Abstract: The present invention discloses a rose petal effect-based biomimetic electrode and a membrane-less water electrolysis reactor utilizing the same, belongs to the technical field of catalytic technology for water electrolysis. The electrode has a surface exhibiting a microscopically alternating hydrophilic-hydrophobic periodic structure. The hydrophilic parts ensure good contact between the catalyst and the electrolyte solution, thereby guaranteeing the electrode's catalytic performance. The hydrophobic parts allow the gas generated at the electrode surface to be discharged through internal porous channels, preventing the formation of visible bubbles on the electrode surface and thereby fundamentally avoiding issues caused by bubble formation. The membrane-less water electrolysis reactor utilizing the electrode can eliminate bubble formation on the electrode surface, thereby avoiding problems related to bubble covering catalytic sites, bubble resistance, and gas mixing.

Abstract: A method for producing sclareol by fermentation of cigar tobacco flower buds is provided, including: mixing cigar tobacco flower buds with deionized water, sterilizing and adding edible yeast, then fermenting at 25-30° C. and 100-300 rpm/min for 24-30 h. This method uses cigar tobacco flower buds as the sole raw material, without adding additional nutrients, and only ferments tobacco flower buds with edible yeast to synthesize sclareol. Meanwhile, this method has extremely high synthesis efficiency.

Abstract: A semiconductor memory, comprising a negative voltage providing unit, which is used for providing a first negative voltage to a word line during a read operation, and comprises: a clamping unit that comprises an input end, a control end and an output end, wherein the input end is coupled to a common ground end of the memory, and the control end is used for receiving a first signal; an energy storage capacitor, a first end of which is coupled to the output end, and a second end that is used for receiving a second signal; and a negative voltage providing end which is coupled to the first end, wherein the clamping unit is used for: pulling the voltage at the output end to the voltage at the input end when the first signal is “0”; and clamping the output end at a clamping voltage when the first signal is “1”.

Abstract: A mask positioning assembly is provided. The mask positioning assembly includes a cradle frame, an adapter frame, and a positioning mask. The cradle frame is connected to both the adapter frame and the positioning mask. The adapter frame can be configured to be connected to any of positioning assembly support frames in different types of positioning systems. A positioning system is also provided.

Abstract: A semiconductor device includes a drain electrode, a first source electrode, a second source electrode, a first gate electrode, and a second gate electrode. The first gate electrode is arranged between the first source electrode and the drain electrode. The first gate electrode extends along a first direction. The second gate electrode is arranged between the second source electrode and the drain electrode. The second gate electrode extends along the first direction. The first gate electrode is arranged above a first imaginary line substantially perpendicular to the first direction in a top view of the semiconductor device and the second gate electrode is arranged below a second imaginary line substantially perpendicular to the first direction in the top view of the semiconductor device.

Abstract: The present invention provides a fiber deployment method, storage medium, electronic device and system. The fiber deployment method includes the following steps: S10, traversing all single-mode fiber links and selecting a link for ultra-low loss fiber upgrade with the objective of minimizing the maximum number of frequency slots used in the whole network; and S20, when both an ultra-low loss fiber and a single-mode fiber satisfy the service demand, using preferentially spectrum resources in the single-mode fiber. The fiber deployment method of the present invention is simple and feasible. It allows a more efficient fiber upgrade strategy and more reasonable spectrum resource allocation and can make full use of the existing single-mode fibers in the elastic optical network, thereby allowing more efficient resource utilization.

Abstract: This disclosure provides an in-vehicle mid-air gesture-based interaction method, an electronic apparatus, and a system, and relates to the field of intelligent vehicle technologies. The method includes: obtaining a first mid-air gesture detected by a camera; and starting, when a preset response operation corresponding to the first mid-air gesture matches a first user who initiates the first mid-air gesture, the preset response operation corresponding to the first mid-air gesture in response to the first mid-air gesture. The method can be used in an in-vehicle mid-air gesture-based interaction scenario, reduce a mid-air gesture operation rate, and improve driving safety and interaction experience.

Abstract: A device location sensing method obtains locations of N devices in a wireless network based on channel state information (CSI). Each device in the wireless network has M antennas arranged in a non-linear manner. To determine the device locations, CSI data mutually detected between every two devices in N devices is obtained and used to calculate an angle difference of arrival (ADoA) set which includes, for every two devices in the N devices relative to each of the other devices in the N devices, an ADoA that is a difference between angles of arrival (AoAs) of the two devices relative to the other device. Relative locations of the N devices are then calculated based on the ADoA set.

Abstract: The disclosure provides a quasi-dynamic in situ ellipsometry method and system for measuring a photoresist exposure process.

Abstract: Provided are an information determination method and device, an information adjustment method, a threshold usage method, a terminal, and a storage medium. The information determination method includes: determining a second threshold of a target subcarrier spacing according to the number of cells that meet a first set condition, the total number of downlink cells, the number of supported cells reported by a terminal, and a first threshold.

Abstract: Disclosed are systems and techniques for performing wireless communication. In some aspects, a method performed at a user equipment (UE) may include obtaining configuration information for communicating with one or more aircrafts. In some examples, the method can include generating a message based at least in part on the configuration information. In some cases, the method can include outputting the message for transmission to at least one aircraft of the one or more aircrafts.

Abstract: A probe head includes multiple probes and guide plates. Each probe includes a first end, a second end, and a probe body. The first end abuts a contact pad of a device under test. The second end abuts a contact pad of a board of a probe system. The probe body extends between the first end and the second end according to a longitudinal development axis. The guide plate includes a guide-hole pair for a probe pair of the probe head to respectively pass through, and the guide-hole pair slidably accommodate the pair of probes. The guide plate further includes an extension hole extending from one guide hole of the guide-hole pair to another guide hole. The extension hole intersects with at least one of the first guide holes and is located substantially between the probe pair on the first guide plate.

Abstract: The present disclosure provides a growth method and structure of LED epitaxy. The growth method of LED epitaxy comprises: providing a layer of substrate, wherein the substrate is an Al2O3 substrate or an Al2O3/SiO2 composite substrate; successively depositing and growing a SiC buffer layer and a u-GaN layer on the substrate; wherein the temperature used for depositing the SiC buffer layer is 650˜1550 degrees; the gas used for depositing the SiC buffer layer is a silicon source gas and a carbon source gas, a flow rate of the silicon source gas is 1˜1000 sccm, and a flow rate of the carbon source gas is 1˜1000 sccm; a gas carrier gas used for depositing the SiC buffer layer has a flow rate of 10˜500 slm; the SiC buffer layer is deposited at a pressure of 100˜700 torr; the SiC buffer layer is deposited for a thickness of 10˜1000 A.

Abstract: Provided are an information transmission method and device, and a storage medium. An information transmission method applied to a first communication node includes that: configuration information of a second communication node is received; and channel state information is reported to the second communication node according to the configuration information. The channel state information includes a precoding matrix indicator, a precoding matrix corresponding to the precoding matrix indicator includes a combination of a first coefficient and a first group of vectors or a combination of a first coefficient, a first group of vectors and a second group of vectors.

Abstract: Systems and methods for predicting a delivery time are provided. An example method includes: receiving one or more configurations for a merchant account associated with a merchant; providing to a machine-learning model parcel data corresponding to one or more products purchased from the merchant and the one or more configurations. The machine-learning model is trained based on historical parcel data, configurations, and delivery times to predict an estimated delivery time of one or more products. The method further includes receiving from the machine-learning model an estimated delivery time of the one or more products purchased from the merchant; obtaining updated parcel data corresponding to the one or more products; providing to the machine-learning model the updated parcel data to receive an updated estimated delivery time; and returning the updated estimated delivery time.

Abstract: Embodiments of a methodology for generalized evolutionary training of a neural network may comprise: (i) obtaining a set of model snapshots by training a set of input models until at least one snapshot condition is satisfied for each input model from the set of input models, wherein each model snapshot comprises values of model components of its respective input model when the at least one snapshot condition was satisfied; (ii) generating model snapshot evaluation results by evaluating performance of each model snapshot; (iii) based upon the model snapshot evaluation results, selecting one or more parent models from the set of model snapshots; (iv) generating one or more child models by perturbing at least one or more model components of a parent model from the one or more parent models; and (v) setting the one or more child models as the set of input models for a subsequent training iteration.

Abstract: Disclosed herein are drug delivery systems and methods for locally delivering therapeutic agents, and methods for using such drug delivery systems for the treatment of diseases.

Abstract: The present invention discloses a novel class of monoacylglycerol lipase (MAGL) small molecule inhibitors, as well as pharmaceutical compositions, preparation methods, and uses thereof. The MAGL small molecule inhibitors are represented by formula (I), with specific substituents and definitions as described in the specification. The disclosed MAGL small molecule inhibitors exhibit excellent MAGL enzyme inhibitory activity. The invention includes these compounds or their pharmaceutical compositions for the treatment and/or prevention of MAGL-related conditions such as multiple sclerosis, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, traumatic brain injury, neurotoxicity, stroke, epilepsy, anxiety, migraine, depression, hepatocellular carcinoma, colorectal cancer lesions, ovarian cancer, neuropathic pain, chemotherapy-induced neuropathy, acute pain, chronic pain, and/or pain-associated spasticity.

Abstract: A display panel and a preparation method therefor, and a display device. The display panel comprises an active area and a peripheral area, which is arranged at the periphery of the active area and comprises a bending zone (410), wherein an edge of the peripheral area is provided with a protrusion (500), and the protrusion (500) has an alignment mark (400) for the bending zone (410).

Abstract: Disclosed are a hollow hydrogel suture for bidirectional liquid delivery and sensing communication, and preparation methods thereof, which belong to the technical field of biomedicine. The hollow hydrogel suture includes a hydrogel suture body and a compound with a sensing communication function doped in the hydrogel suture body, wherein the compound with the sensing communication function is at least one of polypyrrole and copper-doped zinc sulfide, and the hydrogel suture body is made of polyvinyl alcohol.