Abstract: A polyethylene copolymer may comprise about 90 wt % to about 99.99 wt % ethylene and about 0.01 wt % to about 10 wt % an alpha-olefin that is not ethylene, wherein the polyethylene has: a density of about 0.930 g/cm3 to about 0.955 g/cm3, a melt flow index (2.16 kg at 190°° C.) of about 10 g/10 min to about 50 g/10 min, a melt flow index ratio (MIR) of about 15 to about 25, a weight average molecular weight to number average molecular weight ratio (Mw/Mn) of about 2 to about 4, a wt % of TREF elution at 90° C. and less of about 10 wt % to about 80 wt %, and a wt % of TREF elution at 95° C. and greater of about 3 wt % or more. Said polyethylene may be especially well-suited for making bicomponent fibers, which may be useful producing in nonwoven fabrics.

Abstract: Provided are a tin borate microwave dielectric ceramic with a near-zero temperature coefficient and a preparation method thereof. The tin borate microwave dielectric ceramic with the near-zero temperature coefficient has a chemical formula of (1?x)BaSn(BO3)2?xTiO2, x being in a range of 0.05 to 0.25; where a principal crystalline phase of the tin borate microwave dielectric ceramic with the near-zero temperature coefficient has a chemical formula of BaSn(BO3)2.

Abstract: A composition of Malus niedzwetzkyana Dieck and Prunus cerasifera Ehrhart, wherein the weight ratio of Malus niedzwetzkyana Dieck to Prunus cerasifera Ehrhart is 1:10-10:1. The composition has a synergistic effect in terms of preventing and-or treating atherosclerosis. The product forms of the composition of Malus niedzwetzkyana Dieck and Prunus cerasifera Ehrhart include a fruit juice, a jam, a fruit powder, oral liquid products, capsules, tablets, etc.

Abstract: An automatic measurement system for Sludge settling Velocity comprises a sampling and shooting module, a data service module, a data processing module, and a measurement and analysis module. The sampling and shooting module is configured to collect samples and to obtain test images of samples. The data processing module is configured to collect and store process data. The measurement and analysis module is configured to obtain the sedimentation ratios of samples according to test images. The sludge activity is analyzed according to the sedimentation ratios. When the sludge activity is abnormal, the process data are obtained from data processing module, and the process analysis data are obtained according to the data and the sludge activity analysis results. The automatic measurement system can avoid errors caused by manual measurement and improve accuracy and efficiency of detection and can avoid the problems of untimely detection.

Abstract: Provided is a dynamic time warping (DTW)-based real-time diagnosis method for a commutation failure (CF). The method includes: designing a time series template S0 containing a change of a firing angle of a phase-controlled rectifier, and having a length n and a Euclidean distance L; using an n*n matrix M to represent a Euclidean distance between each point in the S0 and each point in the Si, and constricting the matrix M with an Itakura window; calculating values of the matrix M in the search range H; setting different weights for data at different locations, and searching a shortest path L* from point (x1, y1) to point (xn, yn) of the matrix; and setting a range of the distance L of the S0 as ?, determining that the CF fault occurs if the L* is greater than ?L, or otherwise, determining that a system works normally.

Abstract: The present disclosure provides an audio adjusting method, device and apparatus, and a storage medium.

Abstract: A vibrating magnetic assembly includes a housing, a first magnet positioned within the housing and having a first permeance coefficient (Pc1), a second magnet positioned within the housing and spaced from the first magnet, the second magnet having a second permeance coefficient (Pc2), and a third magnet positioned within the housing between the first and second magnets. The third magnet has a third permeance coefficient (Pc3) and is reciprocable between the first and second magnets to cause vibration. A ratio of Pc3:Pc1 and Pc3:Pc2 is greater than 1 such that the N pole of the third magnet is magnetically attracted to the N pole of the first magnet, and the S pole of the third magnet is magnetically attracted to the S pole of the second magnet when the third magnet is positioned within a threshold distance of the respective first or second magnet.

Abstract: Methods and systems are presented for classifying a digital image of a document using a machine learning model framework. The machine learning model framework is configured to provide a classification output based on a fusion of features corresponding to different modalities and extracted from the digital image. The machine learning model framework includes multiple encoders. Each encoder is configured to encode features corresponding to a distinct modality into a respective embedding. Different embeddings generated by the multiple encoders are fused together using one or more fusion techniques. The fused embedding is provided to a machine learning model for classifying the document.

Abstract: The present invention provides a smart interactive board, a display method therefor, and a readable storage medium.

Abstract: A mobile edge computing (MEC) task unloading method with a cache mechanism includes: S1: establishing a task unloading total delay model with a cache mechanism and a mobile device-side total energy consumption model based on a user task request; S2: based on the task unloading total delay model and the mobile device-side total energy consumption model, with a goal of minimizing a task unloading total delay and a mobile device-side total energy consumption, establishing a joint optimization model configured for task unloading and caching and having a constraint; S3: transforming the joint optimization model into a fitness function for a particle, where the user task request is the particle; and S4: determining an optimal solution of the particle by using a particle swarm algorithm based on the fitness function, where the optimal solution of the particle is an optimal task unloading decision of the user task request.

Abstract: The embodiment of the present disclosure provides a data transmission method, a central control terminal, a mobile terminal and a data transmission system and relates to the field of data transmission for realizing data transmission in a multi-person conference in a network-free environment and improving the convenience of data transmission. The data transmission method is applied to a central control terminal and includes: reading an identification information of a mobile terminal in response to a near field communication signal from the mobile terminal; and determining whether the identification information belongs to a target identification set; performing Bluetooth connection and data transmission with the mobile terminal when the identification information belongs to the target identification set.

Abstract: Disclosed are a borate MWDC with a low dielectric constant and a preparation method thereof by cold sintering. The method for preparing a borate MWDC with a low dielectric constant by cold sintering, including: subjecting a boron source and a metal source to first mixing to obtain a first mixture; subjecting the first mixture to presintering to obtain a presintered material; subjecting the presintered material and a boron oxide solution to second mixing to obtain a second mixture; and subjecting the second mixture to cold sintering to obtain the borate MWDC with the low dielectric constant.

Abstract: A voice control method and apparatus, a readable storage medium, and an electronic device, relating to the technical field of voice control. The method comprises: acquiring user voice information, and creating a voice control relationship between a user and a target voice control window on the basis of the user voice information, wherein the target voice control window is one of a plurality of voice control windows displayed in a display terminal; and converting the user voice information into a control instruction, and executing control content corresponding to the control instruction in the target voice control window.

Abstract: The present disclosure provides an audio adjusting method, device and apparatus, and a storage medium.

Abstract: The present invention provides a smart interactive board, a display method therefor, and a readable storage medium.

Abstract: An intrinsic process signal-based online expulsion detection method for resistance spot welding process, which comprises: acquiring the intrinsic process signal and current signal output by sensors installed at two electrodes in real-time during the welding process and establishing a relationship graph; performing expulsion judgement based on the relationship graph to obtain expulsion frequency, single intrinsic process signal feature and an accumulated feature; calculating expulsion metal volume according to the accumulated feature and electrode profile features to obtain a prediction expulsion metal amount. The method performs online prediction of the expulsion metal amount according to the intrinsic process signal for resistance spot welding process, thereby achieving online quantitative estimation of the expulsion intensity, overcoming the defect of the traditional technology which relies on manual detection, and improving detection efficiency and accuracy.

Abstract: An automatic measurement system for Sludge settling Velocity comprises a sampling and shooting module, a data service module, data processing module, and a measurement and analysis module. The sampling and shooting module is configured to collect samples and to obtain a test images of samples. The data processing module is configured to collect and store process data. The measurement and analysis module is configured to obtain the sedimentation ratios of samples according to test images. The sludge activity is analyzed according to the sedimentation ratios. When the sludge activity is abnormal, the process data are obtained from data processing module, and the process analysis data are obtained according to the data and the sludge activity analysis results. The automatic measurement system can avoid errors caused by manual measurement and improve accuracy and efficiency of detection and can avoid the problems of untimely detection.

Abstract: A method and apparatus for generating an unordered list, a method for managing images and a terminal device are disclosed. The method for generating the unordered list includes: randomly acquiring a first element from an ordered list and inserting the first element into the unordered list; cycling the execution of the following steps in a case where a number of current elements in the unordered list is smaller than a sum of elements in the ordered list: determining whether a position at which the first element is located is an edge position in the ordered list and randomly acquiring a second element from the ordered list based on a determining result, and randomly acquiring a target position from the unordered list and inserting the second element into the target position in the unordered list; and ending the cyclic execution in a case where the number of the elements in the unordered list is equal to the sum of the elements in the ordered list.

Abstract: The present invention discloses a hemming-stitch-free warp-knitted elastic fabric and a method for knitting thereof. The method includes: making a non-elastic yarn pass across a guide needle of the first guide bar and form the surface of the fabric by knitting via two needles or three needles in a 1×1 or 2×1 warp plain stitch loop mode, and making an elastic yarn pass across a guide needle of the second guide bar and form the inside of the fabric by knitting with the aforementioned non-elastic yarn in the same direction via three needles in a open double warp plain stitch loop mode, and two loops are continuously formed on each course of the open double warp plain stitch loop. The hemming-stitch-free warp-knitted fabric produced according to the present invention has good snagging grade, moderate horizontal straight tensile force and good resilience.

Abstract: Methods, systems, and apparatuses, including computer programs encoded on computer storage media, for federal learning are disclosed. One exemplary method may include receiving, by a client device from a server device, model parameters of a global machine learning model being collaboratively trained by the client device and the server device; constructing, by the client device, a local machine learning model based on the model parameters of the global machine learning model, wherein the local machine learning model comprises two branches corresponding to two loss functions; training, by the client device, the local machine learning model based on local training data, wherein the training comprises updating the model parameters to minimize a first loss function of the two loss functions and maximize a second loss function of the two loss functions; and sending, by the client device, the updated model parameters back to the server device.