Abstract: A system and method for nighttime lighting control and danger monitoring and alarming are provided. The system includes a data acquisition system, an information processing system, and a terminal control system. The data acquisition system is configured to acquire video information in a room and a voice content of a person in the room, and transmit the video information and the voice content to the information processing system; the information processing system is configured to obtain voice command information based on the voice content and age information and safety state information of the person based on the video information, and transmit the voice command information, the age information and the safety state information to the terminal control system; and the terminal control system is configured to control a terminal lighting fixture, and perform capturing of an image of the person and perform voice alarming according to the safety state information.

Abstract: Systems and methods for electrochemical hydrogen looping cells are described. Generating a pH swing can expedite carbon dioxide capture from oceanwater. Many embodiments implement electrochemical hydrogen looping cells that simultaneously produce acid via anodic hydrogen oxidation and base via cathodic hydrogen evolution to generate a pH change.

Abstract: Methods of forming a structural color metal-dielectric-metal (MDM) component via a solution-based process are provided. First, a first metal layer is formed over a treated surface of a substrate by a first electroless deposition process. A surface of the treated substrate is contacted with a first plating bath that comprises a metal selected from the group consisting of: copper, aluminum, silver, alloys, and combinations thereof. A dielectric layer, for example, comprising silicon dioxide, is then deposited over the first metal layer by a sol-gel process. Next, the method comprises forming a second metal layer over the dielectric layer by a second electroless deposition process by contacting the dielectric layer with a second plating bath having a neutral pH and comprising a metal selected from the group consisting of: copper, aluminum, silver, alloys, and combinations thereof.

Abstract: There is provided a textile including a strain sensing portion integrally knitted therein and including groups of courses of yarn, each group including a first course of conductive yarn, a second course of dielectric yarn, and a third course of conductive yarn, each course including a plurality of knitted loops. The second course is arranged in between the first and third courses and configured to have a higher elasticity than the first and third courses such that when the strain sensing portion is at a relaxed state, corresponding knitted loops of the first and third courses are caused by a corresponding knitted loop of the second course to contact each other, and when the strain sensing portion is at a stretched state, corresponding knitted loops of the first and third courses are caused by a corresponding knitted loop of the second course to be not in contact with each other.

Abstract: A stability control method for a virtual synchronous generator (VSG) in a strong grid based on an inductance-current differential feedback is provided. A grid-connected topological structure of a VSG using the control method includes a direct-current (DC)-side voltage source, a three-phase inverter, a three-phase grid impedance and a three-phase grid. By controlling the VSG and controlling the inductance-current differential feedback, the method suppresses the oscillation of the output power from the VSG in the strong grid and implements the stable operation of an inner-loop-free VSG in the strong grid, without adding the physical inductance, increasing the cost of the filter and additionally providing a grid-side current sensor.

Abstract: A dynamic facial expression recognition (FER) method based on a Dempster-Shafer (DS) theory improves a feature extraction effect of an expression video through multi-feature fusion, and deeply learns an imbalanced dynamic expression feature by using the DS theory, multi-branch convolution, and an attention mechanism. Compared with other methods, the dynamic FER method scientifically and effectively reduces an impact of sample imbalance on expression recognition, fully utilizes a spatio-temporal feature to mine potential semantic information of the video expression to perform expression classification, thereby improving reliability and accuracy and meeting a demand for the expression recognition.

Abstract: A structurally stable composite structural chromogenic material and a preparation method thereof are provided. The structurally stable composite structural chromogenic material is formed by stacking a transparent thermoplastic polymer and a structural chromogenic material layer by layer and then thermally bonding the peripheral edges of the polymer into a whole, and the upper surface layer and the lower surface layer of the material are both thermoplastic polymers. The molded composite structure has relatively obvious structural color and good mechanical strength.

Abstract: A design method for an inerter with adaptively adjusted inertia ratio is based on a lead screw-flywheel inerter, which is to change the positions of mass blocks on a flywheel along the radial direction of the flywheel, so as to change of the moment of inertia of the flywheel, and thus to realize adaptive adjustment of the inertia ratio of the inerter. Specifically, the change of angular velocity of the flywheel is caused by the change of an external force load on a lead screw, a centrifugal force on the mass blocks in spring-mass block structures is changed by the angular velocity, and the positions of the mass blocks in the radial direction of the flywheel is determined by the balanced relation of the centrifugal force and a spring restore force, so that the design purpose is achieved.

Abstract: The present disclosure provides a reference image encoding method, including: encoding sequence, to obtain a reconstructed image of a first and second reference images; determining whether a local area in the second reference image is suitable for updating first reference image; determining whether the first reference image is updated; when the first reference image is not updated, and it is determined the second reference image is suitable for updating the first reference image, replacing a pixel value of a corresponding area or a related area in the first reference image with a pixel value of the local area in the second reference image; and compiling, into the bitstream.

Abstract: The invention discloses a method for preparing lead smelting slag glass-ceramics based on the oxidation of silicon-rich silicon smelting slag and composition adjustment, and belongs to the technical field of resource utilization of smelting slag rich in monatomic silicon. The method comprises the steps: mixing the silicon slag rich in monatomic silicon with an oxidant, a fluxing agent and a clarifying agent according to a formula ratio, ball-milling and screening to obtain a tempering raw material with uniform size, and performing high-temperature oxidation melting on the tempering raw material to form an oxidation-state molten tempering material; and carrying out further mixed melting on the molten tempering material and hot lead slag, carrying out water quenching to obtain basic glass, and carrying out heat treatment system on the obtained basic glass to form the glass ceramics.

Abstract: A brainwave auscultation method includes steps: providing a brainwave auscultation device; placing a brainwave pickup unit of the brainwave auscultation device on the head of a testee to acquire a primitive brainwave signal of the testee, and transmitting the primitive brainwave signal to a signal processing unit; the signal processing unit filtering the primitive brainwave signal according to a waveband reservation standard to generate a preparatory signal, wherein wavebands reserved by the waveband reservation standard include a ? waveband, a ? waveband, an ? waveband, a ? waveband, and a ? waveband; the signal processing unit shifting a central frequency of the preparatory signal to an audible range of human ears; the signal processing unit performing spread-spectrum operation to the shifted preparatory signal to generate a pre-vocalization signal whose frequencies range from 20 Hz to 20 kHz; and making a loudspeaker generate sounds based on the pre-vocalization signal.

Abstract: The present invention provides a device for enrichment culture and gravity-type isolation of marine microorganisms in a high-pressure environment. The device includes an enrichment and multistage purification unit and a gravity-type isolation and culture unit. Under a high-pressure and low-temperature environment constructed to be consistent with a marine environment, the enrichment and multistage purification unit is used for realizing a process of enrichment and multistage purification of the marine microorganisms, obtaining a marine microorganism enrichment bacteria liquid and injecting the marine microorganism enrichment bacteria liquid into the gravity-type isolation and culture unit. The gravity-type isolation and culture unit is used for carrying out automatic streaking by means of gravity in the high-pressure environment to achieve solid isolation and culture of the marine microorganisms, such that culturability of the marine microorganisms is effectively improved.

Abstract: An auscultatory sphygmomanometer system includes a pressure sensing and working module and a cuff. The cuff has a tube connected with the pressure sensing and working module, a gasbag connected with the tube and inflated or deflated according to the working state of the pressure sensing and working module, an audio pickup probe disposed on the gasbag and using a lateral surface of the gasbag as an oscillation membrane, and a cuff body accommodating the gasbag. While the cuff body is wound around a testee's arm, the gasbag is positioned into a first surface neighboring the testee's arm and a second surface opposite thereto and far away from the testee's arm. The connection position where the tube is joined to the gasbag is on the second surface. The sounds picked up by the audio pickup probe are sued to determine the systolic pressure and the diastolic pressure.

Abstract: The present invention discloses an OPC UA based multi-mechanical device interconnection and intercommunication realization system, which realizes horizontal integration, vertical integration, and arbitrary connectivity between devices and systems by using OPC UA technologies on the basis of multiple different mechanical devices. The software system includes a plurality of different layers, which are a device layer, a device operation layer, a data acquisition layer, a data interaction layer, a network support layer, a data storage layer, an application service layer, and a user interface layer from bottom to top, and each layer has specific functions. The present invention realizes the interconnection and intercommunication of multiple mechanical devices, can realize free communication across the firewall, and has strong reliability, user friendliness, real-time performance, scalability and security.

Abstract: A rapid demagnetization method based on characteristics of magnetic media. In the method, basic information is obtained by a recognition module of magnetic media by means of multi-source sensing collaboration. The magnetic medium is identified by using a data processing technology and a magnetic medium identification algorithm, and then the characteristic information is extracted. Optimized set values of demagnetization parameters are obtained by a demagnetization parameter optimizing and setting module based on a demagnetization optimizing model. Demagnetization parameter set values are tracked by a closed-loop control module of a demagnetization magnetic field in combination with domain expert knowledge by using a closed-loop control mechanism integrated with a magnetic field control algorithm, a charging-discharging device, a magnetic field generating device, a magnetic field sensor and an environmental sensor, completing the rapid demagnetization of the magnetic medium.

Abstract: The present invention discloses a multi-channel impact-resistant intelligent-constant-deceleration hydraulic braking system, and relates to the field of safety braking control for mine hoist systems. A technical point of the braking system is that the braking system includes a braking circuit formed by a constant-deceleration hydraulic system, a constant-deceleration electrical closed-loop control system, and a detection and feedback apparatus. The constant-deceleration hydraulic system is provided with N+1 independent complete oil return channels, where N is a positive integer greater than or equal to 3. The oil return channels are disposed in parallel to form parallel independent braking circuits, that is, are “multi-channel” and do not have a “common output point”. The oil return channel includes a backup oil source, an electro-hydraulic signal conversion and amplification component, an operating mode switching apparatus, and an execution component that are sequentially connected.

Abstract: Disclosed is a method for calculating a pressure loss of a parallel R-type automobile vibration damper. The automobile vibration damper includes a frame, a spring, an axle, a hydraulic cylinder, an upper oil tank, a piston, a lower oil tank, and a resistance adjustment section. The resistance adjustment section is composed of 4 capillaries connected in parallel and solenoid valves. The four capillaries are all coiled into an M shape. The 4 capillaries are R8, R4, R2, and R1 and are connected in series with solenoid valves VR8, VR4, VR2, VR1, respectively. Due to the viscous effect of oily liquid in the cylinder, when the oily liquid flows through the resistance adjustment section, damping can be adjusted by adjusting the configurations SRn of the solenoid valves VR8, VR4, VR2, and VR1.

Abstract: A shoulder-angle-adjustable friction stir welding head suitable for a fillet joint includes a stirring head body. A front end of the stirring head body is mounted with a movable shoulder, a stirring pin channel is arranged on the movable shoulder, and the stirring pin channel may allow a stirring pin of the stirring head body to pass through. The present disclosure can respond to welding tasks of the fillet joint of different angles and enlarges an application scope of the friction stir welding head in a manner that the front end of the stirring head body is mounted with the movable shoulder, the stirring pin channel is arranged on the movable shoulder, the stirring pin channel is used for allowing the stirring pin of the stirring head body to pass through, and the angle of the movable shoulder is adjusted.

Abstract: The disclosure relates to a protein-type nanoparticle for multi-specific antibody delivery, a preparation method, and its application. The protein-type nanoparticle includes a polyester and a protein with a hydrophobic domain, and the hydrophobic domain of the protein is bound with the polyester through hydrophobic interactions. The protein is at least one of albumin, globulin and cell wall protein. The protein-type nanoparticle of the present disclosure has excellent stability and biocompatibility. The protein-type nanoparticle is used to prepare a multi-specific antibody delivery platform (?Fc-NP) by binding anti-IgG-Fc antibody or anti-IgG-Fc antibody fragment, which can stably, quickly and easily bind to multiple specific antibodies through antigen-antibody interaction and enhance the therapeutic effect of specific antibodies.

Abstract: The present invention discloses a method of preparing an alkali activation material by using red mud-based wet grinding and carbon sequestration and an application thereof. The preparation method includes: (1) adding water, red mud, a crystalline control agent, and a grinding aid into a wet grinding carbon sequestration apparatus to perform wet grinding, and simultaneously introducing CO2 until a slurry pH reaches 7 to 7.5; and removing wet grinding balls by a sieve to obtain a slurry A; (2) adding carbide slag, water and a water reducer to a wet planetary ball grinder tank for wet grinding, and removing wet grinding balls by a sieve to obtain a slurry B; (3) taking 50 to 80 parts of the slurry A and 20 to 50 parts of the slurry B and mixing them to obtain an alkali activation material.