168results 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 spherical cerium dioxide loaded copper oxide nano-catalyst and a preparation method and application thereof, the preparation method comprises the following steps: dispersing spherical cerium dioxide in ethanol to obtain a dispersion liquid; adding a copper nitrate solution into the dispersion liquid, and stirring for a period of time to obtain a mixed solution; and drying the mixed solution by distillation, drying and roasting to obtain the spherical cerium dioxide loaded copper oxide nano-catalyst. The active component of the spherical cerium dioxide loaded copper oxide nano-catalyst adopts the loaded copper oxide nano-particles, has good catalytic activity and improves the reaction rate, in addition, the spherical cerium dioxide is adopted as the carrier, has excellent specific surface area and good structural stability, can improve the dispersity of the active component, and can improve the catalytic activity of the catalyst. And the catalyst has high chemical stability and thermal stability, can maintain good catalytic performance at high temperature and high pressure, and prolongs the service life of the catalyst.

The invention discloses a preparation method of an MOF (Metal Organic Framework) toluene adsorbent, relates to a preparation method of a toluene adsorbent, and aims to solve the technical problems of poor selectivity and poor adsorption effect of the existing activated carbon adsorbent for removing indoor toluene. The preparation method of the MOF type toluene adsorbent comprises the following steps: mixing ferric nitrate nonahydrate, 1, 3, 5-benzene tricarboxylic acid and formic acid, transferring the mixture into a high-pressure kettle with a polytetrafluoroethylene lining, keeping for 10-12 hours at the temperature of 120-130 DEG C for hydrothermal reaction, and then washing and drying to obtain the MOF type toluene adsorbent. The methylbenzene removal rate reaches 80% or above, and the catalyst can be repeatedly used for at least five times and can be used in the field of environmental monitoring.

The invention discloses a scratch-resistant and wear-resistant silk-screen cold-stamping gold foil and a preparation process thereof, and belongs to the technical field of cold-stamping films. The scratch-resistant and wear-resistant silk-screen cold-stamping gold foil comprises a base film layer, a release coating coated on the base film layer, an imaging coating coated on the release coating, an aluminum layer plated on the imaging coating, and a protective coating coated on the aluminum layer, the imaging coating is prepared from the following raw material components in parts by weight: first composite acrylic resin, 800-1200-mesh bronze powder or toner, butanone and ethyl acetate; the protective coating is prepared from the following raw material components in parts by weight: second composite acrylic resin and xylene; the first composite acrylic resin is obtained by compounding a first acrylic resin copolymer and an antioxidant diphenylethylenediamine; the first acrylic resin copolymer is obtained by carrying out copolymerization on methyl methacrylate, hydroxyethyl methylacrylate, butyl acrylate and 3-allyl-2-hydroxybenzaldehyde.

The invention discloses a double transition metal / chitosan-based carbon aerogel composite material and a preparation method and application thereof.The method comprises the steps that a nitrogen source and transition metal salt are added into a hydrochloric acid solution of chitosan, stirred, dissolved and evenly dispersed to prepare a mixed solution, the mixed solution is subjected to freeze drying, and the double transition metal / chitosan-based carbon aerogel composite material is obtained. Chitosan aerogel containing transition metal and a nitrogen source is prepared; the transition metal salt is any two of ferric salt, cobalt salt and nickel salt; the chitosan aerogel containing the transition metal and the nitrogen source is placed in a methanol solution of 2-methylimidazole, after vibration treatment and drying, the chitosan aerogel is placed in a nitrogen atmosphere to be subjected to heat treatment, and the double-transition-metal / chitosan-based carbon aerogel composite material is prepared. The preparation method is simple and reasonable in design, the prepared material has good specific surface area and porosity, the formed metal-nitrogen double active center effectively improves the adsorption performance of the material, and the material has good catalytic performance.

The invention provides a sodium ferric sulfate composite positive electrode material and a preparation method and application thereof. The porosity of the sodium ferric sulfate composite positive electrode material is 0.1%-10%, the compaction density is 2.1-3g / cm < 3 >, the specific surface area of the sodium ferric sulfate composite positive electrode material is 5-12m < 2 > / g, and the mass percentage of a sodium-rich impure phase in the sodium ferric sulfate composite positive electrode material is 0.1%-1%. According to the invention, the charge-discharge capacity, the first coulombic efficiency and other performances of the battery can be improved.

The invention relates to the technical field of microorganisms, in particular to bacillus thuringiensis ZL-5, a compost biological agent as well as a preparation method and application of the compost biological agent. The preservation number of the bacillus thuringiensis ZL-5 is CCTCC (China Center for Type Culture Collection) NO: M 20241070. According to the method, the leafy vegetable waste is used as a main material, the straw is used as an auxiliary material, the provided composting biological agent is added to compost the leafy vegetable waste, the temperature of a compost body can be increased to 60 DEG C or above in the 2th day and can be kept at the high-temperature period of 6-8 days, and the leafy vegetable waste is completely decomposed about the 20th day. In a compost body added with the biological agent, the percentage value of Hu-rich and the percentage value of humic acid are 9.0%-12% and 20%-30% respectively, after composting, the leaf vegetable organic fertilizer remarkably improves the germination index of lettuce seeds, and biochemical humic acid remarkably promotes the dry quality, plant height, chlorophyll content and leaf area of the overground part, the dry weight of the underground part and the total root tip number of the lettuce.

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.

The high-viscosity polymerization reaction device comprises a high-viscosity reaction kettle, a discharging machine, a circulating pump, a feeding machine and a feeding pump, a discharging opening in the bottom of the high-viscosity reaction kettle is connected with a feeding opening of the discharging machine, a screw of the discharging machine extends into the high-viscosity reaction kettle, a first discharging opening of the discharging machine is connected with a feeding opening of the circulating pump, and a second discharging opening of the discharging machine is connected with a feeding opening of the feeding pump. A feeding port, close to the upper end, of the side portion of the high-viscosity reaction kettle is connected with a discharging port of the feeding machine, a circulating pipeline used for achieving whole material external circulation is arranged between a discharging port of the circulating pump and a feeding port in the bottom end of the feeding machine, a feeding screw rod is arranged in the circulating pipeline, external reinforced circulating stirring is formed, and the feeding screw rod is connected with the high-viscosity reaction kettle. The high-viscosity polymerization reaction device disclosed by the utility model can effectively solve the problem of non-uniform mass transfer and heat transfer of the high-viscosity polymerization reaction, and can effectively control the reaction operation conditions, accurately monitor the viscosity change of the polymerization reaction, improve the quality of the polymerization reaction, reduce the production cost and improve the production efficiency. Therefore, the product quality is ensured.

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.

The invention provides a detection method for determining nitrosamine compounds in cold medicines based on gas chromatography-tandem mass spectrometry. The detection method comprises the following steps: (1) preparing a standard stock solution; (2) preparing a standard series stock solution; (3) injecting the standard series stock solution into a gas chromatograph-mass spectrometer for detection to obtain a standard mass chromatogram of the corresponding nitrosamine compound, and taking the quantitative ion pair peak area of the nitrosamine compound as a vertical coordinate and the concentration of the nitrosamine compound in the standard series stock solution as a horizontal coordinate to obtain a standard working curve; (4) sample extraction; and (5) injecting the purified sample into a gas chromatograph-mass spectrometer to obtain a mass chromatogram of the purified sample, and if a chromatographic peak corresponding to a standard mass chromatogram exists in the mass chromatogram of the purified sample, substituting the chromatographic peak into the standard working curve to obtain the type and content of the nitrosamine compound in the purified sample. The detection method is high in precision, high in speed and accurate in result.

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 discloses microcrystalline cellulose used as a tablet auxiliary material and a preparation method and application thereof, and belongs to the technical field of microcrystalline cellulose preparation. The preparation method provided by the invention comprises the following steps: dispersing dissolving pulp in water, defibering, screening and drying to obtain short fibers; the short fibers are dispersed in water for ultrasonic treatment, the ultrasonic frequency ranges from 20 kHz to 30 kHz, the ultrasonic power ranges from 350 W to 650 W, and the ultrasonic treatment time ranges from 3 min to 10 min; performing acid hydrolysis on the short fibers subjected to ultrasonic treatment, then filtering, washing filter residues, and drying to obtain the composite material. The obtained microcrystalline cellulose has small particle size and high crystallinity, and when the microcrystalline cellulose obtained through the preparation method is directly tableted to prepare the ibuprofen tablet, the ibuprofen tablet shows low friability, high hardness, short disintegration time and high dissolution rate and has good application prospects.

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 invention discloses a VOCs adsorption tower applying a honeycomb type concentration system, and relates to the technical field of waste gas treatment, the VOCs adsorption tower comprises an adsorption tower, a gas inlet, a steam mechanism, a beating mechanism, a second conveying pipe, a one-way valve, a catalytic combustion box, a spraying mechanism, a suction pump, a third conveying pipe, a three-way valve, a connecting pipe, a storage box and a detection mechanism; the left side of the front end of the adsorption tower is fixedly connected with an air inlet, the top of the adsorption tower is fixedly connected with a steam mechanism, and the steam mechanism is arranged, so that cracking and expansion of micro-pore channels in honeycomb-shaped activated carbon are accelerated through steam, the desorption efficiency is improved, and meanwhile, growth of pore walls and formation of pore structures are promoted; the specific surface area and the pore volume of the honeycomb-shaped activated carbon are increased, the adsorption performance of the honeycomb-shaped activated carbon is improved, the steam temperature is reduced through external water, excessive dryness is prevented, the structural integrity of the honeycomb-shaped activated carbon is protected, the heating rod stops working through the first control switch, accidents caused by overheating are prevented, and the safety of operators and equipment is protected.

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.

The utility model discloses a boom type sprayer, which relates to the technical field of agricultural equipment and comprises a moving plate, a movable groove is arranged at the top end of the moving plate, a control motor is mounted at the bottom of the moving plate, a rotating table is movably mounted on the inner side of the movable groove, and pulleys are mounted at the bottom of the rotating table. And a limiting ring is mounted on the outer side of the rotating table. The lifting base is fixedly connected with the supporting arm, the supporting arm fixes the supporting shaft on the inner side, the control motor is installed on the top of the supporting arm, the control motor operates to drive the supporting shaft to rotate, the supporting shaft rotates to drive the connecting base to rotate, and the connecting base drives the movable arm to rotate. Accordingly, the angle between the supporting arm and the movable arm is adjusted, folding of the supporting arm and the movable arm is facilitated, the supporting arm and the movable arm fix the spraying assembly at the bottom, stable operation of the spraying assembly is guaranteed, the angle of the two conveying pipes is adjusted along with the supporting arm and the movable arm, and the spraying area is conveniently adjusted.

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.