Abstract: A nonreciprocal Solar thermophotovoltaic (STPV) system includes an absorber configured to absorb broad-spectrum solar radiation and generate heat an intermediate emitter, and a single-junction photovoltaic cell configured to convert solar radiation to electrical energy. The intermediate emitter includes nonreciprocal radiative properties. The nonreciprocal radiative properties include absorbing light from the front side but only emitting light to the backside.

Abstract: A signal angle and signal frequency estimation method, appartus, device and storage medium are provided. The signal angle and signal frequency estimation method comprises the steps: collecting initial data of a satellite signal by means of an antenna array (S10); substituting initial data into a signal function, and finding a solution to obtain the satellite signal (S20); and obstaning the angle and a frequency of the satellite signal according to the satellite signal (S30). According to the method, in consideration of the non-Gaussian noise environment as well as spatial domain sparse feature and frequency domain sparse feature of the satellite signal, the angle and a frequency of the satellite signal are estimated jointly, thereby facilitating subsequent obtaining and tracking the satellite signal by a satellite navigation receiver.

Abstract: Disclosed is a digital PCR chip with on-chip micro-slot array based on impedance detection and its manufacturing method. The a digital PCR chip with on-chip micro-slot array based on impedance detection includes a micro-slot array, a power management unit, a clock generation module, a digital control logic module, a driver module, an analog-to-digital converter (ADC), a backscatter module and a power-on-reset module, where the power management unit generates a standard voltage and current. The clock generation module generates clocks required for the digital module, the ADC, and an excitation for impedance test. The power-on-reset module generates a reset signal for a digital circuit, and the backscatter module completes wireless transmission of an ADC output signal to an upper computer, and the digital control logic completes sequential gating and time-division measurement of micro-slot cells.

Abstract: The present invention generally pertains to methods of identifying and characterizing host cell proteins. In particular, the present invention pertains to the use of size exclusion chromatography in non-denaturing or denaturing conditions to enrich a sample for host cell proteins and characterize the binding of host cell proteins to a protein of interest.

Abstract: An embodiment of an adaptive video encoder may include technology to determine headset-related information including at least one of focus-related information and motion-related information, and determine one or more video encode parameters based on the headset-related information. Other embodiments are disclosed and claimed.

Abstract: The present disclosure pertains to the field of biomedical materials, and in particular relates to a medical hydrogel, a preparation method and uses thereof, and a kit for preparing the medical hydrogel. The medical hydrogel of the present disclosure comprises a hydrogel skeleton, and a chelating agent chelated to the hydrogel skeleton; wherein the hydrogel skeleton comprises a polymer that is formed by the bonding of a polyethylene glycol derivative I having a structure shown in Formula (I) and a polyethylene glycol derivative II having a structure shown in Formula (II) and has multiple “long arms”. After tannic acid and/or citric acid as a chelating agent chelates with the hydrogel skeleton, a medical hydrogel can be obtained, which has good bacteriostatic properties, mechanical properties, adhesion properties, low swelling properties, and controllable gel formation rate and degradation rate.

Abstract: The present disclosure provides an image compression apparatus, an image compression method. The apparatus comprises: an image division module configured to divide a target image into one or more macro blocks; a macro block partitioning module configured to partition each of the macro blocks; a component determination module configured to determine, for each partition, a first component and a second component in each color channel; a color index determination module configured to determine, for each pixel, a color index of the pixel in a corresponding partition according to the first component and the second component; and a compressed code stream obtaining module configured to obtain a preset image compression ratio, and compress the macro block according to the number of partitions of the macro block, the first component and the second component and color indexes of all pixels to obtain a compressed code stream.

Abstract: The present invention provides methods and systems to identify host cell protein (HCP) impurities in a sample containing high-abundance proteins. The HCP impurities can be enriched using interacting peptide ligands which have been attached to solid support. The HCP impurities can be eluted from the solid support. The isolated HCP impurities can be subjected to limited digestion to generate components of the isolated HCP impurities which can subsequently be identified using a mass spectrometer. The present invention also provides methods and systems to identify sequence variant (SV) peptides or proteins in a sample containing high-abundance proteins. The SV peptides or proteins can be enriched using interacting peptide ligands which have been attached to solid support. The SV peptides or proteins can be eluted from the solid support.

Abstract: Disclosed are a linkage device, a transceiver module and a plane stress field measuring device and method capable of achieving synchronous adjustment of distance and angle, and relates to the field of ultrasonic non-destructive testing. The existing technical means for measuring plane stress in the field of ultrasonic testing has the shortcomings that the same testing is only applicable for single materials and the deflection angles of transmitting and receiving transducers are inconsistent.

Abstract: Embodiments of the present disclosure provide an image processing method, an apparatus, an electronic device, and a computer-readable storage medium, relating to the technical field of displays. The method comprises steps of: acquiring a first image and a second image that are adjacent in time-domain; determining dynamic pixels of the second image relative to the first image; determining overdrive gain values of the dynamic pixels; and performing overdrive processing on the second image according to the overdrive gain values. In the embodiments of the present disclosure, for the dynamic pixels, overdrive processing is performed on the image according to the overdrive gain value. Thus, the overdrive effect for the dynamic region of the image is optimized, the technical effect of the overdrive is ensured, and the motion blur problem of the image is effectively improved.

Abstract: The disclosure provides a method, system, device and medium for online monitoring of a plane stress field without baseline data based on a piezoelectric transducer array. Since Lamb waves have complex multi-mode characteristics, a suitable excitation frequency needs to be selected according to geometric dimensions of the structure to be measured, and then, only low-order mode Lamb waves are excited inside the measured structure to avoid serious waveform aliasing. For isotropic measured objects, anisotropic characteristics will be generated under the action of pre-stresses, that is, the propagation velocities of ultrasonic waves in all directions are different, but there is a linear relationship between velocity changes in different propagation directions and stresses. Therefore, there is still a linear relationship between the difference of velocity changes in different propagation directions and the stress.

Abstract: The present disclosure proposes a non-baseline on-line stress monitoring system and monitoring method based on multi-mode Lamb wave data fusion. A Lamb wave dispersion curve is established according to geometric dimensions and material parameters of a measured object, a cut-off frequency of a first-order Lamb wave mode is obtained, an excitation frequency of a Lamb wave signal is determined, and then pure Lamb waves in S0 and A0 modes obtained inside the measured object are obtained; an acoustoelastic equation is established, an elastodynamic equation of the measured object under a prestress condition is solved, and linear relationships between a group velocity and a stress of the Lamb waves in the S0 and A0 modes under the excitation frequency are obtained; data is processed through the on-line monitoring system; a stress gradient in a depth direction is calculated, and finally, a stress state of the measured object is represented.

Abstract: A method, system, device, and medium for online stress monitoring without baseline data based on single-mode multi-frequency signal fusion are provided.

Abstract: Embodiments of the present disclosure provide an image compression method, an apparatus, and a computer-readable storage medium, relating to the field of image compression. The method comprises: acquiring a plurality of macroblocks of an image; determining the sub-region(s) of each one of the plurality of macroblocks and a partition color of each macroblock; determining a data compression format corresponding to each macroblock according to pixels in the sub-region(s) of each macroblock and the partition color of each macroblock; and compressing each macroblock based on the data compression format corresponding to each macroblock, and determining the compressed data corresponding to each macroblock. In the embodiments of the present disclosure, while ensuring the image compression efficiency, the image compression format is simplified, the image compression accuracy is guaranteed, and the over drive distortion caused by image compression is reduced.

Abstract: Approaches in accordance with various embodiments can reduce scheduling delays due to concurrent processing requests, as may involve VSyncs in multi-streaming systems. The software synchronization signals can be staggered relative to each other by offsetting an initial synchronization signal. These software synchronization signals can be readjusted over time such that each synchronization signal maintains the same relative offset, as may be with respect to other applications or containers.

Abstract: Disclosed is a method and an apparatus for backlight control and a display device. The apparatus comprises: a block brightness module for calculating an initial brightness value of each backlight block in a backlight source according to initial image data; a filtering module for performing spatial filtering and temporal filtering on the initial brightness value of each backlight block to obtain an adjusted brightness value of each backlight block; a control module for generating a brightness control signal according to the adjusted brightness value of each backlight block to adjust brightness of the backlight source. An intermediate brightness value of each backlight block is no less than the initial brightness value of that backlight block. Based on backlight adjustment for reducing power consumption, display effect reduction on a portion of image due to uneven brightness of the portion of the image during the spatial filtering is avoided.

Abstract: The present disclosure discloses a viewing angle compensation method and apparatus for a display panel, and the display panel, and relates to the technical field of liquid crystal displaying. The purpose of increasing a visual angle of an MVA liquid crystal panel can be achieved, and for a whitening phenomenon of a screen watched at a side viewing angle, a better improving effect can be given.

Abstract: A microelectronic device comprises a microelectronic device structure having a memory array region and a staircase region. The microelectronic device structure comprises a stack structure having tiers each comprising a conductive structure and an insulative structure; staircase structures confined within the staircase region and having steps comprising edges of the tiers of the stack structure within the deck and the additional deck; and semiconductive pillar structures confined within the memory array region and extending through the stack structures. The stack structure comprises a deck comprising a group of the tiers; an additional deck overlying the deck and comprising an additional group of the tiers; and an interdeck section between the deck and the additional deck and comprising a dielectric structure confined within the memory array region, and another group of the tiers within vertical boundaries of the dielectric structure and confined within the staircase region.

Abstract: The present disclosure provides a device, a method and a program for processing an image. The device for processing the image includes: a data processing unit configured to obtain an original image, to downsample the original image at a first sub-rate to obtain a transitional image, and to downsample the transitional image at a second sub-rate to obtain a target image. The first sub-rate and the second sub-rate are obtained by dividing a downsampling rate of the original image, and a product of the first sub-rate and the second sub-rate is equal to the downsampling rate. The device, the method and the program for processing the image not only can better retain texture information of the original image in the process of downsampling the original image, but also can cause the change of detail textures in the image to be continuous in the process of continuous change of the sampling rate, thereby improving a display effect of an filtered image.