments of the present disclosure provide a device and a method for detecting breakage of a substrate and a substrate transfer system. The device includes a first electrode and a second electrode arranged oppositely, a power source, and a detector. The power source may provide an alternating current voltage to the first electrode and the second electrode. The detector is arranged between the power source and the first electrode or the second electrode and may detect, when the substrate is placed between the first electrode and the second electrode, a current value in the substrate, and determine whether the substrate is damaged based on the detected current value.