Abstract: Methods and systems for handling and/or analyzing samples are provided. In one example, a method comprises: introducing (406), with a liquid handler (322), at least one assisting agent into a sample well (310) of a well plate (312), wherein the sample comprises a sample volume; and ejecting (408), with an acoustic droplet ejector, ADE, (306), a mixture comprising the sample mixed with the at least one assisting agent from the sample well, wherein the at least one assisting agent interacts (406) with an analyte of the sample to limit gel formation at a top surface of the sample volume, prior to the mixture ejection.

Abstract: A crossbow includes a body having a grip and a connection end respectively formed to two ends of the body. A connection part is formed to the connection end and includes a clamping portion and a top portion. The top portion includes a guide face firmed to the top thereof. A bow unit includes a bow and a block which is formed to middle portion of the bow. A string is connected between two ends of the bow. The block is detachably connected to the clamping portion to transversely position the string above the guide face. A magazine includes a mounting member located corresponding to the clamping portion. The magazine is detachably connected to the body to form a room between the guide face and the magazine for movement of the string. The magazine is secured to the body by the mounting member.

Abstract: A support plate (001) and a display device including the support plate (001) are provided. The support plate (001) is used for supporting a flexible display module (002). The support plate (001) includes a bending area (BA). The bending area (BA) includes a plurality of hollowed-out patterns (101) arranged in an array. A connecting portion (102) is arranged between two adjacent hollowed-out patterns (101) in the same row. The connecting portions (102) in at least three adjacent rows are staggered in a column direction, which is beneficial for uniform distribution of bending stress.

Abstract: Disclosed are systems, methods, and non-transitory computer-readable storage media for managing tasks in a content management system. For example, the content management system can collect, aggregate, and/or store task data assigned to a user from across projects and/or content items. The user can select to view tasks for a particular project and/or from across all projects. The content management system can generate a single graphical user interface for presenting the task data associated with the user. The content management system can generate a graphical user interface the allows the user to move tasks from one task status graphical element (e.g., task status container) to another task status graphical element to change the status of a task associated with the user. Thus, the user can quickly and easily view the tasks assigned to the user and update the status of tasks in an easy to use graphical user interface.

Abstract: Systems and methods are disclosed for timed introduction of samples into a mass spectrometer may include receiving a plurality of sample ion pulses in a mass spectrometer from a sampling interface, where the sample ion pulses are received at a pre-determined time pattern; detecting the received sample ion pulses to generate a signal; isolating an analyte signal by signal conditioning the generated signal based on the pre-determined time pattern; and identifying a presence of an analyte based on the isolated analyte signal. The signal conditioning may include pulse-based averaging based on the pre-determined time pattern or may include converting the generated signal to a frequency-domain signal and calculating a modulus to isolate the analyte signal. The pre-determined time pattern may be periodic where the signal conditioning comprises performing a Fourier Transform on the signal to convert it to a frequency-domain signal.

Abstract: A display apparatus is provided. The display apparatus includes a display panel having a display portion, a connecting portion, and a bending portion; a main support layer; and an auxiliary support layer including a main portion and a folded-back portion connected to the main portion as a unitary structure. An edge portion of the display apparatus includes a stacked structure. The stacked structure includes the connecting portion; the folded-back portion on the connecting portion; at least a part of the main portion on a side of the folded-back portion away from the connecting portion; a part of the main support layer; and a part of the display portion on a side of the part of the main support layer away from the main portion. Layers of the stacked structure is curved toward a back side of the display apparatus.

Abstract: A video coding method includes: obtaining a first video file and a second video file that are different; separately decoding the first video file and the second video file to obtain first information of a first image block in the first video file and second information of a second image block in the second video file; obtaining, based on the first information and the second information, difference information indicating a difference between the first information and the second information; and encoding the difference information to obtain encoded data. The difference information may be used to replace an original decoding result in the second video file. It is equivalent to reducing storage resources for video storage and bandwidth for video transmission while ensuring that the complete second video file can be restored.

Abstract: A directly-connected high-voltage battery energy storage system (BESS) and a control method thereof are provided. The directly-connected high-voltage BESS includes a battery module, a direct current (DC)/DC converter, a DC bus capacitor, a DC/alternating current (AC) converter, and a grid-side filter inductor. A plurality of battery modules is connected in series to form a battery cluster. The battery cluster is connected in series to the DC/DC converter to form a battery branch, and a plurality of battery branches is connected in parallel to form a battery stack. The battery stack is connected in parallel to the DC bus capacitor and then connected to a DC port of the DC/AC converter to form a battery energy storage submodule. AC ports of a plurality of battery energy storage submodules are connected in series to form a chain-type phase converter.

Abstract: The technical solution involves a board card including a storage component, an interface apparatus, a control component, and an artificial intelligence chip. The artificial intelligence chip is connected to the storage component, the control component, and the interface apparatus, respectively; the storage component is used to store data; the interface apparatus is used to implement data transfer between the artificial intelligence chip and an external device; and the control component is used to monitor a state of the artificial intelligence chip. The board card is used to perform an artificial intelligence operation.

Abstract: Technology is disclosed herein for registering a user device with a service. In an implementation, a service receives a request from a user device to begin a registration process. The request includes registration data and the public key of an asymmetric key pair. The service stores the public key in association with a session identifier and sends the session identifier to the user device. The service receives a later request from the user device to continue the registration process. The later request includes the session identifier and a digital signature created using the private key of the key pair. The service authenticates the digital signature based on the public key which is retrieved based on the session identifier. In response to authenticating the digital signature, the service sends the registration data associated with the request to the user device and registers the user device based on the registration data.

Abstract: The present application discloses a Braille module and a dot-matrix tactile display terminal, and the application relates to the technical field of tactile display. The Braille module includes a touch pad module, Braille dot driver modules, magnetic conductive plates, an enclosure panel, a bottom plate, a bottom plate accessory and a needle stand connector module. The touch pad module is provided with eight-dot array Braille dots. By adopting a modularized design scheme, the dot-matrix tactile display terminal of the present application has a wide range applications and has the technical advantages in assemblability, maintainability and processability, which are beneficial in manufacturing various types of Braille dot displays and two-dimensional touch image display devices with relatively low costs.

Abstract: A power delivery (PD) controller integrated circuit (IC) and a control method for a power switch are provided. A first terminal and a second terminal of the power switch are respectively coupled to a power pin of a universal serial bus (USB) connector and a power input terminal of a functional circuit. The PD controller IC generates a power switch control voltage to control the power switch. The PD controller IC may adjust a level of the power switch control voltage in stages during a power-on period of the functional circuit to gradually turn on the power switch.

Abstract: Embodiments of the present application provide a display apparatus. The display apparatus includes a display and a controller. The controller is configured to: while the display apparatus is working under a first signal source, present first content from the first signal source; in response to a selection of the video recording application, start a video recording process associated with the first content and monitor recording duration of the video recording process; generate a recording state control with foreground display permission while the display apparatus is connected with any signal source; in response to a source switch request, switch from the first signal source to a second signal source according to the source switch request, present second content from the second signal source, and control the video recording process to run in the background; and present the recording state control on a display interface with the second content.

Abstract: A differential chaos shift keying (DCSK) communication method based on three-dimensional constellation is provided. Target information bit is mapped to a three-dimensional constellation symbol. An initial chaotic signal generated by a chaotic generator is processed by cyclic shift to generate a chaotic signal group including the initial chaotic signal, a first shifted chaotic signal and a second shifted chaotic signal. Information modulation is performed based on the three-dimensional constellation symbol and the chaotic signal group to obtain an information-bearing signal. A transmission signal is generated based on the information-bearing signal and the initial chaotic signal, and sent to a receiver to generate a received signal, which is subjected to information recovery analysis in the receiver to obtain an estimated information bit. A DCSK communication device based on three-dimensional constellation is also provided.

Abstract: A framework that includes a feature extractor and a cluster component for clustering is described herein. The framework supports (1) offline image-based unsupervised clustering that replaces time-consuming manual gating; (2) online image-based single cell sorting. During training, one or multiple cell image datasets with or without ground truth are used to train feature extractor, which is based on a neural network including several convolutional layers. Once trained, the feature extractor is used to extract features of cell images for unsupervised cell clustering and sorting. In addition, additional datasets may be used to further refine the feature extractor after it has been trained.

Abstract: A negative pressure massage device with cold feeling mechanism and a massage stick thereof are provided. The massage stick includes a stick body and a refrigeration module. The stick body includes a cover assembly, an end cover connected to the cover assembly, and a temperature transmitting member. The end cover includes a negative pressure connection hole. The temperature transmission member includes a suction port. The stick body further includes an air pipe communicates with the negative pressure connection hole and the suction port. The refrigeration module arranged inside of the stick body. The refrigeration module including a thermoelectric cooling chip and a heat sink. The thermoelectric cooling chip including a cold end and a hot end. The cold end attached to the temperature transmitting member. The hot end thermally contacts with the heat sink.

Abstract: The present disclosure provides a battery pack including a housing, wherein the housing has a bottom portion, on which are disposed a first length side wall and a second length side wall that extend upward along a length direction of the bottom portion and are oppositely disposed, and a first width side wall and a second width side wall that extend upward along a width direction of the bottom portion and are oppositely disposed; the housing comprises a first step and a second step disposed at two ends of the first length side wall; the housing further comprises a first metal wiring terminal and a second metal wiring terminal, wherein the first metal wiring terminal and the second metal wiring terminal are disposed on the first step and the second step, respectively; a material for bearing the first metal wiring terminal and the second metal wiring terminal is a first plastic material, while other parts of the housing are made of a second plastic material, or most of other parts of the housing are made of the

Abstract: The present invention relates to an electroplating bath comprising (A) an alkane sulfonic acid or alkanol sulfonic acid; (B) a soluble metal salt of alkane sulfonic acid or alkanol sulfonic acid; and (C) at least one additive selected from—polyether derivatives of formula (I),—sulfonated or sulfated polyether derivatives of formula (II) or—any combinations thereof, wherein the groups in formulae (I) and (II) are as defined in the description and claims. The present invention also relates to a process for refining metal and a process for controlling morphology of metal deposited on cathode in electrolytic refining of the metal, which comprise using the electroplating bath according to the present invention.

Abstract: In one aspect, a calibration system for use in a mass spectrometer having an open port interface (OPI) for receiving a sample for mass analysis is disclosed, which includes a fluidic junction having a first inlet in fluid communication with a first reservoir, which is configured for storing a calibration liquid, and a second inlet in fluid communication with a second reservoir, which is configured for storing a transport liquid. The fluidic junction can further include an outlet in fluid communication with the first and second inlets such that any of the calibration liquid and the transport liquid can exit the fluidic junction via said outlet.

Abstract: A method of forming a semiconductor device includes the following operations. A substrate is provided with a device and an insulating layer disposed over the device. A silicon-containing heterocyclic compound precursor and a first oxygen-containing compound precursor are introduced to the substrate, so as to form a zeroth dielectric layer on the insulating layer. A zeroth metal layer is formed in the zeroth dielectric layer. A silicon-containing linear compound precursor and a second oxygen-containing compound precursor are introduced to the substrate to form a first dielectric layer on the zeroth dielectric layer. A first metal layer is formed in the first dielectric layer.