Abstract: The present invention provides a method for directly preparing nickel sulfate from low nickel matte, a nickel sulfate and an application thereof, the method comprising the following steps: a) pre-treating a low nickel matte to obtain ferronickel powder; b) mixing the ferronickel powder with a sulfuric acid solution, stirring, dissolving, and then evaporating, to obtain a supersaturated sulfate solution; c) cooling the supersaturated sulfate solution to ?5° C.-0° C., and performing suction filtration to obtain an insoluble solid; d) washing the insoluble solid with water, and removing impurities from the filtrate to obtain a nickel hydroxide precipitate; impurity removal comprising successively removing iron, and removing calcium and magnesium; e) washing the nickel hydroxide precipitate with water, acid-dissolving and evaporating to obtain nickel sulfate. The present invention increases the amount of nickel recovered, the purity of nickel sulfate being 18.10%-19.24% nickel, and the recovery rate being 94.

Abstract: The present invention relates to: a light-blocking fabric usable in blinds for shading or wind protection; and a manufacturing method therefor. The light-blocking fabric including: two light-shielding parts which are made of a non-transparent fabric; and a light-transmitting part located between the two light-shielding parts, and attached to a position that is at least half of any one surface of the light-shielding parts so as to overlap therewith in the longitudinal direction, wherein the light-shielding parts and the light-transmitting part can be attached together by various methods such as hot melting, an adhesive, sewing, or ultrasonic welding.

Abstract: A blood pressure measuring apparatus according to an aspect of the present invention includes: a touch sensor; a pulse wave measurer configured to measure pulse waves from a user; a contact force measurer including at least three force sensors and configured to measure a contact force between the touch sensor and the user by using the at least three force sensors; a contact area measurer configured to measure a contact area between the user and the touch sensor; and a processor configured to determine a vertical direction error, which indicates a degree of deviation of a direction of force, applied by the user to press the touch sensor, from a vertical direction to a surface of the touch sensor based on sensor values sensed by the at least three force sensors, and estimate blood pressure according to a determination result of the vertical direction error based on the pulse waves, the contact force, and the contact area.

Abstract: An area registration method including setting information about a work vehicle that autonomously travels in a travel area; setting a work area which is included in the travel area and in which the work vehicle performs work; setting a headland area that is included in the travel area and is located on the outer side of the work area; and, when an operation for inputting the set information of the headland area is received after the work area and the headland area have been set, changing the sizes of the work area and the headland area on the basis of the inputted set information.

Abstract: Embodiments of this application provide a network attach method and user equipment. The method is applied to UE, and includes: sending a first network attach request message to a first target gateway according to the first information; where the first information is used to indicate load information of each of M gateways; the first target gateway is at least one gateway, to which the UE has never sent a network attach request message, in the M gateways; and the first network attach request message is used to request to attach to a 3GPP network through an untrusted Wi-Fi network, where M is a positive integer.

Abstract: According to various embodiments, a robot device comprises: a mast extending in one direction; a pivoting structure including a pivot mounted on one end portion of the mast and configured to pivot with respect to the mast; a casing accommodating at least a portion of the pivoting structure, and configured to linearly reciprocate with respect to the pivoting structure in a direction parallel or oblique to the direction in which the mast extends; and an elastic outer cover accommodating at least a portion of the mast, wherein the elastic outer cover may include a first portion fixed to the casing.

Abstract: A miniature pump includes an upper shell, an air bag and a lower shell. The air bag is formed on the upper shell. The lower shell is connected to the upper shell in an air-tight manner. The air bag is compressible to pump air from it and expansible to suck air into it. The lower shell includes two grids for reinforcement so that the lower shell is not deformed when the air bag is compressed on the lower shell.

Abstract: Provided are an optical film, a polarizing plate including same, and a display device including same, the optical film comprising a first layer and second and third layers sequentially formed on the first layer, wherein the first layer and the third layer are each formed directly on the second layer, the first layer is a reverse wavelength dispersive negative A layer, the third layer is a positive C layer, and the ratio of the thickness of the second layer to the thickness of the third layer (the thickness of the second layer/the thickness of the third layer) is about 0.2 to about 2.

Abstract: An operation control method for a household electrical appliance includes performing network configuration with a plurality of servers according to different network protocols; upon receiving a control instruction sent by one of the plurality of servers, determining a processing priority of the control instruction; and processing the control instruction according to the processing priority and a preset multi-protocol processing mechanism.

Abstract: Disclosed are a resource determination method and apparatus for flexible acquisition of a PUCCH resource by a terminal at each sub-slot or each TRP. At a terminal side, a resource determination method provided in the present disclosure includes receiving configuration signaling, and acquiring at least one physical uplink control channel (PUCCH) resource set on the basis of the configuration signaling, determining a target PUCCH resource set; and according to a PUCCH resource indication domain and the serial number of a target corresponding to the PUCCH, determining a PUCCH resource from the target PUCCH resource set, and the target includes a sub-slot where PUCCH transmission is located and/or a transmission receiving point (TRP) corresponding to the PUCCH.

Abstract: The flexible structure includes substrate and n rows of first pads arranged on a side of substrate, first pads in each row arranged along a first direction; a virtual extension line of the first pad extends in an oblique direction with respect to a second direction, and virtual extension lines of all first pads intersect at a same convergent point, the first direction is perpendicular to the second direction; at least one equally-divided point is defined in a space between two adjacent first pads in an i-th row; and a central point of each first pad in an (i+1)-th row, a first setting equally-divided point of the at least one equally-divided point, and the convergent point are located on a same straight line, n is integer greater than 1, i is positive integer, i less than n, and m equal to (n?i+1).

Abstract: A joint for the angularly adjustable drive-connection of a cylinder block and a driveshaft of a hydrostatic bent axis piston unit. The joint has a shank which is rotatable about its longitudinal axis defining a joint axis, on both ends of the shank roller carriers project radially and basically perpendicular to the joint axis. On each roller carrier a roller is provided rotatable around a roller axis. The rollers are secured in axial direction against slipping-off of the roller carriers by means of an embossed area located axially outside of the roller on the respective distal end portion of the roller carrier.

Abstract: A motor and blade mounting structure of a ceiling fan, the ceiling fan has a motor, at least one bracket, and at least one blade. The at least one bracket has at least one mounting portion. The mounting portion of the at least one bracket is configured for mounting the at least one blade. The motor has a rotor. The rotor of the motor is fixedly connected to the at least one bracket. The motor and blade mounting structure enhances assembly convenience, safety, structural support and durability.

Abstract: A method and a device for localizing and lateralizing a brain functional region, an electronic apparatus, and a storage medium are provided herein, wherein the method for localizing and lateralizing the brain functional region comprises: acquiring brain structural magnetic resonance imaging data and brain functional magnetic resonance imaging data of a subject (201) based on the brain structural magnetic resonance imaging data and the brain functional magnetic resonance imaging data, determining a brain functional map of the subject (202), wherein the brain functional map comprises brain functional region identifiers of at least two brain functional regions and a corresponding set of voxels; for each of to-be-clinically-intervened voxels in a set of the to-be-clinically-intervened voxels, determining, based on the to-be-clinically-intervened voxel and the brain functional map, the brain functional region identifier corresponding to the to-be-clinically-intervened voxel (203); and determining a brain functiona

Abstract: Disclosed are a semiconductor device and a method of fabricating the same. The device may include a substrate, an active pattern in an upper portion of the substrate and is extending in a first direction, a gate electrode crossing the active pattern and extending in a second direction intersecting the first direction, a first gate spacer covering a side surface of the gate electrode, a first inhibition layer between the gate electrode and the first gate spacer, and a gate insulating layer between the gate electrode and the active pattern. The gate insulating layer may include a high-k dielectric layer and a gate oxide layer. The gate oxide layer may be between the high-k dielectric layer and the active pattern. The high-k dielectric layer may be between the gate oxide layer and the gate electrode.

Abstract: A ceiling ladder having a plurality of sections that can be climbed by a user when in an unfolded position into an attic and that can be folded together into a retracted position to be stored above the ceiling. The ladder has a deep step, which has a width greater than the width of other steps of the ladder, in which is located between about 2-5 feet from the floor when the ladder is in the unfolded position so that a user can stand on the deep step and place objects into the attic without having to climb into the attic.

Abstract: A display panel assembly includes a display panel and driving devices. The display panel includes first multiplexers; each first multiplexer is configured to control the first load connection terminal (N11) to be electrically coupled to one of two first data lines (S1), and to control the second load connection terminal (N12) to be electrically coupled to the second or third data line (S2 or S3); each driving device includes data signal generators, and second multiplexers; each second multiplexer is configured to control the first signal generating terminal (N21) to be electrically coupled to one of the two first data signal generators, and control the second signal generating terminal (N22) to be electrically coupled to the second or third data signal generator; and the first and second load connection terminals (N11, N12) are electrically coupled to the first and second signal generating terminals (N21, N22), respectively.

Abstract: A series-hybrid vehicle includes an internal combustion engine for electric power generation and a motor generator for travelling. The internal combustion engine is cooled by a second coolant water circuit that has a main radiator. A first coolant water circuit having a sub radiator is used to cool a front wheel-side power train cooling part, a rear wheel-side power train cooling part, a water-cooled condenser, and a low temperature-side intercooler. When the vehicle is accelerating, an electrical compressor for an air conditioner comes to a stop, and the circulation of refrigerant to the water-cooled condenser is brought to a halt.

Abstract: A semiconductor memory device may include a mold structure that includes mold insulation films and gate electrodes alternately stacked on a first substrate, a channel structure that penetrates the mold structure and intersects the gate electrodes, a block separation region that extends in a first direction parallel to an upper surface of the first substrate and cuts the mold structure, a first dam region and a second dam region spaced apart from each other, that each having a closed loop in a plan view and each cutting the mold structure, pad insulation films in the first and second dam regions that are alternately stacked with the mold insulation films and include a material different from the mold insulation films, and a through via which penetrates through the first substrate, the mold insulation films, and the pad insulation films, in the first dam region but not in the second dam region.