Abstract: A ratchet structure is provided. The ratchet structure comprises a housing having at least one pair of racks slidably overlapped with each other. Further, a cover coupled to the housing, having a cavity. Further, a ratchet gear detachably secured within the cavity, and comprising a plurality of elastic ribs having one or more grooves. Further, a knob having a plurality of driving ribs configured to be received within the one or more grooves of the plurality of elastic ribs. Therefore, the plurality of driving ribs facilitates the movement of the plurality of elastic ribs of the ratchet gear to slide the at least one pair of racks.

Abstract: A driving backplane, a display panel and a display apparatus are provided. The driving backplane includes: a base substrate, and a plurality of connection electrode groups and a plurality of correction structures disposed on the base substrate, each of the connection electrode groups includes: a first connection electrode and a second connection electrode the first connection electrode and the second connection electrode are arranged on a same layer; a first gap is formed between the first connection electrode and the second connection electrode, and a first group of opposite edges includes: an edge, close to the first gap, of the first connection electrode; and an edge, close to the first gap, of the second connection electrode; a second group of opposite edges includes: an edge, far away from the first gap, of the first connection electrode; and an edge, far away from the first gap, of the second connection electrode.

Abstract: Provided are an electron detection device and a scanning electron microscope. The electron detection device includes: a reflective energy analyzer including first and second control electrodes that are sequentially arranged in an incidence direction of an electron beam; a first detector disposed at a side of the second control electrode away from the first control electrode; a second detector disposed at a side of the first control electrode away from the second control electrode; and a conductive shielding tube penetrating the first and second control electrodes in the incidence direction and configured to shield an electric field generated by the reflective energy analyzer, allowing the electron beam to pass through and be incident on the target sample. First control electrode is configured to generate a first electric field between the first and second control electrodes. The first electric field is configured to guide the secondary electron to the first detector.

Abstract: The provided is an on-time generator circuit and a switching converter. The on-time generator circuit includes a ramp module configured to generate a ramp signal based on a drive signal of a main power transistor and an input voltage; a compensation module configured to generate a compensation signal based on the input voltage and a duty cycle; and a timing signal generation module configured to generate a timing signal based on the ramp signal, the compensation signal, and an output feedback signal. The compensation signal is used to offset delay time generated by the timing signal, making turn-on time (Ton) be preset Ton corresponding to the duty cycle, and keeping a switching frequency constant at different duty cycles.

Abstract: The present disclosure relates to an electrocardiogram (ECG) mapping method and system. By acquiring a palm ECG signal, dividing the palm ECG signal into multiple palm ECG episodes according to a preset intercepted length, converting the palm ECG episodes into standard ECG episodes with an ECG mapping model, and connecting all standard ECG episodes according to a connection sequence of the multiple palm ECG episodes to obtain a standard ECG signal corresponding to the palm ECG signal, the present disclosure establishes a mapping relationship between the palm ECG and the standard ECG with the ECG mapping model to implement the waveform conversion from the palm ECG to the standard ECG, and the converted standard ECG is highly similar to the 12-lead standard ECG, thus preventing the misdiagnosis.

Abstract: A light-emitting diode substrate, a manufacturing method thereof, and a display device are disclosed. The manufacturing method of the light-emitting diode substrate includes: forming an epitaxial layer group of M light-emitting diode chips on a substrate; transferring N epitaxial layer groups on N substrates onto a transition carrier substrate, the N epitaxial layer groups on the N substrates being densely arranged on the transition carrier substrate; and transferring at least part of N*M light-emitting diode chips corresponding to the N epitaxial layer groups on the transition carrier substrate onto a driving substrate, an area of the transition carrier substrate is greater than or equal to a sum of areas of the N substrates, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 2.

Abstract: A model prediction-based control method for grid forming of multi-port autonomous reconfigurable solar plants includes: estimating and predicting system parameters by establishing a multi-port autonomous reconfigurable solar plant and a dynamic model of a synchronous generator model; converting an objective function into an unconstrained optimization problem, using Newton's method to achieve minimum computational burden within each calculation time step to find a solution in real time for obtaining an optimal angular frequency; based on results of the optimal angular frequency, updating an output voltage and a dq-axis current of the multi-port autonomous reconfigurable solar plant, and changing an arm modulation index of the plant, thereby realizing the plant's inertia and primary frequency modulation support. The model prediction-based control method provided by the present invention achieves rapid prediction during operation and improves frequency response, rapidity and system stability.

Abstract: A holding mechanism of a slicer, a crystal bar conveying structure and a slicer are provided. The holding mechanism of a slicer includes a holding seat and at least two limiting members. The at least two limiting members are movably disposed on the holding seat. An outer surface of the holding seat is provided with an accommodating groove. When the at least two limiting members are in the avoiding state, at least a part of each of the at least two limiting members is accommodated in the accommodating groove, so as to give way to a crystal bar holder in a moving process of the crystal bar holder. When the at least two limiting members are in the limiting state, at least a part of each of the at least two limiting members protrudes out from the outer surface of the holding seat to abut against the crystal bar holder.

Abstract: Provided are a fault diagnosis apparatus and method based on fluorescence multivariate correction analysis of transformer oil, relating to the field of transformer fault diagnosis technology. Thus, the problem of large volume and weight of the apparatus, high costs, and inconvenience to use caused when in the related art, a fluorescence spectrometer is directly used to acquire the fluorescence spectrum of transformer oil is solved. The monochromatic excitation light of an optimal excitation wavelength generated by a fluorescence excitation source is used to excite the transformer oil in a fluorescence excitation detection apparatus to generate fluorescence. The fluorescence excitation detection apparatus generates the fluorescence according to the input monochromatic excitation light and inputs the fluorescence to a fluorescence signal acquisition and analysis apparatus.

Abstract: A humidity sensor, a manufacturing method therefor and an electronic device are provided, and the humidity sensor includes: a base substrate, and at least one sensor unit arranged on the base substrate; the sensor unit includes: a first electrode and a support structure arranged on the base substrate, the support structure is located on at least one side of the first electrode; a second electrode located on a side of the first electrode away from the base substrate, an orthographic projection of the second electrode on the base substrate is overlapped with an orthographic projection of the first electrode on the base substrate, a space is arranged between the second electrode and the first electrode, and at least one end of the second electrode is fixed with the support structure; and an adsorption layer arranged on a side of the second electrode away from the base substrate.

Abstract: Intelligent distribution of packet flows may be provided. Compute resource data may be received. Next, packets may be classified into flows that may be persistently mapped to compute resources for a lifetime of the flows. Based on the compute resource data, the flows may then be allocated to the compute resources.

Abstract: The present disclosure provides an adjustable capacitor and an electronic apparatus, and relates to the technical field of radio frequency device. The adjustable capacitor of the present disclosure includes a base substrate and at least one capacitor unit on the base substrate, each of the at least one capacitor unit includes a first plate, a second plate and a first connecting arm; the first plate and the connecting arm are on the base substrate; one end of the second plate is connected to the first connecting arm, the second plate and the first plate are opposite to each other, and a certain distance is between the second plate and the first plate.

Abstract: Disclosed in the present invention are a control system and method for guiding classified storage and feeding/discharging takeout and placement of lock pins. The control system for guiding classified storage and feeding/discharging takeout and placement of lock pins comprises a terminal operation system, a guide system, a robot system, a feeding and discharging device, a transportation unit, and a stacking storage unit. The terminal operation system acquires terminal operation information in real time, and transmits, to the guide system, information of containers needing to be unloaded and loaded and information of corresponding lock pins.

Abstract: This disclosure relates to mechanisms for allocating and mapping wireless communication resources for a multicast/broadcast session in a wireless network. In some exemplary implementations, data flows in a multicast/broadcast session may be duplicated and adaptively and dynamically mapped to multiple independent radio bearers, where each of these multiple independent radio beaters may be configured to either multicast the multicast/broadcast data to a group of target user equipments or unicast the multicast/broadcast data to a single user equipment.

Abstract: Provided herein is a bispecific antibody and the use thereof. The bispecific antibody includes an antibody or antibody fragment; the antibody or the antibody fragment is a bispecific antibody or an antibody fragment comprising a first heavy chain, a first light chain, a second heavy chain, and a second light chain; the first Fab region comprises the first heavy chain and the first light chain; the second Fab region comprises the second heavy chain and the second light chain; and a variety of mutations are introduced in the first Fab region and the second Fab region.

Abstract: A hair care composition is disclosed comprising i) a piroctone compound: ii) a metal oxide or metal salt wherein said metal is selected from magnesium, calcium, barium and strontium; and iii) a cationic guar polymer; wherein the composition comprises at least 2% of said metal oxide or metal salt by weight of the composition.

Abstract: The invention discloses a control method and system for improving a transient stability area of a grid-connected inverter. It includes performing park coordinate transformation on a three-phase voltage and a three-phase output current of a connection point of a grid-connected inverter to obtain an actual voltage input value and an actual current input value required for current control; obtaining the grid-connected voltage phase through phase-locked loop processing; generating, by the power control module, the current command value required by the current control module; using the sliding mode current control method, by the current control module, to generate a dq voltage signal, and obtaining PWM modulated voltage control signals through inverse park transformation; using a LCL filter to filter out high-order harmonics to achieve grid-connected control.

Abstract: This disclosure provides an icon splicing method and related device. In this method, a terminal device may display a first icon, and display a second icon in response to an operation of triggering to splice the first icon; display, in response to an operation of selecting the second icon and the first icon for splicing, options of a plurality of functions corresponding to the second icon; and display, in response to an operation of selecting an option of a second function, a spliced icon of the first icon and the second icon. The second function includes one or more of the plurality of functions corresponding to the second icon. The spliced icon has a function of supporting linkage between a first function and the second function. The first function includes one or more of a plurality of functions corresponding to the first icon.

Abstract: The present application provides an ultra-wideband antenna and an electronic apparatus, which relates to the technical field of mobile communication. The ultra-wideband antenna includes: a first substrate; a feed structure provided at a side of the first substrate; and a radiating structure provided on the one side of the first substrate and electrically connected to the feed structure, wherein the radiating structure includes a radiating patch and a wave-trapping unit, and the radiating patch is electrically connected to the feed structure. The novel ultra-wideband antenna has the characteristic of being capable of reconstructing the trapped wave provided by the present application may have a wide broadband, and may also trap wave, thereby reducing or even preventing mutual interference with communication protocols of other frequency bands during use.

Abstract: A MEMS device includes: a dielectric substrate; a driving electrode, first and second reference electrodes on the dielectric substrate; a first dielectric layer covering the driving electrode; and a membrane bridge on a side of the first dielectric layer away from the dielectric substrate, where a first gap is between the first reference electrode and the driving electrode; a second gap is between the second reference electrode and the driving electrode; and a thickness of a part of the first dielectric layer at each of the first and second gaps is greater than a thickness of the driving electrode; and/or, a second dielectric layer is on a side of a bridge deck of the membrane bridge close to the dielectric substrate, and an orthographic projection of the second dielectric layer on the dielectric substrate covers at least an orthographic projection of the driving electrode on the dielectric substrate.