Abstract: The invention relates to a use of a fluorination gas, the elemental fluorine (F2) is preferably present in a high concentration, e.g. in a concentration of elemental fluorine (F2), especially of equal to much higher than 15% or even 20% by volume (i.e., at least 15% or even 20% by volume), and to a process for the manufacture of a fluorinated benzene starting from benzoic acid by direct fluorination employing a fluorination gas. The elemental fluorine (F2) is preferably present in high concentration, and subsequent decarboxylation of the benzoic acid hypofluorite obtained by direct fluorination. The process of the invention is also directed to the manufacture of benzoic acid hypofluorite by direct fluorination of benzoic acid. Especially the invention is of interest in the preparation of fluorinatedbenzene, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications.

Abstract: A non-common-ground bandpass filter circuit with electrostatic discharge (ESD) protection is disclosed. The non-common-ground bandpass filter circuit with ESD protection includes a non-common-ground plane, a dielectric substrate and a conductor. The conductor is disposed above the non-common-ground plane. The dielectric substrate is disposed between the conductor and the non-common-ground plane. The non-common-ground plane at least has a first ground region and a second ground region separated and insulated from each other. The first ground region corresponds to a first terminal of the conductor and the second ground region corresponds to a second terminal of the conductor. When an ESD event occurs on one of the first ground region and the second ground region, the other of the first ground region and the second ground region will not be damaged by the ESD event. The non-common-ground bandpass filter circuit also provides surge protection.

Abstract: Provided in the invention is an SCR system urea mixer. The SCR system urea mixer comprises an outer pipe and an inner pipe arranged in the outer pipe. The outer pipe comprises an air inlet cone pipe (11) and an air inlet straight pipe (12) connected with the air inlet cone pipe (11). The inner pipe comprises an air inlet rectifying pipe (21) and a porous pipe (22). The porous pipe (22) is sleeved outside the air inlet rectifying pipe (21). The air inlet rectifying pipe (21) is provided with an airstream rotating mechanism (211), and the airstream rotating mechanism (211) is used for rotating exhaust gas which enters into the air inlet cone pipe (11). A rotating structure and a porous structure are used in the SCR system urea mixer, so that urea and engine exhaust are fully mixed; and the SCR system urea mixer is provided with heat preservation measures to prevent the crystallization of the urea.

Abstract: Disclosed is a bucket applied in a vending machine, including a bucket body, a first driving mechanism and a second driving mechanism. The bucket body includes an inner cavity and two ports in communication with the inner cavity respectively. The two ports are arranged at an interval in a first preset direction. The first driving mechanism and the second driving mechanism are arranged at an interval in the bucket body in a second preset direction, and are respectively configured to detachably mate with a dispensing assembly of a storage column of the vending machine, to provide power to the dispensing assembly. Also disclosed is a vending machine including multiple storage columns and the aforementioned bucket.

Abstract: A ICN packet forwarding method, including: step 1) maintaining, by a network forwarding device, a network entity ID association state table, which is used for recording a state of the binding relationship between a network entity ID and a network address to which the network entity is associatively bound; after a network address binding relationship of the network entity changes due to location movement thereof, adding or updating, by the network forwarding device, a record of the network entity in the network entity ID association state table according to notification information of the network entity; and step 2) upon receipt of an ICN packet, by the network forwarding device, determining whether the ICN packet needs to be processed, according to information of the current network entity ID association state table; if yes, forwarding after processing the ICN packet; otherwise, directly forwarding the packet.

Abstract: An environmentally friendly water transfer printing method is provided that includes applying water-based primer to a surface of a subject; using a water transfer printing membrane including a modified water-based ink multi-color printing pattern, so that a water-soluble film of the water transfer printing membrane absorbs water and dissolves to swell the modified water-based ink, and the water-based primer is combined with the modified water-based ink to make the surface of the object attach a pattern. The environmentally friendly water transfer printing method and a corresponding surface structure of a component uses modified water-based ink in the water transfer printing membrane during the water transfer printing. No activator, which is a mixed solvent of multiple solvents or multiple mixed solvents, is used during the method, so there is no VOC discharge.

Abstract: A scanning circuit, a driver circuit, a touch display panel, a receiving switching circuit and a driving method are disclosed. The scanning circuit includes a function switching circuit and a plurality of shift register units that are cascaded. Each shift register units includes a control terminal and a shift scanning output terminal, and is configured to output a first output signal at the shift scanning output terminal; the function switching circuit includes a mode switching input terminal, a control signal output terminal and a mode scanning output terminal, and the control signal output terminal and the mode scanning output terminal are respectively connected to the control terminals and the shift scanning output terminals of the plurality of shift register units. The function switching circuit is configured to output the control signal to the control terminals or to output a second output signal to the shift scanning output terminals.

Abstract: The present disclosure provides a flexible display device including a display panel, a first attachment frame, a second attachment frame, and a cover window structure, wherein the cover window structure is connected to the display panel through the first attachment frame. By providing a replaceable cover window structure, thinning of the cover window structure can be realized to the greatest extent, and its bending performance can be improved. As such, a wider choice of materials is available, and expensive materials can be replaced by cheaper layers, such that the production of the hardened layer can be achieved through various process routes.

Abstract: Provided are a video stream check method, a video stream check system, a computer device and a computer-readable storage medium. The video stream check method is applied to a video management platform. The video management platform includes a central service module. The check method includes acquiring a video resource list from the central service module; grouping video resources in the video resource list and performing a real-time cyclic preview of the grouped video resources; determining status of the video resources based on the result of the real-time cyclic preview; and reporting the status of the video resources to the central service module so that the central service module updates original status of the video resources to the determined status of the video resources and notifies the updated status of the video resources to other applications of the video management platform.

Abstract: Provided are a method and an apparatus for displaying item information in a current space, an electronic device, and a non-transitory machine-readable storage medium. The method comprises: obtaining spatial data of a current position in a current space, and obtaining position data and information data of at least one item in the current space according to the spatial data; calculating a display priority of the at least one item in the current space according to the spatial data, the position data, and the information data; and displaying the information data of the at least one item according to the display priority. Through the method, the display priority of the information data of the at least one item in the current space are calculated, and then the information data of the at least one item in the current space is displayed according to the display priority, so that it is convenient for a user to directly view the information data of the at least one item in the current space.

Abstract: The present application discloses a pixel driving method, comprising: in a pre-charging phase, turning on a second driving branch to write a preset voltage into a second data line, and then turning off the second driving branch and turning on a first driving branch to write the preset voltage into a first data line; in a first data writing phase, keeping the first driving branch to be turned on to write a first data voltage into the first data line, and then turning off the first driving branch; and in a second data writing phase, turning on the second driving branch to write a second data voltage into the second data line.

Abstract: A shift register unit and a driving method thereof, a gate drive circuit, and a display device are provided. The shift register unit includes: an input circuit configured to control a potential of a first node; a first output circuit configured to output a carry signal to a first output terminal of the shift register unit through an output terminal of the first output circuit, under control of the potential and a clock signal; a second output circuit configured to output a driving signal to a second output terminal of the shift register unit, under control of the potential and the clock signal; a switching circuit configured to control the output terminal to be electrically connected to the first output terminal in response to a control signal; and a potential control circuit configured to control the output terminal to be electrically connected to a first voltage terminal.

Abstract: A method, apparatus, device and readable medium for transfer learning in machine learning are provided. The method includes: constructing a target model according to the number of classes to be achieved by a target task and a duly-trained source model; obtaining a value of a regularized loss function of the corresponding target model and a value of a cross-entropy loss function of the target model, based on sets of training data in a training dataset of the target task; according to the value of the regularized loss function and the value of the cross-entropy loss function corresponding to each set of training data, updating parameters in the target model by a gradient descent method to implement the training of the target model. The above technical solution avoids excessive constraints on parameters in the prior art, thereby refraining from damaging the training effect of the source model on the target task.

Abstract: A method and apparatus for storing information. The method comprises: generating a traceability code of an article, and associating the traceability code of the article with the article (201); collecting circulation information of the article (202); determining a form data item corresponding to the circulation information of the article (203); and according to the traceability code of the article, and a correlation between the form data item corresponding to the circulation information of the article and the circulation information of the article, storing the traceability code of the article, the form data item corresponding to the circulation information of the article and the circulation information of the article (204).

Abstract: Sparse reference signal-related signaling, for a wireless channel that is associated with multiple antenna ports, is communicated with a User Equipment (UE). The sparse reference signal-related signaling is consistent with a sparse signaling pattern. In an embodiment, the sparse signaling pattern includes reference signal-related signaling associated with each of the antenna ports, and has been determined based on previous reference signal-related signaling previously communicated with the UE or another UE. In another embodiment, the sparse reference signal-related signaling is consistent with a varying sparse signaling pattern that is based on previous reference signal-related signaling previously communicated with the UE or another UE.

Abstract: Provided are a photoalignment method and a photoalignment device, including: adjusting direction of light ray emitted from light source so that first angle is formed between that and XOY plane, and second angle is formed between projection of that on XOY plane and Y-axis; adjusting angle of polarizing plate so that it is parallel to XOY plane, and its light transmission axis is parallel to projection of that on XOY plane; moving array substrate along negative direction of Y-axis to perform exposure operation on array substrate; and moving color filter substrate, which rotated by 180 degrees, in negative direction of Y-axis to perform exposure operation on color filter substrate, wherein color filter substrate has exposure regions which are completely identical, in position and number, to those of array substrate, and each exposure region is exposed to light in identical direction to that of corresponding exposure region of array substrate.

Abstract: The present application provides a device, a mobile robot, and a system to operate a method for navigation path tracking control. The device includes: one or more storage media, storing a set of instructions for tracking and controlling a navigation path; and one or more processors in communication with the one or more storage media, wherein during operation the one or more processors execute the set of instructions to: obtain a location of a mobile robot; determine, in a navigation path, a target point that satisfies a preset location relationship with the location of the mobile robot; and control the mobile robot to move toward the target point in the navigation path. In this way, accurate tracking control is implemented on the navigation path of the mobile robot, and accuracy and robustness of tracking control are improved.

Abstract: A microfluidic device, a microfluidic detection assembly and a detection method for the microfluidic device. The microfluidic device includes a first substrate and a second substrate; the first substrate and the second substrate are oppositely arranged to define a channel between the first substrate and the second substrate, the channel is configured for liquid to flow, the first substrate includes a base substrate and a plurality of control assemblies which are arranged on the base substrate along an extending direction of the channel, each of the plurality of control assemblies includes: a first electrode, a second electrode and a plurality of coils, and the first electrode is configured to input currents into the plurality of coils, and the plurality of coils are connected in parallel to the second electrode.

Abstract: Embodiments of the present disclosure provide a foldable display device comprising both an outwardly folding structure and an inwardly folding structure. Size differences generated in an outwardly folding process and an inwardly folding process can be compensated for each other by designing folding sizes of the structures, thereby achieving the purpose of matching the size of a mechanism and a display panel during folding process of the foldable display device.

Abstract: A method for automatically generating a universal set of stereoisomers of an organic molecule. The method includes: (1) segmenting an input molecule into a group of fragments; (2) matching the obtained isomer fragments with fragment templates in a fragment template library; (3) generating all isomers of the corresponding fragments according to fragment template information; and (4) traversing all the isomer fragments and sites thereof, and assembling the fragments at the two ends of a broken bond in the step (1) according to all possible sites of a broken-bond atom to obtain all stereoisomers; and if filtering is needed, performing filtering according to a specified filtering rule.