Abstract: A self-powered automobile exhaust gas sensor including a supporting frame, a ferroelectric-triboelectric coupling functional film, and two metal electrodes. The ferroelectric-triboelectric coupling functional film comprises a first end fixed on the supporting beam in middle of the supporting frame, and a second end is freestanding. The two metal electrodes are grounded and adhered on the upper and lower sides of the supporting frame, respectively. An iron block is mounted on the top of the supporting frame.

Abstract: A method, system, and computer program product for protecting API KEYs for accessing services in a cloud environment are disclosed. A first request for generating a virtual key for a user in an organization to access a service in a cloud environment is received. The first request includes information of the organization, an identity of the user, and information of the service. A first authentication request is sent to an identity provider of the organization based on the information of the organization and the identity of the user. In response to the first authentication being successful, an API key for the organization to access the service is determined. The virtual key for the user to access the service is generated based on the API key, the information of the organization, and the identity of the user. The virtual key is returned as a response of the first request.

Abstract: A display substrate, a method for manufacturing the display substrate and a display device are provided in this disclosure. The display substrate includes a substrate film layer and functional film layers, the display substrate includes a display region and a hole-forming region, and the method includes: forming a plurality of functional film layers on the substrate film layer; etching at least one of the functional film layers in the hole-forming region to form a first via-hole penetrating the at least one of the functional film layers; forming a transition layer that covers the display region and reveals the first via-hole; forming a second via-hole in the hole-forming region by using the transition layer as a mask, the second via-hole penetrating the substrate film layer and all the functional film layers apart from the at least one of the functional film layers; and removing the transition layer.

Abstract: A display substrate and a manufacturing method therefor, and a display device. The display substrate comprises a stretchable area, the stretchable area comprises multiple pixel island areas spaced apart from each other, multiple hole areas, and connection bridge areas located between the pixel island areas and the hole areas; each of the hole areas is provided with one or more openings, and comprises a composite structural layer stacked on the substrate, each of the openings penetrates through the composite structural layer and a part of the opening is provided in the substrate, the opening penetrates through or does not penetrate through the substrate, and the wall of the opening is provided with separation grooves; and each of the hole areas further comprises a functional film layer provided on the composite structural layer and on the wall of each opening, and the functional film layer is separated at the separation grooves.

Abstract: A semicrystalline plastic composition comprising: a semicrystalline plastic and an additive dispersed therein. The semicrystalline plastic includes a polymeric chain comprising repeat units of an oligomeric or polymeric chain and the additive comprises a supramolecular building block and an oligomeric or polymeric tail. The oligomeric or polymeric tail of the additive having the same repeat units as the polymeric chain of the semicrystalline plastic. The additive forming a plurality of sheet-like structures through hydrogen bonding. The sheet-like structures, interacting through non-covalent interaction, form crystallized additive domains within the semicrystalline plastic.

Abstract: Approaches presented herein enable deploying a distributed machine learning framework in an edge computing environment. More specifically, a status of a connection between a computing system and an edge node of a plurality of edge nodes is monitored. At least one server node and a group of worker nodes from the plurality of edge nodes are identified based on the status. A path for distributing the training data to the worker nodes is determined based on the status. The training data from the edge node to the worker nodes is distributed via the path.

Abstract: Embodiments of the present disclosure relate to a method, system and computer program product for service retention in a computing environment. According to the method, a deprovision request for deprovisioning a target service instance provisioned in a computing environment is received. In response to the deprovision request, a retention policy associated with the target service instance is determined. The retention policy indicates an action to be applied on the target service instance. The action causes a resource usage level of the target service instance to reduce. Based on the retention policy, the target service instance is modified to obtain a retention service instance provisioned in the computing environment for use in restoration of the target service instance.

Abstract: A flexible array substrate includes at least one stretchable region; wherein the flexible array substrate is provided with a plurality of through holes within the stretchable region, and the plurality of through holes divide the stretchable region into a pixel island area for displaying and a bridging area for signal transmission; the bridging area includes a source-drain bridging area. The flexible array substrate, in the source-drain bridging area, includes: a base substrate, a first source-drain metal layer, a first insulating material layer, a second source-drain metal layer, a second insulating material layer, and an encapsulation layer that are sequentially stacked.

Abstract: A display panel of the present disclosure includes a substrate. A driving layer is arranged on a side of the substrate, and has an opening, a pixel area outside the opening, and a transition area therebetween; a surface of the driving layer distal to the substrate is provided with an isolation slot, located in the transition area and surrounding the opening. The isolation slot includes a first and second slot body intercommunicated towards the substrate. An orthographic projection of one side wall of the second slot body is outside that of the first slot body, and an orthographic projection of another side wall of the second slot body is between that of the two side walls of the first slot body. The light-emitting device layer is arranged on the surface of the driving layer distal to the substrate and includes a light-emitting functional layer, disconnected in the second slot body.

Abstract: In an embodiment of the present invention, a checkpoint is received, the checkpoint indicating at least one source position of unprocessed object(s) of a plurality of objects on at least one source shard in a database system. In response to detecting a shard change related to the checkpoint to the at least one source shard, the shard change resulting in that the at least one source shard is updated to at least one destination shard, a mapping view is generated for representing position change of the unprocessed object(s) related to the shard change. An updated checkpoint is determined for indicating the at least one destination position of the unprocessed object(s) of the plurality of objects on at least one destination shard in the database system based on the mapping view. With these embodiments, the checkpoint may be managed in a more effective way.

Abstract: Systems, methods, and media are provided for the selective indication of the presence of off-screen objects in the shared gaming environment of a multiplayer game played on a mobile device. The shared gaming environment can include a game space and a plurality of objects located at various places of the game space. The player may view a portion of the game space via a screen view presented by the mobile device. The screen view can be bordered by a frame area that includes a portion of the game space that is outside of the screen view. Based on a predetermined rule set, the presence of an object that is located within the frame area can be selectively indicated within the screen view by a visual indicator, such as an icon. The visual indicator can be assembled from a library of elements to visually communicate contextually relevant information to the player.

Abstract: A display substrate, a method manufacturing thereof and a display device are provided, including a base film layer, a functional film layer and a partial display region with hole-forming areas dividing an island area for displaying and a bridge area for signal transmission. The display substrate further includes a separation structure on the base film layer in the bridge area, which separates a target functional film layer into first and second parts. The target function film layer includes any functional film layer formed at a side of the separation structure away from the base film layer, the first part includes a part of the target functional film layer located at a side of the separation structure away from the hole-forming area, and the second part includes a part of the target functional film layer located at a side of the separation structure near the hole-forming area.

Abstract: In some examples, a computing device can include a housing including a corner, the corner comprising a first surface and a second surface, and an inner frame including a chamfered corner to interface with the corner of the housing to form a cavity between the first surface, the second surface, and the chamfered corner, a first gasket to interface with the first surface of the housing, and a second gasket to interface with the second surface of the housing, where the cavity includes a structural adhesive and the first gasket and the second gasket fluidically seal the cavity.

Abstract: In one implementation, a method includes emitting light with modulating intensity from a plurality of light sources towards an eye of a user. The method includes receiving light intensity data indicative of an intensity of the plurality of glints reflected by the eye of the user in the form of a plurality of glints. The method includes determining an eye tracking characteristic of the user based on the light intensity data. In one implementation, a method includes generating, using an event camera comprising a plurality of light sensors at a plurality of respective locations, a plurality of event messages, each of the plurality of event messages being generated in response to a particular light sensor detecting a change in intensity of light and indicating a particular location of the particular light sensor. The method includes determining an eye tracking characteristic of a user based on the plurality of event messages.

Abstract: In an embodiment of the present invention, a checkpoint is received, the checkpoint indicating at least one source position of unprocessed object(s) of a plurality of objects on at least one source shard in a database system. In response to detecting a shard change related to the checkpoint to the at least one source shard, the shard change resulting in that the at least one source shard is updated to at least one destination shard, a mapping view is generated for representing position change of the unprocessed object(s) related to the shard change. An updated checkpoint is determined for indicating the at least one destination position of the unprocessed object(s) of the plurality of objects on at least one destination shard in the database system based on the mapping view. With these embodiments, the checkpoint may be managed in a more effective way.

Abstract: Described are techniques for determining statistical properties of time series data. The techniques include a method comprising graphing, from time series data, a time series data graph. The method further comprises iteratively segmenting the time series data graph into respective pluralities of subgraphs using respective segmentation schemes until a first plurality of subgraphs generated by a first segmentation scheme exhibits a similarity between respective subgraphs of the first plurality of subgraphs satisfying a similarity threshold. The first segmentation scheme can be selected from: an equidistant segmentation scheme, a local extrema segmentation scheme, and a windowed segmentation scheme. The method further comprises associating a classification to the time series data based on the first segmentation scheme. The classification can be indicative of one selected from: stationarity of the time series data, periodicity of the time series data, and trending of the time series data.

Abstract: A display substrate and a manufacturing method therefor, and a display device are provided. The display substrate includes: a base substrate; a planarization layer on the base substrate; an isolation structure and connection pads on the base substrate; and first protective parts on a side of the connection pads away from the base substrate, where the isolation structure includes a first groove formed in the planarization layer, and a first isolation sub-layer and a second isolation sub-layer on a side of the planarization layer away from the base substrate, a first space is provided between the first isolation sub-layer and the second isolation sub-layer, and an orthographic projection of the first space on the base substrate is within an orthographic projection of the first groove on the base substrate; and the first protective parts, the first isolation sub-layer and the second isolation sub-layer are disposed in a same layer.

Abstract: A method, and product thereof, for modifying the surface of recycled sulfur-cured rubber via surface devulcanization that minimizes alteration of the network structure of the recycled sulfur-cured rubber, while generating strong tack between mixed recycled rubber and fresh rubber for optimal adhesion upon subsequent co-curing. In one embodiment, the surface of recycled rubber is devulcanized by treating recycled rubber with a thiol and a base dissolved in a solvent that does not effectively penetrate and only minimally swells vulcanized rubbers.

Abstract: The touch panel includes a base, wherein the base includes a first region in a mesh shape and a second region which is a grid region surrounded by the first region; color filter layers are in the second region; a black matrix and touch structures are in the first region; the touch structures are partially in the black matrix; the touch structures include a first electrode, a second electrode, and an insulating layer between the first electrode and the second electrode; and the insulating layer is made of a material same as a material of the color filter layer. The display panel includes a display substrate, wherein the display substrate includes a pixel definition region and a pixel region defined by the pixel definition region, and the display panel further includes the above touch panel.

Abstract: A curable rubber composition including a rubber, a plurality of ground particles, and a reactive surfactant represented by the formula: X—Y—Z where X is a reactive group capable of forming covalent links with the rubber during compounding or vulcanization, Y is a hydrophobic linkage, and Z is a polar group capable of forming self-assemblies via intermolecular interactions, and wherein the reactive surfactant is incompatible with the rubber and a method of making the same.