82results about How to "Optimized area" patented technology

The invention provides a preparation method of a lithium iron phosphate material, a lithium ion battery and electric equipment, and relates to the technical field of batteries. The method comprises the following steps: mixing raw materials of an iron source, a lithium source and a phosphorus source with a reagent serving as a reducing agent and a carbon source, and grinding to obtain precursor powder; wherein the molar ratio of the lithium source to the iron source is 1.03-1.05, and the molar ratio of the iron source to the phosphorus source is 0.965-0.99; carrying out high-temperature treatment on the precursor powder in an inert atmosphere to obtain a lithium iron phosphate base material; and crushing the lithium iron phosphate base material to obtain the lithium iron phosphate material meeting the particle size requirement. The high-capacity and high-compaction lithium iron phosphate material is obtained by accurately controlling key indexes such as the iron-phosphorus ratio, the carbon content, the graphitization degree and the particle size and combining an optimized processing technology, so that the fast charging performance of a lithium ion battery is improved, and the effect of not reducing the electric quantity while the fast charging requirement is met is achieved.

The invention discloses a sand source resistance and control dynamic configuration method for a hole-to-wind sand area, and relates to the technical field of wind and sand protection, and the method comprises the following steps: collecting meteorological data, wind and sand data and historical sand source change data of the hole-to-wind sand area, and obtaining geographic information and vegetation coverage conditions of the sand source area through a remote sensing technology and ground monitoring equipment; by monitoring key parameters such as wind speed, wind direction and dust concentration in real time and combining high-resolution ground image data acquired by an unmanned aerial vehicle and a satellite remote sensing technology, real-time sensing and accurate analysis of sand source changes are realized, the efficiency and accuracy of data collection are improved, and the detection accuracy is improved. In addition, the prevention and control measures can be dynamically and accurately arranged according to the specific sand source, and by dynamically adjusting the arrangement and density of prevention and control facilities and optimizing the type and area of vegetation coverage, sand storm invasion can be more effectively prevented, the occurrence frequency and intensity of sand storm are reduced, and the efficiency and accuracy of sand source prevention and control are remarkably improved.

The invention discloses an immersed rotary ceramic membrane aeration device. The immersed rotary ceramic membrane aeration device comprises a base, a waterproof rotary motor, a rotary ceramic membrane component and a rotary joint, an internal air channel of the rotary ceramic membrane comprises an inner ring air collection cavity, a plurality of air flow channels with the same size and structure and an outer ring aeration cavity, the inner ring air collection cavity is communicated with air outlet holes corresponding to the rotary ceramic membrane where the inner ring air collection cavity is located and is communicated with the outer ring aeration cavity through the air flow channels, and different air flow channels distribute air independently. The inner ring gas collection cavity carries out secondary distribution on inlet gas, so that gas distribution is more uniform, the gas subjected to secondary distribution passes through the gas flow channels to be uniformly aerated, and meanwhile, the outer ring aeration cavity at the tail ends of the gas flow channels communicates all the gas flow channels, so that the aeration uniformity in each gas flow channel is further ensured. The whole device can be submerged in water for use, and installation, maintenance and application are all relatively flexible, simple and convenient.

The invention discloses a preparation method of an efficient and stable TiNi alloy-based porous composite structure electro-catalysis electrode, and relates to a preparation method of an electro-catalysis electrode. The invention aims to solve the problem that the existing hydrogen evolution electro-catalysis electrode cannot simultaneously have high hydrogen production efficiency, low cost and excellent stable performance. The preparation method comprises the following steps: 1, pretreating the sodium metaaluminate pore-forming agent; 2, ball-milling and mixing; (3) preparing a porous TiNi-based alloy; and 4, compounding a catalytic active layer. The method is used for preparing the efficient and stable TiNi alloy-based porous composite structure electro-catalysis electrode.

The invention relates to an ultrathin hafnium oxide ferroelectric film capacitor based on electrode optimization and a preparation method thereof, and the method can effectively inhibit the production of an interface dead layer and excessive oxygen vacancies at the bottom of an HYO ferroelectric film through constructing a capacitor with a six-layer structure of a substrate, a bottom electrode layer, an oxide intercalation layer, a metal layer, an HYO ferroelectric film layer and a top electrode layer. The HYO ferroelectric film layer is grown through an atomic layer deposition method, and a large-area high-quality ferroelectric film with good uniformity can be grown; the capacitor with a six-layer structure is rapidly annealed in an inert atmosphere, so that the formation of a ferroelectric orthogonal phase in the HYO ferroelectric film can be promoted, the ferroelectricity is improved, the coercive field and the leakage current are reduced, and the fatigue characteristic is enhanced; meanwhile, the whole preparation process is simple and controllable, and the prepared ferroelectric film is good in quality and has commercial production and application potential.

A method for preparing a capacitive deionization anode for phosphate adsorption and desorption, and its application, belong to the field of inorganic phosphorus wastewater adsorption and enrichment. This invention aims to solve the problems of existing adsorption materials, such as low phosphate adsorption capacity, difficulty in reusing the adsorbent, or poor conductivity. Method: 1. Preparation of a PEDOT / YMOF-NH2 composite material; 2. Preparation of a capacitive deionization anode. Application: It is used for the adsorption and desorption of phosphates in phosphate-containing water. This invention is used for the preparation of a capacitive deionization anode for phosphate adsorption and desorption.

The vacuum cup cover comprises an outer shell and an inner shell arranged on the outer shell, a water outlet is formed in the lower portion of the outer shell, a water sealing device for controlling the water outlet to be opened and closed is arranged on the water outlet, a water flow channel communicated with the water outlet is arranged between the outer shell and the inner shell, and the water flow channel is communicated with the inner shell. A pressing assembly for controlling the water sealing device to move up and down is arranged on the inner shell, a water outlet nozzle is arranged between the outer shell and the inner shell, and the water outlet nozzle can rotate clockwise and anticlockwise in the upper end face of the outer shell. Comprising a cup body, and the vacuum cup cover is arranged on the cup body. The utility model has reasonable design, not only is favorable for reducing the difficulty in the production and manufacturing process and further reducing the production and manufacturing cost investment, but also is favorable for later use of a user, is more convenient to operate, is convenient for the user to pour water, and is more favorable for large-area popularization and application.

This utility model belongs to the technical field of medical devices, specifically relating to a balloon dilatation catheter cutting clamp and a drug coating uniformity testing device. The balloon dilatation catheter cutting clamp of this utility model utilizes the clamping surfaces of a first arc-shaped jaw and a second arc-shaped jaw to achieve precise clamping of drug-eluting balloons of different sizes. It also provides radial and axial cutting gaps for radial and axial cutting of the balloon dilatation catheter, cutting out regularly shaped sample fragments for testing, facilitating the calculation of the area or length of each sample fragment. Because the clamping surfaces are all concave, it ensures that even after axial cutting, the balloon dilatation catheter remains between the two clamping surfaces, preventing sample drop and drug detachment.

The invention provides high-light-transmittance polymethyl methacrylate resin and a preparation method thereof, and belongs to the technical field of high polymer materials. Comprising the following steps: carrying out catalytic cracking on waste polymethyl methacrylate resin, collecting a high-purity methyl methacrylate regenerated monomer I, uniformly mixing the high-purity methyl methacrylate regenerated monomer I with a methyl methacrylate monomer II, a comonomer III, a modifier, an initiator and a chain transfer agent serving as raw materials, and sequentially carrying out primary polymerization, secondary polymerization and tertiary polymerization, so as to obtain the polymethyl methacrylate copolymer. And then inputting the materials into a devolatilization extruder for devolatilization, extrusion molding and granulation to prepare the high-light-transmittance methyl methacrylate resin. The prepared light-transmittance polymethyl methacrylate resin is high in light transmittance, good in toughness and excellent in mechanical property, the application of the light-transmittance polymethyl methacrylate resin is greatly widened, and the light-transmittance polymethyl methacrylate resin has a wide application prospect.

This invention relates to a tungsten-doped tin dioxide nanopowder, its preparation method, and its application in semiconductor-type gas-sensitive elements. The method for preparing the tungsten-doped tin dioxide nanopowder includes the following steps: dissolving a soluble tungsten compound and a soluble tin compound in an aqueous solution containing a surfactant, and adding a complexing agent to obtain a homogeneous metal ion mixed solution; adding a precipitant to the mixed solution under stirring conditions to adjust the pH to 2-6, causing a metal hydroxide precursor to precipitate; aging, solid-liquid separation, washing, and drying the precipitate to obtain a precursor powder; adding a dispersant to the precursor powder and mixing evenly; and calcining to obtain the tungsten-doped tin dioxide nanopowder. The tungsten-doped tin dioxide nanopowder of this invention can be used in the preparation of semiconductor-type gas-sensitive sensors, ultraviolet detectors, lithium-ion battery anode materials, catalysts, or transparent conductive films.

The invention discloses a double-phase lightweight asynchronous circuit based on time sequence borrowing and a control method thereof. The circuit comprises a control path and a data path. The control access comprises a double-phase lightweight asynchronous controller and a lightweight asynchronous controller; the data path comprises a storage unit and a combinational logic unit. The method comprises the following steps: carrying out asynchronization processing based on a register circuit to obtain an asynchronized register circuit; carrying out distinguishing processing on the asynchronized register circuit based on time sequence constraint to obtain a distinguished register circuit; a double-phase lightweight asynchronous controller and a lightweight asynchronous controller are introduced, margin sensing asynchronous control processing is carried out on the distinguished register circuits, and time sequence pulse control signals are generated. According to the embodiment of the invention, the control signals with different pulse widths can be matched with the requirements of the latch, so that the execution efficiency of the instruction is improved, and the optimization of the power consumption and the area of the asynchronous circuit is realized. The method can be widely applied to the technical field of integrated circuit design.

The present invention relates to the field of virtual photographic image technology, and in particular to a method for generating virtual photographic images based on a neural network. By constructing a green screen environment and adopting a multi-angle shooting technology, a depth perception neural network is trained to calculate the depth information of an object block and the position of the object block. The shadow features are extracted using a convolutional neural network, and the depth information, position and real-time lighting parameters of the object block are combined. The BP neural network is used to comprehensively analyze and learn these data to accurately predict the light and shadow effects of each object block under specific lighting conditions, thereby improving the consistency of light and shadow and visual realism. By semantically segmenting the virtual environment, accurately processing the occlusion relationship between objects in the scene, simulating the interaction of light on the surface of an object, achieving light and shadow fusion in overlapping scenes, optimizing the reflective area and color value adjustment of the object block, ensuring the correct rendering of the shading and reflection effects between objects, and achieving the correct rendering of the mutual shading and reflection effects between objects while matching the light and shadow effects in real time.

The invention belongs to the technical field of environmental pollution control, and particularly relates to a chlorine modified carbon nanotube mercury adsorbent and a preparation method and a regeneration method thereof. The mercury adsorbent takes a carbon nanotube as a substrate and copper chloride as a modifier; the copper chloride simultaneously generates two active sites of copper and chlorine on the surface of the carbon nanotube; the preparation method comprises the following specific preparation steps: mixing, stirring and co-heating a carbon nanotube and a copper chloride solution, and then carrying out solid-liquid separation, drying and grinding to obtain the mercury adsorbent, the regeneration method comprises the following specific regeneration steps: mixing the mercury-loaded chlorine-modified carbon nanotube mercury adsorbent with an eluent for reaction, and then performing solid-liquid separation and drying to complete the regeneration of the chlorine-modified carbon nanotube mercury adsorbent. The mercury adsorbent provided by the invention has the advantages of high efficiency, low cost, environmental friendliness, reusability and the like, the problem that adsorbed mercury is difficult to remove is solved by corresponding wet desorption, the regeneration cost of the adsorbent is greatly reduced, and the mercury adsorbent is favorably used in engineering.

The integrated cylinder head comprises a cylinder head main body and is characterized in that a side wall is formed on the upper end face of the cylinder head main body, a boss and a concave cavity are formed in the side wall, four rocker arm seats are formed at the junction of the boss and the concave cavity, the rocker arm seats are arranged on the same straight line, and the rocker arm seats are arranged on the cylinder head main body. The rocker arm seats are provided with pin shaft installation holes, the pin shaft installation holes are higher than the side walls and used for installing pin shafts of rocker arms, the rocker arm seats on the two outer sides are provided with positioning holes, and the positioning holes are located in the outer surfaces of the rocker arm seats. Fasteners are inserted into the positioning holes to limit the two ends of the rocker arm mounting shaft, axial movement of the rocker arm mounting shaft is prevented, and noise caused by collision between the rocker arm mounting shaft and external parts is avoided.

The invention discloses a preparation method and system of a lithium iron manganese phosphate positive electrode material, relates to the technical field of electrode material preparation, and aims to solve the technical problem of low efficiency of a LMFP preparation device. The invention comprises a source material mixing mechanism, wherein the raw materials are uniformly mixed in the source material mixing mechanism, and the raw materials after preliminary mixing are secondary mixed and crushed by a ball mill. During the operation of the ball mill, a large number of grinding bodies in the mill will generate continuous impact and friction, and the impact and friction will generate heat, so the uniformly mixed raw materials are preheated, and then sintered in a high-temperature sintering furnace to convert them into lithium iron manganese phosphate materials with a specific crystal structure, and then crushed into finished products with a required particle size by a graded particle size crushing mechanism, and finally sieved and stored by a vibration screening mechanism, thereby significantly improving the preparation efficiency, uniformity and performance of the materials, while reducing energy consumption and cost, and providing strong support for the production of high-performance battery materials.

The invention relates to the technical field of complementary foods, and particularly discloses a complementary food for diabetics and a preparation method thereof.The complementary food comprises, by weight, 50-80 g of lotus seeds, 50-80 g of gordon euryale seeds, 50-80 g of pomegranate rind, 40-50 g of black dates and 100-200 g of auxiliary meat loaves, and the auxiliary meat loaves include but not limited to pork tenderloin and lean meat. Comprising the steps of material preparation, material wrapping, tile pot decoction and the like, various traditional Chinese medicinal materials and auxiliary meat blocks are scientifically matched for simple processing and decoction, so that the purpose of controlling blood sugar is achieved, meanwhile, the raw materials are convenient to obtain, the processing and preparation cost is low, the effect of enhancing immunity can be achieved while sugar metabolism of the body is improved, and the health care effect is achieved. The feed is beneficial for reducing oxidative stress, protecting cells from being damaged, promoting digestion and supplementing nutrition, and is convenient for large-area popularization and application.

The application discloses an LDH-based vaccine adjuvant and a preparation method and application thereof, and belongs to the technical field of aluminum adjuvant preparation of vaccines, and the preparation method comprises the following steps: mixing at least one of soluble magnesium salt, soluble zinc salt, soluble manganese salt and soluble calcium salt with soluble aluminum salt, and then performing a co-precipitation reaction with a sodium hydroxide aqueous solution in a colloid mill device, and performing crystallization to obtain LDH nanosheets; dispersing the LDH nanosheets in a PBS solution, adding a hepatitis B surface antigen molecule drug, uniformly mixing, and then performing centrifugation to obtain the LDH-based vaccine adjuvant. The LDH-based vaccine adjuvant can significantly promote the maturation of DC cells and the activation of T cells, and the total IgG level reflects the overall humoral immune response intensity of the body to vaccines or pathogens; the LDH-based vaccine adjuvant forms a "storage library" at an injection site to store antigens and slowly release the antigens, and the purpose of long-time continuous stimulation of the immune system in the body is achieved.

The invention discloses a method for preparing a mullite whisker adsorbing material through co-sintering, and relates to a structure and preparation of mullite whiskers and application of the mullite whiskers in printing and dyeing wastewater. The mullite whiskers are prepared by introducing a MoO3-NH4F composite co-sintering system and a one-step co-sintering method, and the adsorption material is low in preparation cost, simple in preparation process and free of pollution in the process. Under a strong alkaline condition, the adsorption rate on a methylene blue (MB) solution reaches 93.48%, and the adsorption capacity is 11.685 mg / g.

A display apparatus having improved circuit integration of a gate driver, and an electronic apparatus and a vehicle each including the display apparatus are provided. The display device includes: a substrate; a pixel transistor on the substrate; an anode electrode on and connected to the pixel transistor; a light emitting layer on the anode electrode; a pixel defining film on a portion of the anode electrode; a cathode electrode on the light emitting layer and the pixel defining film; and a gate driver in the non-display area of the substrate and connected to the pixel transistor, in which the gate driver includes a first transistor and a second transistor on the substrate, and a first gate electrode of the first transistor and a second gate electrode of the second transistor are directly connected to each other.

The application discloses a kind of carbon black supported iron manganese composite oxide cluster catalyst's Joule heat preparation method and its application in electrocatalytic nitrate reduction preparation ammonia, belong to electrocatalytic ammonia preparation technical field.The catalyst Ketjenblack EC-600JD carbon black is used as carbon carrier, iron manganese composite oxide cluster is uniformly dispersed on the surface of carbon carrier, and the carbon carrier is worm-like mesoporous structure, with high specific surface area and high defect concentration.The application uses sodium citrate as complexing agent, acetylacetone iron and manganese acetate as metal precursor, after complexing, loading, gelation, freeze drying, the target catalyst is prepared by Joule heat instantaneous heat treatment under nitrogen atmosphere;The preparation process has high heat conversion efficiency, low energy consumption, can realize atomic dispersion of iron manganese composite oxide cluster, effectively improves the exposure degree of catalytic active site.The catalyst shows high catalytic activity, high selectivity and excellent stability in electrocatalytic nitrate reduction preparation ammonia reaction, and the ammonia preparation faraday efficiency can reach more than 85%, and the preparation process does not need noble metal and toxic reagent, and the process is green and efficient, easy to scale production, can efficiently convert nitrate wastewater into ammonia, with environmental governance and nitrogen resource recycling value.

The invention relates to the technical field of batteries, in particular to a negative electrode material preparation method based on a negative electrode aged hard carbon material, which comprises the following steps: firstly, crushing and grading an aged hard carbon precursor to obtain particles with a preset particle size; the preparation method comprises the following steps: performing pretreatment such as acid washing, alkali washing, water washing and ethanol washing, mixing a purified precursor with a coating material in proportion to form a uniform coating layer, pre-sintering in a protective atmosphere, and preliminarily stabilizing a material structure by controlling parameters such as a heating rate; and carrying out specific surface area detection on the pre-sintered primary product, and dynamically adjusting pre-sintering process parameters according to the specific surface area detection to ensure that the pore structure of the material reaches the standard. And performing high-temperature carbonization treatment on the material meeting the standard so as to repair the carbon layer structure and improve the conductivity. And finally, performing quality judgment by detecting the first coulombic efficiency of a finished product. According to the invention, the first coulombic efficiency, the specific capacity and the cycling stability of the regenerated hard carbon material are improved, and the recycling of the aging material is realized.

The invention provides a preparation method of foamed cerium oxide for photocatalytic sterilization, and relates to the field of cerium oxide preparation. The preparation method of the foamed cerium oxide for photocatalytic sterilization comprises the following steps: S1, preparing common roasted coffee beans, grinding 2g of coffee beans, 4g of coffee beans, 5g of coffee beans and 8g of coffee beans into powder, and respectively dissolving the powder in 100ml of deionized water; s2, continuously stirring at 80 DEG C for 240 minutes to obtain a coffee extract; and S3, filtering the mixture with water-containing filter paper, marking filtrate as C2, C4, C5 and C8 according to corresponding concentrations of CeO2 (Cn), and storing the filtrate at 4 DEG C for subsequent experiments. According to the invention, cerium oxide has good photocatalytic performance and can generate strong oxidizing free radicals especially under irradiation of ultraviolet light or visible light so as to kill bacteria, and cerium oxide with a foam structure not only can provide a larger illumination reaction area, but also can effectively improve the absorption efficiency of the cerium oxide to ultraviolet light or visible light; therefore, the photocatalytic sterilization performance is enhanced.

The invention discloses a nickel-loaded hierarchical porous SAPO-34 catalyst and a preparation method and application thereof.The method comprises the steps that an aluminum source is added into a water solution of a phosphorus source, stirring is conducted, then a template agent and a silicon source are added, stirring and uniform mixing are conducted, and a precursor solution is prepared; carrying out hydrothermal reaction treatment on the precursor solution, and calcining a product to prepare an original SAPO-34 carrier; the preparation method comprises the following steps: putting an original SAPO-34 carrier into an organic acid solution, stirring, and drying and calcining to obtain an acid-treated SAPO-34 carrier; and adding the SAPO-34 carrier subjected to acid treatment into a Ni (NO3) 2 solution, fully stirring and uniformly mixing, drying, and carrying out heat treatment to obtain the nickel-loaded hierarchical porous SAPO-34 catalyst. The method is simple in process and reasonable in design, the catalyst has an excellent hierarchical porous structure and appropriate surface acidity, the reaction activity and selectivity of the catalyst are effectively improved, and the reaction energy efficiency is effectively improved.

The invention discloses a Ni / Co (HHTP) MOF electrode material, a preparation method of the Ni / Co (HHTP) MOF electrode material and application of the Ni / Co (HHTP) MOF electrode material in preparation of an electrochemical aptamer sensor for detecting escherichia coli O157: H7, and belongs to the technical field of harmful microorganism detection. The electrochemical aptamer sensor is prepared by modifying a rod-like Ni / Co (HHTP) MOF material onto a glassy carbon electrode. The electrochemical aptamer sensor disclosed by the invention can efficiently and specifically capture escherichia coli O157: H7, and can be used for rapidly and sensitively detecting escherichia coli O157: H7 in food; compared with a traditional bacterium detection method, the method has good selectivity, storage stability and reproducibility, the detection limit is low, the detection time is short, a new thought is provided for detection of food-borne pathogenic bacteria, and the method has good application prospects.

The invention discloses a preparation process of a chitosan-manganese oxide composite photocatalyst for activating PMS, which comprises the following steps: (1) adding chitosan into a mixed solution of ethanol and water, and carrying out ultrasonic treatment to obtain a uniform dispersion system marked as a solution A; (2) adding KOH into the solution A under a stirring condition, and stirring to obtain a solution which is marked as a solution B; (3) dissolving KMnO4 in water to obtain a solution which is marked as a solution C; and (4) adding the solution B into the solution C under stirring, carrying out a synthetic reaction by adopting an oil bath method or a hydrothermal method, cooling a product to room temperature, washing for multiple times to obtain a solid, drying overnight, and grinding the dried solid to obtain the photocatalyst. The photocatalyst which is low in cost, environmentally friendly and easy to prepare is combined with an advanced oxidation technology, PMS is activated through the photocatalyst, a system with strong oxidizing property is formed, and the photocatalyst has great application potential in degradation of dye pollutants in actual water.

The utility model relates to building structure technical field, specifically disclose a large-span steel wood truss structure for roof, include: end support block, it sets up in steel wood truss structure both ends, and is connected with building foundation structure, the end support block one side is arranged as the support of adapting with butt joint truss, and butt joint truss, standard truss and arc truss connection constitute truss main body structure, the support of end support block and the installation groove inlayed connection of butt joint truss one end. This large-span steel wood truss structure for roof, the inlayed connection cooperation structure of butt joint truss and end support block is filled with structure glue, utilizes the deformation adaptability of inlayed surface friction and glue, and the initial deformation difference of steel wood interface is buffered, and the node steel bar group of positioning frame one both sides is passed through the axial force transmission of the gripping force of steel bar and component, and positioning bolt one passes through radial constraint and limits lateral deformation, and the force flow interference is avoided by the staggered distribution of both, and stress concentration is reduced.

The application discloses microcrystalline cellulose used as a tablet excipient and a preparation method and application thereof, and belongs to the technical field of microcrystalline cellulose preparation. The preparation method comprises the following steps: dispersing dissolving pulp in water, defibrating, screening and drying to obtain short fibers; dispersing the short fibers in water and performing ultrasonic treatment, wherein the ultrasonic frequency is 20-30 kHz, the ultrasonic power is 350-650 W, and the ultrasonic treatment time is 3-10 min; performing acid hydrolysis on the short fibers after the ultrasonic treatment, then filtering, washing the filter residue and drying, and thus the microcrystalline cellulose is obtained. The microcrystalline cellulose obtained by the application has small particle size and high crystallinity; when the microcrystalline cellulose obtained by the preparation method is directly used for tablet compression to prepare ibuprofen tablets, the ibuprofen tablets exhibit low friability, high hardness, short disintegration time and high dissolution rate, and have a good application prospect.

The invention belongs to the field of fluorescent dyes and surface chemical modification, and particularly relates to a selective mercury ion detection material. The selective mercury ion detection material has a structure as shown in a formula I, wherein R1, R2, R3, R4, R5, R6, R7 and R8 are defined in the specification. The invention designs and develops a mercury ion detection adsorption material based on a high-performance Hg < 2 + > fluorescent probe Hg410, through high-selectivity and high-sensitivity detection of Hg < 2 + > by the Hg410, the Hg410 is modified and introduced into the surface of a mesoporous material to obtain a selective mercury ion detection material SiO2-Hg410, and detection of mercury ions in the environment is realized. # imgabs0 #

The invention relates to a method for preparing a catalytic material, which comprises the following steps: S0, discharging and disassembling a waste battery to obtain a negative plate; s1, carrying out first acid treatment on the negative electrode plate, and then carrying out solid-liquid separation to obtain a negative electrode material; s2, mixing titanium dioxide, inorganic alkali and the negative electrode material, and reacting to obtain a mixed product; and S3, carrying out second acid treatment on the mixed product, and collecting a solid-phase product. According to the method provided by the invention, the purity and performance of the negative electrode material in the waste battery can be further improved, and the negative electrode material is mixed and reacted with titanium dioxide and inorganic base, so that the prepared catalytic material has excellent pore volume and specific surface area and high purity; the catalytic material provided by the invention has remarkable advantages when being used for degrading organic pollutants, the organic matter degradation rate is high, and the material loss after reaction is less.

The present invention discloses a composition for improving mitochondrial activity and activating cell energy, and its preparation and medical and cosmetic applications. The composition includes: citrulline, sodium DNA, taurine, arginine / lysine polypeptide, coenzyme Q10, NAD+, creatine, adenosine, ATP, glutamine, inositol, carnosine, glutathione, etc. The present invention activates cells and replenishes energy to improve skin cell vitality from the aspects of improving skin microcirculation, activating mitochondrial function, supplementing nutrition, and maintaining cell metabolism stability through a specific combination. The composition is applied in dermatology to provide energy for important cell functions such as cell renewal and wound repair, and accelerate wound healing; it is applied in skin beauty to fill skin cells with energy, and can effectively improve the volume, depth and area of ​​crow's feet, improve skin roughness, and improve skin elasticity, firmness and glossiness.