Abstract: Microfluidic device and application method thereof are provided. The microfluidic device includes a first substrate and a second substrate that are oppositely arranged along a first direction; and a first storage box and a second storage box that are oppositely arranged along the first direction. The first direction is a thickness direction of the microfluidic device. The first storage box includes a first storage cavity and a first opening communicating with the first storage cavity, and the first substrate is fixed in the first storage cavity. The second storage box includes a second storage cavity and a second opening communicating with the second storage cavity, and the second substrate is fixed in the second storage cavity. Along the first direction, the first opening is arranged opposite to the second opening and the first storage box is nested with the second storage box.

Abstract: Provided is a microfluidic chip. The microfluidic chip includes a first substrate and a second substrate disposed opposite to each other and drive electrodes, first sensing electrodes and second sensing electrodes disposed on a side of the first substrate. A microfluidic channel is formed between the first substrate and the second substrate and configured to accommodate at least one droplet. Different drive voltage signals are applied to adjacent drive electrodes, so as to drive the at least one droplet to move. Detection signals are applied to the first sensing electrodes and the second sensing electrodes, and a position of the at least one droplet is determined according to a change in capacitance between one first sensing electrode and an electrode corresponding thereto and a change in capacitance between one second sensing electrode and an electrode corresponding thereto when the at least one droplet flows by.

Abstract: Microfluidic substrate, microfluidic device, and driving method thereof are provided. The microfluidic substrate includes a plurality of detection units arranged in an array. A detection unit of the plurality of detection units at least includes a first switch transistor, a second switch transistor, a drive electrode, and a photosensitive element. The microfluid substrate includes a base; a transistor array layer on a side of the base, first switch transistors and second switch transistors being on the transistor array layer; a photosensitive element array layer on a side of the transistor array layer away from the substrate, photosensitive elements being on the photosensitive element array layer; a first electrode layer on a side of the photosensitive element array layer away from the base; and a second electrode layer on a side of the first electrode layer away from the base.

Abstract: The present invention provides an aqueous polymer dispersion and an aqueous coating composition comprising such aqueous polymer dispersion and providing coatings with improved early water blister resistance as well as satisfactory water streaking resistance and good durability properties.

Abstract: A handover method and apparatus are disclosed. In some implementations, the method includes: determining a part of terminal devices to be handed over in a plurality of terminal devices in a staring area of a first beam; sending a first handover request message to a target satellite, where the first handover request message includes contexts of the part of terminal devices; and receiving a handover instruction sent by the target satellite based on the first handover request message, and sending the handover instruction to the part of terminal devices by using the first beam. The handover instruction includes handover parameters used for handing over the part of terminal devices. According to some implementations, the part of terminal devices in the plurality of terminal devices in the staring area may be handed over, so that a signaling storm can be avoided and communication performance can be improved.

Abstract: Provided is a microfluidic device. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other. A cavity is formed between the first substrate and the second substrate and configured to accommodate liquid. The first substrate includes multiple drive electrodes and multiple first electrodes, and the drive electrodes are disposed on a side of the first electrodes facing the second substrate. At least one of the drive electrodes includes at least one opening, and the at least one opening, along a direction perpendicular to a plane where the first substrate is located, penetrates the drive electrode where the at least one opening is located. An orthographic projection of at least one first electrode on the plane where the first substrate is located covers at least an orthographic projection of one opening on the plane where the first substrate is located.

Abstract: Provided a microfluidic pixel driving circuit includes n boost modules, where each boost module includes a capacitor and a write unit, and n is a positive integer greater than or equal to 2; a first terminal of a first capacitor is electrically connected to a fixed potential line, a second terminal of the first capacitor is electrically connected to a pixel electrode, and the first capacitor is used for storing a voltage of the pixel electrode; a first write unit is configured to write a first data signal to the pixel electrode according to an enable level of a first scan signal; a first terminal of a second capacitor is electrically connected to the pixel electrode; and a second write unit is configured to write a second data signal to a second terminal of the second capacitor according to an enable level of a second scan signal.

Abstract: A balance scooter startup method and an apparatus controlling balance scooter startup, the balance scooter startup method comprising the following steps: for a balance scooter in a powered-off state, sensing back and forth rocking motion, and rotating an electric motor to generate electricity, and outputting an electrical signal; the electrical signal triggering a power supply module of a control board to start; a battery of the power supply module starting to power the balance scooter, completing the balance scooter startup. The apparatus controlling balance scooter startup is used to detect rocking motion of the balance scooter, rocking of wheels drive the electric motor to generate electricity, and collection of the electrical signal generated by the electric motor controls the balance scooter to start up. The present disclosure is convenient for a user to employ, and improves a usage experience for a user.

Abstract: A balance scooter startup method and an apparatus controlling balance scooter startup, the balance scooter startup method comprising the following steps: for a balance scooter in a powered-off state, sensing back and forth rocking motion, and rotating an electric motor to generate electricity, and outputting an electrical signal; the electrical signal triggering a power supply module of a control board to start; a battery of the power supply module starting to power the balance scooter, completing the balance scooter startup. The apparatus controlling balance scooter startup is used to detect rocking motion of the balance scooter, rocking of wheels drive the electric motor to generate electricity, and collection of the electrical signal generated by the electric motor controls the balance scooter to start up. The present disclosure is convenient for a user to employ, and improves a usage experience for a user.

Abstract: A personal transport vehicle may include a first wheel and a second wheel, a first motor configured to drive the first wheel, and a second motor configured to drive the second wheel. The vehicle may also include at least one platform for supporting a driver, a plurality of pressure sensors to detect pressure applied by the driver on the platform, and a control circuit coupled to the plurality of pressure sensors to determine a pressure differential across the plurality of pressure sensors. The control circuit may generate, based on the pressure differential, control signals for the first motor and the second motor to drive the first wheel and the second wheel to turn the vehicle.

Abstract: A personal transport vehicle may include a first wheel and a second wheel, a first motor configured to drive the first wheel, and a second motor configured to drive the second wheel. The vehicle may also include at least one platform for supporting a driver, a plurality of pressure sensors to detect pressure applied by the driver on the platform, and a control circuit coupled to the plurality of pressure sensors to determine a pressure differential across the plurality of pressure sensors. The control circuit may generate, based on the pressure differential, control signals for the first motor and the second motor to drive the first wheel and the second wheel to turn the vehicle.