Abstract: The present disclosure provides a parameter design method for a series passive impedance adapter applicable to a VSC-HVDC transmission system, to resolve the technical problem that high-frequency resonance may occur when impedance of a VSC-HVDC transmission system is mismatched with that of a sending-end or receiving-end grid. A parameter design goal of the present disclosure is that reactive power consumed by a series passive impedance adapter is not more than A times rated power of a converter, and a loss of the series passive impedance adapter in a fundamental wave is B times the rated power of the converter. The parameter design method for a series passive impedance adapter applicable to a VSC-HVDC transmission system in the present disclosure can realize a positive impedance characteristic within a concerned frequency band and completely eliminate a risk of harmonic resonance.

Abstract: A mask manufacturing method includes a step of providing a metal substrate having a plurality of virtual zones on its surface, using a plurality of nozzles to spray an etching solution on the surface, wherein the virtual zones include a first and a second zone, and the metal substrate has a first thickness and a second thickness respectively in an unit area of the first zone and the second zone, wherein the first thickness is greater than the second thickness; the step of using the nozzles to spray the etching solution on the surface further includes respectively using a first spraying pressure and a second spraying pressure to spray the etching solution on the first zone and the second zone, and the first spraying pressure is greater than the second spraying pressure. The invention also provides a mask manufacturing device.

Abstract: A mask manufacturing method includes a step of providing a metal substrate having a plurality of virtual zones on its surface, using a plurality of nozzles to spray an etching solution on the surface, wherein the virtual zones include a first and a second zone, and the metal substrate has a first thickness and a second thickness respectively in an unit area of the first zone and the second zone, wherein the first thickness is greater than the second thickness; the step of using the nozzles to spray the etching solution on the surface further includes respectively using a first spraying pressure and a second spraying pressure to spray the etching solution on the first zone and the second zone, and the first spraying pressure is greater than the second spraying pressure. The invention also provides a mask manufacturing device.

Abstract: The present disclosure provides a parameter design method for a series passive impedance adapter applicable to a VSC-HVDC transmission system, to resolve the technical problem that high-frequency resonance may occur when impedance of a VSC-HVDC transmission system is mismatched with that of a sending-end or receiving-end grid. A parameter design goal of the present disclosure is that reactive power consumed by a series passive impedance adapter is not more than A times rated power of a converter, and a loss of the series passive impedance adapter in a fundamental wave is B times the rated power of the converter. The parameter design method for a series passive impedance adapter applicable to a VSC-HVDC transmission system in the present disclosure can realize a positive impedance characteristic within a concerned frequency band and completely eliminate a risk of harmonic resonance.

Abstract: Semiconductor structures and methods are provided. An exemplary method according to the present disclosure includes forming a trench extending into a substrate, in a top view, the trench extends lengthwise along a first direction, forming a material layer over the substrate and intersecting a first portion of the trench, after the forming of material layer, forming a first capacitor intersecting a second portion of the trench, the first capacitor comprising a first plurality of conductor plates, and forming a second capacitor intersecting a third portion of the trench, the second capacitor comprising a second plurality of conductor plates, where the first plurality of conductor plates and the second plurality of conductor plates are in direct contact with the material layer.

Abstract: A semiconductor device with capacitive structures and a method of fabricating the same are disclosed. The semiconductor device includes a substrate, first and second trenches disposed in the substrate and separated from each other by a substrate region of the substrate, first, second, and third conductive layers disposed in the first and second trenches and on the substrate region in a stacked configuration, a nitride layer including first and second nitride portions disposed on the first and second trenches and on the substrate region, and first and second contact structures configured to provide first and second voltages to the first and second conductive layers. The first nitride portion is disposed on the first conductive layer and on sidewalls of the second and third conductive layers. The second nitride portion is disposed on the second conductive layer and on sidewalls of the third conductive layers.

Abstract: A semiconductor device includes a substrate including a first trench that extends along a first lateral direction and a second trench that extends along a second lateral direction; a first metal layer filling each of the first and second trenches; a second metal layer filling each of the first and second trenches, and disposed above and electrically isolated from the first metal layer; a first via structure in electrical contact with first metal layer; and a second via structure in electrical contact with second metal layer. When viewed from the top, the first via structure and the second via structure are interposed between the first trench and the second trench along the first lateral direction. The first via structure and the second via structure are disposed immediately adjacent to each other along the second lateral direction.

Abstract: The present disclosure discloses a Doherty power amplifier, including at least one carrier power amplifier and at least one peak power amplifier connected in parallel, each carrier power amplifier includes at least one carrier power amplifier unit connected in parallel for power combination, and each peak power amplifier includes at least one peak power amplifier unit connected in parallel for power combination, each of the carrier power amplifier unit and the peak power amplifier unit includes two power amplifier circuits connected in parallel for power combination, and each of the two power amplifier circuits includes a medium-low power amplifier transistor having saturation power less than or equal to a preset threshold. The present disclosure further discloses a power amplification method.

Abstract: An ultrasound-assisted simulated digestion method of a milk protein active peptide and an application thereof in health foods, pertaining to the technical field of intensive processing of dairy products and preparation of health foods. The method firstly employs ultrasonic pretreatment of casein and ?-lactoglobulin, followed by enzymatic hydrolysis with a protease to prepare casein and ?-lactoglobulin polypeptide, and traces the activity of the polypeptide by simulating gastrointestinal digestion, and then simulates absorption by intestinal epithelial cells with Caco-2 cells, to characterize a highly active milk protein polypeptide digested by the gastrointestinal tract and absorbed by the Caco-2 cells simulating absorption by the inner wall of the small intestine. The method has identified five such highly active milk protein polypeptides.

Abstract: An ultrasound-assisted simulated digestion method of a milk protein active peptide and an application thereof in health foods, pertaining to the technical field of intensive processing of dairy products and preparation of health foods. The method firstly employs ultrasonic pretreatment of casein and ?-lactoglobulin, followed by enzymatic hydrolysis with a protease to prepare casein and ?-lactoglobulin polypeptide, and traces the activity of the polypeptide by simulating gastrointestinal digestion, and then simulates absorption by intestinal epithelial cells with Caco-2 cells, to characterize a highly active milk protein polypeptide digested by the gastrointestinal tract and absorbed by the Caco-2 cells simulating absorption by the inner wall of the small intestine. The method has identified five such highly active milk protein polypeptides.

Abstract: A mask manufacturing method includes a step of providing a metal substrate having a plurality of virtual zones on its surface, using a plurality of nozzles to spray an etching solution on the surface, wherein the virtual zones include a first and a second zone, and the metal substrate has a first thickness and a second thickness respectively in an unit area of the first zone and the second zone, wherein the first thickness is greater than the second thickness; the step of using the nozzles to spray the etching solution on the surface further includes respectively using a first spraying pressure and a second spraying pressure to spray the etching solution on the first zone and the second zone, and the first spraying pressure is greater than the second spraying pressure. The invention also provides a mask manufacturing device.

Abstract: An air purifier includes a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover; and two groups of ultraviolet light emitting diodes (LEDs), respectively having a heat sink and a ultraviolet light emitting diode (LED), wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flows out.

Abstract: An ultrasound-assisted simulated digestion method of a milk protein active peptide and an application thereof in health foods, pertaining to the technical field of intensive processing of dairy products and preparation of health foods. The method firstly employs ultrasonic pretreatment of casein and ?-lactoglobulin, followed by enzymatic hydrolysis with a protease to prepare casein and ?-lactoglobulin polypeptide, and traces the activity of the polypeptide by simulating gastrointestinal digestion, and then simulates absorption by intestinal epithelial cells with Caco-2 cells, to characterize a highly active milk protein polypeptide digested by the gastrointestinal tract and absorbed by the Caco-2 cells simulating absorption by the inner wall of the small intestine. The method has identified five such highly active milk protein polypeptides.

Abstract: A crop frame adjusting method includes displaying an image; displaying a crop frame on the image; and in response to touches within a virtual frame corresponding to the crop frame are detected, resizing the crop frame according to movements of the touches, wherein the virtual frame is extended from the crop frame.

Abstract: The present invention discloses an air purifier, comprising: a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover; and two groups of ultraviolet light emitting diodes (LEDs), respectively having a heat sink and a ultraviolet light emitting diode (LED), wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flows out.

Abstract: A line-up of at least three hygiene absorbent articles of different sizes, each article comprising a pair of fasteners separated by a wingspan (W) that can be fastened to a fastening area (44) on the front region of the article so that the front region and the waist region form a waist opening. The fastening area in the front region comprises an innermost pair of fastening indicia (A-A), an outermost pair of fastening indicia (C-C) and preferably at least one intermediate pair of fastening indicia (B-B). The outer waist circumference of the article of a given size matches within 30 mm the inner waist circumference of the article of the next upper size in the line-up, the circumferences being calculated by adding the wingspan and the spacing between the innermost pair or outermost pair of indicia respectively.

Abstract: A line-up of at least three hygiene absorbent articles of different sizes, each article comprising a pair of fasteners that can be fastened to a fastening area on the front region of the article so that the front region and the waist region form a waist opening. The fastening area in the front region comprises an innermost pair of fastening indicia (A-A), an outermost pair of fastening indicia (C-C) and preferably at least one intermediate pair of fastening indicia (B-B). The distance (spacing) between the innermost pair of fastening indicia increases with the size of the articles.

Abstract: A crop frame adjusting method includes displaying an image; displaying a crop frame on the image; and in response to touches within a virtual frame corresponding to the crop frame are detected, resizing the crop frame according to movements of the touches, wherein the virtual frame is extended from the crop frame.

Abstract: A film adhesion detection device comprises: a testing member, which comprises: a carrier, which is on the testing member and is capable of vacuum suction to adsorb a testing sample, the carrier can raise, move, rotate, and position; a testing cutting tool, which is on the testing member and is capable of dismantling from the testing member; a counterpoise, which is on the testing cutting tool to provide a suitable weight to the testing cutting tool according to the strength and thickness of the testing sample; and a tape adhesion testing device, which is on the testing member and has a tape-outputting wheel, a counterpoise and a tape recovery wheel, the tape adhesion testing device provides a suitable adhesion force to the testing sample via the counterpoise, the tape recovery wheel tears off a tape after the tape is on a film.