Abstract: A therapeutic device, therapeutic system and therapeutic method for myocardium repair, wherein the therapeutic device comprises a treatment needle for piercing the heart to release a therapeutant. The treatment needle includes a needle body (5a), the interior of the needle body (5) has a therapeutant conveying cavity, an end of the needle body (5a) is a needle (5b) which can pierce the myocardium and guide the needle body (5a) to pass through the myocardium, and the needle (5b) has a therapeutant output port which is connected to the therapeutant conveying cavity. The therapeutic device enters into the myocardium in a minimally invasive manner to release the therapeutant to the vicinity of the lesion to improve myocardial function or activity and prevent further deterioration of the disease.

Abstract: The present application provides a method, device and system for automatically fueling a vehicle. The method includes: determining fuel amount to be filled according to the information of vehicle status and the driving route of the vehicle; assigning a fueling device which conforms to a preset position rule to the vehicle according to the current position of the vehicle and the preset position rule; sending a feedback message carrying position information of the fueling device to the vehicle, so that the vehicle drives to the fueling device indicated by a position of the fueling device; and sending information of the fuel amount to be filled and the information of the identifier of the vehicle to the fueling device so that the fueling device offers fuel to the vehicle indicated by the identifier of the vehicle according to the information of the fuel amount to be filled.

Abstract: The application discloses a method and system of implementing a vehicle automatically passing through a barrier, a vehicle controller and a road barrier controller, so as to implement the automatic passing through of the road barrier of the unmanned vehicle. The method includes: controlling, by a vehicle controller, the vehicle to drive automatically and stop at a place of the road barrier; interacting, by the vehicle controller, with a road barrier controller corresponding to the place of the road barrier to accomplish the automatic passing through of the road barrier.

Abstract: The present invention provides compounds, compositions thereof, and methods of using the same.

Abstract: ?-RgIA4 peptide analogs, compositions therewith, and methods for their treatment and use are disclosed and described. For example, an ?-RgIA4 peptide analog can comprise a recognition finger region configured to bind to an ?9?10 nicotinic acetylcholine receptor, and a side chain bonding configuration that protects an inter-cysteine sulfur linkage.

Abstract: The present disclosure provides a method for preparing multi-component polymers through post-polymerization modification, used to functionalize polysulfonyl imidate polymer including a dispersing polymer reactant, an electrophilic substitution reagent and a catalyst in an organic dispersant; adding acid-binding agent to react at room temperature for 4-48 h; obtaining the precipitate when the reaction finished; washing and drying the obtained precipitate to get the functionalized multi-component polymers. The present disclosure involves a low polymerization temperature, allowing for the reaction to occur at room temperature. Additionally, the conversion rate is high, and the applicable electrophilic substitution monomer reagents have a wide selection. Besides that, the synthesis cost of the reaction is low due to the widespread availability of common chemical reagents such as catalysts, organic dispersants, acid binding agents, and other reaction reagents.

Abstract: A tapered fiber optoacoustic emitter includes a nanosecond laser configured to emit laser pulses and an optic fiber. The optic fiber includes a tip configured to guide the laser pulses. The tip has a coating including a diffusion layer and a thermal expansion layer, wherein the diffusion layer includes epoxy and zinc oxide nanoparticles configured to diffuse the light while restricting localized heating. The thermal expansion layer includes carbon nanotubes (CNTs) and Polydimethylsiloxane (PDMS) configured to convert the laser pulses to generate ultrasound. The frequency of the ultrasound is tuned with a thickness of the diffusion layer and a CNT concentration of the expansion layer.

Abstract: Disclosed is a method for controlling stable flight of an unmanned aircraft, comprising the following steps: acquiring real-time flight operation data of the aircraft itself by means of an attitude sensor, a position sensor and an altitude sensor mounted to the unmanned aircraft, performing corresponding analysis on a kinematic problem of the aircraft by a processor mounted thereto, and establishing a dynamics model of the aircraft (S1); designing a controller of the unmanned aircraft according to a multi-layer zeroing neurodynamic method (S2); solving output control quantities of motors of the aircraft by the designed multi-layer zeroing neural network controller using the acquired real-time operation data of the aircraft and target attitude data (S3); and transferring solution results to a motor governor of the aircraft, and controlling powers of the motors according to a relationship between the control quantities solved by the controller and the powers of the motors of the multi-rotor unmanned aircraft, s

Abstract: A tapered fiber optoacoustic emitter includes a nanosecond laser configured to emit laser pulses and an optic fiber. The optic fiber includes a tip configured to guide the laser pulses. The tip has a coating including a diffusion layer and a thermal expansion layer, wherein the diffusion layer includes epoxy and zinc oxide nanoparticles configured to diffuse the light while restricting localized heating. The thermal expansion layer includes carbon nanotubes (CNTs) and Polydimethylsiloxane (PDMS) configured to convert the laser pulses to generate ultrasound. The frequency of the ultrasound is tuned with a thickness of the diffusion layer and a CNT concentration of the expansion layer.

Abstract: A system for neuromodulation includes a split-ring resonator (SRR) comprising a resonance circuit, the SRR being implantable in a cranial target site and a source of microwave signals, wherein the microwave signals are deliverable wirelessly to couple with the SRR to produce a localized electrical field, wherein the localized electrical field inhibits one or more neurons at the cranial target site with submillimeter spatial precision.

Abstract: A method for dynamic security challenge authentication may include generating, based on data about one or more previous interactions of the user with a plurality of applications, files, and devices, one or more security challenges. Examples of interactions include launching an application, editing a file, and logging onto a device. The data may be retrieved from services or components involved with the interactions. The identity of the user may be authenticated based on the responses to the security challenges. Related systems and computer program products are also provided.

Abstract: A system for neuromodulation includes a split-ring resonator (SRR) comprising a resonance circuit, the SRR being implantable in a cranial target site and a source of microwave signals, wherein the microwave signals are deliverable wirelessly to couple with the SRR to produce a localized electrical field, wherein the localized electrical field inhibits one or more neurons at the cranial target site with submillimeter spatial precision.

Abstract: A system for neuromodulation includes a split-ring resonator (SRR) comprising a resonance circuit, the SRR being implantable in a cranial target site and a source of microwave signals, wherein the microwave signals are deliverable wirelessly to couple with the SRR to produce a localized electrical field, wherein the localized electrical field inhibits one or more neurons at the cranial target site with submillimeter spatial precision.

Abstract: A tapered fiber optoacoustic emitter includes a nanosecond laser configured to emit laser pulses and an optic fiber. The optic fiber includes a tip configured to guide the laser pulses. The tip has a coating including a diffusion layer and a thermal expansion layer, wherein the diffusion layer includes epoxy and zinc oxide nanoparticles configured to diffuse the light while restricting localized heating. The thermal expansion layer includes carbon nanotubes (CNTs) and Polydimethylsiloxane (PDMS) configured to convert the laser pulses to generate ultrasound. The frequency of the ultrasound is tuned with a thickness of the diffusion layer and a CNT concentration of the expansion layer.

Abstract: Provided is a stable flight control method for a multi-rotor unmanned aerial vehicle based on finite-time neurodynamics, comprising the following implementation process: 1) acquiring real-time flight orientation and attitude data through airborne sensors, and analyzing and processing kinematic problems of the aerial vehicle through an airborne processor to establish a dynamics model of the aerial vehicle; 2) designing a finite-time varying-parameter convergence differential neural network solver according to a finite-time varying-parameter convergence differential neurodynamics design method; 3) solving output control parameters of motors of the aerial vehicle through the finite-time varying-parameter convergence differential neural network solver using the acquired real-time orientation and attitude data; and 4) transmitting results to speed regulators of the motors of the aerial vehicle to control the motion of the unmanned aerial vehicle.

Abstract: Disclosed is a method for controlling stable flight of an unmanned aircraft, comprising the following steps: acquiring real-time flight operation data of the aircraft itself by means of an attitude sensor, a position sensor and an altitude sensor mounted to the unmanned aircraft, performing corresponding analysis on a kinematic problem of the aircraft by a processor mounted thereto, and establishing a dynamics model of the aircraft (S1); designing a controller of the unmanned aircraft according to a multi-layer zeroing neurodynamic method (S2); solving output control quantities of motors of the aircraft by the designed multi-layer zeroing neural network controller using the acquired real-time operation data of the aircraft and target attitude data (S3); and transferring solution results to a motor governor of the aircraft, and controlling powers of the motors according to a relationship between the control quantities solved by the controller and the powers of the motors of the multi-rotor unmanned aircraft, s

Abstract: A super-tough steel and a production method thereof. The present invention belongs to the field of steels and preparation thereof, and particularly relates to a super-tough steel for cryogenic services, and a production method thereof. The super-tough steel comprises the following elements in percentage by weight: 0.10% to 0.15% of C, and 29.5% to 31.5% of Mn, with the balance being Fe and inevitable impurities. The production method comprises the following steps: A1, smelting with argon protection, and electroslag remelting; A2, hot rolling or hot forging; A, annealing at 900° C. to 1100° C. for 1 hour, and quenching; and A4, cold rolling, annealing of the cold-rolled plate at 700° C.-1200° C. for 1 hour, and quenching after annealing. The steel is simple in composition and does not contain precious metals; and the steel has an average grain size of less than 30 microns, and is non-magnetic with complete face-centered cubic structure.

Abstract: In a method for extracting microbial DNA from milk, the extracted DNA can be directly used for PCR amplification. The method includes the following steps: treating milk with TE solution, fully disrupting microbial cells by bead milling, immobilizing proteins in the middle layer between the aqueous and organic phases with high-vacuum silicone grease so as to prevent impurities in the middle layer from entering the aqueous phase, etc. The extracted DNA has a high degree of intactness, high concentration and purity.

Abstract: The present invention relates to a motor, a circuit board and an engine cooling module including the motor. The motor includes a stator and a rotor. The stator includes a control module and a heat sink. The control module includes a circuit board and heat generating electronic components mounted on the circuit board. A bottom surface of the circuit board faces the heat sink. The heat generating electronic components are mounted on a top surface of the circuit board. Metal heat conducting members are embedded inside the circuit board at positions corresponding to the heat generating electronic components, and extend along a thickness direction of the circuit board. The heat generated by the heat generating electronic components is conducted from the top surface of the circuit board to the bottom surface of the circuit board. The present invention improves the heat dissipation effect of the motor.

Abstract: The present disclosure relates to a motor, a circuit board and an engine cooling module including the motor. The motor includes a stator, the stator includes a control module and a heat sink, the control module includes a circuit board and a plurality of heat generating electronic components mounted on a top surface of the circuit board, a plurality of ceramic heat conducting members is embedded inside the circuit board at positions facing the heat generating electronic components, and the heat sink is attached on a bottom surface of the circuit board. The motor has improved heat dissipation effect.