343 results about "Active components" patented technology

The invention relates to the technical field of skin care product detection, and discloses a multi-dimensional rapid detection and comprehensive analysis system for a skin care product formula. The method comprises the following steps: acquiring infrared spectrum data of a skin care product through a component spectrum acquisition device, and extracting characteristic peak information to generate an original spectrum characteristic vector; the formula component analysis engine matches the standard spectral characteristics, identifies active components and concentration proportions and outputs a component identification list; the component interaction relation modeling module constructs a component collaboration or antagonism relation network and generates a graph; the stability prediction unit analyzes component stability change trends in different environments and outputs a prediction report; the safety evaluation module calculates a safety threshold value and a risk level and generates an evaluation matrix; the formula optimization suggestion generator screens replaceable components or adjusts the concentration, and outputs optimization suggestions; and the detection report integration unit carries out structured integration on the result to form a final report. According to the system, multi-link integrated detection is realized, and the detection requirements of skin care products are met.

The invention belongs to the technical field of semiconductor material processing, and relates to a bonding method and a wafer room temperature bonding method, which are executed by a bonding system comprising a film forming chamber, a bonding chamber, a transmission chamber and a bonding point location preparation unit. The method comprises the following steps: forming an active film layer containing unsaturated bond active points on the surface of a wafer; active components are introduced through the bonding point site preparation unit, so that the active components react with the active point sites to form bonding point sites; transmitting the two wafers to a bonding chamber and aligning the two wafers; pressure is applied, and bonding is completed by means of the pressure and the bonding reaction between the bonding points. According to the method, the flat and active bonding surface can be prepared, the lattice structure is not influenced in the bonding process, and the quality of the bonding wafer product can be improved.

This application relates to a heat dissipation shielding structure and a processing method, a circuit board assembly, and an electronic device. The printed circuit board includes a mounting surface. Electronic components are mounted on the mounting surface. The electronic components include an active component and a passive component. The heat dissipation shielding structure includes an insulating layer. The insulating layer is covered on the mounting surface, and wraps at least a side surface of the active component, so that a side that is of the insulating layer and that faces away from the mounting surface forms a first surface together with a top surface of the active component. A shielding layer is covered on the first surface, a shape of the shielding layer matches a shape of the first surface, and the shielding layer is electrically connected to a ground network of the printed circuit board.

The invention belongs to the technical field of low-carbon dehydrogenation aids, and particularly relates to a heat balance aid as well as a preparation method and application thereof. The heat balance auxiliary agent comprises Al, Ca, Si, Cu and Mn elements existing in an oxide form; wherein the Al2O3, the CaO and the SiO2 jointly form a skeleton structure of the auxiliary agent, and the CuO and the MnO2 are used as active components and are attached to the skeleton structure; the molar ratio of metal elements in the heat balance auxiliary agent is as follows: Al: Ca: Si: Cu: Mn = (49-78.9): (15-25): (1-10): (5-15): (0.1-1). The heat balance additive prepared by the invention shows excellent anti-sintering capability, long service life and stable heat supply performance under harsh reaction conditions such as propane dehydrogenation, and can effectively improve the selectivity of target olefin and reduce the generation of byproducts such as methane.

The invention relates to the technical field of electrodes for vanadium batteries, in particular to a preparation method of a catalytically active electrode for a vanadium battery, the catalytically active electrode and application of the catalytically active electrode. The preparation method comprises the following steps: loading a bismuth oxide water-phase dispersion liquid as a precursor on the surface of a graphite felt electrode substrate, placing the graphite felt electrode in an inert atmosphere to carry out a carbon thermal reduction reaction, and carrying out a solid-phase reaction on bismuth oxide and the graphite felt carbon substrate in the inert atmosphere to generate a strongly combined catalytic active site in situ. By pertinently controlling the concentration of the bismuth oxide water-phase dispersion liquid and the temperature of the carbon thermal reduction reaction, active components in the prepared catalytic active electrode for the vanadium battery are uniformly and firmly combined on the surface of a matrix, and high uniformity and high stability are shown. And meanwhile, a loading-first and one-step carbon thermal reduction method is adopted, so that large-scale production can be realized, the electrochemical activity of the product is effectively improved, the uniformity and consistency of the performance can be realized, and the multi-dimensional strict requirements of commercial production on the electrode performance and the manufacturing efficiency are effectively met.

The invention relates to the technical field of mode recognition, in particular to a switch cabinet drawer early warning system based on multi-mode perception, and the system comprises the steps: obtaining a visible light video, an infrared thermal image, a mechanical waveform, an electrical time sequence signal and asynchronous event stream data in the operation process of a switch cabinet through a data collection module; a tensor construction module is used for executing geometric mapping correction and timestamp synchronization by taking the visible light video as a space reference, and constructing a multi-modal spatial-temporal feature tensor containing texture, temperature and electromechanical response; the state variable calculation module projects the electrical time sequence signal to an orthogonal feature space, decouples and extracts an active component feature vector, and calculates a dynamic resistance state variable; and the abnormity identification module further constructs a physical information neural network which introduces a physical equation residual error as a constraint term, the tribological parameters are solved through online iteration, and through virtual trajectory comparison and parameter time-varying trend analysis, classified judgment of lubrication failure, mechanical jamming and contact faults is realized.

Conveying unit (1) for a liquid additive, comprising a block (2) with channels (3) to which at least one active component (4) for conveying the liquid additive is mounted, wherein at least three channels (3) in the block (2) open into a cylindrical collecting chamber (5), and a deformable sleeve-shaped element (6) is arranged in the collecting chamber (5), wherein the sleeve-shaped element (6) has at least one sealing lip (26) which seals the collecting chamber against the surroundings of the block.

The invention relates to lead stabilization in a semiconductor package. One or more embodiments generally described are directed to a semiconductor package including a plurality of leads and a method of forming the same. The plurality of leads includes an active lead electrically coupled to the bonding pad of the semiconductor die and thereby to the active component of the semiconductor die, and a passive lead not electrically coupled to the bonding pad of the semiconductor die. The active lead has a surface exposed at the lower surface of the semiconductor package and forms a solder zone, while the passive lead is not exposed at the lower surface of the package.

The invention relates to a preparation method and application of a CoNi alloy nanoparticle doped double-shell hollow carbon material, and belongs to the field of nano material preparation technology and electromagnetic wave absorption application. 3-aminophenol and formaldehyde are subjected to a condensation polymerization reaction to synthesize phenolic resin balls, the phenolic resin balls are placed in 3-aminophenol and formaldehyde again to react, and the double-shell hollow phenolic structure is obtained. And adding the double-shell hollow phenolic aldehyde structure into cobalt nitrate hexahydrate (Co (NO3) 2.6 H2O) and 2-methylimidazole for low-temperature reaction, then adding a solution of (Ni (NO3) 2.6 H2O) for reaction at high temperature and high pressure, and drying to obtain the CoNi alloy nanoparticle doped double-shell hollow carbon material. According to the preparation method disclosed by the invention, the double-shell structure is taken as a main template, and the CoNi alloy nanoparticles are used as active components to be doped in the double-shell hollow structure in situ, so that the cascade synthesis of the microstructure of the nano material is greatly enriched, and the obtained CoNi alloy nanoparticle doped double-shell hollow carbon material has excellent electromagnetic wave absorption performance.

This application discloses a cathode catalyst for aluminum-air batteries and its preparation method. The cathode catalyst comprises a carbon support and at least one platinum-containing multi-element alloy nanowire supported on the carbon support. The platinum-containing multi-element alloy nanowire contains Pt and at least two other transition metal elements, and the aspect ratio of the platinum-containing multi-element alloy nanowire is at least 10. The cathode catalyst of this application exhibits long-term durability under harsh electrochemical environments, higher catalytic activity of the active components, and is less prone to migration and aggregation, thereby solving the technical problems of high cost and poor stability of traditional Pt / C catalysts for aluminum-air batteries.

The present application relates to the technical field of medical materials, and discloses a medical sterilization fiber dressing and a preparation process thereof. The dressing comprises a functional substrate and an electrochemically active component. The functional substrate comprises cyclodextrin grafted chitosan and sodium alginate, and the electrochemically active component comprises zinc powder and copper powder. The dressing utilizes the zinc powder and copper powder to form a micro-battery in an electrolyte environment, releases zinc ions and generates a micro-electric field to kill bacteria. At the same time, the cavity structure of the cyclodextrin grafted chitosan specifically recognizes and includes wound infection markers, and then regulates the reaction rate of the micro-battery, so as to realize the on-demand release of sterilization activity. The preparation process comprises the following steps: mixing the components to prepare a spinning solution, forming in a calcium chloride solution through wet spinning, and then stretching and drying to obtain the fiber dressing. The dressing can respond to the wound infection state, realize on-demand sterilization, and has good biocompatibility.

Heat is passively removed from circuit breaker stabs in a circuit breaker panel (i.e., without the use of active components such as cooling fans), and transferred to the panel chassis for radiant dissipation. A thermally conductive, electrically insulating (TCEI) material is interposed between the breaker stabs and the chassis. The TCEI material both spreads heat from each breaker stab over a large area, and passively conducts the heat to the panel chassis. In some embodiments, heat spreaders attached to the breaker stabs and embedded in the TCEI material, and / or a main heat sink interposed between the TCEI material and the circuit breaker panel chassis, enhance the passive conductance of heat from the breakers to the chassis for radiant cooling.

The invention discloses a lithium metal negative electrode with a three-dimensional composite structure layer and a preparation method thereof, and relates to the technical field of lithium metal negative electrodes, the lithium metal negative electrode comprises a modified polymer base membrane, a lithium-loving transition layer and a lithium metal layer which are sequentially compounded from inside to outside; the modified polymer base membrane is a composite membrane of a polymer base material and a functional filler, the thickness is 10-30 microns, and the tensile strength is greater than or equal to 20 MPa; the thickness of the lithium-loving transition layer is 1-5 [mu] m, the interface peel strength is greater than or equal to 5 N / m, the lithium ion conductivity is greater than or equal to 1 * 10 <-4 > S / cm, and the lithium-loving transition layer is composed of a lithium-loving active component and a polyvinylidene fluoride binder; and the thickness of the lithium metal layer is 50-150 [mu] m. According to the lithium metal negative electrode with the three-dimensional composite structure layer, a three-layer composite structure with a modified polymer base membrane as a supporting framework, a lithium-loving transition layer as an interface bridge and a lithium metal layer as an active main body serves as a core, and the problems that an existing lithium metal negative electrode is prone to breakage, poor in interface adhesion and insufficient in cycling stability are solved.

An example embodiment includes: obtaining a specification of a target deformation shape for a substance, wherein the substance has a plurality of material control points with respective curvatures and arc lengths defining the target deformation shape, and wherein the substance includes thermo-active components and non-thermo-active components; determining a set of relations between indications of presence of the thermo-active components or the non-thermo-active components, orientations of the thermo-active components, and deformation capabilities of the thermo-active components; providing, to an optimization solver application, the specification, the set of relations, and instructions to determine values of the presence of the thermo-active components or the non-thermo-active components within the locations of the target deformation shape and the orientations of the thermo-active components, such that the substance can attain the target deformation shape in response to a temperature change when in a non-deformed state; and receiving, from the optimization solver application, the values as determined.

The invention provides a method for preparing a silicon-carbon negative electrode material by using a waste photovoltaic module, which comprises the following steps of: (1) disassembling and crushing to obtain silicon / silver / aluminum / EVA (Ethylene Vinyl Acetate) mixed powder; (2) carrying out alkali etching to obtain etched silicon / silver / EVA (Ethylene Vinyl Acetate) powder; (3) synergistic carbonization coating: constructing a double-layer carbon coating structure of'inner layer hard carbon-outer layer soft carbon 'on the surface of the silicon particles in situ to obtain a silicon-carbon composite material; (4) carrying out heat-moisture treatment, so that the catalytic active component is stably anchored on the surface of the material, and the transition metal salt is decomposed into metal oxide to obtain a graphite / silicon carbon material; and (5) performing in-situ catalytic growth of a carbon nanotube on the graphite / silicon carbon material to obtain the silicon carbon negative electrode material with a porous silicon-carbon tube-double carbon layer three-dimensional conductive network structure. The silicon-carbon negative electrode material obtained by the invention has high specific capacity, excellent cycle stability and rate capability.

The invention relates to the technical field of artificial intelligence, and discloses a method for adaptively adjusting the ratio of an improver based on an AI (artificial intelligence) algorithm, according to the method, multi-field parameters are obtained by using a composite material micro pile embedded with a sensing array, and the evolution trend of a stratum is predicted through a heat-water-force multi-field coupling evolution model. And an artificial intelligence algorithm calculates a modifying agent proportion vector changing along with depth according to a prediction result, and drives a grouting system to adjust the concentration of the active component. And the physical boundary of the micro pile group is utilized to guide a flow field to form a transverse overlapping reinforcing belt. The phase change component in the modifier releases latent heat at a preset temperature, and intervenes in formation heat balance in cooperation with physical heat barrier of the micro piles. And the system executes parameter inversion through measured data and updates an algorithm weight. According to the method, accurate matching of the treatment scheme and stratum heterogeneity is achieved, frost heaving deformation of the foundation is effectively restrained, and the structural stability of the high and cold large-thickness foundation is guaranteed.

The invention discloses a silicon-carbon composite material and a preparation method thereof, an electrochemical device and electronic equipment. Particles of the silicon-carbon composite material comprise a porous carbon matrix and a carbon coating layer arranged on the surface of the porous carbon matrix, and the porous carbon matrix sequentially comprises an inner core area and a buffer area from inside to outside in the radial direction; a first active component is embedded in the inner core area, and the first active component comprises a silicon-based material; and a second active component is embedded in the buffer region. An electrochemical device (especially a lithium ion battery) obtained by using the silicon-carbon composite material as a negative electrode material has excellent capacity performance and cycling stability, and the initial DCR is low.

The invention relates to the technical field of active ingredient extraction, and particularly provides an extraction method for classifying and screening active ingredients, raw materials are subjected to low-temperature freeze-drying pretreatment by adopting supercritical CO2, and treatment is performed for 4-6 hours under the conditions of minus 40-minus 20 DEG C and 8-12 MPa, so that the active ingredients are reserved to the greatest extent; through gradient ultrasonic-assisted extraction of ultrapure water, a 50% ethanol solution and a 95% ethanol solution, step-by-step separation of water-soluble, alcohol-soluble and fat-soluble components is realized; carrying out multi-dimensional purification by using a composite chromatographic column containing a 0.2 mu m ceramic membrane layer, a macroporous adsorption resin layer and a sephadex layer; a two-channel biosensor array is adopted to synchronously detect a cell response signal and a molecule binding signal, and components with the activity intensity reaching 80% or above are screened; and finally, carrying out vacuum rotary evaporation concentration and spray drying to obtain a finished product, and completing system purity verification through a high performance liquid chromatography-mass spectrometry technology to form a complete quality control system.

The invention provides a cobalt-based microgel material as well as a preparation method and application thereof. The catalytic oxidation activity, stability and universality of the cobalt-based material to sulfite are effectively improved on the basis of the synergistic effect of constructing a microgel structure through reduction of sodium borohydride and regulating and controlling the boron loading amount to optimize catalytic active sites. The specific boron loading amount induced electron interaction between Co-O-B changes the electron cloud distribution and bonding environment of Co, so that the number and distribution of catalytic active sites are effectively regulated and controlled, and the pore structure of the microgel is stabilized, thereby promoting efficient contact between sulfite and the active sites; a stable microgel structure is formed through a liquid phase reduction-gelation process, agglomeration or loss of active components can be avoided, a proper amount of boron loading can prevent pore channel blockage, the problem of catalytic activity attenuation under high loading capacity can be effectively relieved, meanwhile, catalytic requirements of different sulfites are met, and the application range of the material is widened.

The invention discloses a high-simulation and high-performance stone-imitating bright ceramic tile which sequentially comprises a high-strength green body layer, a functional ground glaze layer, a multi-mode digital texture layer, an interface strengthening-optical adaptation transition layer and a high-transmittance protective glaze layer from bottom to top. The raw materials of the high-strength green body layer comprise spodumene tailing powder and a compound of zirconium silicate and zinc oxide serving as a sintering aid, the water absorption rate is smaller than or equal to 0.2% after sintering, the fracture modulus is larger than or equal to 42 MPa, the high-strength green body layer is covered with the functional ground coat layer, and the raw materials of the functional ground coat layer comprise a porous forming agent and active components capable of reacting with follow-up ink. According to the invention, through multi-modal data acquisition and morphology channel printing, full-dimensional physical recarving of natural stone from macroscopic color veins to micro-crystal fluctuations is realized, and high-refractive-index ink and an interface strengthening-optical adaptation transition layer are combined, so that the appearance of the natural stone is enhanced. The product can present the specific deep feeling, moist feeling and mineral crystal flash of natural stone under any illumination, and the vivid degree which is difficult to distinguish by naked eyes is achieved.

This invention provides a butyl sealant for edge sealing and its preparation method, belonging to the technical field of photovoltaic module encapsulation materials. The butyl sealant provided by this invention, through optimized formulation design, significantly improves electrical insulation and flame retardant properties while maintaining the excellent moisture barrier properties of butyl rubber. It also exhibits good application performance, meeting the requirements of high-voltage systems above 2000 V and 6-8 mm narrow-bezel modules. Furthermore, the preparation method of this invention employs a segmented mixing process, selecting appropriate mixing temperatures and speeds based on the characteristics of different components. This ensures thorough dispersion of each component while preventing degradation of active components, guaranteeing the stability and consistency of product performance.

The invention belongs to the field of sodium ion battery binders, and discloses a conductive-bonding difunctional polymer binder, a preparation method thereof and an application of the conductive-bonding difunctional polymer binder in a sodium ion battery. According to the invention, a strong reducing solution is prepared from an ether solvent, an aromatic hydrocarbon compound and metal sodium to carry out controllable defluorination on polyvinylidene fluoride, and the C = C-containing conjugated polymer is prepared and endowed with good electronic conductivity. According to an electrode prepared by adopting the conductive binder, the proportion of traditional inactive components can be effectively reduced, the rate capability and the energy density of the electrode are remarkably improved, and wide research prospects and application values are provided for design and development of a high-performance sodium ion battery.

This utility model provides an emergency alarm device for freight elevators, comprising: a supporting sliding frame assembly and an alarm device. The alarm device is installed on the top inner wall of the supporting sliding frame assembly. Elastic support components slide at both ends of the supporting sliding frame assembly, and a position sliding component slides on the inner wall of the supporting sliding frame assembly. Limiting active components are provided at both ends of the position sliding component, and a buffer component is installed on the top of the position sliding component. This utility model provides an emergency alarm device for freight elevators. Through the combined use of the elastic support components and the limiting active components, the alarm device at the top can automatically slide downwards, allowing for easy activation of the alarm when a person accidentally falls. Simultaneously, the buffer component at the bottom provides positional support for the sliding alarm device, reducing the risk of internal component loosening or outer casing damage due to collisions during sliding, thus minimizing impact on the normal operation and service life of the equipment.

The invention discloses preparation of an electrode for an electrochemical separation system and a separation material of the electrode. The preparation method comprises the following steps: selecting a lithium titanium oxide, a layered double-metal hydroxide, a Prussian blue analogue or a layered manganese oxide as a substrate; the method comprises the following steps: introducing an electrochemical active component into a substrate by any one or a combination of the following modes: doping heterovalent or covalent transition metal ions into lattice sites of a substrate material, introducing oxygen vacancies into the substrate by a reducing atmosphere sintering or chemical reduction method, and doping heteroatoms into the substrate material; the method comprises the following steps: removing impurities from a substrate introduced with an electrochemical active component, and then carrying out electrochemical cycle pretreatment to stabilize active sites;

The application relates to the technical field of nitrile compound hydrogenation, and discloses a nitrile compound hydrogenation catalyst, a preparation method and application thereof, the catalyst comprising a carrier and an active component loaded on the carrier, wherein the active component comprises at least one of Ni, Co and Fe, the carrier comprises at least one of alumina and silicon dioxide and an electronic assistant, the electronic assistant comprises at least one of fullerene, graphene and carbon nanotube, and the content of the electronic assistant is 2-30% by weight based on the total weight of the carrier. The catalyst can effectively inhibit the generation of polymers such as secondary amine and tertiary amine under the premise of ensuring high conversion of nitrile compounds, so that the selectivity of amine products is improved.

The invention discloses single-crystal lithium iron phosphate and a preparation method and application thereof, and belongs to the technical field of battery materials, the method comprises the following steps: S01, treating and recycling a lithium iron phosphate positive plate, a separation current collector and an active component feed liquid by using hydrogen peroxide, heating the active component feed liquid and phosphoric acid to react, and cooling to age iron phosphate crystals to obtain a lithium iron phosphate crystal; filtering, collecting solids and washing to obtain iron phosphate crystals; s02, mixing the iron phosphate crystals with glucose, and sintering the mixture for the first time at 400-680 DEG C in an inert gas atmosphere to obtain an iron phosphate precursor; and mixing the iron phosphate precursor, glucose, lithium carbonate and lithium fluoride, sanding, drying, and further sintering for the second time at 700-750 DEG C in an inert gas atmosphere to obtain the single-crystal lithium iron phosphate. The monocrystal lithium iron phosphate is uniform in particle size distribution, high in product purity and high in compaction density, and can be applied to the field of high-compaction high-performance long-circulation energy storage.

The application provides an engine cylinder pressure calculation method and an engine cylinder pressure virtual sensing system. The method comprises the following steps: establishing a hybrid control combustion model of an engine, inputting first parameters for calculation into the hybrid control combustion model, and performing the following calculation in the hybrid control combustion model: calculating in-cylinder temperature and pressure of the engine in a first stage according to the first parameters, calculating instantaneous in-cylinder local turbulent kinetic energy density in a second stage, calculating a burned gas dilution factor according to the first parameters, the burned gas dilution factor reflecting an obstruction effect of inert gas in a combustion chamber of the engine on mixing of active components, calculating a heat release rate after an ignition delay period in a third stage according to the first parameters, a fuel kinetic energy change rate and the burned gas dilution factor, and calculating a curve of engine cylinder pressure changing with a crank angle according to the heat release rate by using a thermodynamic formula.

The invention discloses a composite porous electrode material as well as a preparation method and application thereof. The composite porous electrode material takes a cellulose nanofiber porous composite material as a carrier and is loaded with a metal oxide active component; the metal oxide is one or more modified structures constructed by heteroatom doping and oxygen vacancy defects. The efficient photoelectric cathode integrating CO2 adsorption and catalytic conversion is constructed, and the effect of remarkably improving CO2 reduction activity and product selectivity is achieved.

A passive optical network is used for communications in a data center between an Optical Line Terminal (OLT) in an Ethernet switch and an Optical Network Terminal (ONT) in a compute node in a server. The passive optical network reduces the latency from microseconds to single digit nanoseconds in both upstream and downstream directions that can result in an increase in application performance. In addition, because the passive optical network does not use active components, the passive optical network has a reduced Mean Time Between Failures that can be decades or centuries.

The application provides a porous recrystallized silicon carbide-based catalytic module and a preparation method and application thereof, and belongs to the technical field of catalytic materials. The porous recrystallized silicon carbide-based catalytic module provided by the application comprises a carrier and an active component loaded on the carrier; the carrier is porous recrystallized silicon carbide; and the active component comprises a metal single active component and / or a metal oxide active component. The porous recrystallized silicon carbide-based catalytic module provided by the application has the carrier of porous recrystallized silicon carbide, high porosity, large specific surface area and excellent corrosion resistance, and has excellent catalytic effect and long service life.