Abstract: A method for on-line continuous recovery of excess nitric acid in nitration reaction is provided. Nitration reaction liquid and nitrogen gas are simultaneously conveyed to a mixer, mixed and transferred to a temperature-controlled corrosion-resistant column for on-line continuous evaporation, where the nitration reaction liquid enters the temperature-controlled corrosion-resistant column from a top end, and the waste gas and excess nitric acid are discharged from a top port of the temperature-controlled corrosion-resistant column, and nitric acid is recovered. The nitric acid-free liquid is discharged from a bottom end of the temperature-controlled corrosion-resistant column by a pump.

Abstract: The structure of a semiconductor device with isolation structures between FET devices and a method of fabricating the semiconductor device are disclosed. A method of fabricating the semiconductor device includes forming a fin structure on a substrate and forming polysilicon gate structures with a first threshold voltage on first fin portions of the fin structure.

Abstract: Methods for forming dummy under-bump metallurgy structures and semiconductor devices formed by the same are disclosed. In an embodiment, a semiconductor device includes a first redistribution line and a second redistribution line over a semiconductor substrate; a first passivation layer over the first redistribution line and the second redistribution line; a second passivation layer over the first passivation layer; a first under-bump metallurgy (UBM) structure over the first redistribution line, the first UBM structure extending through the first passivation layer and the second passivation layer and being electrically coupled to the first redistribution line; and a second UBM structure over the second redistribution line, the second UBM structure extending through the second passivation layer, the second UBM structure being electrically isolated from the second redistribution line by the first passivation layer.

Abstract: A process is provided to fabricate a finFET device having a semiconductor layer of a two-dimensional “2D” semiconductor material. The semiconductor layer of the 2D semiconductor material is a thin film layer formed over a dielectric fin-shaped structure. The 2D semiconductor layer extends over at least three surfaces of the dielectric fin structure, e.g., the upper surface and two sidewall surfaces. A vertical protrusion metal structure, referred to as “metal fin structure”, is formed about an edge of the dielectric fin structure and is used as a seed to grow the 2D semiconductor material.

Abstract: The embodiments of the disclosure provide an image quality adjusting method and a host. The method includes: providing, by a host, a visual content, wherein the visual content comprises a pass-through image; obtaining, by the host, a frame rate of the visual content and a loading of a graphic processing unit of the host; and dynamically adjusting, by the host, an image quality of the pass-through image based on the frame rate and the loading of the graphic processing unit of the host.

Abstract: An electronic lock includes a locking mechanism and a control device. The locking mechanism includes an electronic driving module, a deadbolt, and a turning-piece module configured to be driven by the electronic driving module or to be manually operated to rotate among a first position, a second position and a third position, and to drive the deadbolt to move while rotating. The control device includes three Hall sensors surrounding a rotation axis of the turning-piece module, a magnetic component co-rotatable with the turning-piece module relative to the Hall sensors, and a control module. Each Hall sensor generates a sensing signal upon detecting the magnetic component. The control module is configured to activate a left-open setting or a right-open setting according to two sensing signals that are first received respectively from two of the Hall sensors without controlling the electronic driving module to drive the turning-piece module to rotate.

Abstract: A socket assembled arch rib and an arch bridge including at least one first monomer, the first monomer includes an inner and outer tube snapped outside the inner tube, a first end of the inner tube protrudes from a first end of the outer tube to form a convex part, a second end is located in the outer tube, the outer tube is filled with concrete, and concrete forms a concave part at a second end of the outer tube for socketing the convex part of the other first monomer; for unfilled concrete area inside the CFST structure arch rib, a double-layer CFST monomer with convex and concave parts formed respectively at the end, and the adjacent monomers are connected with each other through the socket-fit of the convex and concave parts, which is convenient for the sub-monomers to fill the concrete in the steel tube, ensuring dense concrete filling.

Abstract: A method for forming a semiconductor device structure is provided. The method includes providing a substrate, a first nanostructure, a second nanostructure, a metal gate stack, and a spacer structure. The first nanostructure is between the second nanostructure and the substrate, the metal gate stack surrounds the first nanostructure and the second nanostructure, and the spacer structure surrounds an upper portion of the metal gate stack over the second nanostructure. The method includes removing the upper portion of the metal gate stack to form a first trench in the spacer structure. The method includes removing a first portion of the second nanostructure through the first trench after removing the upper portion of the metal gate stack.

Abstract: The present disclosure provides use of sulforaphene in preparation of a pharmaceutical composition for improving and treating leukotrichia and/or alopecia, and a preparation method of the pharmaceutical composition. The sulforaphene serves as an active ingredient of the pharmaceutical composition, and the sulforaphene has a content of 0.1% to 50% based on a total weight of the pharmaceutical composition.

Abstract: A power supply circuit includes a voltage generator circuit, an overcurrent protection circuit, and a power switch circuit. The voltage generator circuit is configured to generate a first voltage. The overcurrent protection circuit is configured to generate a comparison voltage according to a reference voltage and a sensing voltage. A voltage clamping circuit in the overcurrent protection circuit is configured to generate a second voltage according to the first voltage and the comparison voltage. The power switch circuit is configured to generate an output current according to the second voltage and an input voltage. The sensing voltage is generated at a node in the power switch circuit and is associated with the output current.

Abstract: Systems and methods for ultrasound imaging are provided. The systems may determine a target clinical scene associated with a target subject. The systems may determine, based on a corresponding relationship between clinical scenes and ultrasound probes, at least one ultrasound probe corresponding to the target clinical scene and determine a target ultrasound probe from the at least one ultrasound probe. The systems may generate an ultrasound image of the target subject by performing the ultrasound imaging using the target ultrasound probe.

Abstract: A method for modifying a surface of a substrate and a method for immobilizing oligonucleotide are provided. The method includes the following steps. A substrate is provided. A branched polymer is grafted on a surface of the substrate, wherein a side chain of a repeating unit of the branched polymer has a group capable of binding to an oligonucleotide. One end of the branched polymer has a group capable of binding to the surface of the substrate.

Abstract: A fixture for heat pressing process is applied to a hot pressing machine for hot pressing two elastic plastic pieces so as to manufacture an airbag. The two elastic plastic pieces are disposed between the fixture and the hot pressing machine. The fixture includes a first frame, a second frame and a flexible heat blocking layer. The first frame includes two first brackets, which are separated from each other with a first distance. The second frame includes two second brackets, which are separated from each other with a second distance, and located at two ends of the first brackets, respectively. The flexible heat blocking layer is fixed by the first frame and/or the second frame.

Abstract: The present disclosure provides a method for ultrasound examination. The method may include obtaining, from a user terminal, an operation instruction of an operator input via a user interface implemented on the user terminal, the operation instruction for confirming or adjusting an initial adjustment mode of the scanning parameter; determining, based on the operation instruction of the operator, a target adjustment mode of the scanning parameter; and configuring the ultrasound imaging scanner based on the target adjustment mode.

Abstract: Example apparatuses, systems, and methods for providing respiratory protective devices with detachable and overridable earpieces are provided. For example, an example respiratory protective device includes an earpiece connector component detachably connected to the respiratory protective device and a main controller component electronically coupled to the earpiece connector component.

Abstract: Apparatuses and methods for improved noise reduction and voice capture in respiratory protective devices are provided. For example, an example respiratory protective device includes at least one fan component secured to the respiratory protective device, at least one sound sensor component positioned within the respiratory protective device and generating a detected sound signal, and a controller component electronically coupled to the at least one fan component. In some examples, the controller component is configured to receive a detected fan speed signal, retrieve a corresponding noise profile data object, generate a noise-reduced sound signal, and transmit the noise-reduced sound signal to a data communication component.

Abstract: An analyzing system for pesticide effectiveness includes a transparent container having an interior area, the transparent container having a port extending through a wall of the transparent container; a bracket positioned within the interior are of the transparent container; a dish having a dish interior area configured to hold a test insect, the dish to be supported by the bracket within the transparent container; an injection device to inject a test liquid into the interior area of the transparent container through the port; the dish is to hold the test insect a distance from an injected test liquid; and the transparent container provides for visual observations of an effect of the test liquid on the test insect.

Abstract: A semiconductor device is provided. The semiconductor device comprises a first semiconductor die comprising a first capacitor, and a second semiconductor die in contact with the first semiconductor die and comprises a diode. The first semiconductor die and the second semiconductor die are arranged along a first direction, and a diode is configured to direct electrons accumulated at the first capacitor to a ground.