Abstract: Disclosed is a synchronous and dynamic loading method in electro-magneto-thermo-mechanical multi-field coupling conditions. The method comprises the following steps: applying maximum pulse current to a test object by a pulse power supply to realize loading in extreme electric field and magnetic field conditions; meanwhile, generating a large amount of friction heat by the high-speed rotation of a rotating body and the friction of the test object to realize loading in an extreme-temperature field combined with a large amount of Joule heat and arc heat; synchronously applying pressure to the rotating body by a pressure device to realize loading of extreme force combined with the gravity of the rotating body and the friction force between the rotating body and the test object.

Abstract: The present disclosure discloses a distributed capacitance energy absorption verification device, which belongs to the field of direct-current high-voltage surge suppression. The distributed capacitance energy absorption verification device mainly includes a direct-current high-voltage generator, a high-voltage switch, a high-voltage capacitor bank, an isolation transformer, an energy absorption device, a high-voltage sphere gap short-circuit switch and other components. The high-voltage capacitor bank is used for simulating a distributed capacitance, and the high-voltage sphere gap short-circuit switch is used for simulating a short-circuit fault of a direct-current high-voltage system, thereby implementing performance verification of the energy absorption device.

Abstract: Disclosed is an electro-magneto-thermo-mechanical dynamic and synchronous loading device based on a wedge-shaped rotating body. The device comprises a carrier, a wedge-shaped rotating body and a pulse power supply, wherein the wedge-shaped rotating body is positioned above the carrier, the pulse power supply is connected to the carrier and the wedge-shaped rotating body through conductors, a test object is fixed on the carrier, the top of the wedge-shaped rotating body is connected to the output end of a driving shaft through a transmission shaft, the driving shaft drives the wedge-shaped rotating body to rotate and can apply downward pressure, and the wedge-shaped rotating body can be pressed against the test object and rotate on the surface of the test object.

Abstract: Provided is a method for analyzing aliased spectra of alkane gases, including the following steps: firstly separately acquiring second harmonic signals of specified gases at known gas concentrations and calculating an absorbance of each gas; subsequently constructing a low concentration prediction model regarding second harmonic signals and gas concentrations; next constructing a high concentration prediction model regarding absorbances and gas concentrations, immediately followed by acquiring a second harmonic signal of a gas to be measured with an unknown gas concentration and calculating an absorbance of the gas to be measured; and if an absorbance peak of the gas to be measured is less than or equal to a threshold A0, predicting the gas concentration of the gas to be measured using the low concentration prediction model; otherwise, predicting the gas concentration of the gas to be measured using the high concentration prediction model.

Abstract: Disclosed are a LIBS (Laser-Induced Breakdown Spectroscopy) analysis device with auto-focusing and micro-area imaging functions and application of the LIBS analysis device. A device body of the LIBS analysis device includes a mounting seat. A pulse laser, an optical path module and an auto-focusing module are arranged on the mounting seat. The optical path module includes a first mounting box, a second mounting box and a third mounting box. The first mounting box, the second mounting box and the third mounting box are internally provided with a perforated total reflector, a beam splitter and a total reflector, respectively. The auto-focusing module and the pulse laser are respectively arranged on both sides of the first mounting box. An optical fiber coupler is connected to a side face of the second mounting box. A camera is connected to a side face of the third mounting box.

Abstract: A nanonization method for cannabidiol (CBD) includes following steps: the CBD is dissolved in a good solvent to obtain a CBD-good solvent solution, the CBD-good solvent solution is added to aqueous solution of a stabilizer to obtain mixed solution, the mixed solution is ultrasonicated followed by removing the good solvent by rotary evaporation from the mixed solution to obtain a nanosized CBD suspension. The stabilizer includes one or more selected from the group consisting of poloxamer, tween, polyoxyethylene alkyl ether, polyvinyl pyrrolidone, hydroxypropyl methyl cellulose and carboxymethyl chitosan. Particle size of the CBD is reduced in the nanonization method for the CBD through the nanonization of insoluble drugs to obtain the nanosized CBD suspension. In the nanosized CBD suspension, nanosized CBD has high solid content. The nanonization method for the CBD achieves solubilization of the CBD.

Abstract: Provided are a cooperative polarization skylight background radiation measurement device and method, belonging to the field of polarized radiation remote sensing. The device includes a measurement probe, a lower computer control system, a two-dimensional turntable, a base and data transmission interface, as well as an upper computer. The method includes the following steps: the cooperative skylight background radiation polarization measurement device is initialized, a polarization wheel is returned to a zero position, and dark noise is collected by a double-path spectrometer; then a measurement mode is selected for measurement; and finally, spectral polarization data of each wave band acquired by the double-path spectrometer and a division-of-focal plane polarization camera is transmitted to the upper computer through a data line, original spectral light intensity data is calculated according to a measurement principle, and finally a degree of polarization and an azimuth angle of polarization are obtained.

Abstract: A method and a device for cartilage regeneration are provided. The method for cartilage regeneration has steps of: applying a pulse magnetic field with a magnetic pulse device to a body part of a mammal in which an injured cartilage tissue is located, wherein the magnetic pulse device has a magnetic pulse generator and a coil, and by applying a magnetic pulse with a frequency of from 10 Hz to 200 Hz to the coil, a uniform magnetic field distribution is produced in a region of the body part covered by the coil, thereby achieving a uniform magnetically induced electrical excitation. The method can effectively facilitate articular cartilage regeneration, and is convenient to operate, having a broad prospect in clinical applications.

Abstract: Provided are a method and a device for fast focusing by directly detecting target moments. The method includes: generating a setting modulation matrix and loading the modulation matrix to an optical modulator, receiving an optical signal emitted or transmitted by a target object at a current focusing position, and modulating, by the modulation matrix, the optical signal; acquiring a geometric moment value of the target object at the current focusing position according to the modulated optical signal; calculating a central moment; and a focusing position, obtained by refocusing, serving as the current focusing position, returning the optical signal of the target object that is received at the current focusing position and emitted or transmitted by the target object, comparing the central moment corresponding to the target object at all the focusing positions, and determining the focusing position that corresponds to the minimum central moment as the focusing position.

Abstract: Disclosed are a same-path and synchronous detection system and a same-path and synchronous detection method for atmosphere data. The detection system includes an emission unit, a receiving unit and a data processing unit, where the emission unit includes multiple sets of laser devices, which are used for emitting the laser of different wavelengths in a synchronous and same-path manner; the receiving unit includes a receiving telescope, which is symmetrically provided with a plurality of pupils, to receive an echo signal after the laser of different wavelengths interacts with the atmosphere; and the data processing unit is configured to calculate atmosphere data parameters through the echo signal. The synchronous and same-path detection for a plurality of atmosphere data parameters may be implemented in the present disclosure.

Abstract: The present disclosure provides a laser pulse sequence energy correction system and method. The correction system includes a fundamental frequency light source, a control unit, an energy adjusting unit and a frequency multiplication crystal; the fundamental frequency light source is configured to output a fundamental frequency pulse laser, and the frequency multiplication crystal is configured to convert the fundamental frequency pulse laser into a multiple frequency pulse laser; the control unit prestores an energy-time curve of the multiple frequency pulse laser, and the control unit is configured to control the energy adjusting unit to adjust the intensity of the fundamental frequency pulse laser incident on the frequency multiplication crystal according to the energy-time curve, so that energy of each pulse in the multiple frequency pulse laser is identical. The technical solution of the present disclosure has advantages of simple structure, reliable device, convenient adjustment and the like.

Abstract: A device for providing a liquid helium forced flow cooling fluid is provided, including a liquid helium vessel system for heat load, a liquid helium vessel system for circulation pump, a liquid helium vessel system for subcooled helium, and a cold box. The liquid helium vessel system for heat load absorbs the heat load of a cryogenic user; the liquid helium vessel system for circulation pump absorbs the heat load of a circulation pump; the liquid helium vessel system for subcooled helium absorbs the heat load of subcooled helium; the device process pipelines and the cold box achieve a pre-cooling process of a cryogenic user, a pre-cooling and liquid storage process of liquid helium vessels, and a pre-cooling and starting-up process of rotating machines, and provide the liquid helium forced flow cooling fluid to accomplish the operations of a cryogenic user.

Abstract: Disclosed are a system and a method for detecting a centroid of a complementary single pixel. The system includes a lens group, a single-pixel detector assembly, a Digital Micromirror Device (DMD) and an acquisition and processing unit. The acquisition and processing unit generates two-dimensional modulation matrices A and B which are loaded into the DMD; the lens group processes light reflected or transmitted from a target object, such that an image of the target object is imaged on the DMD; and the acquisition and processing unit is connected with data output ends of two single-pixel detectors in respective, to calculate the centroid of the target object. The DMD modulates an image signal of the target object according to modulation information A and B; the single-pixel detector assembly includes a first single-pixel detector and a second single-pixel detector.

Abstract: Disclosed are a system and a method for detecting a centroid of a complementary single pixel. The system includes a lens group, a single-pixel detector assembly, a Digital Micromirror Device (DMD) and an acquisition and processing unit. The acquisition and processing unit generates two-dimensional modulation matrices A and B which are loaded into the DMD; the lens group processes light reflected or transmitted from a target object, such that an image of the target object is imaged on the DMD; and the acquisition and processing unit is connected with data output ends of two single-pixel detectors in respective, to calculate the centroid of the target object. The DMID modulates an image signal of the target object according to modulation information A and B; the single-pixel detector assembly includes a first single-pixel detector and a second single-pixel detector.

Abstract: The present disclosure relates to a magnon spin valve device, a magnon sensor, a magnon field effect transistor, a magnon tunnel junction and a magnon memory. A magnon spin valve device may comprise a first ferromagnetic insulation layer, a non-magnetic conductive layer disposed on the first ferromagnetic insulation layer, and a second ferromagnetic insulation layer disposed on the non-magnetic conductive layer.

Abstract: The present invention relates to an antiviral application of nucleoside analogs. Specifically, the present invention relates to uses of nucleoside analogs and a pharmaceutical composition thereof as: (a) inhibitors for inhibiting the replication of coronaviruses, influenza viruses, respiratory syncytial viruses, flaviviridae viruses, filoviridae viruses and/or porcine epidemic diarrhea virus (PEDV); and/or (b) medicines for treating and/or preventing and mitigating diseases caused by coronavirus, influenza virus, respiratory syncytial virus, flaviviridae virus, filoviridae virus and/or porcine epidemic diarrhea virus (PEDV) infections. The nucleoside analogs according to the invention may treat and/or prevent and mitigate respiratory infection, pneumonia (COVID-19) and other related diseases caused by 2019 novel coronavirus infection.

Abstract: Disclosed are a solid-state microwave source and a branch consistency control method thereof. The branch consistency control method includes: collecting phase information of each branch unit under each of a plurality of preset target powers, and performing phase adjustment for each branch unit based on the phase information under each of the target powers; assembling coarsely-adjusted N branch units, a driver module, a power distribution module, a radial combiner, a circulator, and a waveguide coupler; adjusting a branch power by using the driver module and the power distribution module, to collect the phase information of each branch unit under each of the target powers; and when the phase information of each branch unit under each of the target powers meets a preset condition, performing phase adjustment for the branch unit based on the phase information.

Abstract: Disclosed are an impedance matching apparatus and method for a solid-state microwave source. The impedance matching apparatus is connected to a solid-state microwave source and includes a detection module and a control module. The control module includes a frequency control unit and a power determining unit. The frequency control unit is configured to adjust a current frequency of a phase-locked source of the solid-state microwave source according to a received frequency modulation (FM) instruction. The power determining unit is configured to perform following steps: controlling a driver module of the solid-state microwave source to gradually increase a total incident power, and determining a change trend of a total reflected power of the solid-state microwave source; controlling the driver module to reduce the incident power; setting the FM instruction, and sending the set FM instruction to the frequency control unit.

Abstract: The present disclosure relates to a magnonic magnetoresistance (MMR) device and an electronic equipment including the same. According to one embodiment, a core structure of a MMR device may include: a first ferromagnetic insulating layer (Ferro-magnetic Insulator, FMI1); a two-dimensional conductive material layer (Spacer) set on the first ferromagnetic insulating layer; and a second ferromagnetic insulating layer (Ferro-magnetic Insulator, FMI2) set on the two-dimensional conductive material layer. The MMR device of the present disclosure may enhance interface effect in spin electron transmission and thus improve performance of the MMR device.

Abstract: A method for measuring multiple parameters of mixed gases based on broadband infrared light source is provided, including: filtering a broadband infrared laser, and forming a laser beam including three narrow-linewidth wavelengths; dividing the laser beam into a first sub-laser beam and a second sub-laser beam; focusing and transmitting the first sub-laser beam to a gas sample cell; focusing and transmitting the first sub-laser beam to a first reflector; reflecting and transmitting the first sub-laser beam; reflecting and transmitting the second sub-laser beam to the second beam splitter; combing the first sub-laser beam transmitted by the second beam splitter and the second sub-laser beam reflected by the second beam splitter, measuring the multiple parameters; combining and transmitting the second sub-laser beam transmitted by the second beam splitter and the first sub-laser beam reflected by the second beam splitter to a spectrometer for measuring concentrations the mixed gases.