Abstract: A method for an smart gas flow monitoring based on IoT is provided. The method includes: generating gas transmission information with a time label based on sensor data uploaded by a pipeline sensor and historical sampling data uploaded by at least one of a gas gate station or a pressure regulating station; obtaining gas volumetric flows collected by a gas metering device deployed on a gas transmission pipeline at a plurality of time points within a current period; generating standard gas flows of the gas transmission pipeline at the plurality of time points based on the gas volumetric flows; generating a cumulative gas flow of the gas transmission pipeline within the current period based on the standard gas flows; and controlling at least one of an opening/closing state or an opening degree of a regulating valve of the gas transmission pipeline based on the cumulative gas flow.

Abstract: A processing method for object information includes: presenting, in a first application interface, a sub object registration entry of a first target main object; and establishing, in response to receiving sub object registration information input by a first user based on the sub object registration entry, a main-and-sub-objects binding relationship between a sub object and the first target main object, where the first target main object has main-and-sub-objects binding relationships with a plurality of sub objects, and a main store identification corresponding to the first target main object is different from sub store identifications corresponding to respective sub objects; where associated cooperation information with a second user is displayed in the first application interface, the associated cooperation information is used for indicating that introduction information and order information for the first target main object are presented in a second application interface of the second user.

Abstract: Disclosed herein is a 2K clearcoat coating composition including Component I including (A) a first resin having at least one primary hydroxyl group selected from the group consisting of hydroxyl alkyl (meth)acrylate resins having C1-C10, (B) a second resin having at least one secondary hydroxyl group selected from the group consisting of hydroxyl alkyl (meth)acrylate resins having C2-C10, and (C) at least one amino resin, and Component II including (D) a crosslinker including at least one polyisocyanate, where the first resin has a hydroxyl value in a range of from 100 to 250 mgKOH/g and a weight average molecular weight in a range of from 3,000 to 15,000, and the second resin has a hydroxyl value in a range of from 150 to 500 mgKOH/g and a weight average molecular weight in a range of from 500 to 2,500. Also disclosed herein is an article coated by the coating composition.

Abstract: An overvoltage protection device may include an n-type semiconductor substrate, a p-type layer disposed atop the n-type semiconductor substrate, and a passivation region formed in the n-type semiconductor substrate and the p-type layer, wherein the passivation region comprises a semi-insulating polycrystalline silicon (SIPOS) layer.

Abstract: A display substrate includes a base substrate, a scan line and a driving module arranged on the base substrate, at least two transistors in the driving circuit have a first gate electrode and a second gate electrode; at least a portion of the second gate electrode is located between the first gate electrode and the base substrate; bottom gate via holes of at least two transistors of the driving circuit are arranged along a first direction; the second gate electrode is electrically connected to a connection portion through the bottom gate via hole, and the connection portion is electrically connected to the first gate electrode; or, the second gate electrode is electrically connected to the first gate electrode through the bottom gate via hole; the first direction intersects with a second direction, and the scan line includes at least a portion extending along the second direction.

Abstract: Embodiments that translate a sensor measurement to a frequency characteristic are disclosed. The frequency characteristic can be wirelessly detected by a reader device. The detected frequency characteristic can be used to determine the corresponding sensor measurement. Devices utilizing this approach can be characterized or calibrated to increase accuracy. Systems and methods utilizing the approaches are also described.

Abstract: Disclosed are a control method and system for a smart gas waste gas treatment device. The control system comprises a smart gas government safety supervision management platform, a smart gas government safety supervision sensor network platform, a gas company management platform, a gas company sensor network platform, and a smart gas equipment object platform.

Abstract: The present application discloses two anti-GDF15 neutralizing monoclonal antibodies and uses thereof. The variable regions of the light chain and heavy chain of the antibodies G1 and G2 with neutralizing activity are provided. Anti-GDF15 mouse monoclonal antibodies were prepared by the hybridoma technology, anti-GDF15 hybridoma cell lines capable of stable secretion with high specificity were screened out, ascites were prepared to obtain high-specificity and high-affinity anti-GDF15 monoclonal antibodies and two anti-GDF15 monoclonal antibodies with neutralizing activity were identified for the first time by constructing an antibody neutralization detection system.

Abstract: A medical device includes an antenna external to a case, package, or encapsulant for the electronic systems of the medical device. In one embodiment, a diabetes infusion pump is enclosed within a metal case, the pump including a processor and a communication module for wireless communications. An antenna is disposed in the delivery tubing of the pump outside the case with an antenna feed interconnecting the external antenna with the internal communication module. In another aspect, a thin film antenna is formed on the outer surf ace of the case in which a physiological parameter sensor, such as a glucose sensor, is enclosed. Multiple antennas may be used for communications on different frequencies.

Abstract: Systems, devices, and methods are provided for changing the power state of a sensor control device in an in vivo analyte monitoring system in various manners, such as through the use of external stimuli (light, magnetics) and RF transmissions.

Abstract: A system for controlling smart gas pipeline monitoring devices is provided, including: a people user platform, a smart gas government safety supervision and management platform configured to obtain construction information corresponding to each pipeline region and receive feedback information, a smart gas government safety supervision object platform, and a smart gas device object platform configured to obtain vibration data uploaded by a plurality of pipeline monitoring devices. The smart gas government safety supervision object platform includes a smart gas company management platform.

Abstract: A preparation method for a tubular gas-permeable membrane and a wastewater treatment of an ammonia nitrogen removal process are provided. The preparation method for a tubular gas-permeable membrane includes: cutting a flat sheet gas-permeable membrane into a strip shape, and then sequentially winding, overlapping, bonding, tubulating, and cutting the strip-shaped flat sheet gas-permeable membrane to form a tube-shaped tubular gas-permeable membrane. The preparation method is based on an original flat sheet gas-permeable membrane and an optimized rolling technology. Compared with a traditional gas-permeable membrane, the prepared tubular gas-permeable membrane has higher ammonia mass transfer efficiency, and the tubular gas-permeable membrane adopts a closed columnar membrane structure, such that an ammonia gas leakage rate can be obviously reduced, and ammonia nitrogen removal efficiency of wastewater can be greatly improved.

Abstract: The disclosure provides a communication delay compensation method and a communication delay compensation system based on an autonomous robot, where the method includes the following steps: establishing a state equation based on a system model of an the AUV positioning system; acquiring an included angle between a direction vector of the AUV to an observation station and a velocity vector of the AUV based on the system model; establishing an observation equation according to the state equation and the included angle; establishing an extended Kalman filter equation based on the system model, the included angle and the observation equation; and calculating a position information predicted value at the current time by using the extended Kalman filter equation to complete communication delay compensation.

Abstract: A thyristor semiconductor includes a first layer, located on a first surface of a substrate, where the first layer is a first P layer. A second layer, located on a second surface of the substrate, is a second P layer. The second surface is opposite the first surface. A third layer is located between the first layer and the substrate. An isolation region is located along an edge of the substrate The isolation region is adjacent the second P layer. An emitter, next to the third layer, is connected to a cathode.

Abstract: Disclosed is a method for controlling data transmission for smart gas, comprising: obtaining gas data of a gas user, and storing the gas data into a storage unit; predicting a probability of full storage of the storage unit within a preset future time period based on a historical data increment of the storage unit; in response to the probability of full storage meeting a preset probability condition: obtaining the gas data of the gas user within the preset time period; determining the upload demand degree based on the gas data; and in response to the upload demand degree meeting a preset condition, transmitting the gas data within the preset time period to the smart gas management platform based on the smart gas object platform at a target upload time point of at least one smart gas meter of the gas user.

Abstract: Provided are a method, a system, and a storage medium for pipeline cleaning based on smart gas supervision IoT. The method comprises: obtaining pollutant discharge working data and gas monitoring data obtained by a smart gas device object platform, and storing the pollutant discharge working data and the gas monitoring data in a gas database, determining a pipeline cleaning parameter based on the pollutant discharge working data and the gas monitoring data, and uploading the pipeline cleaning parameter to a smart gas government safety monitoring management platform, generating a cleaning regulation instruction based on the pipeline cleaning parameter, and sending the cleaning regulation instruction to the smart gas device object platform to control a target pollutant discharge device to perform cleaning based on the cleaning working parameter.

Abstract: The embodiments of the present disclosure provides an electronic cigarette and an electronic cigarette stem comprising a battery box, a bottom cover and a charging connection module. The battery box forms a first accommodating cavity, and both ends of it are respectively provided with an air outlet and a first through hole. The bottom cover and the battery box form a second accommodating cavity. The charging connection module is in the second accommodating cavity; an output terminal is arranged in the first accommodating cavity through the first through hole; an input terminal is connected to an external power supply through an air inlet. The air inlet, the second accommodating cavity, the first through hole, the first accommodating cavity and the air outlet form an airflow channel connecting an atomizer. Using the air inlet for both air admission and charging can simplify structure, improve production efficiency and reduce production cost.

Abstract: The embodiments of the present disclosure provides an electronic cigarette and an electronic cigarette stem comprising a battery box, a bottom cover and a charging connection module. The battery box forms a first accommodating cavity, and both ends of it are respectively provided with an air outlet and a first through hole. The bottom cover and the battery box form a second accommodating cavity. The charging connection module is in the second accommodating cavity; an output terminal is arranged in the first accommodating cavity through the first through hole; an input terminal is connected to an external power supply through an air inlet. The air inlet, the second accommodating cavity, the first through hole, the first accommodating cavity and the air outlet form an airflow channel connecting an atomizer. Using the air inlet for both air admission and charging can simplify structure, improve production efficiency and reduce production cost.

Abstract: A method for forming a gapfill layer, comprising: positioning a substrate in a processing volume of a processing chamber, forming a plurality of first gapfill layers in at least one feature disposed on the substrate, comprising, for each first gapfill layer included in the plurality of first gapfill layers: forming a layer in the at least one feature by flowing a first hydrocarbon precursor gas into the processing volume and etching the layer by flowing a first etchant gas into the processing volume, and forming a second gapfill layer in the at least one feature by co-flowing a second hydrocarbon precursor gas and a second etchant gas into the processing volume.

Abstract: Disclosed are a display substrate and a display apparatus, wherein the display substrate may include a base substrate including a display region and a non-display region, and a drive circuit layer disposed on the base substrate, the drive circuit layer includes a pixel drive circuit located in the display region and a gate drive circuit located in the non-display region; a boundary of the display region includes an arc-shaped boundary, a non-display region located on an outside of the arc-shaped boundary is referred to as a rounded corner region, and the rounded corner region includes a plurality of first regions and at least one second region; the gate drive circuit is configured to provide a drive signal to the pixel drive circuit, and is partially located within a first region, and the second region is located between adjacent first regions.