24 results about "Cell Evaluation" patented technology

The invention provides a battery cell evaluation method and device and electronic equipment. The method comprises the following steps: a cycle test based on high temperature aging is carried out on a plurality of test cells, test data of each test cell is obtained, and the test data comprises at least one of resistance, physical and chemical parameters, cycle index, aging time and battery state of health SOH of the test cells; establishing an evaluation database based on the test data of each test cell, wherein the evaluation database comprises a fitting relationship among different test data; and according to the real-time resistance of the to-be-evaluated battery cell, determining the SOH of the to-be-evaluated battery cell from the evaluation database. The relationship between the material and the performance can be established, and the cell evaluation efficiency is improved.

A stream of events from an event-based sensor is processed for trajectory determination. Each event comprises a pixel position in a pixel array of the event-based sensor, and a time stamp. A grid of cells is defined for the pixel array, with each cell comprising a plurality of pixels. In the trajectory determination, incoming events are mapped to the grid of cells during a first time period, and summary data with a representative position for the pixel positions that fall within the respective cell during a first time period is generated. An intra-cell evaluation of the summary data generated for a second time period is performed to generate a cell trajectory of representative positions within the respective cell. An inter-cell evaluation of a plurality of cell trajectories generated for a plurality of cells for the second time period is performed to generate a grid trajectory.

The invention discloses an application of an evaluation model based on Teocytes cells in evaluating sleep quality improvement of an external product. According to the method, the exact relation between the TCs and the sleep quality is explored, the application feasibility of the TCs serving as an evaluation index in external sleep nursing product research is achieved, and the TCs can serve as an accurate index for sleep quality improvement evaluation of the external sleep nursing product. Before this, TCs have not been used as a recognized sleep quality evaluation index. By monitoring the change of TCs, the effect of the external sleep nursing product can be evaluated, the risk of sleep disorder related diseases can be predicted, a new potential treatment target for insomnia is provided, and a new thought and strategy are provided for studying the pathological mechanism and diagnosis and treatment of insomnia.

A cell evaluation method evaluates the quality of a cell population including a plurality of cells. The cell evaluation method comprises: an index calculation step of calculating an index, based on a captured image of the cell population, the index including at least any one of an average distance representing a packing degree of the cells, a spring constant representing a degree of consistency in distances between the cells, and a hexagonal order parameter representing a degree to which an arrangement of the cells resembles a regular hexagon; and an evaluation step of evaluating the cell population, based on the index calculated in the index calculation step.

The present application relates to the field of lithium ion battery, disclose a kind of with button type half-cell evaluation soft package lithium ion full battery performance method, steps include making positive plate, making negative plate, combination compaction is respectively made into two systems and three systems button type half-cell, battery performance test is carried out to button type half-cell made, button type half-cell made by setting electrolyte injection ratio, coating surface density and selecting different size negative electrode material and copper foil negative combination can accurately reflect the battery performance of lithium ion full battery, improve the reliability of button type half-cell data, and a series of different positive electrode coating amount full battery can be evaluated, a large number of test resources are saved, the test method in the present application has good applicability in three electrode system, shorten the difference between button type half-cell lithium ion full battery evaluation result.

This invention relates to a positive electrode active material that meets specific parameter standards for the surface functional groups contained in the positive electrode active material. The invention also relates to a lithium secondary battery incorporating the positive electrode active material. According to the invention, by introducing parameters that can evaluate the active material, the active material can be selected without separate cell evaluation, thereby helping to accelerate cell development. Furthermore, by improving the capacity retention rate of the positive electrode active material, the lifespan of the secondary battery can be improved.

A cell evaluation method includes a labeling step S1, a refractive index distribution acquisition step S2, and an analysis step S3. In the labeling step S1, a specific component in a cell being an evaluation object is labeled with a labeling substance having refractive indices respectively at a first wavelength and a second wavelength different from each other. In the refractive index distribution acquisition step S2, a refractive index distribution of the cell in which the specific component is labeled in the labeling step S 1 is acquired at each of the first wavelength and the second wavelength. In the analysis step S3, a distribution of the specific component in the cell is evaluated by comparing the refractive index distributions respectively at the first wavelength and the second wavelength. Thus, a method capable of easily evaluating a cell even in the case in which the cell is an unknown cell is realized.

The application discloses a battery pack cell consistency evaluation method, and steps of the method comprise the following steps: 1. performing AC impedance test on cells in a battery pack; 2. performing feature extraction on obtained electrochemical impedance spectroscopy (EIS) curves of the cells in the battery pack; 3. taking the fluctuation degree of data as the selection basis of weights of various feature quantities, and taking the calculation result after the feature quantities are weighted as a cell evaluation factor; and 4. obtaining a consistency evaluation result of the cells in the battery pack by calculating the standard deviation of the cell evaluation factor. The application can improve the speed and accuracy of the cell consistency evaluation in the battery pack, thereby reducing the disassembly workload when the battery pack is recycled.

A method and apparatus for evaluation of an electrochemical cell comprising a signal generation unit (202, figure 2) to generate a perturbation (multi-frequency) signal to be passed through the electr

The invention provides a CAR-T (Chimeric Antigen Receptor-T) cell driven by different promoters and targeting CD276 and application of the CAR-T cell. Specifically, four promoters of CMV, EF-1, MND and PGK are selected to build the CAR-T cell targeting human CD276, the phenotypic influence of the promoters on the CAR-T cell and the in-vivo and in-vitro anti-tumor ability of the CD276-CAR-T cells of different promoters are evaluated, and the CD276-CAR-T cell with the best in-vivo drug effect and higher safety is provided. The invention proves that selection of an appropriate promoter is the basic requirement of successful CAR-T cell therapy, a new thought is provided for CAR-T cell transformation, and a new strategy is provided for tumor immunotherapy.

The application discloses a kind of voice service quality poor cell evaluation method and device, the method is applied to the network side of 5G communication system, comprising: constructing voice MOS fitting model;In the statistical period of statistical period, the MR data generated when 5G user initiates VoNR voice service under 5G cell under target area is obtained, the MR data includes SS-RSRP data, SS-SINR data and the downlink PRB utilization of main service cell;SS-RSRP data, SS-SINR data in MR data and the downlink PRB utilization of main service cell are substituted into voice MOS fitting model, and the MOS prediction value of all cell user voice is obtained;Based on the MOS prediction value of all cell user voice, determine the VoNR voice quality poor 5G cell under target area in the statistical period of statistical period;VoNR voice quality poor 5G cell under target area in the statistical period of statistical period is sorted.The method can obtain the evaluation result of voice service quality poor cell comprehensively, truly and objectively.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A user equipment (UE) according to an embodiment of the present disclosure may: receive, from a base station, configuration information about radio resource management (RRM) in a wake-up receiver; determine the length of a paging time window (PTW) on the basis of the number of discontinuous receptions (DRXs) for serving cell evaluation in the wake-up receiver; and perform, within the PTW having the determined length, RRM on a serving cell by using the wake-up receiver.

The invention belongs to the technical field of bioengineering, and particularly relates to an A2aR-His6-G alpha 16-HEK cell strain capable of stably expressing a human adenosine A2a receptor (A2aR). According to the invention, the Galpha16 protein and the A2aR which are determined by screening are sequentially expressed in HEK-FlpIn cells, and the A2aR-His6-Galpha16-HEK cell strain capable of stably expressing the human A2aR is obtained by screening; a cell evaluation model suitable for calcium signal detection is constructed, and the cell evaluation model can be used for screening and detecting A2aR-targeting agonists and antagonists; the kit has the characteristics of more reliable detection result, higher sensitivity, larger screening flux, short experimental period, simplicity and convenience in operation and the like, can greatly improve the screening and evaluation efficiency of A2aR-targeting agonists and antagonists, and meanwhile, has a significant meaning for A2aR-related diseases. Candidate drug molecules are provided for treatment of diseases such as motion control, neurodegenerative diseases, tumor immunoregulation, anti-depression effect, heart diseases, nerve regeneration and immunoregulation, the problem that at present, A2aR target-based drug screening does not have a high-throughput detection method based on calcium signal detection is solved, and the method has obvious practical application value.

The cell evaluation device includes a cell housing unit 111, and an adapter 120 configured to be elastically deformed by being fitted into the cell housing unit to close a top opening of the cell housing unit, and the adapter includes a body 121 to be inserted into the cell housing unit, a positioning unit 122 configured to position the body in a vertical direction with respect to the cell housing unit, a culture medium inlet port 124 and a culture medium outlet port 125 penetrating the top end and the lower end of the body, and a flexible sheet member 123 which is provided on a lower end of the body and extends radially outward from an outer edge of the lower end. This makes it possible to prevent leakage of the culture medium in the cell evaluation device.

A cell evaluation method evaluates the quality of a cell population including a plurality of cells. The cell evaluation method comprises: an index calculation step of calculating an index, based on a captured image of the cell population, the index including at least any one of an average distance representing a packing degree of the cells, a spring constant representing a degree of consistency in distances between the cells, and a hexagonal order parameter representing a degree to which an arrangement of the cells resembles a regular hexagon; and an evaluation step of evaluating the cell population, based on the index calculated in the index calculation step.

This invention provides a method for preparing an electrode to evaluate the oxygen reduction activity in a half-cell of a fuel cell catalyst, comprising the following steps: dispersing a catalyst, ultrapure water, alcohol, liquid acid, and a proton-conducting solution to form a stable and uniform catalyst ink; coating the catalyst ink onto a transfer intermediate plate and drying it to form a laminate consisting of a catalyst layer and the transfer intermediate plate; laminating the obtained laminate with an electrolyte membrane and hot-pressing it; removing the transfer intermediate plate to obtain an electrolyte membrane covered with a catalyst layer on one side, i.e., a catalyst-coated membrane; cutting the obtained catalyst-coated membrane to the required size; cutting a gas diffusion layer to the required size; and hot-pressing a microporous layer onto the cut catalyst-coated membrane to obtain the electrode. The electrode preparation method of this invention is simple and easy to implement, suitable for scale-up production, and consistent with actual production processes. The half-cell evaluation patterns can be directly correlated with the actual membrane electrode production process, shortening the R&D cycle and saving R&D costs.

This disclosure provides a cell handover method based on a terminal. The method includes: acquiring signal parameters of multiple candidate cells and state parameters of the terminal; determining cell evaluation information of the candidate cells based on the signal parameters of the multiple candidate cells and the state parameters of the terminal; the cell evaluation information of each candidate cell characterizing the priority of the candidate cell as a target cell; generating a measurement report based on the cell evaluation information of the multiple candidate cells and the signal parameters; and uploading the measurement report. This disclosure also provides a terminal, a computer-readable medium, and a computer program product.

A cell evaluation method evaluates the quality of a cell population including a plurality of cells. The cell evaluation method comprises: an index calculation step of calculating an index, based on a captured image of the cell population, the index including at least any one of an average distance representing a packing degree of the cells, a spring constant representing a degree of consistency in distances between the cells, and a hexagonal order parameter representing a degree to which an arrangement of the cells resembles a regular hexagon; and an evaluation step of evaluating the cell population, based on the index calculated in the index calculation step.

The application provides a kind of solid oxide electrolytic cell evaluation system and method, it is related to the technical field of energy evaluation, the system includes: data acquisition module, gas inlet device, power supply device, heating device, gas outlet device and control module, control module adjusts gas inlet device, power supply device and heating device according to real-time working condition parameter and target working condition parameter, and calculates monomer consistency score according to each performance parameter under different target working condition parameters, and evaluates the performance grade of the solid oxide electrolytic cell stack to be measured according to monomer consistency score, realizes the electrolysis experiment of solid oxide electrolytic cell under different working conditions, completes the comprehensive test and evaluation of the performance of solid oxide electrolytic cell.

A holography apparatus 10 includes an optical system 200 that forms an interference image due to interference between object light L1 and reference light L2. The optical system 200 includes a retarder 30 that is disposed on an optical path of the object light or the reference light, and a rotation mechanism 31 that rotates the retarder 30 with an optical axis of the object light L1 or the reference light L2 as a rotation axis. The holography apparatus 10 includes an imaging unit 40 that captures the interference image, a control unit 50 that derives an evaluation value for the interference image captured by the imaging unit 40 and controls a rotational position of the rotation mechanism 31 based on the evaluation value.

Processing of data from an event-based sensor. Each event includes a pixel position and a timestamp in an array of pixels of an event-based sensor. A grid of cells is defined (201) for the array of pixels, each cell comprising a plurality of pixels. In trajectory determination, incoming events are mapped to a grid of cells during a first time period (202-203), and summary data having representative locations of pixel locations falling within the respective cells during the first time period is generated (204). In-cell evaluation of the summary data generated for the second time period is performed (206) to generate cell trajectories of representative locations within the respective cells. An inter-cell evaluation (208) of a plurality of cell trajectories generated for the plurality of cells over a second time period is performed to generate a grid trajectory.

The embodiment of the invention discloses a communication method, relates to the technical field of communication, and is used for improving the network access speed of a terminal. The method comprises: receiving a first SSB from a first network device at a first moment of a first SSB period; and performing cell evaluation on the first cell according to the first SSB to obtain a first evaluation result, wherein the first cell is a cell corresponding to the first network equipment. And when the first evaluation result satisfies the access condition, sending a first access request to the first network device at a second moment of the first SSB period, the first access request being used for accessing the first cell. In the related technology, the terminal performs cell evaluation by using at least one complete SSB period before network access, and only sends an access request for network access in the next period after the completion of the cell evaluation. However, in the application, the terminal can perform cell evaluation and send the access request to access the network in the same SSB period, so that the terminal is prevented from performing cell evaluation in the whole period to influence the network access speed of the terminal, and the network access speed of the terminal is improved.

To provide a cell evaluation method and a cell evaluation program that can evaluate the respiration activity of mitochondria noninvasively and quantitatively.SOLUTION: A cell evaluation method includes an extraction step and an evaluation step. The extraction step is to extract peaks derived from reduced cytochrome from a spectrum of Raman scattering light obtained by irradiating cells with excitation light having a wavelength included in an electronic absorption band of the reduced cytochrome. The evaluation step is to evaluate the respiration activity of mitochondria present in the cells on the basis of the intensity of the extracted peaks.SELECTED DRAWING: Figure 2