Abstract: A system includes: 1) a battery configured to provide an input voltage (VIN); 2) switching converter circuitry coupled to the battery, wherein the switching converter circuitry includes a power switch; 3) a load coupled to an output of the switching converter circuitry; and 4) a control circuit coupled to the power switch. The control circuit includes: 1) a switch driver circuit coupled to the power switch; 2) a summing comparator circuit configured to output a first control signal that indicates when to turn the power switch on; and 3) an analog on-time extension circuit configured to extend an on-time of the power switch by gating a second control signal with the first control signal, wherein the second control signal indicates when to turn the power switch off.

Abstract: A battery status indication method, A battery status indication apparatus, and a mobile device are provided. The battery status indication method includes: obtaining a power level and a heat state of a battery, the heat state including an unheated state and a heating state; determining a display mode of indicator lights according to the power level and the heat state of the battery; and controlling the indicator lights to display according to the display mode to indicate the power level and the heat state of the battery.

Abstract: Provided herein are synthetic nucleic acid molecules and methods of using such synthetic nucleic acid molecules for strong repression of target gene expression. In particular, provided herein are methods for altering expression of a protein in a cell, where the method comprises introducing into a cell a protein coding sequence operably linked to a near-threshold translational repressor having first and second trigger recognition sequences that are fully or partially complementary to a repressing trigger RNA; and introducing into a cell the repressing trigger RNA.

Abstract: A piezoelectric microphone, includes: a wafer substrate including a cavity; a plurality of cantilever beams with a piezoelectric deck structure; a fixed column; a plurality of flexible elastic members; and a connecting section. The plurality of cantilever beams each includes a fixed end and a free end suspended above the cavity. The plurality of cantilever beams is of a structure in which one end is narrow and the other end is wide, and the fixed end is relatively narrow. The fixed column is disposed at the center of the bottom surface of the cavity. The fixed ends of the plurality of cantilever beams are all connected to the top surface of the fixed column. A gap is provided between every two adjacent cantilever beams. The plurality of flexible elastic members is connected to free ends of two adjacent cantilever beams to enable the cantilever beams to vibrate synchronously.

Abstract: A fiber composite material includes: a heat resistant layer and a liquid guiding layer that are stacked. A material of the heat resistant layer includes a heat resistant fiber and a hydrophilic fiber. A material of the liquid guiding layer includes a hydrophilic fiber. The heat resistant fiber includes a polyimide fiber. The hydrophilic fiber includes a Tencel fiber.

Abstract: A packet forwarding method, apparatus, and system, and a computer-readable storage medium are disclosed, and pertain to the field of communication technologies. After receiving a packet sent by a second device, a first device determines a target service node based on indication information and an application service identifier that are in the packet, where a service capability of the target service node matches the indication information, and a target application service corresponding to the application service identifier is deployed in the target service node. Then, the first device sends the packet to the target service node. The indication information is carried in the packet sent by the device, so that a forwarding device can send the packet to a service node whose service capability matches the indication information. In this way, differentiated application services are provided for devices of different levels, and flexibility of task scheduling is high.

Abstract: A method and an apparatus v are provided. The method includes: configuring a frame structure and related parameters of a satellite based on a channel feature, a service feature, and a transmission/reception unit capability; determining a resource scheduling scheme based on configuration information of the frame structure and related parameters and historical resource scheduling information; and performing a timing error compensation on the resource scheduling scheme based on a timing advance obtained by time-frequency synchronization, and performing a data transmission/reception based on the resource scheduling scheme after the timing error compensation.

Abstract: The present application discloses a semiconductor device and a manufacturing method thereof. The manufacturing method comprises manufacturing a semiconductor material layer comprising two laminated semiconductor layers between which an etching transition layer is provided; and etching a part of one of semiconductor layers located in a selected region until etching is stopped after reaching or entering the etching transition layer, subjecting the part of the etching transition layer located in the selected region to thermal decomposition through thermal treatment to be completely removed, and realizing termination of thermal decomposition on another semiconductor layer, so as to precisely form a trench structure in the semiconductor material layer.

Abstract: Disclosed herein are extracellular vesicles comprising an immunomodulating component. Also provided are methods for producing the extracellular vesicles and methods for using the extracellular vesicles for treating cancer, GvHD, and autoimmune diseases.

Abstract: Example communication methods, apparatus, and systems are described. One example system includes a centralized unit control plane (CU-CP) and at least one distributed unit (DU). The CU-CP includes at least one first entity and a second entity, where the second entity is configured to perform a function of a radio resource management (RRM) algorithm in a base station, and the at least one first entity is configured to perform functions of a packet data convergence protocol (PDCP) layer and a radio resource control (RRC) layer in the base station.

Abstract: A method for measuring concentrations of multiple gases by using an infrared band laser light includes: pumping Ho crystal by using a 1.9 ?m single thulium-doped solid-state laser to obtain a 2 ?m band near-infrared laser output; controlling a light-emitting angle of 2 ?m band laser light; allowing the 2 ?m laser light to enter a first measurement cell at a first emergent angle, and measuring a concentration of methane gas in the first measurement cell; generating and introducing the 3-5 ?m mid-infrared laser light into a second measurement cell to measure concentrations of ammonia gas and carbon monoxide in the second measurement cell; generating and introducing the 6-12 ?m far-infrared laser light into a third measurement cell to measure concentrations of carbon dioxide, acetylene, ethylene and ethane gas in the third measurement cell.

Abstract: A pitch adjustment method and apparatus, and a computer storage medium are provided. the fundamental frequency sequence of the singing sound of the user is obtained, the pitch difference between each candidate melody file and the fundamental frequency sequence at each corresponding time point is calculated, and the sum of all pitch differences of each candidate melody file is calculated. The candidate melody file with the minimum sum is determined as the target melody file, and the pitch of the accompaniment file of the target song is adjusted according to the pitch difference between the target melody file and the original melody file of the target song.

Abstract: A system for recognizing a user of a communicating device as belonging to a list of known users from an utterance included in a voice signal received from the communicating device.

Abstract: A plurality of features associated with a message are determined. At least one feature included in the plurality of features is associated with a payload of the message. A determination is made that supplemental analysis should be performed on the message. The determination is based at least in part on performing behavioral analysis using at least some of the features included in the plurality of features. Supplemental analysis is performed.

Abstract: Conventional email filtering services are not suitable for recognizing sophisticated malicious emails, and therefore may allow sophisticated malicious emails to reach inboxes by mistake. Introduced here are threat detection platforms designed to take an integrative approach to detecting security threats. For example, after receiving input indicative of an approval from an individual to access past email received by employees of an enterprise, a threat detection platform can download past emails to build a machine learning (ML) model that understands the norms of communication with internal contacts (e.g., other employees) and/or external contacts (e.g., vendors). By applying the ML model to incoming email, the threat detection platform can identify security threats in real time in a targeted manner.

Abstract: A first network element or an access network device determines, based on identification information of one or more terminals on which a first operation is performed and type information of the first operation, quantity information of the first operation that is performed, and the first network element sends charging information including the type information and the quantity information to a charging function network element.

Abstract: This disclosure provides a communication method, apparatus, and system, and relate to the field of communication technologies, to resolve a technical problem that overall energy consumption of a communication system cannot be reduced because quality of service of a terminal device is poor due to a service characteristic or improper load determining of an access network device. The method includes: A first access network device obtains first energy efficiency, and performs an energy saving operation based on the first energy efficiency, where the first energy efficiency is determined based on performance and energy consumption that correspond to a first object in a second access network device.

Abstract: A method of inseminating an animal including flowing a stream of a population of sperm cells through a channel, differentiating the sperm cells into two subpopulations of X-chromosome containing sperm cells and Y-chromosome containing sperm cells, selecting a desired subpopulation, ablating an undesired subpopulation, and collecting both the subpopulations of sperm cells including the desired subpopulation and the ablated undesired subpopulation together, wherein the collected population of sperm cells is used to fertilize an egg.

Abstract: A method for measuring multiple parameters of mixed gases based on broadband infrared light source is provided, including: filtering a broadband infrared laser, and forming a laser beam including three narrow-linewidth wavelengths; dividing the laser beam into a first sub-laser beam and a second sub-laser beam; focusing and transmitting the first sub-laser beam to a gas sample cell; focusing and transmitting the first sub-laser beam to a first reflector; reflecting and transmitting the first sub-laser beam; reflecting and transmitting the second sub-laser beam to the second beam splitter; combing the first sub-laser beam transmitted by the second beam splitter and the second sub-laser beam reflected by the second beam splitter, measuring the multiple parameters; combining and transmitting the second sub-laser beam transmitted by the second beam splitter and the first sub-laser beam reflected by the second beam splitter to a spectrometer for measuring concentrations the mixed gases.

Abstract: Aspects of the subject disclosure may include, for example, a device including a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations of receiving signal to noise and interference ratio (SINR) measurements from a cell for two or more uplink carriers associated with a mobile device; determining an optimal uplink carrier from the two or more uplink carriers based on plural parameters, wherein the plural parameters include the SINR measurements; selecting the optimal uplink carrier from the two or more uplink carriers; and sending the optimal uplink carrier selected to the cell, wherein the mobile device uses the optimal uplink carrier for uplink transmissions. Other embodiments are disclosed.