Abstract: Disclosed is a post-plating treatment method for a one-step brass-electroplated steel wire, comprising the following steps: electroplating the surface of the steel wire with a brass alloy; immediately washing the electroplated steel wire with cold water, removing residues from the surface of the steel wire, and blow-drying the steel wire with cold air; immersing the blow-dried steel wire in a water-based coating solution; and taking the immersed steel wire out, blow-drying the steel wire with natural air, and taking the steel wire up. The water-based coating solution comprises a polyoxyethylene organic salt, sodium hypophosphite and the balance of pure water, the polyoxyethylene organic salt comprising a salt of alkyl polyoxyethylene ether phosphate and polyoxyethylene alkylamine.

Abstract: The present invention discloses an automatic assembly line for mattress spring, comprising a mattress spring conveying mechanism for conveying mattress springs; It also comprises a mattress spring frame assembly mechanism for installing frames on the mattress spring; It also comprises a mattress spring butterfly spring nailing mechanism for installing butterfly springs on the side of the mattress spring; This proposal designs an automatic assembly line for mattress spring, wherein the mattress spring frame assembly mechanism can automatically complete the loading of the frame, the transportation of the mattress spring frame assembly mechanism, the installation between the mattress spring and the frame, and the folding of non-woven fabric after the installation of the mattress spring frame; The entire automatic assembly line for mattress spring presents a high degree of automation without manual operation, which features high assembly efficiency and high assembly accuracy, thereby effectively improving the pro

Abstract: A multilayer strand steel wire rope production device is provided. A pre-former is fixed on a drum, and a specific position of the pre-former is defined, a center strand payoff spool and a plurality of outer winding strand payoff spools are provided in the drum. The first wire guide mechanism is close to the corresponding outer winding strand payoff spool. One end of the outer surface of the drum away from the first wire guide mechanism is provided with a second wire guide mechanism, and a hub is additionally provided and located on one side of the drum close to the second wire guide mechanism; outer winding strands drawn from the plurality of outer winding strand payoff spools sequentially pass the first wire guide mechanism, the pre-former, and the second wire guide mechanism, and are guided to the hub for gathering to complete strand wire twisting.

Abstract: A self-propelled platform for monitoring field crop phenotype is provided. The monitoring platform includes a traveling and steering mechanism, wheel track and ground clearance adjustment devices, damping devices, and a case. The traveling and steering mechanism includes wheel side motors, wheels, and torque motors. The wheels are connected to respective upright posts of the platform through respective rigid independent suspensions. Each upright post is of sleeve structure and includes an upper sleeve and a lower sleeve. A corresponding damping device is connected between the upper sleeve and the lower sleeve. The wheel track and ground clearance adjustment devices are configured for adjusting the height of the case and the tracks between the wheels. The lower ends of the wheel track and ground clearance adjustment devices are rotatably connected to respective upright posts, and the upper ends are rotatably connected to the case.

Abstract: Disclosed is a post-plating treatment method for a one-step brass-electroplated steel wire, comprising the following steps: electroplating the surface of the steel wire with a brass alloy; immediately washing the electroplated steel wire with cold water, removing residues from the surface of the steel wire, and blow-drying the steel wire with cold air; immersing the blow-dried steel wire in a water-based coating solution; and taking the immersed steel wire out, blow-drying the steel wire with natural air, and taking the steel wire up. The water-based coating solution comprises a polyoxyethylene organic salt, sodium hypophosphite and the balance of pure water, the polyoxyethylene organic salt comprising a salt of alkyl polyoxyethylene ether phosphate and polyoxyethylene alkylamine.

Abstract: A multilayer strand steel wire rope production device is provided. A pre-former is fixed on a drum, and a specific position of the pre-former is defined, a center strand payoff spool and a plurality of outer winding strand payoff spools are provided in the drum. The first wire guide mechanism is close to the corresponding outer winding strand payoff spool. One end of the outer surface of the drum away from the first wire guide mechanism is provided with a second wire guide mechanism, and a hub is additionally provided and located on one side of the drum close to the second wire guide mechanism; outer winding strands drawn from the plurality of outer winding strand payoff spools sequentially pass the first wire guide mechanism, the pre-former, and the second wire guide mechanism, and are guided to the hub for gathering to complete strand wire twisting.

Abstract: A self-propelled platform for monitoring field crop phenotype is provided. The monitoring platform includes a traveling and steering mechanism, wheel track and ground clearance adjustment devices, damping devices, and a case. The traveling and steering mechanism includes wheel side motors, wheels, and torque motors. The wheels are connected to respective upright posts of the platform through respective rigid independent suspensions. Each upright post is of sleeve structure and includes an upper sleeve and a lower sleeve. A corresponding damping device is connected between the upper sleeve and the lower sleeve. The wheel track and ground clearance adjustment devices are configured for adjusting the height of the case and the tracks between the wheels. The lower ends of the wheel track and ground clearance adjustment devices are rotatably connected to respective upright posts, and the upper ends are rotatably connected to the case.

Abstract: A shift register, including: a first input circuit configured to supply a first reference signal of a first reference signal terminal to the pull-up node under control of an input signal of the input signal terminal; a pull-up node state maintaining circuit configured to supply a third reference signal of the third reference signal terminal to the pull-up node when the potential of the pull-up node is a first potential, and supply a fourth reference signal of the fourth reference signal terminal to the pull-up node when the potential of the pull-up node is a second potential; and an output circuit configured to output a first clock signal of the first clock signal terminal to the gate signal output terminal under control of the potential of the pull-up node.

Abstract: A shift register, including: a first input circuit configured to supply a first reference signal of a first reference signal terminal to the pull-up node under control of an input signal of the input signal terminal; a pull-up node state maintaining circuit configured to supply a third reference signal of the third reference signal terminal to the pull-up node when the potential of the pull-up node is a first potential, and supply a fourth reference signal of the fourth reference signal terminal to the pull-up node when the potential of the pull-up node is a second potential; and an output circuit configured to output a first clock signal of the first clock signal terminal to the gate signal output terminal under control of the potential of the pull-up node.

Abstract: The present disclosure provides a shift register circuitry, a gate driving circuit, and a display device. The shift register circuitry of the present disclosure includes a first shift register unit, a second shift register unit, a pull-down control sub-circuit (20), and a pull-down sub-circuit (30); wherein the first shift register unit includes a first input Sub-circuit (11), a first output sub-circuit (12), a first reset sub-circuit, and a first noise reduction sub-circuit (14); a second shift register unit includes a second input sub-circuit (21), a second output sub-circuit (22), a second reset sub-circuit and a second noise reduction sub-circuit (24).

Abstract: A crop growth monitoring device based on multi-rotor unmanned aerial vehicle platform includes a multi-rotor unmanned aerial vehicle, a payload and a ground receiver; the payload part includes a multispectral crop growth sensor module, a signal amplification module, a controller module, a wireless data transmission module, and a power module for power supply and a power supply control module, which are connected in sequence; further comprising a gimbal. The crop growth monitoring device based on the multi-rotor unmanned aerial vehicle platform overcomes the influence on measurement caused by the down-wash flow field of the unmanned aerial vehicle, and can transmit the measured data to the ground receiver in real time for online analysis and processing, realizing continuous, real-time, convenient and large-scope acquisition of crop growth information.

Abstract: The present disclosure provides a shift register circuitry, a gate driving circuit, and a display device. The shift register circuitry of the present disclosure includes a first shift register unit, a second shift register unit, a pull-down control sub-circuit (20), and a pull-down sub-circuit (30); wherein the first shift register unit includes a first input Sub-circuit (11), a first output sub-circuit (12), a first reset sub-circuit, and a first noise reduction sub-circuit (14); a second shift register unit includes a second input sub-circuit (21), a second output sub-circuit (22), a second reset sub-circuit and a second noise reduction sub-circuit (24).

Abstract: A crop growth sensing apparatus and method supporting agricultural machinery variable-quantity fertilization, includes a shock-absorbing support, a shock-absorbing frame, and a cantilever beam. The shock-absorbing support is connected to an agricultural machinery vehicle frame. The cantilever beam is pivotally connected above a shock-absorbing spring of the shock-absorbing support. The cantilever beam, by means shock-absorbing springs mounted thereabove and thereunder, is pivotally connected to the shock-absorbing frame. The shock-absorbing frame is fixedly connected to a crop growth sensor. The crop growth sensing method employs an engine vibration model of the agricultural machinery and a vibration model for vehicle wheels and farmland road surface as excitations in analyzing vibrations of a crop growth multispectral sensor shock-absorbing apparatus to determine the number and mount positions of sensitive elements of the crop growth multispectral sensor.

Abstract: A crop growth sensing apparatus and method supporting agricultural machinery variable-quantity fertilization, includes a shock-absorbing support, a shock-absorbing frame, and a cantilever beam. The shock-absorbing support is connected to an agricultural machinery vehicle frame. The cantilever beam is pivotally connected above a shock-absorbing spring of the shock-absorbing support. The cantilever beam, by means shock-absorbing springs mounted thereabove and thereunder, is pivotally connected to the shock-absorbing frame. The shock-absorbing frame is fixedly connected to a crop growth sensor. The crop growth sensing method employs an engine vibration model of the agricultural machinery and a vibration model for vehicle wheels and farmland road surface as excitations in analyzing vibrations of a crop growth multispectral sensor shock-absorbing apparatus to determine the number and mount positions of sensitive elements of the crop growth multispectral sensor.

Abstract: A crop growth monitoring device based on a multi-rotor unmanned aerial vehicle platform includes a multi-rotor unmanned aerial vehicle, a payload and a ground receiver; the payload part includes a multispectral crop growth sensor module, a signal amplification module, a controller module, a wireless data transmission module, and a power module for power supply and a power supply control module, which are connected in sequence; further comprising a gimbal. The crop growth monitoring device based on the multi-rotor unmanned aerial vehicle platform overcomes the influence on measurement caused by the down-wash flow field of the unmanned aerial vehicle, and can transmit the measured data to the ground receiver in real time for online analysis and processing, realizing continuous, real-time, convenient and large-scope acquisition of crop growth information.

Abstract: A touch screen, a touch display apparatus and a display driving method. The touch screen includes: a first substrate; a second substrate, the second substrate and the first substrate being arranged oppositely; and a pressure sensing electrode group. The pressure sensing electrode group includes a first electrode, a second electrode and a conductive spacer, the first electrode is positioned on a side of the first substrate which faces the second substrate, the second electrode is positioned on a side of the second substrate which faces the first substrate, an orthographic projection of the first electrode on the second substrate overlaps with an orthographic projection of the second electrode on the second substrate, one end of the conductive spacer is connected with one of the first electrode and the second electrode, and a height of the conductive spacer is smaller than a distance between the first substrate and the second substrate.

Abstract: The present disclosure provides a shift register unit, its driving method, a gate driver circuit and a display device. The shift register unit includes an input end, a gate driving signal output end, a reset end, a pull-up transistor, a pull-down transistor, a pull-down node control module and a pull-up node control module. The pull-down node control module is configured to turn on the pull-down transistor at a first noise reduction stage so as to enable the gate driving signal output end to output a low level, and pull down the pull-down node to be at a low level at a second noise reduction stage. The pull-up node control module is configured to pull down the pull-up node to be at a low level at the first noise reduction stage and the second noise reduction stage, so as to turn off the pull-up transistor.