Abstract: Disclosed is a cationic lipid having the following general formula (I), wherein A, B, C, and D are each as defined in the description. Also disclosed are a liposome and a lipid nanoparticle containing the cationic lipid, and use of the cationic lipid in the preparation of the liposome and the lipid nanoparticle.

Abstract: Embodiments are provided for suggesting topics in a messaging system. A set of queries is received from a chat transcript history, where the set of queries includes a set of unhandled queries, and each unhandled query comprises a query for which a bot did not identify a corresponding topic (e.g., queries that did not trigger selection of a topic by the bot). A vector representation is generated for each unhandled query in the set of unhandled queries. The vector representations for the set of unhandled queries are clustered to generate one or more clusters of vector representations, each cluster corresponding to a group of unhandled queries. A corresponding suggested topic is generated for each cluster and provided to an authoring tool that comprises one or more interactive elements to enable an author to select at least one of the suggested topics for implementation in the bot.

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

Abstract: A display panel and a display device are provided. The display panel includes pixel-driving circuits, a base substrate; a second conductive layer including first initial signal lines to provide first initial signals; and a third conductive layer including second initial signal lines to provide second initial signals, the second conductive layer is located in a second gate layer, and the third conductive layer is located in a source-drain layer, the first initial signal line extends along a first direction; the second initial signal line extends along a second direction intersecting with the first direction; the first initial signal line is configured to provide the first initial signal to the pixel-driving circuits distributed along the first direction; and the second initial signal line is configured to provide the second initial signal to the pixel-driving circuits distributed along the second direction.

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

Abstract: A calculation method for fractal dimensions of shale pores includes steps as follows. S1: multiple shale samples from a target stratum of a study area are obtained, parameter values of geological parameters of each of the multiple shale samples are obtained, followed by dividing the multiple shale samples into target shale samples and experimental shale samples. S2: PCA is performed on the parameter values to obtain principal components representing a variation of the geological parameters. fractal dimensions are calculated based on an existing fractal dimension calculation method. S3: the principal components are used as independent variables and the fractal dimensions are used as dependent variables, followed by performing regression analysis to obtain a quantitative calculation model. S4: the fractal dimensions of the target shale sample are calculated according to the parameter values and the quantitative calculation model for the fractal dimension based on the parameter values.

Abstract: The present invention belongs to the technical field of green catalysis and biosynthesis, and particularly relates to a carbon-based microreactor, and a preparation method and application thereof. According to the present invention, a carbon-based microchannel monolithic column is prepared by utilizing a graded pore structure of regular channels of natural wood in combination with an inorganic salt supporting framework, temperature programmed accurate carbonization and other methods, and then, the multiple advantages of the carbon monolithic column, the microreactor, and immobilized enzyme/chemical catalyst are fully played from the view of key technologies such as carbon-based microreactor construction, operation control, etc.

Abstract: Embodiments of the present application relate to a method and an apparatus for reducing operations of monitoring PDCCH. According to an embodiment of the present application, a method can include: receiving configuration information indicating a plurality of search space sets and an activation or deactivation state for each search space set of the plurality of search space sets; and receiving an activation-deactivation indication in first downlink control information (DCI) in a first search space set in an activation state of the plurality of search space sets, wherein the activation-deactivation indication is configured to: trigger switching at least one second search space set of the plurality of search space sets from a deactivation state to an activation state; or trigger switching the at least one second search space set of the plurality of search space sets from an activation state to a deactivation state.

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

Abstract: Methods and apparatuses for SRS enhancement are disclosed. In one embodiment, a UE comprises a transceiver; and a processor coupled to the transceiver, wherein the processor is configured to receive, via the transceiver, a configuration of a group of SRS resource(s) associated with a same UL TCI state with a total of eight SRS ports for sounding eight antenna ports used for codebook or non-codebook based PUSCH transmission; and receive, via the transceiver, a DCI or a CG configuration for scheduling PUSCH transmission, wherein the DCI or the CG configuration contains an SRS resource indicator (SRI) field or an SRS resource set indicator (SRSI) field that indicates the group of SRS resource(s) for the scheduled PUSCH transmission.

Abstract: A display substrate and a display device are disclosed. The display substrate includes a first via hole, a second via hole, a third via hole and a fourth via hole, the first anode is connected with a first pixel driving circuit through the first via hole, the second anode is connected with a second pixel driving circuit through the second via hole, the third anode is connected with a third pixel driving circuit through the third via hole, and the fourth anode is connected with a fourth pixel driving circuit through the fourth via hole, a plurality of third via holes corresponding to one light emitting element row are approximately located on a first straight line, and the fourth via hole closest to the first straight line is located at a side of the first straight line.

Abstract: Embodiments of the present application are related to a method and apparatus of power headroom report (PHR) reporting. An exemplary method of the present application includes: receiving a signaling activating one or more codepoints respectively indicating at least one common transmission configuration indication (TCI) state for an activated bandwidth part (BWP) of a serving cell, wherein, at least one codepoint of the one or more codepoints indicates two joint or uplink common TCI states; and transmitting at least one PHR in a slot for the activated BWP of the serving cell, wherein the at least one PHR includes at least one virtual PHR, each virtual PHR being determined based on a power control parameter set.

Abstract: Provided is a method of optical modulation including using a control optical signal to modulate a controlled optical signal. The controlled optical signal propagates in an optical medium of an optical transmission structure. The control optical signal modulates the controlled optical signal by being at least partially absorbed in the optical transmission structure and thereby changing an optical property of the optical medium. Also provided is an optical modulation element including an optical transmission structure and a controller, the optical modulation element configured to carry out the method and use a control optical signal to modulate a controlled optical signal.

Abstract: An optical lens assembly for a near-eye display device includes a light box and a diffractive optical element (DOE). The light box has a first layer facing a display screen of the near-eye display device and a second layer facing the DOE. The light box is configured to receive a first light from a display screen of the near-eye display device and transmit at least a portion of the first light to the DOE through a folded optical path, where the first layer and the second layer are flat. The DOE aligned with an optical axis of an eye and is configured to receive a second light from the light box and converge the second light to the eye.

Abstract: A display panel and a display device. The touch signal line is in the non-display region, surrounds the display region, is on a side of the light shielding layer close to the display region, and provides touch signals to the display region; the light shielding line is in the non-display region, surrounds the display region, and is at a side of the touch signal line away from the display region; the light shielding line is along the direction from the display region to the non-display region, the orthographic projections of the first part of the light shielding line and the light shielding layer overlaps each other, and the orthographic projection of the second part of the light shielding line is between the edge of the orthographic projection of the light shielding layer close to the display area and the edge of the touch signal line away from the display area.

Abstract: Provided is a micro- and nano-fluidic chip, including at least one nanochannel array layer and at least one microchannel array layer that are alternately stacked. The at least one nanochannel array layer includes nanochannels, the at least one microchannel array layer includes input units and/or output units. The input unit includes inlet microchannel arrays and inlets, and the output unit includes outlet microchannel arrays and outlets. The inlet microchannel array includes inlet microchannels, the outlet microchannel array includes outlet microchannels, and the inlet microchannels and the outlet microchannels are connected through the nanochannels.

Abstract: Provided is a micro- and nano-fluidic chip, including at least one nanochannel array layer and at least one microchannel array layer that are alternately stacked. The at least one nanochannel array layer includes nanochannels, the at least one microchannel array layer includes input units and/or output units. The input unit includes inlet microchannel arrays and inlets, and the output unit includes outlet microchannel arrays and outlets. The inlet microchannel array includes inlet microchannels, the outlet microchannel array includes outlet microchannels, and the inlet microchannels and the outlet microchannels are connected through the nanochannels.

Abstract: Methods and apparatuses for dynamic switching between single-TRP and multi-TRP based PUSCH schemes are disclosed. In one embodiment, a UE comprises a transceiver; and a processor coupled to the transceiver, wherein the processor is configured to receive, via the transceiver, a higher layer parameter to indicate the multi-panel/TRP PUSCH scheme, a configuration of one or two SRS resource sets for CB or nCB in a BWP of a cell, and a DCI scheduling a PUSCH transmission, wherein, the one or two SRS resource sets are associated with a first UL TCI state and a second UL TCI state; and determine UL TCI state(s) applied to the scheduled PUSCH transmission according to the higher layer parameter and fields contained in the DCI, depending on the configuration of one or two SRS resource sets for CB or nCB.

Abstract: Methods and apparatus of CSI reporting for coherent joint transmission are disclosed. The apparatus includes: a receiver that receives a configuration signalling for Channel State Information (CSI) reporting for a first transmitting-receiving entity and a second transmitting-receiving entity, wherein the CSI reporting comprises a joint CSI reporting or a plurality of linked CSI reportings; a processor that determines contents of the CSI reporting based on the configuration signalling, wherein the joint CSI reporting or each one of the linked CSI reportings comprises a first part and a second part; and a transmitter that transmits the CSI reporting.

Abstract: Methods may include detaching a battery pack adhered to a substrate by a multilayer composition, including: heating the multilayer composition to a detachment temperature above 60° C. the multilayer composition comprising one or more thermoplastic primer layers having a transition temperature in the range of 60° C. to 120° C., and one or more thermoset adhesive layers; and separating one or more layers of the multilayer composition to detach the battery pack from the substrate, wherein the substrate has a surface energy of 35 dynes/cm or greater.