Abstract: A high-pressure gas cylinder valve for vehicle includes a valve seat having a gas charging runner and a gas supplying runner. A check valve is connected in series onto the gas charging runner, and the check valve and a solenoid valve are connected in series sequentially onto the gas supplying runner in a gas flow direction. A portion of the gas supplying runner located downstream of the solenoid valve is jointly connected to a portion of the gas charging runner adjacent to a gas inlet end and supplies gas to outside through a gas inlet of the gas charging runner when the gas supplying runner supplies gas. The gas cylinder valve further includes a flow-blocking buffer structure connected in series onto the gas supplying runner and located downstream of the solenoid valve and upstream of an intersection of the gas supplying runner and the gas charging runner.

Abstract: A method, an apparatus and a device for simultaneously sampling multiples signals and a medium are provided. The method includes: modulating multiple target input signals with CDM, to obtain a single target analog signal; performing ?? modulation on the single target analog signal to obtain a target digital bit stream; demodulating the target digital bit stream to obtain a target demodulated bit stream; and filtering the target demodulated bit stream to obtain multiple target output signals. With the method, the hardware overhead for simultaneous sampling of multiple-channel signals is reduced while ensuring accuracy. Accordingly, the apparatus and the device, and the medium have the above beneficial effects.

Abstract: A method is provided and includes several operations: arranging multiple channels extending in a first direction; arranging, in accordance with multiple weights of multiple macros, a first portion of the macro closer to a centroid of a core region of an integrated circuit than a second portion of the macros; and arranging the macros on opposite sides of the channels. The macros have multiple pins coupled to the channels interposed between the macros.

Abstract: A method for atomic layer etching a metal containing layer is provided. At least a region of a surface of the metal containing layer is modified to form a modified metal containing region by exposing a surface of the metal containing layer to a modification gas, wherein adjacent to the modified metal containing region remains an unmodified metal containing region. The modified metal containing region is selectively removed with respect to the unmodified metal containing region by exposing the surface of the metal containing layer to an inert bombardment plasma generated from an inert gas.

Abstract: A rebalance method for blockchain-based decentralized file system is provided, and the method includes an encoded data rebalance method of a deleted node, and the encoded data rebalance method of the deleted node includes: broadcasting a codeword of the deleted node to all remaining nodes when one node of a node set is deleted; and decoding based on a current storage content and the codeword transmitted from the deleted node by each remaining node using a decoding function to obtain a data packet of each remaining node, and storing the data packet into each remaining node, to thereby generating a distributed target file storage system. The method can correct data skew and reduce replication factors while reducing a communication load of transmission codes during a rebalance phase, thereby ensuring optimal performance of the decentralized file system.

Abstract: A display device, a method, and a non-transitory computer readable medium for modulating capturing view are provided, the display device is wearable on a user's head and includes an image capturing module, a motion capturing module, and a control module; the image capturing module captures an environment image, the image capturing module is movably arranged; the motion capturing module obtains an inclined angle through measuring a posture of the user's head; the control module compares the inclined angle to a predetermined angle, to obtain an angle difference between the inclined angle and the predetermined angle, and controls the image capturing module to move to adjust a position when the angle difference is greater than an angle threshold value, rendering a degree of overlapping of a field of view of the image capturing module and a field of view of the user reaches a predetermined degree of overlapping.

Abstract: A method for designing a freeform concave grating imaging spectrometer includes selecting a series of light rays incident from different positions of a slit as characteristic light rays. The coordinates and normal directions of characteristic data points at intersections of the characteristic light rays and a surface of a freeform concave grating are calculated. A freeform surface shape of the freeform concave grating is obtained by fitting, so that an initial structure is obtained. Then the initial structure is optimized.

Abstract: The present application relates to a nonsymmetric freeform surface optical system including a primary reflecting mirror, a secondary reflecting mirror, and a tertiary reflecting mirror. A light beam from an object is reflected on the primary reflecting mirror to form a first reflected light beam, the first reflected light beam irradiates the secondary reflecting mirror and is reflected to form a second reflected light beam, the second reflected light beam irradiates the third reflecting mirror and is reflected to form a third reflected light beam, and the third reflected light beam reaches an image surface to form an image. The nonsymmetric freeform surface optical system has no rotational symmetry and no meridional symmetry.

Abstract: The disclosure describes various aspects of a cryogenic trapped-ion system. In an aspect, a method is described that includes bringing a chain of ions in a trap at a cryogenic temperature, the trap being a micro-fabricated trap, and performing quantum computations, simulations, or both using the chain of ions in the trap at the cryogenic temperature. In another aspect, a method is described that includes establishing a zig-zag ion chain in the cryogenic trapped-ion system, detecting a change in a configuration of the zig-zag ion chain, and determining a measurement of the pressure based on the detection in the change in configuration. In another aspect, a method is described that includes measuring a low frequency vibration, generating a control signal based on the measurement to adjust one or more optical components, and controlling the one or more optical components using the control signal.

Abstract: The present application relates to a method for designing a nonsymmetric freeform surface optical system, and the method including the following steps establishing an initial plane system. The initial plane system is consistent with the expected system structure, but there is no focal power in the initial plane system. The image plane tilt angle of the initial plane system is defined as ?. The point-by-point method is used to calculate the coordinates and normal vectors of the data points used to construct the freeform surface. The iterative optical system is obtained by iteration; and the iterative optical system is optimized.

Abstract: A method for designing a freeform concave grating imaging spectrometer includes selecting a series of light rays incident from different positions of a slit as characteristic light rays. The coordinates and normal directions of characteristic data points at intersections of the characteristic light rays and a surface of a freeform concave grating are calculated. A freeform surface shape of the freeform concave grating is obtained by fitting, so that an initial structure is obtained. Then the initial structure is optimized.

Abstract: The present application relates to a nonsymmetric freeform surface optical system including a primary reflecting mirror, a secondary reflecting mirror, and a tertiary reflecting mirror. A light beam from an object is reflected on the primary reflecting mirror to form a first reflected light beam, the first reflected light beam irradiates the secondary reflecting mirror and is reflected to form a second reflected light beam, the second reflected light beam irradiates the third reflecting mirror and is reflected to form a third reflected light beam, and the third reflected light beam reaches an image surface to form an image. The nonsymmetric freeform surface optical system has no rotational symmetry and no meridional symmetry.

Abstract: A medical device, a medical device system and a monitor are provided. The medical device is provided with an audio acquisition apparatus and a processor. A user can operate, by means of a voice, the medical device to execute a medical process including several medical actions. Specifically, the user inputs a voice signal carrying a medical process instruction to the medical device. After acquiring the voice signal, the audio acquisition apparatus sends the voice signal to the processor, the processor determines the corresponding medical actions for the medical process instruction in the voice signal according to a preset correspondence between the medical process instruction and the medical actions, and controls execution of the medical actions. Hence, the user can operate the medical device by using the voice, without manually performing a contact operation, so that the operating method is more efficient and convenient.

Abstract: A freeform concave grating imaging spectrometer includes a slit, a freeform concave grating, and an image surface. The lights incident from the slit is irradiated on the freeform concave grating to be dispersed and reflected, to form a reflected light beam. The reflected light beam is irradiated on the image surface, so that the lights of different wavelengths incident from the slit are separated and imaged on the image surface.

Abstract: An optical gateway includes a light sensor unit, comprising at least one light sensor, configured to sense state information of a signal lamp of an external test device; a control unit, connected to the light sensor unit, and configured to obtain the state information of the signal lamp; and a communication unit, connected to the control unit and configured to send the status information of the signal lamp to an external cloud server. The invention also provides a remote monitoring system, and the user can obtain the state information of the external test device from the cloud server, and monitor the working state of the external test device in real time through the optical gateway and the remote monitoring system.

Abstract: A medical operation recording method performed by a medical device and a medical device are disclosed. In the method, operation information of a medical operation that includes operation content and operation occurrence time, can be obtained based on a voice signal or gesture inputted by a user. Then operation information of this medical operation can be recorded. Compared with a method for manually recording the medical operation and then scanning same into related medical device, such method can accurately and timely recording the operation information even when a recorder is far away from the medical device, thus improving the user experience.

Abstract: This disclosure provides a monitor, and a method performed by the monitor for displaying one or more physiological sign parameters and medication information in association. The monitor includes a physiological data monitoring device, a processor, a display, and a communication unit. The physiological data monitoring device is used for monitoring the one or more physiological sign parameters of a monitored object, and the communication unit is used for receiving the medication information from an infusion pump. The processor is used for controlling the display screen for displaying the physiological sign parameters and the medication information in association on the monitor.

Abstract: There is disclosed a cryo-carrier comprising a carrier region having a plurality of grids, the carrier region having an embryo placement portion for supporting at least one embryo and a non-embryo placement portion surrounding the embryo placement portion. The non-embryo placement portion is filled with a support sheet so that it is stronger than the embryo placement portion, thereby supporting it.

Abstract: The disclosure describes various aspects of a cryogenic trapped-ion system. In an aspect, a method is described that includes bringing a chain of ions in a trap at a cryogenic temperature, the trap being a micro-fabricated trap, and performing quantum computations, simulations, or both using the chain of ions in the trap at the cryogenic temperature. In another aspect, a method is described that includes establishing a zig-zag ion chain in the cryogenic trapped-ion system, detecting a change in a configuration of the zig-zag ion chain, and determining a measurement of the pressure based on the detection in the change in configuration. In another aspect, a method is described that includes measuring a low frequency vibration, generating a control signal based on the measurement to adjust one or more optical components, and controlling the one or more optical components using the control signal.

Abstract: A medical apparatus, comprising: a memory, which pre-stores multiple working modes, wherein the working modes comprise a plurality of workflows, tools associated with the workflows, and constraint relationships for executing the workflows; and a processor, if the working state of the medical device meets a switching condition, switching is performed among multiple working modes; when a switched working mode is executed, each workflow is executed in sequence according to constraint conditions for executing each workflow in a workflow set, and when each workflow is executed, the tools associated with the workflows are called.