1065results about How to "Achieve hybrid" patented technology

This invention relates to a method for preparing olivine-type phosphate-series lithium ion battery anode material. The method comprises: mixing one or more of ferrous salt solution, cobalt salt solution and manganese salt solution with oxalic acid or oxalate (precipitating agent) aqueous solution to obtain composite oxalate precursor, uniformly mixing with lithium source and phosphorus source by ball milling, and reacting in inert or weak-reductive atmosphere to obtain olivine-type phosphate-series lithium ion battery anode material. The method utilizes co-precipitation method for metal ion doping, and realizes molecular level uniform mixing among different ions. The obtained olivine-type phosphate-series lithium ion battery anode material has uniform chemical and physical compositions. The average particle size can be controlled within 0.3-10 mu.m. The first charge and discharge cycle specific capacity can reach 150 mAh/g at 0.1 C rate and room temperature. The livine-type phosphate-series lithium ion battery anode material has such advantages as high cycle performance and high charge/discharge performance.

The invention discloses a preparation method of an in-situ doped and modified nickel cobalt manganese lithium oxide positive material. The preparation method of the in-situ doped and modified nickel cobalt manganese lithium oxide positive material is characterized by introducing metal elements in the process of preparing a nickel cobalt manganese precursor to stabilize the structure and implementing atom-scale mixing of doped elements and main elements in the process of preparing the precursor. Compared with the solid phase surface doping, the method can be used for stabilizing the material structure as a whole, so that the sintered positive material is relatively high in stability under the high voltage, thereby working under the relatively high voltage; the battery capacity is greatly improved; meanwhile, the cycle performance is greatly improved; by virtue of the preparation method of the positive material, a process of producing the precursor and a process of doping in the later period are integrated, so that the preparation process is simplified; the cost is saved; the raw materials are bulk chemical products; the industrialization is liable to implement.

An electrode material of Fe¿CLi phosphate and its composite metal phosphate is electrode material of LiFePO4 and LiFePO4 / MxP in high density spherical shape with diameter of 2micro m. The electrode material of LiFePO4 and LiFePO4 / MxP can be prepared by low ¿C temperature controllable one ¿C stage atomizing process in short flow.

The invention relates to a character detection and recognition method for boarding pass information verification, and belongs to the field of computer vision. The method comprises the following steps:S1, reading a boarding pass image, and obtaining a boarding pass test image and a training image; S2, positioning each text block through a text line detection method of a multi-task full convolutional neural network model based on a fuzzy region; S3, through text recognition model learning based on a CTC and a self-attention mechanism, realizing recognition of a text line, namely a positioned text block; S4, establishing a boarding pass common text library so as to learn an n-gram language model, and assisting in optimizing a text line recognition result. The boarding pass character information is automatically detected and recognized, Chinese and English mixed text line recognition is achieved, and more comprehensive personal information is obtained.

The invention discloses a carbon-coated granularity controllable sphere lithium iron phosphate compound anode material and a preparation method thereof, the steps of the preparation method is as follows: 1) the Fe<3> compound is weighted according to mol ratios as below: 1.95-2.05 of the Fe<3> compound, 1.95-2.05 of lithium source compound, 0.01-0.2 of phosphorus source compound and 2 of carbon source; 2) defined amount water is added into the Fe<3> compound, the lithium source compound, the phosphorus source compound and the carbon source, and is mixed and placed into a stirring grinder for grinding, thus obtaining precursor solution; 3) a precursor solution is granulated by spraying and drying for obtaining yellow precursor solution powder; 4) the precursor solution powder is calcined under the condition of atmosphere protection and is cooled. By adopting the spraying and drying, the obtained sphere powder granularity is evenly distributed and the size of the granularity can be adjustable; glucide is taken as the carbon source, thus achieving the purpose of thinning the particles and improving the product purity and performance; and the synthesis technique is simple, the source of the raw material is wide, thus greatly reducing the manufacturing cost.

The invention provides a fresh air conditioner and a comfortable air supply control method thereof. The comfortable air supply control method comprises the steps of receiving an operation instructionof a fresh air mode, and starting the fresh air mode; detecting an indoor environment temperature and an outdoor environment temperature; judging whether the absolute value |delta T| of the temperature difference between the indoor environment temperature and the outdoor environment temperature is greater than or equal to a first preset temperature or not; and if yes, automatically starting an airconditioner mode to exchange heat with indoor air, mixing the indoor air subjected to heat exchange with outdoor fresh air, and enabling mixed air to flow into a room. Under the condition that the indoor and outdoor temperature difference is large, the air conditioner mode is automatically started to exchange heat with indoor air, the indoor air subjected to heat exchange through the heat exchanger can be mixed with the introduced outdoor fresh air, the situation that the indoor temperature is too low or too high due to introduction of the outdoor fresh air is avoided, and the comfort degreeof a human body is improved; and no extra heat exchanger needs to be added for heat exchange of the outdoor fresh air, universality is good, and implementation is easy.

The invention discloses a nano-composite positive material LiFePO4/C and a fabrication method, relating to a fabrication method of positive material of a lithium-ion battery. The invention uses the method of liquid-phase coprecipitation, the certain amount of lithium resource, iron resource and phosphate resource is weighted as the quality mol ratio of Li:Fe:P = (3.0-3.3):(1.0-1.1):(1.0-1.1), and the appropriate amount of carbon-doped material and organic surfactant is added in the reaction vessel; by controlling the reaction conditions like concentration, temperature etc. of the reaction solution, precursor gels are fabricated, and the precursor gels are separated, cleaned, filtered and dried to obtain precursor powder; the precursor powder is tableted and put into the crucible with microwave absorbent, and then the crucible is placed in the microwave oven, with the microwave power controlled between 100 to 600W and heated for 30 min, to obtain nano-sized composite positive material LiFePO4/C. The technique method in the invention has the advantages of short periods, saved energy consumption, ease to control the process, suitability for industrialization and so on. The composite positive material LiFePO4/C fabricated in the invention is characterized by high purity, small particle size lower than 100 nm, and good electrochemical properties.

The invention relates to an asphalt stirring device for building construction. The asphalt stirring device comprises a stander and a stirring tank, wherein two support shafts are symmetrically arranged in the middle of the outer surface of the stirring tank and are rotatably connected with support arms on two sides of the stander, and one support shaft is connected with an inverted motor; a stirring shaft is arranged in the stirring tank, the upper end of the stirring shaft is connected with a variable frequency motor located above the stirring tank, a plurality of stirring device are uniformly distributed on the stirring shaft and comprise mounting rods, one ends of the mounting rods are fixedly connected with the stirring shaft, the mounting rods are sleeved by reset springs, one ends of the reset springs are fixedly connected with the stirring shaft, sliding blocks are fixedly connected to the other ends of the reset springs, and the mounting rods are sleeved by the sliding blocks. The asphalt stirring device has the beneficial effects that the inverted motor can drive the stirring tank to rotate by 180 degrees, and then materials at the bottom of the stirring tank are transferred to the top, so that the substantial overturning of the materials is realized, and the effective mixing of the materials is realized.

The invention discloses a valveless piezoelectric micromixer for synthesizing jet, comprising a pump cover and a pump body which are bonded together, wherein two synthesis jet chambers are communicated with a relative inlet mixing flow path and a outlet mixing flow path, a first piezoelectric vibrator is fixed right above the pump cover, each of a second piezoelectric vibrator and a third piezoelectric vibrator is fixed right below the two synthesis jet chambers respectively, the inlet mixing flow channel and the outlet mixing flow channel are Y-type mixing flow channels each of which is composed of two shunting flow channels and a shunting flow channel, a jet synthesis exciter is arranged on the bottom of the mixing flow channel of the micromixer, fluid flow in the mixing flow channel is interfered by periodically ejecting and absorbing fluid by synthesis jet, and alternating voltage signal applied on the piezoelectric oscillator is regulated to implement large-range controllable mixing of mixed effect and mixed time.

The invention discloses an alkylation reactor and an alkylation reaction method. The reactor comprises a reactor tube body, closure heads, a revolving bed, a charging pipe, a charge distribution pipe, a discharging opening, a circulating cooling gas inlet, a circulating cooling gas outlet and a circulating cooling gas refrigeration system, wherein a shell body is formed by the reactor tube body and the closure heads, the revolving bed is arranged at the internal middle part of the shell body and is connected with a driving device through a revolving shaft, the charge distribution pipe is arranged in a hollow tube structure of the center of the revolving bed and is communicated with the charging pipe, the discharging opening is formed in the lower part of the shell body of the reactor, a sealing member is arranged between the upper part of the revolving bed and the shell body, static components and revolving components are sequentially arranged at the radial outer side of the revolving bed, and the circulating cooling gas refrigeration system is located between the circulating cooling gas inlet and the circulating cooling gas outlet. According to the alkylation reaction method disclosed by the invention, alkylation reaction is carried out by taking concentrated sulfuric acid as a catalyst and taking isobutane and alkene as raw materials. According to the alkylation reactor and the alkylation reaction method, the alkylation reaction can be carried out at relatively low temperature, the acid consumption is low, the quality of products is high, and the equipment scale is small.

The invention discloses a powder-liquid container and manufacturing method, which is composed of sealed bag with two bag film on the periphery, wherein the bag possesses at least one powder chamber with antibiotics and liquid chamber with aseptic solution, which is separated by separating part, the separating part is connected by bag film through strippable welding structure, two external sides of bag film of powder chamber possesses a layer of baffle film.

The invention discloses a sectional feeding type alkylation reactor and an alkylation reaction method. The reactor comprises a reactor barrel body, a seal head, a separating plate, an upper bed layer, a lower bed layer, a feeding pipe, a fed material distributing pipe, a rotating shaft, a supplementing material inlet, a discharging opening, a circulating cooling air inlet and a circulating cooling air outlet. The invention further provides the alkylation reaction method adopting the sectional feeding type alkylation reactor. The alkylation reaction method comprises the following steps: preparing acid hydrocarbon emulsion through iso-butane and concentrated sulfuric acid in the upper bed layer, and then entering a rotating bed at the lower bed layer together with mixed hydrocarbon which enters through a supplemented material inlet, so as to perform alkylation reaction.

The invention provides a high-adjustment-ratio water-cooling premixed combustion high-strength heat exchange gas condensation boiler. The high-adjustment-ratio water-cooling premixed combustion high-strength heat exchange gas condensation boiler comprises a combustor and a heat exchanger, wherein the full-premixed combustor mounted in the center of a boiler top plate consists of a booster fan, a premixing chamber and a water-cooling combustion head; a flame stabilizing pipe and an anti-tempering column of the water-cooling combustion head can realize high-adjustment-ratio water-cooling premixed combustion; the heat exchanger consists of a lap of water-cooling wall and one or more laps of fins uniformly arranged in the peripheral direction by bent edge folding fin pipes; an air blower feedsair into the premixing chamber for fully mixing with gas to enter an inner cavity of a hole plate of the combustion head; the air flows out from a fire hole, and is sprayed out from narrow gaps amongthe water-cooling pipes distributed in the peripheral direction; after the air flows out from the flame stabilizing pipe, the air is ignited to uniformly combust in the peripheral direction and the axial direction, and radiates and releases heat to an inner pipe ring; smoke flushes base pipes and fins of inner and outer ring fin pipes in sequence to reinforce heat exchange; and the smoke downwards flows into a dew bearing disc through gaps between a housing and an outer layer fin pipe, and is exhausted into atmosphere from a smoke outlet. The high-adjustment-ratio water-cooling premixed combustion high-strength heat exchange gas condensation boiler is high in combustion load adjustment ratio, compact in heat exchange, low in nitrogen emission and high in heat efficiency.

The invention provides a method for preparing a graph on a GaN substrate, which can greatly improve internal quantum efficiency, light emitting efficiency and heat conductivity of a light emitting diode (LED) chip. The method comprises the following steps of: generating a graph template on the surface layer of the GaN substrate by using a mask of a micro/nano graph, a lithographic technology, a nano impression technology or an aluminum oxide graph transfer technology, and then preparing a graphical structure capable of realizing stable micro and submicron scales and favorable for emitting light by using a graphical etching technology. The substrate can greatly improve the light emitting efficiency and the heat conductivity of the LED chip and has excellent performance.

The invention discloses a high-efficiency coating stirring and mixing machine. The high-efficiency coating stirring and mixing machine comprises a fixed base, wherein two corresponding locating guideplates are vertically and fixedly arranged at both ends of the surface of the fixed base; two corresponding slide rails are fixedly arranged at the inside surfaces of the two locating guide plates; aslide support base is fixedly arranged on the two slide rails, and a stirring mechanism is vertically and fixedly arranged at the lower end of the slide support base; a stirring tank is fixedly arranged at the surface of the fixed base, a first gear and a second gear are fixedly arranged on the fixed base, and are engaged together, a screw rod is fixedly arranged on the second gear and penetratesthrough the slide support base, and the screw rod drives the slide support base to move up and down along the slide rails in the vertical direction. The high-efficiency coating stirring and mixing machine has the advantages that by arranging the stirring mechanism, stirring rods are respectively arranged in the middle part and both sides of the stirring mechanism, and the stirring rods at the twosides can rotate around the center, and can also rotate around the self axis, so that the stirring efficiency is improved; the materials in the middle part and both sides of the stirring tank can be simultaneously mixed, so that the materials can be more uniformly mixed.

The invention relates to a doped small-particle size lithium nickel cobalt manganese oxide positive electrode material and a precursor thereof and preparation methods of the doped small-particle sizelithium nickel cobalt manganese oxide positive electrode material and the precursor. A small-particle size hydroxide precursor is produced by adopting a nucleation coprecipitation method; a chemical general formula of the precursor is mA/Ni<x>Co<y>Mn<1-x-y>(OH)<2>, wherein x is smaller than or equal to 0.5 and greater than or equal to 0.3; y is smaller than 0.5 and greater than or equal to 0.1; Ais one or more of zirconium, magnesium, titanium and aluminum; m represents the mass fraction m% of the element A in the total mass of the nickel cobalt manganese hydroxide precursor; m is smaller than or equal to 0.5 and greater than or equal to 0.05; the particle size D10 is greater than or equal to 1.5 microns and smaller than or equal to 4.0 microns; the particle size D50 is greater than or equal to 2.0 microns and smaller than or equal to 5.0 microns; the particle size D90 is smaller than or equal to 8 microns; the specific surface area is smaller than or equal to 30m<2>/g; and the tap density TD is greater than or equal to 1.3g/cm<3> and smaller than or equal to 2.0g/cm<3>. The precursor has the characteristics that the elements are uniformly distributed, the shapes of the particlesare spherical or quasi-spherical, the specific surface area is controllable, the tap density is relatively high and the precursor is high in cycle life after being sintered and high in capacity.

The invention relates to a preparation method of ion-doped double perovskite structure tungsten molybdate oxide powder. The preparation method is implemented through gelatinization and redox reaction of metal nitrate, tungsten ammonium molybdate, citric acid and ethylene diamine tetraacetic acid (EDTA) by a sol gel combustion synthesis method, wherein the citric acid and the EDTA serve as complexing agents. The prepared powder is a double perovskite component shown in the following formula: (A1-xMex)2B(Mo1-yWy)O6 or A2(B1-xMex)(Mo1-yWy)O6, wherein A is at least one of Ba, Sr or Ca; B is one of Ca, Mg, Ni, Fe, Co or Zn; A and B are not Ca at the same time; Me is one or two of rare elements or transition metal elements; x is more than or equal to 0.0 and less than or equal to 0.5; and y is more than or equal to 0 and less than or equal to 1. According to the prepared powder, single-phase ion-doped tungsten molybdenum substituted double perovskite oxide powder can be obtained under the conditions of low temperature and short heat-preserving time; test period is greatly shortened; cost is greatly reduced; and the method is particularly suitable for preparing rare earth-doped luminescent materials, magnetic resistance materials and the like with the structure type.

The invention discloses a concrete mixing device for construction, which comprises a support platform, on which a portal frame is vertically and fixedly installed, a driving pulley is fixedly installed on the upper end of the driving shaft, and a flat belt and The flat belt connected by the driving pulley transmission; the bottom of the support platform is horizontally fixed with a cylindrical conveying barrel, and a conveying shaft is installed horizontally in the cylindrical conveying barrel, and a conveying pipe is installed between the cylindrical conveying barrel and the sleeve barrel. There is a valve, the invention realizes the full mixing of the concrete through the reverse rotation of the mixing bucket and the mixing blade, and the spiral lifting blade lifts and flips the concrete at the bottom of the mixing bucket, which promotes the full mixing effect of the concrete; the rotation of the scraper impacts the inner wall of the mixing bucket The adhered concrete is scraped off to realize the comprehensive mixing of the concrete. The spiral blade can transport the concrete and play the role of rotating and mixing again, making the concrete more fine and uniform.

The invention discloses a preparation method of an ultrathin high-strength polyolefin microporous film. Polyolefin resin is used as a raw material, and the polyolefin microporous film is prepared by a thermally induced phase separation principle. The method comprises the following steps: a. polyolefin swelling dissolving; b. sheet casting; c. stretching a polyolefin cast film once; and d. stretching the polyolefin cast film secondarily. The invention also discloses the polyolefin microporous film prepared by the method. The method has the advantages of semi-continuous production convenience, simple process flow and simplicity in operation.

The invention discloses a production method of calcium peroxide particles for slowly releasing oxygen. The production method of the calcium peroxide particles for slowly releasing the oxygen comprisesthe steps of using calcium peroxide powder as an oxygen releasing agent, using polylactic acid particles as an embedding medium, using dichloromethane as an intermediate medium for dissolving the polylactic acid particles, after the dissolved polylactic acid particles and the calcium peroxide powder are completely mixed, conducting volatilizing under a ventilation condition to remove the dichloromethane, placing an obtained mixture in a tubular mold after the mixture is in a gelatinous semi-solid state, and conducting extrusion molding and shearing balling to finally obtain the calcium peroxide particles for slowly releasing the oxygen after the dichloromethane is completely volatilized. By means of the production method of the calcium peroxide particles for slowly releasing the oxygen, the calcium peroxide powder and the polylactic acid particles can be completely mixed and embedded, the oxygen release speed of the calcium peroxide in water can be effectively controlled, and in the production process, loss, due to contact between the calcium peroxide and the water, of an oxygen releasing component is avoided. The produced calcium peroxide particles for slowly releasing the oxygencan slowly and continuously release the oxygen in the water, and meanwhile, due to the biodegradability of the PLA, no secondary pollution is generated during material use.

The invention discloses a sectional feeding alkylation reactor and an alkylation reaction method. The reactor comprises a reactor barrel, seal heads, a partition plate, an upper bed layer, a lower bed layer, a feeding pipe, a feeding distributing pipe, a rotary shaft, a supplementing material inlet, a discharging opening, a circulating cooling gas inlet, a circulating cooling gas refrigerating system and a circulating cool gas outlet. The invention further provides the alkylation reaction method. The method comprises the following steps: as the sectional feeding alkylation reactor is adopted, firstly forming an acidic hydrocarbon emulsion in the upper bed layer from iso-butane and concentrated sulfuric acid; and then carrying alkylation reaction on the acidic hydrocarbon emulsion and mixed hydrocarbon entering from the supplementing material inlet in a lower bed layer rotary bed. According to the alkylation method disclosed by the invention, by taking the concentrated sulfuric acid as a catalyst and the iso-butane and olefin as raw materials, the alkylation reaction is carried out. The alkylation reaction disclosed by the invention can be carried out at a low temperature, so that the reactor is low in acid consumption and small in equipment scale.

The invention discloses a flax thick yarn supercritical CO2 biological enzyme scouring device and a scouring method thereof. Flax thick yarn is placed in supercritical CO2 fluid where a biological enzyme scouring agent is dissolved, flax fibers are swollen for 10-30 min at 30-40 DEG C and 8-15 MPa; the flax thick yarn is scoured for 30-60 min under dynamic conditions of a flow velocity of supercritical CO2 at 10-50 g/min at 40-60 DEG C and 15-25 MPa; the flax thick yarn is processed through a scouring-separation combined process for 10-30 min at 40-60 DEG C and 15-25 MPa; after the scouring, the weight loss rate of the flax thick yarn is 6-12%, the residual gum rate is 7-15%, the single fiber breaking strength is 6-13 cN/dtex, and the elongation at break is 4.5-8.5%. The whole scouring process is free of pollution and has zero release, requirements of commercialized production are met, and the modern life idea of fashionable bast fiber spinning and green bast fiber spinning is embodied.

The invention provides a direct on-line molding apparatus for long fiber-reinforced thermal plastics. The direct on-line molding apparatus comprises a steel platform, an extruding device, a metering feeding device and a glass fiber adding device, wherein the extruding device comprises an extruder, the central part of the extruding device is provided with a glass fiber introducing port, and the glass fiber adding device comprises a glass fiber heating device arranged above the glass fiber introducing port. According to the invention, only one extruder is arranged, a glass fiber enters the central part of the extruding device, is cut by a screw and is then directly mixed with a master batch, so intermediate transition distance does not exist; through additional installation of the glass fiber heating device, moisture in the glass fiber is removed and the glass fiber undergoes preheating treatment, which is more beneficial for mixing of the glass fiber and the master batch and for improvement of product quality; the addition amount of the glass fiber is controlled through the rotating speed of the screw of the main engine; when the amount of the introduced master batch is constant, the rotating speed of the screw is increased, the addition amount of the glass fiber is increased accordingly, so the content of the glass fiber is increased, or otherwise, the content of the glass fiber is decreased.

The invention consists of a motor, three clutches, three brakes, a pair of constant mesh gears, four front and back planet rows, an output shaft and an engine. The output shaft of the motor is connected with the front and back solar wheels. The engine is connected with the driving gear via the clutch of the engine, and the driven gear is integrated with the front planet frame and the back gear ring. The output shaft is connected with the front gear ring or the back planet frame via the front gear ring clutch and the back planet frame clutch. Using the different state combination of three clutches and three brakes can realize many kinds of working modes of the motor vehicles.