Abstract: The present invention belongs to the technical field of Cl, Br and I detection, comprising: (1) placing a substance to be determined in a sample container, laying asbestos on the surface of the substance to be determined and then conducting pyrohydrolysis treatment: firstly, optionally, preheating for 3-10 min at 500-600° C., heating for 3-10 min at 700-800° C., and then burning for 10-30 min at 1000-1100° C.; (2) obtaining the standard curves of the corresponding concentration value and the net strength value of each element; and (3) testing the net strength of the liquid in step (1) using ICP-MS combined with an online internal standard method, and combining with the standard curves to obtain the contents of chlorine, bromine and iodine in the substance to be determined. The method of the present invention can avoid a deflagration phenomenon, is simple, rapid and high in detection accuracy.

Abstract: A composition contains ?-glucan and is used for preventing and/or treating hormone-dependent dermatitis, skin mucositis or other skin inflammatory diseases.

Abstract: The present disclosure provides methods, and systems for motion detection in magnetic resonance imaging. The method may include obtaining auxiliary magnetic resonance data of a target object by scanning the target object using an auxiliary sequence inserted in at least two imaging sub-sequences in a magnetic resonance imaging process of the target object, wherein the auxiliary sequence includes a plurality of auxiliary sub-sequences inserted at different positions in the at least two imaging sub-sequences; and determining, based on the auxiliary magnetic resonance data, motion state information of a region of interest of the target object.

Abstract: Disclosed are a defect monitoring apparatus and detection method for a transformer oil conservator based on edge computing. The monitoring apparatus includes: a sensing terminal, an edge intelligent gateway, a monitoring terminal, an oil conservator defect monitoring cloud platform, and a client terminal. The edge intelligent gateway and the monitoring terminal are both disposed in a substation. The monitoring terminal is configured to access the edge intelligent gateway. The sensing terminal includes: an airflow sensor, an oil temperature sensor, an ambient temperature sensor, and a microwave oil level measurement assembly. The sensing terminal sends detection data information to the edge intelligent gateway, and the edge intelligent gateway stores and determines a category of the detection data information. The present disclosure can recognize capsule damage, partial blockage of a breathing circuit, leakage in the breathing circuit, moisture impurities in a breathing tube, and false oil level.

Abstract: The present application discloses an esketamine liquid preparation. The esketamine liquid preparation is an aqueous solution agent, and comprises esketamine or a pharmaceutically acceptable salt, a polyol or a derivative thereof and water. Moreover, the pH value of the liquid preparation is 2.5-5.7. The liquid preparation of the present application is administrated through oral mucosa. The preparation is highly stable, is absorbed quickly, has high bioavailability, and is easy to administer, and the adherence to the preparation is good. The preparation of the present application can be used for preventing, relieving or treating major depression, unipolar depression, refractory depression, intractable depression, anxiety depression and bipolar depression.

Abstract: The present disclosure provides a perfusion culture device, wherein the perfusion culture device may comprise an incubator, a heat dissipation assembly and a plurality of power assemblies; the incubator may include a box body and an inner cavity surrounded by the box body, the plurality of power assemblies may be arranged in the inner cavity, the heat dissipation assembly may be fixed on the box body, and the plurality of power assemblies may be arranged on the heat dissipation assembly.

Abstract: This invention describes method for inactivation of microorganisms in thermostable dry formulations at ambient temperatures (AT) using UV light irradiation. According to this method microorganisms are inactivated at ambient temperatures (AT) in dry formulations where the amount of free radicals formed is relatively small and damage of nucleic acids is the main cause for the microorganism's death. The method will allow production of thermostable inactivated vaccines from wild type and live attenuated microorganisms, thermostable inactivated microbiome products, and thermostable sterilized none-live blood components, therapeutic proteins, antibodies and other fragile biopharmaceuticals.

Abstract: A preparation method of an iron phosphate precursor for batteries is disclosed and includes steps of: (a) providing an iron powder, wherein the iron powder has an apparent density of iron powder ranging from 2.3 g/cm3 to 2.6 g/cm3, and a particle size composed of a first particle-size range and a second particle-size range, the first particle-size range is greater than the second particle-size range, and a weight of the iron powder in the second particle-size range accounts between 10% and 30% of the total weight of the iron powder; (b) providing a phosphoric acid to react with the iron powder to generate a first product; and (c) heat-treating the first product in an air or oxygen atmosphere to form the iron phosphate precursor.

Abstract: A preparation method of an iron phosphate precursor for batteries is disclosed and includes steps of: (a) providing a phosphoric acid and an iron powder, wherein the iron powder has an apparent density of iron powder ranging from 2.3 g/cm3 to 2.6 g/cm3, and a particle size composed of a first particle-size range and a second particle-size range, the first particle-size range is greater than the second particle-size range, and a weight of the iron powder in the second particle-size range accounts between 10% and 30% of the total weight of the iron powder; (b) reacting the phosphoric acid with the iron powder to generate a first product; and (c) heat-treating the first product in an air or oxygen atmosphere to form the iron phosphate precursor.

Abstract: An optical element includes a waveguide body that is configured to guide light by total internal reflection from an input end to an output end, an input coupling element located at the input end for coupling light into the waveguide body, and an output coupling element located at the output end for coupling light out of the waveguide body, where the waveguide body includes an organic solid crystal. The organic solid crystal may be a single crystal having principal axes rotated with respect to the dimensions of the waveguide body. Such an optical element may have low weight and exhibit good color uniformity while providing polarization scrambling of the guided light.

Abstract: A head-mounted display device employs light field directional backlighting to provide three-dimensional (3D) pupil steering without mechanical adjustment while maintaining a compact form factor and performance. An example light field directional backlighting unit includes two substantially flat components: an array of light sources and an array of modulators (e.g., a micro lens array (MLA), a stack of transmissive display elements, a pinhole array, and similar ones). By digitally modifying the illumination pattern on the array of light source and pairing to the light field directional backlighting unit to an extra transmissive display element as the main display panel and one or more viewing optical elements, a light field created by the light field directional backlighting unit is moved in three-dimensional (3D) space to correspond to pupil shift without interfering with the display content.

Abstract: A broadband laser system enhanced in the later part of mid infrared spectrum is provided, which can obtain a high power and wide spectrum laser output enhanced in the later part of mid infrared spectrum, and has the advantages of full fiber, compact structure and high ratio of power in the later part of mid infrared spectrum. It includes a mode-locked fiber laser, a pre amplifier, an optical fiber stretcher, an amplifier, a main amplifier, a first nonlinear optical fiber, a mid infrared amplifier and a second nonlinear optical fiber, which are connected in sequence, and each of them adopts a water cooling device or a thermo electric cooler, and is connected by optical fiber fusion.

Abstract: A system for measuring a satellite ghost efficiency of a diffractive lens is provided. The system includes a light source configured to output a first probing beam, and a beam tweaking assembly disposed between the light source and the diffractive lens, and configured to convert the first probing beam into a second probing beam that is a non-collimated beam. The diffractive lens diffracts the second probing beam into a plurality of diffracted beams including a first diffracted beam of a parent diffraction order and a second diffracted beam of a satellite ghost diffraction order. The beam tweaking assembly includes one or more optical lenses, and an adjustable optical power. The system also includes a detector configured to generate a beam spot pattern including a first beam spot corresponding to the first diffracted beam and a second beam spot corresponding to the second diffracted beam.

Abstract: The disclosure discloses a point-of-interest recommendation method based on a temporal knowledge graph. Based on the historical behavior trajectory of the user and multimodal information, the disclosure constructs a dynamic temporal knowledge graph and a static group knowledge graph, which are used to learn interest preferences of the user that change over time and stable features that do not change over time, respectively. At the same time, the disclosure uses deep learning methods to build a point-of-interest recommendation model, which can extract a point-of-interest fusion feature representation and a user fusion feature representation from the two knowledge graphs in combination with a user review sentiment embedding sequence to accurately predict a point of interest most likely to be visited by the target user at a next moment. The disclosure has the characteristics of high precision and strong scalability, and can provide support for personalized user behavior trajectory prediction.

Abstract: The present invention relates to a trispecific antigen-binding protein, and more specifically to a trispecific antibody specifically binding to two tumor antigens of GPRC5D and BCMA and T cell surface antigen CD3, and a pharmaceutical composition comprising same, a preparation method and the use.

Abstract: The present application relates to a rotational joint and a device having the same. The rotational joint includes a joint housing, a driving device mounted in the joint housing, and an encoder module mounted on the driving device. The driving device includes inner shaft and an outer shaft surrounding the inner shaft and radially spaced apart from the inner shaft. The encoder module includes a first disk assembly configured to rotate synchronously with the outer shaft, a second disk assembly configured to rotate synchronously with the inner shaft, a first sensor assembly disposed adjacent to the first disk assembly to detect movement of a disk of the first disk assembly, and a second sensor assembly disposed adjacent to the second disk assembly to detect movement of a disk of the second disk assembly. A disk surface of the first disk assembly and a disk surface of the second disk assembly are arranged to be coplanar and radially spaced apart by at least a predetermined distance.

Abstract: The present disclosure discloses a method for assessing soil health of cultivated land, which adopts “three sets of dual index assessment systems”, that is an index system for current soil function and a healthy soil function required by crops, an index system for current soil nutrition and healthy soil nutrition required by crops, and an index system for current crop output of cultivated land and a crop output expected by cultivated land users or owners. The method solves the shortcomings of the existing assessment systems that the existing soil health assessment index system has no hierarchy and applicability. This method includes using deviating degree of ratio R e.g., the index current value C/index health value E of measured dual index from 1 as well as it is simple, and the assessment result may directly determine the indicators or factors that can be used for guiding soil improvement and conservation.

Abstract: A p-GaN high-electron-mobility transistor, includes a substrate, a channel layer stacked on the substrate, a supply layer stacked on the channel layer, a first doped layer stacked on the supply layer, a second doped layer stacked on the first doped layer, and a third doped layer stacked on the second doped layer. A doping concentration of the first doped layer and the doping concentration of the third doped layer are lower than a doping concentration of the second doped layer. A gate is located on the third doped layer, and a source and a drain are electrically connected to the channel layer and the supply layer, respectively.

Abstract: Technologies directed to input current limiter (ICL) circuits with frequency control loops are described. One integrated circuit includes a processing core and an ICL circuit. The ICL circuit can limit an input current to the processing core within a current limit of the processing core. The ICL circuit can determine an input current and a supply voltage provided to the processing core at a first time. The ICL circuit can reduce a clock of the processing core from a first clock frequency to a second clock frequency with a linear frequency drop based on the current limit, the input current, and the supply voltage. value, the second value, and the third value. The first clock frequency corresponds to a first voltage, and the second frequency corresponds to a second voltage. The ICL circuit can reduce the clock to a third clock frequency corresponding to a third voltage.

Abstract: The invention discloses a method for determining dynamic wetland boundary based on hydrology, organism and soil elements, including the following steps: step 1: extracting dynamic wetland hydrology boundary; step 2: obtaining data on wetland vegetation; step 3: obtaining data on wetland soil; step 4: simulating dynamic wetland vegetation boundary and dynamic wetland soil boundary according to the data from step 1 to step 3; step 5: determining dynamic wetland boundary; the invention can reflect the dynamic wetland boundary in multiple dimensions comprehensively and accurately.