Abstract: Provided are material and preparation method thereof, and battery. The anode material includes an active substance. Surface compactness of the anode material is ?, and ??80%. ? is measured by the following test methods: the anode material with mass of m1 g is soaked in a hydrofluoric acid solution with a mass fraction of 20% for 1 hour, then washed and dried to obtain m2 g of a material, and the surface compactness of the anode material is obtained through calculated, where ?=m2/m1×100%.

Abstract: Provided are anode material and battery. The anode material includes a carbon material and silicon material. The anode material has pores. An average shape coefficient of the anode material is F0, and 0.65?F0<1. The average shape coefficient F0 of the anode material is obtained through the following manners: ten anode material particles are randomly acquired, a cross-sectional area Sn and a circumference Cn of each anode material particle are measured, Fn=4*?*Sn/Cn2, where n is selected from natural numbers from 1 to 10, an average value of shape coefficients Fn of the 10 particles is calculated, and the average value is recorded as the average shape coefficient F0 of the anode material.

Abstract: Pod-level snapshot replication, including: generating a snapshot of a data set included in a source pod of a storage system; and replicating the snapshot of the data set to a target pod different than the source pod.

Abstract: An electrical connector includes: an insulating housing having an upper surface, a lower surface, and elongate slots running through the housing; plural rows of first terminals retained in corresponding elongate slots, each of the first terminals comprising a body portion, a transverse portion, an upper elastic arm extending upwardly from the transverse portion and then bending above the body portion, a lower elastic arm extending downwardly from the transverse portion and then bending below the body portion, the transverse portions being connected with corresponding body portions of adjacent first terminals of each row; plural rows of second terminals secured to the housing, wherein a first notch is formed between the lower elastic arm and the body portion of an adjacent first terminal and opens downward, each of the elongate slots defines plural support platforms, and the first notches of each row of first terminals ride on corresponding support platforms.

Abstract: Techniques for monitoring cerebral blood metrics such as cerebral blood flow, cerebral blood volume and/or heart rate are provided. In some embodiments, techniques involve a headset with at least one laser configured to emit light into the brain and one or more light detectors such as CMOS sensors that generate information indicative of light reflected from one or more structures within the brain, which can be used to determine the cerebral blood metrics. Each light detector may be positioned within 5 mm of the scalp in some cases.

Abstract: An apparatus an apparatus includes a light source and freeform optics optically coupled to the light source. The apparatus also includes a spatial light modulator (SLM) optically coupled to the freeform optics and a prism optically coupled between the freeform optics and the SLM. Additionally, the apparatus includes eyepiece optics optically coupled to the prism.

Abstract: A power adjustment method and an apparatus are provided, to improve stability of transmit power of an uplink signal, so that the uplink signal can be effectively transmitted. The method includes: receiving a medium access control control element (MAC CE), wherein the MAC CE is used to update a pathloss reference signal; applying the pathloss reference signal no later than n+X+T, n is a time for sending feedback information, the feedback information is used to feed back that the MAC CE is correctly received, X is fixed duration, and T is variable duration; and determining a transmit power of an uplink signal based on the pathloss reference signal. It can be learned that the effective time of the pathloss estimation value is not later than n+X+T.

Abstract: Aspects described herein relate to using machine learning (ML) models for performing channel state information (CSI) encoding or decoding, CSI-reference signal (RS) optimization, channel estimation, etc. The ML models can be trained by a user equipment (UE), separately by the UE and a network node (e.g., base station), or jointly by the UE and network node.

Abstract: An array substrate is provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.

Abstract: Disclosed is a measurement method for characterizing ferrite grain size and phase fraction of duplex stainless steel, including the steps of: conducting heat treatment on industrial pure iron and duplex stainless steel respectively; conducting wire cutting on the samples to obtain the samples to be tested; measuring ferrite grain diameters and phase fractions of the samples to be tested; testing the samples to be tested based on an improved U-shaped sensor probe to obtain test data; constructing a response relational database; obtaining the information of the sample of arbitrary ferrite grain size and phase fraction. The present invention adopts an innovative electromagnetic characterization method to measure single microcomponents in the steel and iron materials, which can be applied to the measurement of smaller samples and improve the measurement efficiency.

Abstract: Techniques for determining stroke risk are provided. In some embodiments, the techniques may involve causing, using one or more light sources disposed on a headset worn by a user, light to be emitted into the head of the user. The techniques may involve obtaining, using one or more light detectors disposed on the headset, information indicative of light reflected from one more structures within the head, wherein a portion of the obtained information spans a time period during which the user was holding their breath. The techniques may involve based on the obtained information, determining one or more cerebral blood metrics. The techniques may involve providing a representation of the one or more cerebral blood metrics as input to a trained machine learning model, and determining a likelihood the user will experience a stroke over a predetermined future time period based on an output of the trained machine learning model.

Abstract: An outbound packet is detected from a client device of a first spoke destined to a client device of a second spoke over SD-WAN through a hub connecting the first and second spokes with IPSec tunneling. The first spoke is on a local enterprise network, the second spoke is on a remote enterprise network and the hub is on wide area network, and each of the first spoke, the second spoke and the hub are each ADVPN2.0 compatible. Responsive to the detection, a health check is performed on the remote spoke. A path is selected between a local NAT device of multiple NAT devices of the first spoke and a remote NAT device of the multiple remote NAT devices of the second spoke, based on link quality data of the response. A NAT hole is punched between a selected local NAT and a selected inbound NAT and an IPSec tunnel is established, independent of the hub.

Abstract: Described are a method, system, and computer program product for machine learning using decoupled knowledge graphs. The method includes generating a graph including nodes connected by edges based on data of entities in a network. Generating the graph includes generating entity nodes, determining a distribution of values for an attribute of the entities, generating a lower attribute node associated with a lower subset of values for the attribute, generating a higher attribute node associated with a higher subset of values for the attribute, and generating edges connecting the nodes. The method also includes initializing node embeddings, and generating representations of the nodes by repeating, until convergence, updating the embeddings of the entity nodes while holding other embeddings static, and updating the embeddings of the non-entity nodes while holding other embeddings static. The method further includes executing a machine learning model using the representations.

Abstract: An optimal configuration method and device for energy storage capacity of an optical storage system, and apparatus and storage medium are provided, and relates to the photovoltaic field. The specific steps includes: obtaining original output data of a photovoltaic power station for step output; constructing a model of genetic algorithm, and determining algorithm parameters and a fitness function of the genetic algorithm; performing optimization operation based on the genetic algorithm and the original output data to obtain a recommended energy storage capacity, and building an energy storage device according to the recommended energy storage capacity.

Abstract: A rotorcraft with distributed propulsion system having the capability to convert between two configurations suitable for thrust borne VTOL (vertical take-off and landing) flight and partial wing borne airplane flight. The rotorcraft includes a fuselage, an empennage, a vertical stabilizer, a rudder, a pair of wings, a pair of flaps, a pair of canards, a pair of pylons, a pair of tiltable rotor booms and a plurality of rotors. The tiltable rotor booms are associated to an actuator to change collectively the direction of the rotor thrust vector. The rotor can be open rotor or ducted rotor. The rotor booms oriented in the canted position is the first configuration suitable for partial wing borne flight and the rotor booms oriented in the horizontal position is the second configuration suitable for thrust borne flight.

Abstract: Anode material, preparation method therefor, and lithium-ion battery are provided. The anode material includes a porous carbon substrate and silicon, the silicon being dispersed in the pores and/or surface of the porous carbon substrate. The preparation method for the anode material includes: mixing and treating a porous carbon powder and a binder to obtain a porous carbon substrate; and compounding silicon nanoparticles on the porous carbon substrate to obtain the anode material. Adjusting and selecting process parameters allows for reducing the porosity between porous carbon, and further forming a high-density anode material.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may generate multiple channel state information (CSI) reports that are linked together for coherent joint transmission (CJT) with multiple transmit receive points (TRPs). The UE may transmit the multiple CSI reports that are linked. Numerous other aspects are described.

Abstract: An intelligent adjustment method and system for an LED backlight drive, a device and a storage medium are disclosed. The method includes: acquiring optimized channel current on each of other LED substring branches other than a non-maximum conduction branch; calculating, according to the optimized channel current, the number of cycles of conducting PWM of each LED substring branch in one frame of a frame synchronizing signal as the number of cycles of the optimized conducting PWM; and adjusting a channel current of each LED substring branch to be a corresponding optimized channel current, and adjusting the number of cycles of a conducting PWM of each LED substring branch to be the number of cycles of the optimized conducting PWM.

Abstract: The present application is applicable to the field of semiconductor technology and provides a method for packaging stacking a flip chip, which includes: placing a filling template on a substrate, the filling template being provided with a through hole of a preset pattern; filling a filling material into the through hole of the filling template, and after the filling material being formed on the substrate, removing the filling template; placing a chip with solder balls on the substrate formed with the filling material, such that at least a portion of the solder balls being covered by the filling material; and connecting the chip to the substrate through the solder balls, and curing the filling material with air gaps formed between the at least a portion of the solder balls covered with the filling material.

Abstract: The invention provides a method and a system for generating a polarized propagation-invariant light field. The system includes a laser source, a spatial light modulator, a computer, a first lens, a shading element, a first quarter-wave plate, a second quarter-wave plate, a second lens, and a beam combining element. In the present invention, two Laguerre-Gaussian mode beams that satisfy a particular Gouy order relationship are generated, and orthogonal even polarization is applied to the two Laguerre-Gaussian mode beams. The two Laguerre-Gaussian mode beams are then focused onto a Ronchi grating to be stably combined into polarized propagation-invariant light field. The light field generated in the present invention simultaneously has linear polarization, elliptical polarization, and circular polarization in a cross section of the light field, and in a propagation process of the light field in free space, apart from normal spot size scaling, polarization distribution remains unchanged.