Abstract: A control circuit, a drive device, and a display. The control circuit includes: a control unit and a detection unit. The detection unit is connected with a plurality of output voltage feedback terminals of a drive chip, and the detection unit is connected with the control unit. The detection unit is configured for providing a first voltage to the control unit when a voltage of at least one output voltage feedback terminal in the plurality of output voltage feedback terminals is detected, the first voltage being greater than a second voltage received by the control unit. The control unit is configured for controlling the drive chip to restart when the first voltage is greater than the second voltage.

Abstract: Disclosed are a low-cost high-efficiency drip irrigation system for a cotton field and a use method thereof. The drip irrigation system for a cotton field includes a filtering device and a water supply device; wherein the filtering device adopts different types of single filtering devices or combined filtering devices according to different water source types; the water supply device includes multiple stages of main pipes, submain pipes and laterals; the laterals (a drip irrigation tape with labyrinth on one side or a drip irrigation tape inlaid with emitters inside) are laid on the surface of the ground and located below a mulch film. The drip irrigation system adopts the design of large flow (1.5-3.4 L/h), slightly larger pipe diameter (>75 mm), low water pressure (operating pressure of drip irrigation tape being 0.03-0.07 MPa) and suitable drip irrigation uniformity (80%-90%).

Abstract: An interferometric demodulation system for a large capacity fiber grating sensing network is provided by the present disclosure, comprising: a continuous light output end of the nanoscale wide-spectrum light source is connected to an input end of the pulse optical modulator, an output end of the reference grating is connected to an input end of the grating array sensing network, and a third communication end of the optical circulator is connected to an input end of the optical amplifier, an output end of the optical amplifier is connected to an input end of the Mach-Zehnder interferometer, three-channel signal output ends of the Mach-Zehnder interferometer are respectively connected to signal input ends corresponding to the embedded signal processor through the photoelectric converter, and the embedded signal processor controls the heating device to control a temperature of an any one of interference arms of the Mach-Zehnder interferometer.

Abstract: The present disclosure provides a control circuit of a blind-mating display having two Type-C interfaces, a control device thereof, and a control method thereof. The control circuit of the blind-mating display having two Type-C interfaces includes a display control module, a first Type-C interface module, a second Type-C interface module, a first switching switch module, a second switching switch module, and a dielectric module. The dielectric module is electrically connected to the first Type-C interface module, the second Type-C interface module, and the display control module. The first switching switch module is electrically connected to the first Type-C interface module, the second Type-C interface module, and the display control module. The second switching switch module is electrically connected to the first Type-C interface module, the second Type-C interface module, and the display control module. The present disclosure is alternately communicated with the source device and the PD device.

Abstract: Disclosed are specifically a marker polypeptide of a Bothrops atrox-like thrombin and a method thereof for detecting species source and content of a snake venom-like thrombin and an application, relating to the technical field of snake venom detection. An amino acid sequence of the marker polypeptide is EAYNGLPAK (SEQ ID NO:1), and the marker polypeptide may be used to detect the species source and content of the snake venom-like thrombin in a sample. The marker polypeptide of the present disclosure may play an important role in characterizing the species source and content of the snake venom-like thrombin in the sample, and fill in the blank of a quality standard of snake venom of the Bothrops atrox.

Abstract: Disclosed are specifically a marker polypeptide of a Bothrops atrox-like thrombin and a method thereof for detecting species source and content of a snake venom-like thrombin and an application, relating to the technical field of snake venom detection. An amino acid sequence of the marker polypeptide is EAYNGLPAK (SEQ ID NO:1), and the marker polypeptide may be used to detect the species source and content of the snake venom-like thrombin in a sample. The marker polypeptide of the present disclosure may play an important role in characterizing the species source and content of the snake venom-like thrombin in the sample, and fill in the blank of a quality standard of snake venom of the Bothrops atrox.

Abstract: A charging circuit includes a first charging path and a second charging path. The first charging path and the second charging path are connected in parallel, and the first charging path and the second charging path are both used to receive a charging signal via a wired charging interface. The first charging path is connected to a first power end of a battery, and the second charging path is connected to a second power end of the battery. The first end of the battery is different from the second end of the battery.

Abstract: A three-suspension pole magnetic suspension sheet switched reluctance motor includes a stator and a rotor. The stator includes a motor stator iron core, a magnetic conductive bridge, and a permanent magnet ring. Three stator suspension teeth and three stator torque teeth are distributed at intervals on an inner periphery of the motor stator iron core. The stator torque teeth are respectively connected to the motor stator iron core. The stator torque teeth are axially distributed and have inverted U-shapes. The magnetic conductive bridge is connected to the motor stator iron core through the permanent magnet ring. The magnetic conductive bridge includes a magnetism collection ring protruding inwards into the rotor. Rotor teeth are distributed on an outer side of the rotor. An outer air gap is between the rotor tooth and the motor stator iron core. An inner air gap is between the rotor tooth and the magnetism collection ring.

Abstract: A large-angle sloping roof steel structure connected to a main body structure, including: an intermediate platform, inclined main supporting steel columns circumferentially connected at four corners of the intermediate platform, constructing steel columns and wind-proof surrounding beam connected between top ends of the inclined main supporting steel columns, where roof purlin are connected between the adjacent inclined main supporting steel columns at intervals. The invention provides a top-down inverted construction method for a large-angle sloping roof with a steel structure as the main structural form. By using the method, the operation safety of an inclined main stressed vertical member during the installation process can be ensured, and the investment of supporting measures is reduced by preferentially installing the intermediate platform, thus effectively ensuring the installation progress, quality and safety of the sloping roof steel structure.

Abstract: The present application provides an intelligent cloud traffic control system, which has a traffic data recalling and transmission architecture arranged hierarchically from bottom to top, and which includes: terminal devices, first-level cloud devices, second-level cloud devices, . . . ith-level cloud devices; wherein the ith-level cloud devices include a first cloud device, . . . a jth cloud device; the ith-level cloud devices further include: a first cache cloud, . . . a kth cache cloud arranged corresponding to the jth cloud device; wherein the jth cloud device stores a jth cloud device traffic data set, and the kth cache cloud stores a kth characteristic traffic data set; and data in the kth characteristic traffic data set has a higher priority of being recalled than data in the jth cloud device traffic data set.

Abstract: The present application provides an intelligent cloud traffic control system, which has a traffic data recalling and transmission architecture arranged hierarchically from bottom to top, and which includes: terminal devices, first-level cloud devices, second-level cloud devices, . . . ith-level cloud devices; wherein the ith-level cloud devices include a first cloud device, . . . a jth cloud device; the ith-level cloud devices further include: a first cache cloud, . . . a kth cache cloud arranged corresponding to the jth cloud device; wherein the jth cloud device stores a jth cloud device traffic data set, and the kth cache cloud stores a kth characteristic traffic data set; and data in the kth characteristic traffic data set has a higher priority of being recalled than data in the jth cloud device traffic data set.

Abstract: The present disclosure relates to an intelligent traffic cloud control system; by making full use of technologies such as cloud computing, edge computing, big data, and artificial intelligence, the present disclosure proposes a technical architecture of a cloud-edge-end cooperative road traffic cloud control platform, which can overcome the defects of the technical architecture of existing road traffic operation management and monitoring systems. The highway cloud control platform designed and developed based on this technical architecture can improve the operational efficiency of the road network under the premise of ensuring safety, so that highway users can obtain more timely, effective, and personalized driving and traveling assistance information; moreover, practical applications such as vehicle-road cooperative autonomous driving and other functions are supported.

Abstract: A large-angle sloping roof steel structure connected to a main body structure, including: an intermediate platform, inclined main supporting steel columns circumferentially connected at four corners of the intermediate platform, constructing steel columns and wind-proof surrounding beam connected between top ends of the inclined main supporting steel columns, where roof purlin are connected between the adjacent inclined main supporting steel columns at intervals. The invention provides a top-down inverted construction method for a large-angle sloping roof with a steel structure as the main structural form. By using the method, the operation safety of an inclined main stressed vertical member during the installation process can be ensured, and the investment of supporting measures is reduced by preferentially installing the intermediate platform, thus effectively ensuring the installation progress, quality and safety of the sloping roof steel structure.

Abstract: A carbonaceous substance powder gasification system and gasification method. The system comprises a carbonaceous substance reaction apparatus and a gas return apparatus used for raising the pressure of some of a raw syngas cooled and preliminarily purified downstream of the reaction apparatus, then blending with high-temperature raw syngas upstream of the reaction apparatus and reducing the temperature.

Abstract: A carbonaceous substance dry powder gasification device and method, the device comprising from bottom to top a lower cooling and purification section (1), a gasification reaction section (2), a cooling reaction section (3) and an upper cooling and purification section (4); an initial cooling device is disposed at the connection between the cooling reaction section and the gasification reaction section; and a plurality of nozzles are circumferentially arranged in the gasification reaction section.

Abstract: A carbonaceous substance powder gasification system and gasification method. The system comprises a carbonaceous substance reaction apparatus and a gas return apparatus used for raising the pressure of some of a raw syngas cooled and preliminarily purified downstream of the reaction apparatus, then blending with high-temperature raw syngas upstream of the reaction apparatus and reducing the temperature.

Abstract: A carbonaceous substance dry powder gasification device and method, the device comprising from bottom to top a lower cooling and purification section (1), a gasification reaction section (2), a cooling reaction section (3) and an upper cooling and purification section (4); an initial cooling device is disposed at the connection between the cooling reaction section and the gasification reaction section; and a plurality of nozzles are circumferentially arranged in the gasification reaction section.

Abstract: The present disclosure provides a preparation method of glycidylester of tertiary carbonic acid. The synthesis is performed in two steps: first, the tertiary carbonic acid reacts with a halo substituted epoxide under a catalyst to produce tertiary carbonic halo substituted alcohol ester; after dehydrohalogenation of the halo substituted alcohol ester of tertiary carbonic acid, the glycidylester of tertiary carbonic acid is formed. In the first step of preparing the halo substituted alcohol ester of tertiary carbonic acid through synthesis, the reaction between the tertiary carbonic acid and the halo substituted epoxide is only performed in the existence of water and the catalyst, and the water comprises water added before the reaction. The present disclosure significantly increases the product output in the unit volume, and is particularly suitable for industrial production of glycidylester of tertiary carbonic acid having the low cost, high purity, low color and stable color.

Abstract: The present disclosure provides a preparation method of glycidylester of tertiary carbonic acid. The synthesis is performed in two steps: first, the tertiary carbonic acid reacts with a halo substituted epoxide under a catalyst to produce tertiary carbonic halo substituted alcohol ester; after dehydrohalogenation of the halo substituted alcohol ester of tertiary carbonic acid, the glycidylester of tertiary carbonic acid is formed. In the first step of preparing the halo substituted alcohol ester of tertiary carbonic acid through synthesis, the reaction between the tertiary carbonic acid and the halo substituted epoxide is only performed in the existence of water and the catalyst, and the water comprises water added before the reaction. The present disclosure significantly increases the product output in the unit volume, and is particularly suitable for industrial production of glycidylester of tertiary carbonic acid having the low cost, high purity, low color and stable color.

Abstract: A gasification apparatus for solid fuel, especially an apparatus for producing syngas by pressurized gasification of coal powder, including a gasification chamber (II) and a syngas cooling and purification chamber (III). The inner wall of the gasification chamber is a water-cooling wall (4). The inner side of the water-cooled wall is evenly coated with a layer of fire-resistant material (16). There is an annular cavity between the water-cooling wall of the gasification chamber and the furnace body. A syngas quencher, a vertical pipe (22), a gas distribution device (24), a defoaming device, and a dewatering and deashing device (21) are provided in the syngas cooling and purification chamber. The apparatus has a simple structure and is easy to operate. A high temperature gasification method for dry powder of carbonaceous material comprises spraying the combustible material and oxygen into the furnace and followed by ignition.