Abstract: A method for identification of characteristic components in a Kai-Xin-San by thin-layer chromatography (TLC) is provided, belonging to the technical field of pharmaceutical raw material detection and traditional Chinese medicine quality control. The method only needs to prepare two test solutions to simultaneously identify six characteristic components in the Kai-Xin-San, namely ginsenoside Rb1, ginsenoside Re, tenuifolin, ?-asarone, dehydrotumulosic acid, and pachymic acid. An automatic TLC spotting instrument can ensure even sampling and flat chromatographic bands and the silica gel G thin-layer plates after spotting are placed in the steam of the optimized developing solvent to allow pre-saturation.

Abstract: The present disclosure provides a driving module and a display device. The driving module includes a serial-parallel conversion circuit and a data providing circuit, the serial-parallel conversion circuit is configured to convert a serial input signal into a parallel output signal and generate a transmission control signal and a common electrode voltage signal in accordance with mode indication information carried by the parallel output signal, and the parallel output signal carries the mode indication information and input display data; and the data providing circuit is configured to convert the input display data into output display data and transmit the output display data to a corresponding data line under the control of the transmission control signal. According to the embodiments of the present disclosure, it is able to achieve display through relying on serial input signals and other signals provided by a system without a display chip.

Abstract: A micro-probe laser frequency modulation interferometric ranging method and system, under the premise of not introducing an absolute laser rangefinder to introduce new uncertainties, continuously and slowly changes the modulated laser wavelength, resulting in a continuous periodic phase change in the interference signal obtained by the detector. The laser modulation absorption spectrum shifts from the initial locked absorption peak to another locked peak, and the wavelength changes of the two locked absorption peaks before and after are obtained by checking the table. Meanwhile, calculating the phase difference demodulated by the phase generated carrier (PGC) before and after, and the initial length of optical dead-path is calculated using wavelength scanning technology. Afterwards, utilizing the advantages of high relative distance measurement accuracy of micro-probe fiber optic laser interferometer, real-time measurement of the measured distance is achieved.

Abstract: The present disclosure provides a multi-modal multi-view classification method for echocardiograms based on a deep learning algorithm, including: collecting videos and images of multi-modal multi-view adult echocardiograms, and preprocessing the videos and images; annotating the preprocessed videos and images of adult echocardiograms to generate an adult echocardiogram dataset; dividing the adult echocardiogram dataset into a training set, a validation set, and a test set; constructing an adult echocardiogram view classification model based on a ResNet network, training the model using the training set, and selecting an optimal classification model using the validation set; evaluating performance of the optimal adult echocardiogram view classification model based on the test set; and inputting a to-be-tested image or video into the adult echocardiogram view classification model to obtain a classification result.

Abstract: A shift register and a driving method therefor, a gate driving circuit and a display device are provided, wherein the shift register includes a pull-up control sub-circuit configured to provide a signal of a first signal terminal or a second signal terminal to a pull-up control node under control of a first input terminal and a second output terminal; the pull-down control sub-circuit is configured to provide a signal of a first power supply terminal or a second power supply terminal to a pull-down node under control of the pull-up control node, the first signal terminal, the second signal terminal, a first clock signal terminal and a second clock signal terminal; the output sub-circuit is configured to supply a signal of a third clock signal terminal to a first output terminal and a signal of a fourth clock signal terminal to the second output terminal.

Abstract: A communication method and an apparatus are disclosed. The method includes: A first communications device receives first DCI from a network device in a first discontinuous reception active time, where the first DCI is used to indicate new uplink or downlink data transmission; the first communications device does not expect to receive a PDCCH from the network device in a first time period after the first discontinuous reception active time, where a start moment of the first time period is an end moment of the first discontinuous reception active time, and an end moment of the first time period is in a second discontinuous reception active time; and the first communications device monitors the PDCCH after the first time period.

Abstract: A method for operating a storage device and the storage device are provided. The method includes obtaining an initial failure warning model comprising a plurality of decision trees, the obtaining the initial failure warning model including being trained with a random forest algorithm based on historical failure related data, the historical failure related data comprising historical multiple operational attributes data of the storage device and failure logs of the storage device, determining high frequency decision nodes in the plurality of decision trees, the high frequency decision nodes being similar single-nodes with at least a first number in the plurality of decision trees, the similar single-nodes being single-nodes having a same monitoring attribute, a same attribute determination symbol, and a difference between attribute thresholds within a first range, and constructing the failure warning model of a new decision tree comprising the high frequency decision nodes.

Abstract: A defragmentation method may include: acquiring at least one chunk information of data in response to a writing request for the data, wherein the at least one chunk information may include an identification of at least one chunk and a stream identification assigned to data of the at least one chunk; updating a fragmentation degree of each of the at least one chunk and a stream to which the each of the at least one chunk belongs in a chunk index structure to obtain an updated chunk index structure, based on the at least one chunk information, wherein the chunk index structure may include identifications of a plurality of chunks, stream identifications corresponding to the plurality of chunks, and fragmentation degrees of the plurality of chunks; and determining a first chunk to be defragmented, based on the fragmentation degrees of the plurality of chunks in the updated chunk index structure.

Abstract: The present invention relates to the use of MtNAC33 gene and a protein encoded thereby in the cultivation of high-biomass and drought-tolerant alfalfa, belonging to the technical field of plant genetic engineering. The plant protein encoded by MtNAC33 gene has the amino acid sequence set forth in SEQ ID NO: 2, and MtNAC33 gene has the nucleotide sequence set forth in SEQ ID NO: 1. In the present invention, the drought tolerance of Arabidopsis thaliana and alfalfa can be significantly improved by regulating the expression level of MtNAC33 in alfalfa. The phenotypes of delayed flowering, increased leaf-to-stem ratio and more biomass in alfalfa were also developed, which has an important effect for genetic improvement of stress resistance and biomass of forage grass and other crops.

Abstract: An open microfocus X-ray source and a control method thereof are provided. The open microfocus X-ray source includes: an open X-ray tube, a high voltage power supply (HVPS) system, a vacuum system and a control system. The open X-ray tube includes a cathode system, a deflection system and a focusing system. The HVPS system is configured to provide an emission current I0, an accelerating high voltage U0 and a grid voltage UG for an electron beam. The vacuum system is configured to perform vacuumization. The control system is configured to control, according to a spot size of an electron beam for bombarding an anode target, the HVPS system to adjust the emission current I0, the accelerating high voltage U0, a deflection coil current IXY of the deflection system, and a focusing coil current IF of the focusing system, such that the spot size meets a preset requirement.

Abstract: A micro-probe laser frequency modulation interferometric ranging method and system, under the premise of not introducing an absolute laser rangefinder to introduce new uncertainties, continuously and slowly changes the modulated laser wavelength, resulting in a continuous periodic phase change in the interference signal obtained by the detector. The laser modulation absorption spectrum shifts from the initial locked absorption peak to another locked peak, and the wavelength changes of the two locked absorption peaks before and after are obtained by checking the table. Meanwhile, calculating the phase difference demodulated by the phase generated carrier (PGC) before and after, and the initial length of optical dead-path is calculated using wavelength scanning technology. Afterwards, utilizing the advantages of high relative distance measurement accuracy of micro-probe fiber optic laser interferometer, real-time measurement of the measured distance is achieved.

Abstract: The present invention relates to the use of MtNAC33 gene and a protein encoded thereby in the cultivation of high-biomass and drought-tolerant alfalfa, belonging to the technical field of plant genetic engineering. The plant protein encoded by MtNAC33 gene has the amino acid sequence set forth in SEQ ID NO: 2, and MtNAC33 gene has the nucleotide sequence set forth in SEQ ID NO: 1. In the present invention, the drought tolerance of Arabidopsis thaliana and alfalfa can be significantly improved by regulating the expression level of MtNAC33 in alfalfa. The phenotypes of delayed flowering, increased leaf-to-stem ratio and more biomass in alfalfa were also developed, which has an important effect for genetic improvement of stress resistance and biomass of forage grass and other crops.

Abstract: Disclosed in the embodiments of the present disclosure are an audio processing method and apparatus, and an electronic device and a storage medium. The method comprises: in response to a trigger operation of entering a video editing page for a target video for the first time, displaying the video editing page; and if original audio in the target video meets a preset condition, performing sound repair processing on the original audio while displaying the video editing page, and displaying, in the video editing page, a target control in a first state, wherein the target control in the first state is used for indicating that the sound repair processing is being performed on the original audio.

Abstract: A composition, formulation, preparation method and use for a glutathione precursor. The composition comprises, in parts by weight: a selenium-containing compound; a glutathione precursor; a zinc-containing compound. A powder obtained by mixing the present composition has good mixing uniformity and good fluidity, and facilitates filling in a filling capsule; and a capsule containing the composition has the effects of liver protection, oxidation resistance, and immunity enhancement.

Abstract: A manufacturing method for a semiconductor device includes: forming an etching termination layer, a first dielectric layer, an auxiliary dielectric layer and a second dielectric layer which are successively stacked from bottom to top; by taking a photoresist layer as an etching barrier layer, patterning the second dielectric layer to obtain a first opening pattern, the bottom of the first opening being provided with a second opening pattern exposing part of the auxiliary dielectric layer; forming a first trench passing through the second dielectric layer and the auxiliary dielectric layer and extending to the first dielectric layer, and forming a second trench passing through the first dielectric layer from the bottom of the first trench and extending to the etching termination layer; and forming a conductive layer in the first and second trenches.

Abstract: The present disclosure provides a video generation method, an apparatus, a device and a storage medium. The method includes: firstly, when a selection operation for a target music is received, an atmosphere effect corresponding to the target music is displayed on a capturing page, and when a trigger operation for a capturing control on the capturing page is received, a target result video is generated based on the displayed atmosphere effect, where the audio in the target result video is obtained based on the target music, and the atmosphere effect corresponding to the target music is determined based on characteristics of the target music.

Abstract: Disclosed in the embodiments of the present disclosure are a text input method and apparatus, and an electronic device and a storage medium. The method comprises: on the basis of a video to be edited, determining at least two recommended text items; displaying the at least two recommended text items in a first target area of an editing page of said video; and in response to a first trigger operation acting on a first recommended text item, displaying, in a text input area of the editing page, a first text that is comprised in the first recommended text item, wherein the first trigger operation is used for determining the selected first recommended text item from the at least two recommended text items.

Abstract: Disclosed in the embodiments of the present disclosure are an audio processing method and apparatus, and an electronic device and a storage medium. The method comprises: in response to a trigger operation of entering a video editing page for a target video for the first time, displaying the video editing page; and if original audio in the target video meets a preset condition, performing sound repair processing on the original audio while displaying the video editing page, and displaying, in the video editing page, a target control in a first state, wherein the target control in the first state is used for indicating that the sound repair processing is being performed on the original audio.