Abstract: The present invention relates to the technical field of medicinal chemistry, and particularly to a method for preparing a 3-tetrazolylmethyl-1,3,5-triazin-2,4-dione compound inhibiting coronavirus 3CL protease activity and use thereof. Specifically, a compound of Formula I, or a pharmaceutically acceptable salt, or an optical isomer, or an isotope-substituted form thereof is provided. The compound effectively inhibits the SARS-CoV-2 3CLpro activity, and is useful in the preparation of a SARS-CoV-2 3CLpro inhibitor to block the replication and transcription of SARS-CoV-2 viruses in patients. The compound prepared in the present invention has high in-vitro safety, and very good prospect of application in the preparation of SARS-CoV-2 3CLpro inhibitors and anti-SARS-CoV-2 drugs.

Abstract: A liquid lens controlled by an interdigital electrode made of two insulated wires includes an inner core cavity body, the two insulated wires, a first transparent body, a second transparent body, a first fluid, and a second fluid. The insulated wires are arranged side by side and longitudinally winded on the inner core cavity body; the insulated wires are configured to form an interdigital electrode on a sidewall of the inner core cavity body; the first transparent body is disposed at an upper end of the inner core cavity body and the second transparent body is disposed at a lower end of the inner core cavity body; a lens cavity is defined among the inner core cavity body, the first transparent body, and the second transparent body; the first fluid and the second fluid are immiscible, and disposed in the lens cavity.

Abstract: A method for micro-ridge mixed-sowing cultivation of rice includes: S1: draining away water at the maturity stage of the preceding crop until reaching a state allowing a harvester to operate; S2: harvesting the preceding crop, leaving the stubble, smashing the stalks of the preceding crop, and then spreading the smashed stalks on the stubble to form a rhizosphere layer for rice growth; S3: trenching the field to form ecological trenches; S4: flattening the standing stubble and the smashed stalks on the seedbed surface to form an underlying surface, molding seed-fertilizer-soil compounds into a ridge shape and fall the seed-fertilizer-soil compounds on the underlying surface to form ecological ridges, wherein a plurality of ecological ridges are formed between adjacent ecological trenches, and the seed-fertilizer-soil compounds are obtained by thoroughly mixing rice seeds, chemical fertilizers and soil at a mass ratio of 6 to 14:50 to 70:6,000 to 10,000.

Abstract: A display substrate includes: a first base substrate; scanning lines a side of the first base substrate, extending in a first direction; and arranged in a second direction data lines at the same side of the first base substrate as the scanning lines and in a different layers from the scanning lines, extending in the second direction and arranged in the first direction; a common electrode layer at a side of the scanning lines and the data lines facing away from the first base substrate; and a first light shielding layer in contact with the common electrode layer, and including first light shielding portions extending in the second direction. The first direction intersects with the second direction. The first light shielding portions are in areas between adjacent sub-pixels in the first direction.

Abstract: An automatic recognition method for a dry quasi-stationary front in Kunming, Yunnan, China is provided. The automatic recognition method includes: reading data; calculating, by a differential method, a temperature lapse rate between each layer of each point from a ground surface to 650 hPa, and acquiring a maximum inversion trend value; acquiring an initially selected inversion distribution based on the maximum inversion trend value; removing a nighttime clear sky radiation inversion, retaining only a frontal inversion, and binarizing (0, 1); finding a boundary between inversion and non-inversion; removing the abnormal candidate frontal points, and acquiring frontal nodes; removing meso- and micro-scale systems; and performing one-dimensional Gaussian filtering on longitude data of the frontal nodes, and connecting the filtered frontal nodes to acquire a quasi-stationary front in Kunming, Yunnan, China.

Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a plurality of pixel regions, and each pixel region corresponds to a pixel. Each pixel region includes sub-regions in at least two rows, the sub-regions in each row include at least two sub-regions, a part of the sub-regions in each pixel region correspond to the sub-pixels of the pixel, and at least one sub-region is an opaque region.

Abstract: A door interface system for a vehicle door includes a sensor and a visual indicator. The sensor may be a proximity sensor and may be positioned proximate to the visual indicator such that it will detect an object proximate to the proximity sensor. The visual indicator may convey the position of the sensor and/or a status of the vehicle door. The door interface system is configured to control the vehicle door based at least in part on detecting an object proximate the visual indicator.

Abstract: The present disclosure provides a coil pipe device, a liquid cooling system, and a wind turbine. The coil pipe device is used to support a hose, and is arranged between a first platform and a second platform spaced apart. The first platform is rotatable relative to the second platform. The coil pipe device includes a first support, a second support, and a cantilever support assembly, and the first support is fixed on the first platform; the second support is fixed on the second platform. The two ends of the cantilever support assembly are rotatably connected to the first support and the second support respectively, and the cantilever support assembly extends spirally. The cantilever support assembly can be twisted spirally with the rotation of the first platform relative to the second platform.

Abstract: The present disclosure provides a coil pipe device, a liquid cooling system, and a wind turbine. The coil pipe device is used to support a hose, and is arranged between a first platform and a second platform spaced apart. The first platform is rotatable relative to the second platform. The coil pipe device includes a first support, a second support, and a cantilever support assembly, and the first support is fixed on the first platform; the second support is fixed on the second platform. The two ends of the cantilever support assembly are rotatably connected to the first support and the second support respectively, and the cantilever support assembly extends spirally. The cantilever support assembly can be twisted spirally with the rotation of the first platform relative to the second platform.

Abstract: An information switching and sharing method, a device, an electronic apparatus, and a storage medium are provided. The method is applied to a client of a sharee, and the method includes: receiving a first page shared by a client of a sharer, in a free browsing mode, wherein the shared first page comprises a link to a second page, and the free browsing mode is a mode in which a page is freely browsed by the client of the sharee; and jumping to the second page in response to a detection of a trigger operation on the link in the shared first page.

Abstract: An information sharing method, an apparatus, an electronic device, and a storage medium are provided. The method includes: determining, in response to a file sharing request initiated by a sharing party, a file-for-sharing corresponding to the file sharing request; determining a sharing strategy for the file-for-sharing, including determining the sharing strategy for the file-for-sharing based on attribute information of the file-for-sharing, where the attribute information comprises a storage address; and sharing, based on the sharing strategy, the file-for-sharing to preset clients participating in sharing. In the method, the sharing strategy for the file-for-sharing is based on based on the storage address of the file in response to the storage address being a cloud address.

Abstract: A method for training an artificial intelligence (AI) model includes receiving a first training subtask at a first training unit, obtaining, by executing the first training subtask using a plurality of first training subunits, a first weight that is obtained through synchronization among the plurality of first training subunits, asynchronously receiving a second weight that is obtained by executing a second training subtask by at least one second training unit, and obtaining a weight of the AI model based on the first weight and the second weight.

Abstract: A door interface system for a vehicle door includes a sensor and a visual indicator. The sensor may be a proximity sensor and may be positioned proximate to the visual indicator such that it will detect an object proximate to the proximity sensor. The visual indicator may convey the position of the sensor and/or a status of the vehicle door. The door interface system is configured to control the vehicle door based at least in part on detecting an object proximate the visual indicator.

Abstract: A door interface system for a vehicle door includes a sensor and a visual indicator. The sensor may be a proximity sensor and may be positioned proximate to the visual indicator such that it will detect an object proximate to the proximity sensor. The visual indicator may convey the position of the sensor and/or a status of the vehicle door. The door interface system is configured to control the vehicle door based at least in part on detecting an object proximate the visual indicator.

Abstract: An information sharing method, an apparatus, an electronic device, and a storage medium are provided. The method includes: determining, in response to a file sharing request initiated by a sharing party, a file-for-sharing corresponding to the file sharing request; determining a sharing strategy for the file-for-sharing, including determining the sharing strategy for the file-for-sharing based on attribute information of the file-for-sharing, where the attribute information comprises a storage address; and sharing, based on the sharing strategy, the file-for-sharing to preset clients participating in sharing. In the method, the sharing strategy for the file-for-sharing is based on based on the storage address of the file in response to the storage address being a cloud address.

Abstract: An information switching and sharing method, a device, an electronic apparatus, and a storage medium are provided. The method is applied to a client of a sharee, and the method includes: receiving a first page shared by a client of a sharer, in a free browsing mode, wherein the shared first page comprises a link to a second page, and the free browsing mode is a mode in which a page is freely browsed by the client of the sharee; and jumping to the second page in response to a detection of a trigger operation on the link in the shared first page.

Abstract: An information sharing method, an apparatus, an electronic device, and a storage medium are provided. The method includes: determining, in response to a file sharing request initiated by a sharing party, a file-for-sharing corresponding to the file sharing request; determining a sharing strategy for the file-for-sharing based on attribute information of the file-for-sharing; and sharing, based on the sharing strategy, the file-for-sharing within a preset sharing range.

Abstract: An information switching and sharing method, a device, an electronic apparatus, and a storage medium are provided. The method includes: upon detecting a trigger operation of a link to a second page in a first page currently being shared, redirecting to the second page, wherein the first page is currently being displayed and sent to a client terminal of a recipient user, such that the client terminal of the recipient user displays the first page; and sharing the second page to the client terminal of the recipient user in a follow mode, such that the client terminal of the recipient user in the follow mode mirrors a display of the second page, wherein the follow mode follows a display of a current display page on a client terminal of a host sharing user.

Abstract: A system for an automated vehicle includes a user input interface and an electronic controller. The electronic controller is programmed with instructions to operate at least one aspect of the automated vehicle, is configured to process information input through the user input interface, the information including data directed to predetermined parameters related to the at least one aspect of the automated vehicle at a predetermined location, and update the instructions based on the information to alter the least one aspect of the automated vehicle.

Abstract: A door interface system for a vehicle door includes a sensor and a visual indicator. The sensor may be a proximity sensor and may be positioned proximate to the visual indicator such that it will detect an object proximate to the proximity sensor. The visual indicator may convey the position of the sensor and/or a status of the vehicle door. The door interface system is configured to control the vehicle door based at least in part on detecting an object proximate the visual indicator.