Abstract: The switch device comprises a lower electrode, an upper electrode, and a switch material layer disposed between the lower electrode and the upper electrode. When the switch device is in an on state, the switch material layer is in a liquid state and has a bandgap of 0; when the switch device is in an off state, the switch material layer is in a crystalline state, and a Schottky barrier is formed between the switch material layer and the upper electrode, as well as between the switch material layer and the lower electrode. The switch device employs the crystalline-liquid-crystalline phase change mechanism of the switch material, and can drive memory units, such as phase change memory units, resistive memory units, ferroelectric memory units, magnetic memory units, and the like, thereby enabling high-density three-dimensional information storage.

Abstract: A memory device is provided, including at least one bit cell, a pair of transistors, and a voltage generation circuit. The voltage generation circuit is coupled to the negative voltage line and is configured to pull down a voltage of at least one of the pair of data lines to a negative voltage level through the negative voltage line. The voltage generation circuit includes a first capacitive unit, a second capacitive unit, and a switch circuit. The first capacitive unit includes a first capacitor. The second capacitive unit includes a second capacitor. The switch circuit is configured to connect the first capacitor, the second capacitor, or the combination thereof to the negative voltage line in response to a first kick signal and a second kick signal that are different from each other.

Abstract: A power tool includes a power tool body. The power tool body is configured to be adapted to at least a first battery pack having a first nominal voltage and a first output terminal set and a second battery pack having a second nominal voltage and a second output terminal set, where the first nominal voltage is different from the second nominal voltage. The power tool body includes a first input terminal set configured to be selectively electrically connected to one of the first output terminal set and the second output terminal set to supply power to the power tool body.

Abstract: An ethylbenzene dehydrogenation catalyst, a preparation method therefor, and the use thereof are provided. The catalyst includes Fe2O3, K2O, CeO2, MoO3 and CaO. The exposed crystal face area of CeO2 (100) accounts for 60% or more of the total exposed crystal face area of CeO2. The catalyst is used in a reaction for preparing styrene by means of dehydrogenating ethylbenzene at a low water ratio, and has high activity and stability.

Abstract: An anti-TSLP nanobody and a use thereof are provided. A coding sequence encoding the anti-TSLP nanobody, corresponding expression vector and host cell capable of expressing the nanobody, and a method for producing the anti-TSLP nanobody are also provided. The anti-TSLP nanobody has a good TSLP/TSLPR blocking activity and is expressed using pichia pastoris. Its fermenter expression yield can reach 17-23 g/L.

Abstract: The present technology provides disulfide-containing lipopeptides of Formula I. Such lipids may be incorporated into lipid nanoparticles for delivery of nucleic acids, nucleotides (e.g., NAD+ or NADH), polypeptides (including proteins), and complexes of proteins and nucleic acids, e.g., Cas9 RNP. The present technology also provides methods for delivering the nanoparticles to a cell and methods of treating a condition or disorder using the lipid nanoparticles.

Abstract: The present application relates to a synchronous rectification sampling control circuit, method and chip. The control circuit includes a withstand voltage switch tube Q2, a power supply switch tube Q3, a positive phase power supply driving module, a detection control module, and a negative phase power supply module. The withstand voltage switch tube Q2 includes a withstand voltage source, a withstand voltage grid and a withstand voltage drain, in which the withstand voltage drain is configured to connect a secondary winding power supply circuit in a synchronous rectification circuit of a transformer to obtain a supply voltage and output a positive or negative sampling voltage at the withstand voltage source.

Abstract: A high electron mobility transistor, a radio frequency transistor, and a preparation method for a high electron mobility transistor, and relates to the field of microelectronics technologies, to resolve a technical problem of poor performance of a high electron mobility transistor with a nitrogen surface. The high electron mobility transistor includes a channel layer, a barrier layer, and a substrate layer. A surface that is of the channel layer and that is in contact with the barrier layer has a two-dimensional electron gas layer. The high electron mobility transistor further includes a source and a drain. The source and the drain are located on the channel layer, and the source and the drain are in ohmic contact with the channel layer. The high electron mobility transistor can implement a low ohmic contact resistance and can be better used in a high frequency and power scenario.

Abstract: Provided are a video processing method and apparatus, and a device and a storage medium. The method includes: firstly, in response to a trigger operation for a video collection entry, jumping to a play page of a preset first video in a corresponding video collection, wherein the video collection is a collection of a plurality of videos comprising the preset first video therein; and playing the preset first video in the play page.

Abstract: The present invention relates to an electronic device, a wireless communication method, and a computer readable medium. According to one embodiment, the electronic device used for wireless communication comprises a processing circuit. The processing circuit is configured to perform control to send data and information related to retransmission of the data to a target user equipment by means of a sidelink. The processing circuit is further configured to control operation for the retransmission of the data.

Abstract: A method for monitoring resilience of a shield tunnel based on multi-source heterogeneous data is provided, including following steps: collecting the multi-source heterogeneous data and processing computer data, where the collecting the multi-source heterogeneous data includes: collecting a tunnel displacement u, a tunnel cross section convergence ?D and a tunnel damage area S; and the processing computer data includes: S1, performing data preprocessing; S2, performing data processing, where the multi-source heterogeneous data preprocessed in step S1 is processed to calculate a tunnel performance indicator P and a tunnel resilience indicator Re; S3, determining tunnel status; S4, performing manual argumentation; S5, giving a remediation measure according to the status of the resilience of the tunnel in step S4; S6, storing and archiving processed data; and S7, performing terminal outputting, where the data obtained in step S6 is displayed and output through a plurality of terminals.

Abstract: Disclosed herein are nanoparticle compositions including a polymer component and a lipid component. The disclosure also relates to lipid nanoparticles (LNPs) having the nanoparticle composition for nucleic acid delivery, and methods of making and using the same. The LNPs can be used for fast, efficient and safe delivery of nucleic acid (e.g., DNA/RNA).

Abstract: An integrated circuit, a manufacturing method thereof, a power amplifier, and an electronic device are provided. The integrated circuit includes: a substrate (1), a first nucleation layer (2) located on the substrate (1), a buffer layer (3) located on the first nucleation layer (2), a channel layer (4) located on the buffer layer (3), a barrier layer (5) located on the channel layer (4), and a source (6), a drain (7), and a gate (8) that are separately located on the barrier layer (5). A dislocation density of the buffer layer (3) is less than 1e8 cm?2, so that crystalline quality can be improved, and a higher-quality epitaxial growth material can be obtained, to improve device performance and long-term reliability of the integrated circuit.

Abstract: The present disclosure relates to an electronic device, a wireless communication method and a computer-readable medium. According to one embodiment, an electronic device for wireless communication comprises a processing circuit, wherein the processing circuit is configured to conduct control so as to send a reference signal for a direct link to the other user equipment or to receive same from the other user equipment; the processing circuit is also configured to conduct control so as to carry out beamforming-based direct link communication with the other user equipment; and at least one of a sending beam and a receiving beam for direct link communication is determined based on the measurement of the reference signal.

Abstract: The present invention relates to an electronic device, a wireless communication method, and a computer readable medium. According to one embodiment, the electronic device used for wireless communication comprises a processing circuit. The processing circuit is configured to perform control to send data and information related to retransmission of the data to a target user equipment by means of a sidelink. The processing circuit is further configured to control operation for the retransmission of the data.

Abstract: Embodiments of the present application provide a video stream playing control method and apparatus, a device, and a storage medium. The method comprises: in a situation that a human-computer interaction entrance invoking triggering condition is satisfied, stopping playing a first video stream, and invoking a human-computer interaction entrance for the first video stream while displaying a playing picture of the first video stream; after target feedback information is obtained by means of the human-computer interaction entrance or an instruction for closing the human-computer interaction entrance is received, closing the human-computer interaction entrance, and playing a second video stream different from the first video stream, the target feedback information comprising feedback information for the first video stream.

Abstract: Disclosed is an anti-IL-4R single-domain antibody and the use thereof. In particular, disclosed are a IL-4R single-domain antibody and a VHH chain thereof, a coding sequence encoding the above-mentioned single-domain antibody or the VHH chain thereof, a corresponding expression vector, host cells capable of expressing the single-domain antibody, and a method for producing the single-domain antibody. The single-domain antibody can specifically recognize human and marmoset IL-4R, but does not recognize mouse IL-4R, and the specificity is good; the single-domain antibody can effectively inhibit the proliferation of TF-1 cells and the activation of a pSTAT6 signaling pathway in cells.

Abstract: Methods of treating a subject with diabetes or Alzheimer's disease with a disclosed insulin isoform or C? polypeptide are provided. Methods of detecting insulin isoforms or C? polypeptides are also provided.

Abstract: A method system for analyzing interaction security a TCP/IP layered network model includes: acquiring a cross-layer interaction vulnerability set in the TCP/IP layered network model, and converting target protocol stack source codes into intermediate representations (IRs); dividing a network protocol stack into different layers by scanning the converted IRs, and obtaining source key variables by marking variables for indicating cross-layer interaction in the network protocol stack; obtaining propagation variables by marking variables based on a relationship with the source key variables, and obtaining a propagation path based on a marking sequence of the propagation variables; and obtaining a vulnerability detection result, by performing vulnerability detection based on the propagation path and the cross-layer interaction vulnerability set

Abstract: A CCM-based fly-back switching power supply circuit includes: a constant current control circuit, a sampling circuit and a peak current control circuit, wherein a sampling circuit is configured to sample the ON-time of the secondary coil to obtain its duty cycle signal D_SEC, and send the signal to a constant current control circuit; a constant current control circuit is configured to receive the duty cycle signal D_SEC, generate a voltage signal CAC from the duty cycle signal D_SEC and the preset reference voltage signal VREF, convert the voltage signal CAC and the peak current control signal VCST from the peak current control circuit into time signals, and conform a comparison on the time signals to output an adjustment signal CCOUT which is used to initiatively adjust the value of the peak current control signal VCST to cause the fly-back switching power supply circuit output a constant current.