Abstract: A printed circuit board includes: a first insulating layer; a first wiring layer at least partially buried in the first insulating layer; a second insulating layer disposed on an upper surface of the first insulating layer; a second wiring layer at least partially buried in the second insulating layer; and a cavity penetrating through the second insulating layer and a portion of the first insulating layer and exposing a portion of the upper surface of the first insulating layer as a bottom surface of the cavity. The first wiring layer includes a wiring pattern at least partially exposed from the first insulating layer by the cavity, an upper surface of the wiring pattern has a step structure with the upper surface of the first insulating layer exposed by the cavity, and a lower surface of the wiring pattern is coplanar with a lower surface of the first insulating layer.

Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight silicon particles, the silicon particles having an average particle size between about 10 nm and about 40 ?m, wherein the silicon particles have surface coatings comprising silicon carbide or a mixture of carbon and silicon carbide, and greater than 0% and less than about 90% by weight of one or more types of carbon phases, wherein at least one of the one or more types of carbon phases is a substantially continuous phase.

Abstract: The present disclosure provides a switch power supply circuit, which includes a step-down transistor, a control module, a first switch transistor, a second switch transistor, a third switch transistor, and a power switch transistor. In the switch power supply circuit of the present disclosure, the first terminal of the second switch transistor is directly coupled with the input voltage, and the second switch transistor can directly obtain sufficient driving current from the input voltage to drive the power switch transistor. The present application can ensure the reliability and efficiency of the system without an additional energy storage capacitor, which reduces the costs of the system.

Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a plurality of gate lines and a plurality of data lines. The plurality of gate lines and the plurality of data lines define rows of sub-pixel regions, each of the sub-pixel regions includes two thin film transistors and a pixel electrode, and the two thin film transistors are both connected with the pixel electrode. Gate electrodes of two thin film transistors in an (n)th row of sub-pixel regions of the rows of sub-pixel regions are respectively connected with an (n)th gate line and an (N+1)th gate line of the plurality of gate lines, K?n?1, n and K are integers, and K is an amount of rows of the sub-pixel regions.

Abstract: A fuel cell is disclosed. The fuel cell includes a cell stack including a plurality of unit cells stacked in a first direction, an enclosure surrounding side portions of the cell stack and including at least one opening to expose at least one of opposite end portions of the cell stack therethrough, first and second end plates respectively disposed at the opposite end portions of the cell stack, and a gasket disposed between a target end plate disposed in the at least one opening in the enclosure, among the first and second end plates, and the enclosure in order to seal the cell stack.

Abstract: An array substrate, a display panel, and a display device are provided. In the array substrate, each of the pixel units includes a first pixel region and a second pixel region. The array substrate includes an alignment film located on the base substrate, a plurality of first electrode strips located in the first pixel region, and a plurality of second electrode strips located in the second pixel region. The alignment film has a first alignment direction and a second alignment direction. An extension direction of the first electrode strip and the first alignment direction have a first included angle, an extension direction of the second electrode strip and the second alignment direction have a second included angle, and the first included angle is less than the second included angle.

Abstract: The present disclosure is related to a method to control sizes of core-shell nanoparticles comprising the steps of: manufacturing slurry by irradiating ultrasonic waves to a dispersion solution containing a reducing solvent, a carbon support, a transition metal precursor and a precious metal precursor; manufacturing a solid by filtering the manufactured slurry, followed by washing and drying; and manufacturing a nanoparticle of a transition metal core and a platinum shell by heat-treating the dried solid at a temperature of 450 to 900° C. and a pressure of 1 to 90 bar for 0.5 to 10 hours under N2 atmosphere.

Abstract: The present disclosure discloses a method and an apparatus for generating a map, relating to a field of intelligent transportation technologies in the field of computer technologies. The method includes the following. A street view image corresponding to a target road is obtained. The street view image is input into a preset deep learning model to obtain data of a candidate isolation belt corresponding to the street view image. The data of the candidate isolation belt includes information of the candidate isolation belt and a probability corresponding to the information of the candidate isolation belt. The information of the candidate isolation belt is corrected based on a preset correction strategy and the probability to obtain information of a target isolation belt. An icon corresponding to the information of the target isolation belt is added on a base map including the target road to generate a map.

Abstract: Method for diagnosing a pneumatic control valve by using a positioner model includes: establishing relational expression for outputting valve stem displacement according to control pressure, the relational expression including parameters for the characteristics of a positioner, an actuator, and a valve, determining initial parameter value by adjusting the values of the parameters until the difference between a measured value for a normal operation of the pneumatic control valve and output value obtained by the relational expression is smaller than predetermined error limit, determining diagnostic parameter value by adjusting the values of the parameters until the difference between a measured value for a diagnostic operation of the pneumatic control valve and an output value obtained by the relational expression is smaller than a predetermined error limit, and comparing the initial parameter value and the diagnostic parameter value so as to determine whether the pneumatic control valve has abnormality.

Abstract: An optical fiber connection apparatus is disclosed, including a first housing having first receptacle portion receiving and fixating first optical fiber bundle connecting to first optical module on the outside, and a first lens member changing shape or direction of optical signal received from the first optical module and transmitting changed optical signal to the outside or changing shape or direction of optical signal received from the outside and thereby transmitting changed optical signal to the first optical module, and further including a second housing having second receptacle portion receiving and fixating a second optical fiber bundle connecting to a second optical module on the outside, and a second lens member changing shape or direction of optical signal received from the second optical module and thereby transmitting changed optical signal or changing shape or direction of optical signal received from the outside and thereby transmitting changed optical signal to the second optical module.

Abstract: An edge exposure tool may include a lens adjustment device that is capable of automatically adjusting various parameters of an edge exposure lens to account for changes in operating parameters of the edge exposure tool. In some implementations, the edge exposure tool may also include a controller that is capable of determining edge adjustment parameters for the edge exposure lens and exposure control parameters for the edge exposure tool using techniques such as big data mining, machine learning, and neural network processing. The lens adjustment device and the controller are capable of reducing and/or preventing the performance of the edge exposure tool from drifting out of tolerance, which may maintain the operation performance of the edge exposure tool and reduce the likelihood of wafer scratching, and may reduce the down-time of the edge exposure tool that would otherwise be caused by cleaning and calibration of the edge exposure lens.

Abstract: Provided is a multi-well-based cell culture test device having an array structure of a plurality of aligned well units. Each of the well units includes a first sub-well adapted to accommodate a first fluid, a second sub-well adapted to accommodate a second fluid, and a barrier located between the first sub-well and the second sub-well to partition the first sub-well and the second sub-well. The first sub-well has a recess in the depth direction with respect to its bottom to accommodate a solid thin film formed by solidifying the first fluid. The barrier has such a height that the first fluid does not overflow into the second sub-well when the first fluid is loaded into the first sub-well to fill the recess.

Abstract: A method for manufacturing the display device includes preparing a display panel on which a folding area folded with reference to a virtual folding axis and first and second non-folding areas, which are adjacent to both sides of the folding area, are defined and which displays an image, providing a resin on a first surface of the display panel, primarily hardening the resin, and secondarily hardening first and second resin areas of the resin, which respectively correspond to the first non-folding area and the second non-folding area of the display panel.

Abstract: An Atmospheric Storage Tank (AST) system designed to be an alternative to the existing RO pressure storage tank that operates on water pipeline pressure. It eliminates the disadvantage of subjecting the RO system to back pressure on the feed water which reduces the efficiency of the system and also has a higher probability of leakage. When the AST system is installed below the faucet, a pumping gadget is required to pump the water. It is primarily designed, although not exclusively, to be used together with a zero waste reverse osmosis system.

Abstract: The present disclosed relates to a decoration element and a method for preparing the decoration element. decoration element has dichroism expressing different colors depending on a viewing direction, and has improved visibility of the dichroism.

Abstract: The present disclosure discloses an electrical connector including an insulating body, a plurality of conductive terminals, a shielding shell and an outer metal shell. The insulating body has a tongue plate. The plurality of conductive terminals include a ground terminal and a signal terminal. Each of the ground terminal and the signal terminal includes a contact portion exposed on the tongue plate. The outer metal shell is provided with a mounting portion for being mounted to a circuit board. The shielding shell is in contact with the ground terminal, and the outer metal shell is in contact with the shielding shell. There is no need to provide any mounting part on the shielding shell to be directly mounted on the circuit board, thereby saving installation space and improving installation convenience.

Abstract: Biodegradable polymer microparticles bearing a steroid drug and a preparation method therefor. In the method, a steroid drug and a biodegradable polyester-based polymer are dissolved in an organic solvent and sprayed into a low-temperature hydrocarbon solution to form frozen microparticles that are then immersed in a low-temperature, aqueous salt solution to deprive the microparticles of the organic solvent, thereby preparing biodegradable polymer microparticles bearing a steroid drug. The steroid drug or steroid sex hormone drug-bearing biodegradable polymer microparticles were found to have excellent biocompatibility, biodegradability, porosity, and mechanical strength and to release the steroid drug or steroid sex hormone drug for a long period of time.

Abstract: A method for preparing a graft copolymer includes the steps of: 1) preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer and carrying out polymerization; 2) preparing a core in the presence of the seed by adding an alkyl (meth)acrylate-based monomer and carrying out polymerization; and 3) preparing a shell in the presence of the core by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and carrying out polymerization, wherein an activator including a compound represented by Chemical Formula 1 is added in the step 3). In Chemical Formula 1, R1 and R2 are each independently hydrogen, a C1-C10 alkyl group, or *-(C=O)OM2, provided that R1 and R2 are not both hydrogen, and M1 and M2 are each independently an alkali metal.

Abstract: According to embodiments of the present disclosure, a method of treating, preventing or ameliorating acute alcoholic liver damage in a subject comprises administering to the subject an exogenous source of nicotinamide adenine dinucleotide (NAD+) comprising NADH (nicotinamide adenine dinucleotide (NAD)+hydrogen (H)) or NRH (dihydronicotinamide nucleoside). Administration of the exogenous source of NAD+ may also be used to increase a subject's tolerance to alcohol, and/or to treat, prevent or alleviate the symptoms of an alcohol hangover.