Abstract: Integration method of a large-scale silicon-based lithium niobate film electro-optic modulator array. By using the method, the difficulty of a fabrication process of a lithium niobate crystal layer is reduced, requirements on precision of bonding lithium niobate and silicon is reduced, and fabrication and bonding of the large-scale array lithium niobate crystal layer can be completed at one time, so that production efficiency of the silicon-based lithium niobate film electro-optic modulator array is greatly improved; through design and optimization of the structure of the silicon crystal layers, light can be naturally alternated and mutually transmitted in silicon waveguides and lithium niobate waveguides, and a high-performance electro-optic modulation effect of the lithium niobate film is achieved.

Abstract: A display screen control method and a terminal for monitoring whether a terminal satisfies a low-power running condition, where a display screen of the terminal is an organic light emitting display screen, and each pixel unit of the organic light emitting display screen includes at least one red subpixel, at least one blue subpixel, and at least one green subpixel, and decreasing a frequency of any one or two of a drive signal of the red subpixel, a drive signal of the green subpixel, and a drive signal of the blue subpixel when it is detected that the terminal satisfies the low-power running condition.

Abstract: An electronic speaker can include: a device housing that defines an interior housing cavity; an audio driver disposed within the interior housing cavity; and a foot assembly coupled to the device housing and operable to support the electronic speaker. The foot assembly can include: a foot assembly sidewall having an outer sidewall perimeter extending outwardly away from a central neck; a planar foot having an outer foot perimeter proximate the outer sidewall perimeter where an upper surface of the planar foot cooperates with an interior surface of the foot assembly sidewall to create an internal cavity within the foot assembly; a suspension system disposed within the foot assembly internal cavity and coupling the planar foot to the foot assembly sidewall.

Abstract: The present application discloses dual-function starch-based composite nanoparticles as well as a preparation method and application thereof. The preparation method comprises: hydrolyzing starch to form linear dextrin, grading the linear dextrin by using an alcohol-alcohol gradient precipitation method to obtain linear dextrin having homogeneous molecular weight distribution; oxidizing the linear dextrin by adopting an oxidation system to obtain oxidized dextrin; carrying out complex reaction on the oxidized dextrin and curcumin to form an oxidized dextrin-curcumin complex; and forming an oxidized dextrin-curcumin/chitosan hydrochloride composite nanoparticles from the oxidized dextrin-curcumin complex and chitosan hydrochloride. The aqueous phase solution of the dual-function starch-based composite nanoparticles containing gel polysaccharide is uniformly mixed with primary emulsion, calcium ion induction is carried out on the obtained double emulsion to obtain double-emulsion gel.

Abstract: A narrowband apparatus determines a set of monitored resource blocks (RBs) on a subframe for monitoring for CRS from a base station may monitor for the CRS from the base station on the subframe based on the set of monitored RBs. The base station determines a bandwidth for transmitting the CRS to a user equipment, the bandwidth being less than a system bandwidth and transmits the CRS to the UE using the determined bandwidth. The UE monitors for the CRS on a set of monitored RBs. The set of monitored RBs may include a center set of resource blocks and a number of resources blocks around a center frequency on a subset of subframes. The center set of resource blocks may have a size based on a bandwidth capability of the UE and a system bandwidth.

Abstract: The present disclosure is to provide an adjustable vehicle wheel brake space inspection tool. The adjustable vehicle wheel brake space inspection tool is configured to detect the brake space of the vehicle wheel during usage and is configured to adapt to wheels of any size; and meanwhile, the adjustable vehicle wheel brake space inspection tool has the characteristics of high universality and detection accuracy, simple structure, low manufacturing cost, convenient operation, and the like.

Abstract: Provided herein are compounds, preferably thyroid hormone receptor beta (THR beta) agonist compounds, compositions thereof, methods of their preparation, and methods of agonizing THR beta and methods for treating disorders mediated by THR beta.

Abstract: Aspects described herein include a computer-implemented method and associated system and computer program product. The method includes training a model using a plurality of defect images. Each defect image corresponds to a respective first feature combination of encoded textual features of a predefined set of textual features. The method further includes generating a first synthetic image using the model. The first synthetic image corresponds to a second feature combination of encoded textual features of the predefined set that is distinct from the first feature combinations.

Abstract: Embodiments provide methods and apparatuses of allocating resources in a network of computing service nodes to applications. Based on a first service level agreement (SLA) for a first application, a number of physical central processing unit cores and respective quantities of additional physical resources needed are determined to satisfy the first SLA; one or more of the service nodes are selected that collectively have available the number of physical CPU cores and the respective quantities of the one or more additional physical resources wherein the one or more additional physical resources comprise a last level cache (LLC); a first virtual machine on one of the selected service nodes is allocated for the first application; the number of physical CPU cores and the respective quantities of the one or more additional physical resources on the selected service nodes are reserved for use by the first virtual machine.

Abstract: A method of reducing color in an alkanolamine, the method comprising: contacting the alkanolamine with an amount of an aqueous solution effective to provide 5 to 1000 parts per million by weight of an alkali metal borohydride, based on parts by weight of the alkanolamine; and 0.5 to 10,000 parts per million by weight of an alkali metal hydroxide, based on parts by weight of the alkanolamine; preferably wherein the color-reduced alkanolamine is not distilled after the contacting.

Abstract: This application discloses a method implemented at a server to facilitate secure offline transactions. The server receives, from a client device, an authorization request that includes a user identifier, first financial account information and a secure code. The server authenticates the authorization request, and sends a first transaction approval to the client device. Then, in accordance with the information received in the authorization request, the server facilitates a secure transaction between the client device and a point-of-sale (POS) machine while the client device is offline. Specifically, the server receives, from the POS machine, a transaction request that includes at least the user identifier and the security code. The server retrieves the first financial account information from a memory according to the user identifier and the security code, performs a transaction operation associated with the first financial account information, and sends a second transaction approval to the POS machine.

Abstract: A method and a device for enhancing brightness and contrast of a video image are provided. In the method, an inflection point, a truncation point, a maximum value of a brightness component, and a minimum value of the brightness component of an image frame to be processed are determined based on the brightness component of the image frame to be processed, a piecewise linear function is determined based on the inflection point, and brightness and contrast enhancement processing is performed on the image frame to be processed based on the piecewise linear function. Compared with the brightness and contrast enhancement method in conventional art, the method and device of the application can achieve better brightness and contrast enhancement effects.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.

Abstract: A gas control system of a non-road gas engine and a gas control method thereof are disclosed by the present disclosure. The gas control system includes a mixer, the mixer is provided with an air inlet, a gas inlet and a mixed gas outlet respectively, the air inlet is provided with a first pressure sensor, the gas inlet is provided with a second pressure sensor and a pressure regulating valve that are spaced apart, and the mixed gas outlet is provided with a third pressure sensor; the first pressure sensor, the second pressure sensor, the pressure regulating valve and the third pressure sensor are respectively electrically connected to a controller, and the controller controls an opening degree of the pressure regulating valve according to pressure information fed back by the first pressure sensor, the second pressure sensor and the third pressure sensor so as to adjust an air-gas ratio of the mixed gas. The system has a simple structure.

Abstract: A method of assisted takeoff of a movable object includes increasing output to an actuator that drives a propulsion unit of the movable object under a first feedback control scheme, determining whether the movable object has met a takeoff threshold, and controlling the output to the actuator using a second feedback control scheme different from the first feedback control scheme in response to the movable object having met the takeoff threshold.

Abstract: The present disclosure provides a flexible circuit board. The flexible circuit board includes a substrate; a conductive layer, disposed on the substrate; and a cover layer, disposed on a side of the conductive layer facing away from the substrate. The flexible circuit board is provided with a through hole penetrating through the flexible circuit board in the thickness direction. The cover layer includes a hollowed-out region located at least at an edge of one side of the through hole. The conductive layer includes an electrostatic discharge section exposed in the hollowed-out region.

Abstract: Embodiments of a three-dimensional (3D) memory device with a corrosion-resistant composite spacer and method for forming the same are disclosed. In an example, a 3D memory device includes a substrate, a memory stack disposed on the substrate and including a plurality of conductor/dielectric layer pairs, a plurality of memory strings each extending vertically through the memory stack, a slit contact disposed laterally between the plurality of memory strings, and a composite spacer disposed laterally between the slit contact and at least one of the memory strings. The composite spacer includes a first silicon oxide film, a second silicon oxide film, and a dielectric film disposed laterally between the first silicon oxide film and the second silicon oxide film.

Abstract: Methods for preparing synthetic heparins are provided. Synthetic heparin compounds, including ultralow molecular weight heparin compounds are provided. Also provided are methods of chemoenzymatically synthesizing structurally homogeneous ultra-low molecular weight heparins. Heparin compounds provided herein can have anticoagulant activity.

Abstract: A method for starting a photovoltaic rapid shutdown system, an application apparatus and a system are provided. In this method, the inverter system controls a voltage of a direct current bus in the photovoltaic rapid shutdown system. The photovoltaic module breaker makes determination based on a detected output voltage of the photovoltaic module breaker. In a case that the change characteristics of the voltage of the direct current bus connected to the photovoltaic module breaker meets the predetermined turn-on condition, the photovoltaic module breaker controls itself to be turned on. Therefore, the photovoltaic module breaker can determine whether the photovoltaic module breaker receives a turn-on signal only based on its own voltage acquisition device without an additional receiving apparatus.

Abstract: The invention discloses a depth estimation and color correction method for monocular underwater images based on deep neural network, which belongs to the field of image processing and computer vision. The framework consists of two parts: style transfer subnetwork and task subnetwork. The style transfer subnetwork is constructed based on generative adversarial network, which is used to transfer the apparent information of underwater images to land images and obtain abundant and effective synthetic labeled data, while the task subnetwork combines the underwater depth estimation and color correction tasks with the stack network structure, carries out collaborative learning to improve their respective accuracies, and reduces the gap between the synthetic underwater image and the real underwater image through the domain adaptation strategy, so as to improve the network's ability to process the real underwater image.