Abstract: A monolithic bus slave circuit structure is provided, including: a monolithic integrated chip, a rectifier bridge, a first light circuit, a second light circuit, and a third light circuit. The monolithic integrated chip includes a bus voltage input pin, a ground pin, a first drive signal output pin, a second drive signal output pin, a third drive signal output pin, and a power output pin. Both the bus voltage input pin and the ground pin are connected to an output end of the rectifier bridge, two input ends of the rectifier bridge are connected to a positive line and an negative line of a bus respectively, the ground pin is grounded. The monolithic bus slave circuit structure realizes the intelligent constant current drive function and drive the light circuits with constant current in the voltage range of the whole bus, which does not depend on the parameters of the LEDs.

Abstract: The present invention provides a common-mode rejection ratio and gain trimming circuit of differential amplifier, comprising: a first trimming unit and a second trimming unit coupled between an in-phase input voltage and a reference voltage, wherein the first trimming unit and the second trimming unit are coupled to a positive input terminal of the differential amplifier by means of tap switches; a third trimming unit and a fourth trimming unit coupled between tan inverting input voltage and an output terminal of the differential amplifier, wherein the third trimming unit and the fourth trimming unit are coupled to a negative input terminal of the differential amplifier by means of tap switches; wherein, the first trimming unit, the second trimming unit, the third trimming unit, and the fourth trimming unit comprise: a first trimming resistor string and a second trimming resistor string coupled in series; the first trimming resistor string is coupled in parallel with a first trimming auxiliary resistor string

Abstract: A device and a method for continuous temperature gradient heat treatment of a rod-shaped material are disclosed. The furnace body of the device includes an upper heating zone and a lower heating zone inside, which are independently controlled in temperature by means of an upper heating power supply and a lower heating power supply. Moreover, both the upper heating zone and the lower heating zone are closed heating zones. The closed heat insulation plates could prevent heat loss and ensure precise temperature control of the upper heating zone and the lower heating zone. In the device, a vacuum pumping equipment is included; an annular radiation screen is configured between the upper heating zone and the lower heating zone, and the rod-shaped material is not in contact with the annular radiation screen The rod-shaped material conducts one-dimensional heat transfer along the axial direction.

Abstract: A shipping cover for a staple cartridge includes a body having an upper surface and a lower surface that is in close opposition to the staple cartridge when the shipping cover is secured to the staple cartridge. The shipping cover includes a latch that is received within a body of the staple cartridge to secure the shipping cover to the cartridge body. The latch is manually movable by a clinician to facilitate removal of the shipping cover from the staple cartridge.

Abstract: Various downhole logging tools and methods of using and making the same are disclosed. In one aspect a method evaluating cement bond quality in a well is provided. In a well with a particular casing/tubing configuration, waveforms of acoustic energy returning from the tubing and the casing with the tubing present are recorded. A frequency spectrum from the recorded waveforms is determined. Amplitudes of the returning acoustic energy at one or more preselected frequency(s) of interest of a range of frequencies at which the amplitudes are noticeably affected by cement bond quality for the particular casing/tubing configuration are determined. The determined amplitudes are compared with one or more baseline amplitudes to look for indications of cement bond quality. Other aspects involve time domain analysis.

Abstract: The present invention is to provide a solution of high density storage and goods-to-man picking by proposing a three dimensional warehouse system for accurate inbound and outbound operation and management and improved space utilization rate of the warehouse. The technical solution includes a rack, containers, carrier vehicles, and track-switching devices. The rack includes a track structure and defines at least one load-bearing platform. The track structure includes running tracks, and the at least one load-bearing platform located below the running track. Each container stores goods, and part of the containers are stacked and placed on the at least one load-bearing platform. The carrier vehicle moves back and forth on the running tracks to perform storage and retrieval operations in the container storage system. The track-switching device is configured to switch the carrier vehicle from a current running track where the carrier vehicle is located to a target running track.

Abstract: The present disclosure relates to wireless communication technology, and provides a multicast transmission control method and apparatus, a computer device, and a storage medium. The method includes: obtaining station information lists of at least two APs, the station information list including channel quality information of an associated first-type station and an associated second-type station, the first-type station being a station in an OBSS and the second-type station being a station not in the OBSS; generating multicast optimization information for the at least two APs based on the station information lists of the at least two APs respectively, the multicast optimization information indicating multicast rates and multicast receiving stations of the corresponding APs; and transmitting the corresponding multicast optimization information to the at least two APs.

Abstract: A method for manufacturing a semiconductor structure includes: forming multiple trenches spaced apart from each other and extending in a first direction in a substrate, and forming a first insulating layer on sidewalls and bottoms of the trenches; forming a first conductive layer on a surface of the first insulating layer; removing part of the first conductive layer to an initial depth by a first etching process; removing remaining part of the first conductive layer to a target depth by a second etching process.

Abstract: A system for sensing touch or proximity include: a first number of input terminals configured to couple one or more capacitive sensors, a second number of transferring units configured to transfer charges from the one or more capacitive sensors through the first number of input terminals in transferring phases of cycles of the one or more capacitive sensor, wherein at least one of the first and second numbers is equal to or greater than two, and a first switching unit, coupled between the first number of input terminals and the second number of transferring units, configured to selectively electrically couple any one of the first number of input terminals to any one of the second number of transferring units in the transferring phases.

Abstract: A current transformer (10) includes a magnetic core, a first primary-side winding, a second primary-side winding, and a first secondary-side winding. The magnetic core includes a first magnetic core structure, a second magnetic core structure, and a third magnetic core structure. The first magnetic core structure is connected to the second magnetic core structure to constitute a first closed magnetic circuit, the first magnetic core structure is connected to the third magnetic core structure to constitute a second closed magnetic circuit, and the first magnetic core structure is a magnetic core structure common to the first closed magnetic circuit and the second closed magnetic circuit.

Abstract: The present invention provides an application of nano copper in a cutting fluid. The nano copper is self-dispersible nano copper with an organic long-carbon chain, wherein the surface of copper metal is coated with a long carbon chain organic matter, and the long chain organic matter is dialkyl dithiophosphoric acid (HDDP) and a derivative thereof. In the present invention, the nano copper substitutes functional additives which comprises one or more of a preservative, an anti-rust agent, a sterilizing agent, a compression-resisting agent and a lubricant to solve the technical problems of the existing fluid in the prior art being unable to simultaneously have efficient anti-corrosion, anti-rust, compression-resistant, lubricating and sterilizing properties as well as the variety, the relatively high amount, the high cost and the limited selection of added additives.

Abstract: The present application relates to a coating composition, a process for preparing the coating composition and an article containing a coating formed by the coating composition. It relates in particular to a dual-curing coating system, comprising: a film-forming resin composition comprising an aqueous dispersion of at least one carboxyl functional polymer; a first crosslinking agent comprising an epoxy silane; and a second crosslinking agent comprising an isocyanate.

Abstract: A method and an apparatus for vehicle control, a storage medium, an electronic device, and a computer program are provided. The method is applicable to a vehicle and includes: acquiring a target deceleration, if the vehicle is traveling on a road section; and performing the braking energy recovery according to the target deceleration, if the vehicle receives a brake instruction and triggers the braking energy recovery. For each vehicle of a plurality of vehicles, the target deceleration is determined by a plurality of history decelerations of each vehicle when traveling on the road section and triggering a braking energy recovery.

Abstract: An extrusion head (1) for molding a pole piece and a molding device comprising same, and a molding method and a preparation method therefor. The extrusion head (1) comprises an extrusion head (1) housing, and a through extrusion channel (6) is provided inside the extrusion head (1) housing in an extrusion direction; and the extrusion channel (6) is divided into a transition cavity (61) and a molding cavity (62) that are in sequential butt joint and communication in the extrusion direction, and the diameter of the annular surface of the inner wall of the transition cavity (61) is gradually reduced in the extrusion direction.

Abstract: The present invention relates to RNAi constructs for reducing expression of the ASGR1 gene. Methods of using such RNAi constructs to treat or prevent cardiovascular disease, such as coronary artery disease and myocardial infarction, and to reduce serum non-HDL cholesterol levels are also described.

Abstract: The bicycle stem structure includes a mounting seat, a housing, and a vertical pipe. The housing includes a first connecting member extending toward a front wheel and a second connecting member extending toward a rear wheel. The vertical pipe is located in the first through hole. The vertical pipe is spaced apart from an inner wall of the first through hole and forms an annular cavity in communication with the second through hole. The vertical pipe is provided with a third through hole along an axial direction thereof. The mounting seat is connected to the vertical pipe and provided with at least two cable through holes through which cables are passed. At least one cable through hole is in communication with the third through hole, and at least one cable through hole is in communication with the annular cavity.

Abstract: A charging method and a charging device are provided. The charging method is configured to charge a battery. A charging process of the battery includes at least one constant current stage, and the at least one constant current stage includes a first constant current stage. The method includes: determining an open circuit voltage of the battery; and in the first constant current stage, charging the battery with a first current until the open circuit voltage of the battery reaches a first cut-off voltage, the first cut-off voltage being less than or equal to a standard limited charging voltage of the battery.

Abstract: A broadband multiple-input multiple-output (MIMO) antenna with self-decoupling characteristics includes: a dielectric substrate, a metal patch printed on an upper surface of the dielectric substrate, and a pair of horizontal back-to-back elliptical tapered slots and a vertical elliptical tapered slot etched on the metal patch. A microstrip line and another bent micro strip line are respectively used to feed the vertical elliptical tapered slot and the pair of horizontal elliptical tapered slots, and characteristic modes of the horizontal slots excited by the bent microstrip line and characteristic modes of the vertical slot excited by the micro strip line are mutually orthogonal. By adopting the technical scheme, no additional decoupling structure needs to be introduced, and lower coupling can be realized in a wider working frequency band.

Abstract: A gasket includes a first face separated a predetermined distance from a second face, having a common though-hole. A metal frame is disposed between the first and the second faces, the metal frame supporting a first feature extending outwardly from opposing planar sides of the frame towards the first and the second faces, as well as supporting a second feature also extending outwardly from opposing planar sides of the frame towards the first and the second faces. The first feature is compressible when pressure is applied to the first and the second faces, and the second feature is incompressible when the pressure is applied to the first and the second faces. The first and the second features are continuous and concentrically aligned with one another about the through-hole, and the first feature is inclined towards the through-hole.