Abstract: The present invention provides an integrated system built on a microfluidics with multiple layers including a cell culture surface and different chambers configured to allow multiple cultivations of a biological agent, formation of three-dimensional multicellular culture model or biofilm, colonization and re-colonization of the biological agent responsive to a stimuli introduced to the integrated system. Such stimuli include physical, chemical and/or biological substance that may affect proliferation, differentiation, and/or function of the biological agent. The biological agent includes a biofilm-forming microbe such as a ubiquitous biofilm-forming bacterial species or biological cells or tissues of a different origin or species such as eukaryotic cells/tissues. The present integrated system can be used in drug screening, establishment of disease model in vitro or in vivo, evaluation of an anti-microbial efficacy, and studying cell-cell interaction.

Abstract: Embodiments of this application provide a voice call method and apparatus, and relate to the field of terminal technologies. The method includes: obtaining, by the first terminal device, azimuth information between the first terminal device and the second terminal device based on location information and orientation information of the first terminal device and location information of the second terminal device; and processing, by the first terminal device, a voice signal from the second terminal device based on the azimuth information to obtain a first-channel voice signal and a second-channel voice signal. Then, a first headphone may play the first-channel voice signal and the second-channel voice signal in a first channel and a second channel, respectively. In this way, a user can sense an azimuth status of a peer end during a voice call based on voice fed back by a headphone.

Abstract: A tizanidine liquid preparation and use of the tizanidine liquid preparation in the preparation of a medicament for treating muscle spasm, wherein the tizanidine liquid preparation comprises an active ingredient, disodium EDTA and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Abstract: An integrated circuit (IC) device includes a chip having a semiconductor substrate and a thermoelectric module embedded in the semiconductor substrate, where the thermoelectric module includes a first semiconductor structure electrically connected to a second semiconductor structure, where a bottom portion of thermoelectric module extends through a thickness of the semiconductor substrate, and where the first semiconductor structure and the second semiconductor structure include dopants of different conductivity types.

Abstract: The present subject matter relates to active balun circuits. An active balun circuit includes a plurality of transistors; an output transmission line connected to output terminals of the transistors; an input transmission line; and a plurality of serial capacitors coupled to an input terminal of the transistors and the input transmission line.

Abstract: Systems and methods for sensing objects are provided. A sensing apparatus can include a sensor comprising a photo-detecting unit configured to absorb (i) a first incident light having a first wavelength to generate a first detecting signal and (ii) a second incident light having a second wavelength to generate a second detecting signal. The sensing apparatus can further include a calculation circuit coupled to the sensor. The calculation circuit can be configured to output a calculating result according to the first detecting signal and the second detecting signal. The sensing apparatus can further include an adjustment circuit coupled to the calculation circuit. The adjustment circuit can be configured to perform an adjustment to one or more functionalities associated with the sensing apparatus according to the calculating result.

Abstract: A method of forming a semiconductor structure including a thermoelectric module embedded in the semiconductor substrate, where the thermoelectric module includes a first semiconductor structure electrically connected to a second semiconductor structure, where a bottom portion of thermoelectric module extends through a thickness of the semiconductor substrate, and where the first semiconductor structure and the second semiconductor structure include dopants of different conductivity types.

Abstract: A method of controlling a motor of a power tool includes driving the motor such that the motor rotates in a first direction and in response to the power tool entering a stall condition, operating the motor in a first stall state for a predetermined duration or a predetermined number of motor rotation cycles. In the first stall state, either the motor is driven such that the motor rotates in a second direction opposite the first direction or the motor is allowed to reverse direction and freely rotate in the second direction without excitation via a gear box coupled to the motor. The method further includes, upon expiration of the predetermined duration or the predetermined number of motor rotation cycles, operating the motor in a second stall state which includes braking the motor. Also described herein is electronic circuitry for a motor of a power tool.

Abstract: A tizanidine liquid preparation and use of the tizanidine liquid preparation in the preparation of a medicament for treating muscle spasm, wherein the tizanidine liquid preparation comprises an active ingredient, disodium EDTA and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Abstract: The present disclosure is directed to methods for generating a multichip, hybrid node stacked package designs from single chip designs using artificial intelligence techniques, such as machine learning. The methods disclosed herein can facilitate heterogenous integration using advanced packaging technologies, enlarge design for manufacturability of single chip designs, and/or reduce cost to manufacture and/or size of systems provided by single chip designs. An exemplary method includes receiving a single chip design for a single chip of a single process node, wherein the single chip design has design specifications and generating a multichip, hybrid node design from the single chip design by disassembling the single chip design into chiplets having different functions and different process nodes based on the design specifications and integrating the chiplets into a stacked chip package structure.

Abstract: Apparatus and methods for broadband low noise amplifiers (LNAs) with integrated limiters and fast recovery time are provided. In certain embodiments, an LNA includes a radio frequency (RF) amplification circuit, a feedback resistor connected along a feedback path from an output to an input of the RF amplification circuit, an input limiting circuit connected along an RF signal path between an RF input terminal and the input to the RF amplification circuit, and an input bias circuit that provides an input bias voltage to the input of the RF amplification circuit through the input limiting circuit.

Abstract: Embodiments of this application provide a user hearing protection method, apparatus, and electronic device. In the method, after an electronic device enables a hearing protection mode, when an audio output mode is a headset output, sound pressure output by the headset is obtained based on current-frame sound source data; when the sound pressure is greater than a predetermined sound pressure threshold, an instantaneous sound pressure over-standard warning is performed, and an instantaneous sound pressure over-standard protection operation is performed on the electronic device. In addition, after the output sound pressure is obtained, the sound pressure may be stored, and a sound dose accumulated to a current moment may be determined based on the stored historical sound pressure data; when the sound dose is greater than a predetermined sound dose standard value, sound dose over-standard warning and a sound dose over-standard protection operation are performed.

Abstract: Provided herein are compounds and formulations useful in treating keratin in hair and/or skin. In certain embodiments, the compounds and formulations provided herein can be used to strengthen hair, e.g., by improving the tensile strength of hair and/or improving hair elongation percentage.

Abstract: A tizanidine liquid preparation and use of the tizanidine liquid preparation in the preparation of a medicament for treating muscle spasm, wherein the tizanidine liquid preparation comprises an active ingredient, disodium EDTA and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Abstract: A flip chip ball grid array package includes a package substrate and a flip chip device mounted on a top surface of the package substrate. The flip chip device includes a semiconductor integrated circuit die; an epoxy molding compound encapsulating vertical sidewalls of the semiconductor integrated circuit die; a re-distribution layer structure disposed on an active surface of the semiconductor integrated circuit die and on a lower surface of the epoxy molding compound; a sintered nanosilver layer disposed on a passive rear surface of the semiconductor integrated circuit die and on an upper surface of the epoxy molding compound; and a stiffener ring mounted around the flip chip device on the package substrate.

Abstract: The present disclosure is directed to methods for generating a multichip, hybrid node stacked package designs from single chip designs using artificial intelligence techniques, such as machine learning. The methods disclosed herein can facilitate heterogenous integration using advanced packaging technologies, enlarge design for manufacturability of single chip designs, and/or reduce cost to manufacture and/or size of systems provided by single chip designs. An exemplary method includes receiving a single chip design for a single chip of a single process node, wherein the single chip design has design specifications and generating a multichip, hybrid node design from the single chip design by disassembling the single chip design into chiplets having different functions and different process nodes based on the design specifications and integrating the chiplets into a stacked chip package structure.

Abstract: Embodiments of this application provide a voice call method and apparatus, and relate to the field of terminal technologies. The method includes: obtaining, by the first terminal device, azimuth information between the first terminal device and the second terminal device based on location information and orientation information of the first terminal device and location information of the second terminal device; and processing, by the first terminal device, a voice signal from the second terminal device based on the azimuth information to obtain a first-channel voice signal and a second-channel voice signal. Then, a first headphone may play the first-channel voice signal and the second-channel voice signal in a first channel and a second channel, respectively. In this way, a user can sense an azimuth status of a peer end during a voice call based on voice fed back by a headphone.

Abstract: The present invention provides an integrated microfluidic-based device for establishing a wound infection in vivo model suitable for high throughput bioassay such as potential drug screening, in vivo dosing optimization, host-microbe or microbe-microbe interactions under the influence of specific agents of interest, and studying regulatory mechanisms of certain inflammatory diseases relating to or arising from the wound infection. The present invention allows direct qualitative and quantitative assessments of specific markers expressed due to the wound infection by one or more microbes devoid of cell sorting, isolation, or labelling as in other conventional in vivo models or methods.

Abstract: A tizanidine liquid preparation and use of the tizanidine liquid preparation in the preparation of a medicament for treating muscle spasm, wherein the tizanidine liquid preparation comprises an active ingredient, disodium EDTA and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Abstract: The present subject matter relates to active balun circuits. An active balun circuit includes a plurality of transistors; an output transmission line connected to output terminals of the transistors; an input transmission line; and a plurality of serial capacitors coupled to an input terminal of the transistors and the input transmission line.