Abstract: A fluorocarbon/palladium/magnesium-scandium hydrogen-chromic film and a preparation method thereof are provided. The film includes a magnesium-scandium composite film layer, a palladium catalytic layer, and a fluorocarbon film layer that are sequentially arranged on a substrate. The preparation method includes: growing the magnesium-scandium composite film layer on the substrate first, then growing the palladium catalytic layer in situ on the magnesium-scandium layer, and finally depositing the fluorocarbon film layer on Pd. According to the present invention, the catalytic effect of palladium is utilized to promote reversible conversion between hydrogen and hydrogen atoms during hydrogen absorption and dehydrogenation stages, and a composite scandium element is added to accelerate diffusion of the hydrogen atoms in a magnesium matrix and accelerate formation and decomposition of a hydride, such that the film can be repeatedly and rapidly switched between a reflective state and a transparent state.

Abstract: Disclosed herein is an isolated population of cardiomyocytes differentiated from human induced pluripotent stem cells (hiPSCs), wherein the isolated population of cardiomyocytes comprises genomic deletions in HCN1 and HCN4 genes. According to some embodiments of the present disclosure, the isolated population of cardiomyocytes further comprises genomic deletions in HCN2 and HCN3 genes. Also disclosed herein are methods of producing the isolated population of cardiomyocytes, and methods of treating subjects suffering from cardiac diseases by administering the isolated population of cardiomyocytes to the subjects.

Abstract: A mobile edge computing (MEC) task unloading method with a cache mechanism includes: S1: establishing a task unloading total delay model with a cache mechanism and a mobile device-side total energy consumption model based on a user task request; S2: based on the task unloading total delay model and the mobile device-side total energy consumption model, with a goal of minimizing a task unloading total delay and a mobile device-side total energy consumption, establishing a joint optimization model configured for task unloading and caching and having a constraint; S3: transforming the joint optimization model into a fitness function for a particle, where the user task request is the particle; and S4: determining an optimal solution of the particle by using a particle swarm algorithm based on the fitness function, where the optimal solution of the particle is an optimal task unloading decision of the user task request.

Abstract: The embodiment of the present disclosure provides a data transmission method, a central control terminal, a mobile terminal and a data transmission system and relates to the field of data transmission for realizing data transmission in a multi-person conference in a network-free environment and improving the convenience of data transmission. The data transmission method is applied to a central control terminal and includes: reading an identification information of a mobile terminal in response to a near field communication signal from the mobile terminal; and determining whether the identification information belongs to a target identification set; performing Bluetooth connection and data transmission with the mobile terminal when the identification information belongs to the target identification set.

Abstract: The present application provides an unmanned aerial vehicle (UAV) for a long duration flight. An exemplary UAV may include a UAV body assembly. The UAV may also include a flight control system (FCS) coupled to the UAV body assembly. The UAV may further include a motor coupled to the UAV body assembly at one end and coupled to a propeller at the other end. The FCS is communicatively connected to the motor. A center of gravity (CG) of the UAV is at a point between 21% and 25% of a mean aerodynamic chord (MAC) of the UAV.

Abstract: Disclosed herein is a composition comprising a lipid nanoparticle and a double-stranded oligodeoxynucleotide (dsODN) encapsulated in the lipid nanoparticle. According to the embodiments of the present disclosure, the dsODN comprises two strands complementary to each other, in which the first strand comprises the nucleotide sequence of SEQ ID NO: 1. Also disclosed herein are methods of treating cancers by using the present composition.

Abstract: Disclosed are a borate MWDC with a low dielectric constant and a preparation method thereof by cold sintering. The method for preparing a borate MWDC with a low dielectric constant by cold sintering, including: subjecting a boron source and a metal source to first mixing to obtain a first mixture; subjecting the first mixture to presintering to obtain a presintered material; subjecting the presintered material and a boron oxide solution to second mixing to obtain a second mixture; and subjecting the second mixture to cold sintering to obtain the borate MWDC with the low dielectric constant.

Abstract: A voice control method and apparatus, a readable storage medium, and an electronic device, relating to the technical field of voice control. The method comprises: acquiring user voice information, and creating a voice control relationship between a user and a target voice control window on the basis of the user voice information, wherein the target voice control window is one of a plurality of voice control windows displayed in a display terminal; and converting the user voice information into a control instruction, and executing control content corresponding to the control instruction in the target voice control window.

Abstract: The present disclosure provides an audio adjusting method, device and apparatus, and a storage medium.

Abstract: The present disclosure provides a light-emitting method and a light-emitting device facing a limited condition. The limited condition may include that a light emitted by a light source transmits through a non-display surface of a light-transmitting plate that satisfies a light-transmitting condition so that a display surface of the light-transmitting plate displays a display light that satisfies a display condition. The light-transmitting condition may include a chromaticity coordinate range corresponding to the light-transmitting plate. The display condition may include a chromaticity coordinate range of the display light. The light-emitting method may include the light source satisfying that a chromaticity coordinate range corresponding to the light source is a chromaticity coordinate range of the light source for displaying the display light, and a light color adjustment range corresponding to the light source is a spectrum adjustment range of the light source for displaying the display light.

Abstract: The present invention provides a supporting hook structure, comprising a sleeve, a fixing rod, a first limit unit, a hook and a fixing device. The fixing rod is connected to the side surface of the sleeve. The hook body is connected to one end of the sleeve. The first limit unit is arranged on the side surface of the sleeve and adjacent to the hook body. The first limit unit makes the hook body rotates with the axis direction of the sleeve as a rotation axis. The fixing device is connected to the other end of the sleeve to fix the rotating position of the hook body. Through the above, the hook part enters the proximal thigh from a surgical entrance and the hook part rotates to make the hook part abut against the proximal femur to complete the positioning and fixation of the femur hook structure to the femur.

Abstract: A generating apparatus for generating electrical power from a water flow to electrical energy includes a support structure; an electrical power generation arrangement; and a drain tank. The support structure includes a pipe extending into seawater, a tidal stream generation device in the pipe, and a water tank in fluid communication with the pipe. The tidal stream generation device includes a turbine for directing seawater from the pipe therein, a shaft co-rotated with the turbine, a reduction gearbox connected to the shaft, an output shaft extending out of the reduction gearbox, an alternator driven by the output shaft to convert mechanical energy to electrical energy, and an electrical grid electrically connected to the alternator. The electrical power generation arrangement includes at least one electrical energy generation device in communication with the water tank. Each electrical energy generation device includes interconnected bends and tidal stream generators in the bends.

Abstract: A femoral lift apparatus includes a lift device and a hook device. The hook device is coupled to the lift device. The femoral lift apparatus is labor-saving and can avoid the problem that the conventional femoral lift apparatus may block the surgical view, hinder the operation position for a hip joint replacement surgery. With the assistance of this current femoral lift apparatus, the hip joint replacement surgery can be performed more smoothly.

Abstract: A generating apparatus for generating electrical power from a water flow to electrical energy includes a pump; pipes; tidal stream generation devices; and drains. The pump is connected to and in fluid communication with the pipes. The pump may pump seawater to the pipes and sweater may further flow to the tidal stream generation devices so that the tidal stream generation devices may generate electrical power from a seawater flow to electrical energy. The tidal stream generation device includes a turbine driven by seawater, a shaft co-rotated with the turbine, a reduction gearbox operatively connected to the shaft, an output shaft extending out of the reduction gearbox, and an alternator driven by the output shaft to convert mechanical energy to electrical energy in the form of AC, and an electrical grid electrically connected to the alternator. The drain is connected to the pipe for flowing seawater to the sea.

Abstract: The present invention provides a smart interactive board, a display method therefor, and a readable storage medium.

Abstract: A scam detection system includes a user computer that runs a security application and a backend system that runs a scam detector. An email is received at the user computer. The security application extracts and forwards a content of the email, which includes a body of the email, to the backend system. The email body of the email is anonymized by removing personally identifiable information from the email body. A hash of the anonymized email body is generated and compared against hashes of a whitelist and a blacklist. The anonymized email body is classified. A segment of text of the anonymized email body is identified and provided to the user computer when the anonymized email body is classified as scam.

Abstract: A semiconductor structure and a method for manufacturing the semiconductor structure are provided. The semiconductor structure comprises a first semiconductor device, a second semiconductor device, and a first semiconductor component. The first semiconductor device and the second semiconductor device defining a channel region. The first semiconductor component is disposed in the channel region and configured to control states of a plurality of components in the channel region. The first semiconductor device and the first semiconductor component are located adjacent to a boundary, and the first semiconductor component is electrically isolated from the first semiconductor device.

Abstract: An intrinsic process signal-based online expulsion detection method for resistance spot welding process, which comprises: acquiring the intrinsic process signal and current signal output by sensors installed at two electrodes in real-time during the welding process and establishing a relationship graph; performing expulsion judgement based on the relationship graph to obtain expulsion frequency, single intrinsic process signal feature and an accumulated feature; calculating expulsion metal volume according to the accumulated feature and electrode profile features to obtain a prediction expulsion metal amount. The method performs online prediction of the expulsion metal amount according to the intrinsic process signal for resistance spot welding process, thereby achieving online quantitative estimation of the expulsion intensity, overcoming the defect of the traditional technology which relies on manual detection, and improving detection efficiency and accuracy.

Abstract: An automatic measurement system for Sludge settling Velocity comprises a sampling and shooting module, a data service module, data processing module, and a measurement and analysis module. The sampling and shooting module is configured to collect samples and to obtain a test images of samples. The data processing module is configured to collect and store process data. The measurement and analysis module is configured to obtain the sedimentation ratios of samples according to test images. The sludge activity is analyzed according to the sedimentation ratios. When the sludge activity is abnormal, the process data are obtained from data processing module, and the process analysis data are obtained according to the data and the sludge activity analysis results. The automatic measurement system can avoid errors caused by manual measurement and improve accuracy and efficiency of detection and can avoid the problems of untimely detection.

Abstract: A method and apparatus for generating an unordered list, a method for managing images and a terminal device are disclosed. The method for generating the unordered list includes: randomly acquiring a first element from an ordered list and inserting the first element into the unordered list; cycling the execution of the following steps in a case where a number of current elements in the unordered list is smaller than a sum of elements in the ordered list: determining whether a position at which the first element is located is an edge position in the ordered list and randomly acquiring a second element from the ordered list based on a determining result, and randomly acquiring a target position from the unordered list and inserting the second element into the target position in the unordered list; and ending the cyclic execution in a case where the number of the elements in the unordered list is equal to the sum of the elements in the ordered list.