Abstract: A holographic grating imaging spectrometer, comprises a slit, at least one reflector, a holographic grating, an aperture stop and a detector. The holographic grating is formed on the at least one reflector. The aperture stop is arranged on the at least one reflector. The holographic grating is formed by a holographic grating exposure system. The holographic grating exposure system comprises a first coherent light source, a second coherent light source and at least one freeform surface auxiliary mirror. The at least one freeform surface auxiliary mirror is arranged between the first coherent light source and the at least one reflector.

Abstract: A method for assessing the oxidation states of a protein in a sample, the method comprising the steps of contacting the sample with a first label adapted to selectively bind to at least one reduced cysteine group of the protein therein to form a first labelled sample; forming a sub-sample of the first labelled sample; treating the sub-sample to selectively reduce at least one reversibly oxidised cysteine group of the protein therein to form a treated sub-sample; contacting the treated sub-sample with a second label adapted to selectively bind to a reduced cysteine group of the protein to form a second labelled sample; and assessing the first and second labelled samples for a plurality of oxidation states of the protein.

Abstract: A nozzle assembly and an electric flusher applying same, comprising a nozzle body and a water diversion tip, wherein the water diversion tip comprises a installation and flow channel portion and a spherical end portion connected in sequence, the installation and flow channel portion penetrates and is in a main flow channel pipe body of the nozzle body, liquid in the main flow channel pipe body can flow directionally along a side of the installation and flow channel portion, the spherical end portion is supported by the installation and flow channel portion outside a port of the main flow channel pipe body of the nozzle body, the spherical end portion of the water diversion tip and the port of the main channel pipe body of the nozzle body decide a spray separation, and the liquid in the main flow channel pipe body is sprayed out from the spray separation.

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: 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: Disclosed are a composition containing 7-ethyl-10-hydroxycamptothecin, and a preparation method therefor and the use thereof. The composition contains SN-38, a lipid, albumin and Span 20.

Abstract: A medical device and an information display method are disclosed. The medical device includes a memory for storing an executable program, a processor and a display. The processor is used for executing the executable program to perform following operations: acquiring patient data of a patient, which includes monitoring data of one or more vital sign parameters of the patient; analyzing the patient data according to preset rules to obtain the patient state of the patient and a comparison result of at least one vital sign parameter associated with the patient state and a preset alarm condition; and presenting in the display the patient state on a human body diagram, and via text or graphics, the comparison result of the at least one vital sign parameter associated with the patient state and the preset alarm condition.

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: 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 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: 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.