Abstract: The present invention “A Molecular marker Nicotine Associated SNP 1 for identifying high or nicotine content of tobacco and its kit as well as use thereof” belongs to field of molecular biology technology. The molecular marker Nicotine Associated SNP 1 is a SNP Nitab4.5_0002539:95304 A/G at base No. 95304 of Genomic segment No. 0002539 in tobacco genome version of Nitab v4.5 Genome Scaffolds Edwards2017. The present invention can accurately identify and screen tobacco germplasm resources with high or low nicotine content, and the screened tobacco can be directly used for breeding new tobacco varieties without transgenic methods. At the same time, gene sequence where the SNP site is located can also significantly activate promoters of key enzyme genes in nicotine synthesis pathway.

Abstract: A method and an Internet of Things (IoT) system for monitoring smart gas pipeline network construction are provided.

Abstract: A foldable LED display screen includes a first display screen, a second display screen, and a hinge. The hinge includes a first hinge block, a second hinge block, a first connecting piece, and a second connecting piece. The first hinge block embedded in the first connecting end without protruding from the first connecting end, the second hinge block embedded in the second connecting end without protruding from the second connecting end. One end of the first connecting piece is slidably connected to the first hinge block, and another end of the first connecting piece is hinged to the second hinge block. One end of the second connecting piece is slidably connected to the second hinge block, and another end of the second connecting piece is hinged to the first hinge block. The second connecting piece is hinged with the first connecting piece through the hinge shaft.

Abstract: Methods, systems, and devices for reducing channel state information feedback channel overhead by compressing coefficients of precoding vectors and reporting a subset of the compressed coefficients based on several parameters including network-signaled parameters. Some embodiments may be used in wireless communication embodiments in which channel state information from many layers and many frequency domain units need to be reported.

Abstract: Disclosed is a method and a system for safety management of a gas pipe well based on a smart gas IoT. The method may be executed by a processor and include: obtaining an environmental information sequence of the gas pipe well and an in-well monitoring data sequence by controlling a monitoring component according to a monitoring parameter based on the smart gas IoT, and storing the environmental information sequence and the in-well monitoring data sequence in a storage unit; determining an in-well risk value; adjusting the monitoring parameter in response to determining that the in-well risk value exceeds a risk threshold and updating the in-well risk value; determining an impact degree of a gas component; determining a pipe well inspection program and generating a corresponding pipe well inspection instruction to be sent to an inspection terminal; and adjusting the monitoring parameter and clearing expired data in the storage unit.

Abstract: Disclosed are a flash unit, a camera and a camera flash system, and relates to the technical field of underwater photographic equipment, including a flash lamp, capable of illuminating an photographed object; a video lamp, having the functions of color temperature adjustment and full color gamut coverage by light; a camera body, taking photos for the illuminated object; a waterproof case; a flash trigger, capable of generating an optical signal; and a repeater, capable of receiving the optical signal from the flash trigger, and then encoding and transmitting a new high-power optical signal. According to the present disclosure, under the cooperation of components such as the flash trigger and the repeater, the optical signal can be transmitted wirelessly over long distance underwater, thus achieving the effect of using the flash and video lamps far away from the camera. The present disclosure has a broad market application prospect.

Abstract: Support assemblies for supporting a light-emitting diode (LED) lamp, which may be a heavy LED lamp. In an embodiment, a support assembly includes a frame having a ring and configured to be detachably connected to a front cover of an LED lamp. The support assembly also includes a plurality of position modules uniformly distributed around the periphery of the ring, wherein the position modules may cover at least a portion of the front cover of the LED lamp, and at least one support leg attached to the frame. The at least one support leg supports the frame and an inserted LED lamp on at least one support surface, and at least one support leg is slidably coupled to the frame and adjustable to provide a support length between the frame and the at least one support surface.

Abstract: A steam-powered outboard conformal cooling system includes a steam turbine, a cooler and a conformal heat exchanger. The conformal heat exchanger includes a casing, a lower cap, an upper cap and multiple heat exchange tubes. The casing includes an outer shell plate provided outside a hull plate, the outer shell plate and the hull plate define a seawater heat exchange chamber. A first end of each of the heat exchange tubes is communicated with a cooling water intake chamber, a second end of the each of the heat exchange tubes is communicated with a cooling water discharge chamber, the cooling water intake chamber is communicated with the cooler through a water intake pipe, the cooling water discharge chamber is communicated with the cooler through a water discharge pipe.

Abstract: A method and an Internet of Things system for smart gas adaptive pressure regulation based on a calorific value of gas are provided. The method comprises: acquiring calorific value of gas data, wherein the calorific value of gas data is acquired on the basis of a pressure regulation station; acquiring a first pressure regulation parameter of the pressure regulation station, wherein the first pressure regulation parameter is used for reflecting current pressure regulation data of the pressure regulation station; determining whether the calorific value of gas data meets a first preset condition; in response to the calorific value of gas data not meeting the first preset condition, adjusting the first pressure regulation parameter; and determining a second voltage regulation parameter of the pressure regulation station on the basis of the adjusted first voltage regulation parameter, wherein the second voltage regulation parameter is updated pressure regulation data.

Abstract: A data transmission method is described that includes: receiving transmission feedback for one or more Code Block Groups (CBGs) from a receiver; transmitting one or more Transmission Blocks (TBs) based on the transmission feedback, wherein one of the one or more TBs comprises one or more retransmission CBGs and one or more initial transmission CBGs; in response to the one of the one or more TBs being an uplink transmission TB, obtaining, based on a correspondence between a number of the one or more retransmission CBGs carried by the one of the one or more TBs and scrambling sequences, scrambled information by scrambling a first check bit sequence, wherein the first check bit sequence is generated based on the transmission feedback and Uplink Control Information (UCI); and uplink-transmitting the UCI and the scrambled information.

Abstract: The embodiments of the present disclosure provide methods for controlling natural gas efficiency enhancement of smart gas, smart gas Internet of Things (IoT) systems and mediums. The method may comprise obtaining at least one user need through a smart gas user platform based on a smart gas service platform, the user need including a gas usage target need; determining at least one optimization objective based on the at least one user need; determining a target proportioning feature of a synergist according to the at least one optimization objective, the target proportioning feature including a proportioning vector and an addition proportion of the synergist; and configuring a target synergist that satisfies the target proportioning feature to enhance efficiency of natural gas by sending the target proportioning feature to a smart gas object platform through a smart gas sensor network platform.

Abstract: A method and a smart gas Internet of Things system for management based on gas safety are provided. The method may comprise obtaining gas-related features of at least one area; determining alert vectors of the at least one area based on the gas-related features by manners for feature extraction; determining a count of on-call maintenance personnel in the at least one area based on the alert vectors; determining whether the count of on-call maintenance personnel meets a preset threshold; and in response to a determination that there is at least one area where the count of on-call maintenance personnel meets the preset threshold, performing, based on an area map, multiple rounds of iterative update on a scheduling capability value of the at least one area that meets the preset threshold; and determining a real-time scheduling policy based on the updated scheduling capability value.

Abstract: Optical measurement of a sample that includes a structure-of-interest (SOI) optically coupled to a section having an unknown structure is optically measured using an influence map of the deviation contribution from the unknown structure. The influence map is generated by obtaining metrology data for a plurality of locations that include the SOI and unknown structure and determining the deviation contribution at each location by decoupling the deviation contribution from base contributions from the SOI and unknown structure. During measurement of a location, the deviation contribution associated with that location may be obtained from the influence map and removed from the measured data. The processed data may be fit with a model that includes a rigorous model for the SOI and an effective model for the base contribution of the unknown structure to determine one or more parameters of the SOI.

Abstract: A dry spinning system and process are used to produce cellulose ester fibers. The process utilizes one or more of N,N-dimethylformamide, N,N-dimethylacetamide, dimethyl sulfoxide, or mixtures thereof as the dissolution solvent. The process minimizes or avoids discoloration of the fibers.

Abstract: The technical solutions can include a transmitter of a source device providing access to an application. The transmitter can be configured to detect a category of an application from a first packet to be transmitted from the source, determine a quality of service (QOS) for the application based on the category of the application, mark the first packet with a marker corresponding to the QoS and schedule transmission of the first packet based on the QoS to a destination device. The technical solutions can include a receiver of the destination device configured to identify the QoS set by the transmitter using the marker of the first packet received from the transmitter, mark a second packet to be transmitted from the destination device to the source device using the marker of the first packet, and schedule transmission of the second packet based at least on the QoS to the transmitter.

Abstract: The present disclosure discloses the industrial internet of things (IoT) with a sensing network platform in a post-sub-platform type and controlling method thereof, which has adopted a form of a five-platform structure to construct an intelligent manufacturing industrial IoT. Each platform has a corresponding hardware device. As a service platform and a management platform adopt a centralized layout, while the sensing network platform adopts a post-sub-platform layout, the sensing network platform may receive large quantities of instructions issued by the management platform, and balance the coordination of various instructions at the same time, which makes the present disclosure very suitable for large-scale production lines with the requirement of high overall coordination and makes the present disclosure have strong applicability.

Abstract: Provided are an information feedback method and device, an information receiving method and device, and a storage medium. The information feedback method includes the following. Configuration information from a first communication node is received. Precoding matrix information is determined according to the configuration information, where a target frequency band of the precoding matrix information is determined through indication information of a precoding matrix information subband, and the precoding matrix information subband is determined according to the configuration information. The precoding matrix information is fed back to the first communication node.

Abstract: An electrochemical device includes an electrolytic solution, an electrode assembly, and a housing accommodating the electrolytic solution and the electrode assembly. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed there between, which are stacked and wound. In a direction of a winding central axis, the electrochemical device includes a first end and a second end that are opposite to each other. The first electrode plate includes a first current collector and a first active material layer disposed on the first current collector. The first current collector includes a first part. In the direction of the winding central axis, the first part is located at an end of the first current collector and is closer to the first end than the second end. A porous layer is disposed on the first part.

Abstract: Methods, systems, and devices for wireless communications are described. The method may include a user equipment (UE) identifying a priority scheme for a set of signals including a first set of synchronization signal block (SSB) signals associated with a first frequency range, a second set of SSB signals associated with a second frequency range, and a paging signal associated with the first frequency range. The UE may then monitor, via a narrowband processor of the UE and based on the priority scheme, a set of time resources for one or more of the first set of SSB signals, the second set of SSB signals, or the paging signal. The narrowband processor may be configured to process signals received via the first frequency range and the second frequency range.