Abstract: A system and a method of black start for a combined operation of wind power, photovoltaic power, energy storage, and thermal power includes a renewable energy alternating current microgrid module, a power transmission and distribution module, and a thermal power generation module, the power transmission and distribution module is coupled to the renewable energy alternating current microgrid module and the thermal power generation module respectively. The renewable energy alternating current microgrid module includes a photovoltaic unit, a wind power unit, and an energy storage unit. The power transmission and distribution module is configured to transmit the electrical energy generated by the renewable energy alternating current microgrid module to the thermal power generation module. The thermal power generation module is configured to start an auxiliary equipment using the electrical energy transmitted by the power transmission and distribution module.

Abstract: The system for frequency modulation based on Direct Current (DC) controllable load for a high-voltage plant includes a frequency modulator and a DC-controllable load for the high-voltage plant connected to the frequency modulator. The frequency modulator includes a centralized rectifier configured to adjust power of loads in the DC-controllable load in response to a frequency modulation command. The DC-controllable load is configured to respond to an adjustment of the power of loads performed by the centralized rectifier.

Abstract: Methods and compositions to prevent or reduce the effects of neovascular eye disease in a subject are provided, wherein the subject is administered a pharmaceutical composition comprising an inhibitor of protein arginine methyltransferase 5 (PRMT5).

Abstract: A method of detecting an event, an electronic device, and a storage medium, which are related to a field of computer technology, in particular to a field of artificial intelligence technology, such as image processing and cloud computing. The method includes: determining a first target object according to a first image; determining a second target object and a category of the second target object according to a second image; associating a first target object with the category of the second target object to obtain a first event information; and comparing the first event information with a detection threshold to obtain a first event detection result.

Abstract: A method of recognizing an image is provided, which relates to a field of artificial intelligence technology, in particular to a field of image recognition. The method includes: recognizing a plurality of target object groups of different categories from an image to be recognized; intercepting an area of each target object group from the image to be recognized, so as to obtain a target image of the each target object group; recognizing a number of at least one target object in the each target object group from the target image of the each target object group; and generating a scheduling information for the each target object group according to the category of the each target object group and the number of the at least one target object in the each target object group. An electronic device and a storage medium are further provided.

Abstract: A method of recognizing illegal parking of a vehicle, a device, and a storage medium, which relate to the field of artificial intelligence, and in particular to the fields of deep learning, cloud computing, computer vision, etc. The method includes: obtaining a video image collected by an electronic device; recognizing a parking area of the vehicle in the video image; determining a shooting angle used by the electronic device for collecting the video image; determining an illegal parking area in the video image based on the shooting angle; and recognizing whether the vehicle is illegally parked or not based on the parking area of the vehicle and the illegal parking area.