26results about How to "Shorten activation time" patented technology

The invention relates to the technical field of agricultural product preservation, in particular to a knapsack plasma activated water generating device which comprises a box body, a display module installed on the box body, a large water tank, a small water tank, a plasma activated water generator assembly and a fixing frame, and the large water tank, the small water tank, the plasma activated water generator assembly and the fixing frame are installed in the box body. A second ultrasonic radar liquid level meter is fixedly arranged at the top of the large water tank, and a second ion concentration detection sensor is fixedly arranged at the bottom; a first ultrasonic radar liquid level meter is fixedly arranged at the top of the small water tank, and a first ion concentration detection sensor is arranged at the bottom; a controller is arranged above the small water tank, and a high-voltage power supply and a battery are arranged in the controller. The device is light and handy in design and convenient to carry, the use flexibility is greatly enhanced, and the surfaces of the fruits and the vegetables can be quickly and effectively sterilized, so that the fresh-keeping period of the fruits and the vegetables is remarkably prolonged, the corrosion rate of the fruits and the vegetables is reduced, and the economic benefit is improved.

The invention provides a transmission method and device, a terminal and network equipment. The method comprises the following steps: after a cell activation command, sending a first report to a network; and / or sending first information to a network, the first information being related to the beam; and / or determining a first time, the first time being related to cell activation. By adopting the transmission method provided by the embodiment of the invention, the terminal sends the first report to the network after the cell activation command, and the terminal sends the first information to the network and / or determines the first time, thereby achieving the effect of reducing the activation delay of the secondary cell.

The invention discloses an ultrahigh-burning-speed double-layer ignition sheet in the technical field of thermal batteries, and the ultrahigh-burning-speed double-layer ignition sheet is prepared by the following steps: step 1, slurry preparation: using distilled water to immerse loose asbestos paper until the loose asbestos paper is soft, then crushing the loose asbestos paper, adding zirconium powder, and uniformly mixing to obtain a zirconium powder paper pulp solution; respectively adding barium chloride and potassium chromate into the zirconium powder paper pulp solution in a stirring state to obtain a turbid liquid containing the loose asbestos, the zirconium powder and the barium chromate, performing suction filtration to obtain a mixture containing the barium chromate, the zirconium powder and the loose asbestos, dispersing the mixture in an adhesive, and uniformly stirring to obtain slurry; wherein the mass ratio of the loose asbestos to the barium chloride to the zirconium powder to the potassium chromate is (1-10): (35-45): (15-20): (25-35); and secondly, the slurry prepared in the first step is sprayed on an ultra-high-burning-rate Al-Ni film, drying is conducted for 1.5-2.5 h under the condition of 120-180 DEG C in argon shielding gas, and the ultra-high-burning-rate double-layer ignition sheet is obtained. Compared with the prior art, the ultrahigh-burning-speed double-layer ignition sheet prepared by the invention is higher in burning speed.

The utility model relates to the technical field of humic acid activation, in particular to an efficient activation reaction device. The efficient activation reaction device comprises an activation kettle and a premixing kettle, the premixing kettle is connected with the activation kettle through an inclined connecting pipeline, a hemispherical disperser and a spraying disc are arranged in the activation kettle, a filter is arranged below the inclined connecting pipeline, and the filter is connected with a waste acid liquid collecting tank through a communicating pipeline. According to the device, through the arrangement of the premixing kettle, used low-concentration acid liquor is introduced into the premixing tank to be premixed with a solid phase, the utilization efficiency of the acid liquor is improved, meanwhile, the solid phase is pre-activated, and the activation efficiency of the activation kettle is greatly improved; through the arrangement of the inclined connecting pipeline and the filter, the acid liquor in the premixing kettle is filtered into the waste acid liquor collecting tank, so that the influence of the acid liquor in the premixing kettle on the activation of the acid liquor in the activation kettle is avoided.

The invention discloses a method for preparing a porous nickel electrode by electrodepositing nickel-zinc-phosphorus alloy, which comprises the following steps: taking a nickel-based substrate as a cathode, and carrying out electrochemical deposition reaction in an electrolytic bath filled with an electroplating solution which comprises nickel salt, zinc salt and a phosphorus source; carrying out heat treatment on the nickel-based substrate subjected to electrochemical deposition; and the nickel-based substrate subjected to heat treatment is put into alkali liquor to be activated. The phosphorus source is introduced into the electroplating solution, the phosphorus element can be doped into alloy crystal lattices, and the dissolution efficiency of zinc is improved during activation, so that the residual quantity of the zinc element is effectively reduced, the activation time is shortened, sufficient formation of a porous structure is facilitated on the premise of ensuring the uniformity of the porous structure, the catalytic performance of the electrode is improved, and the service life of the electrode is prolonged. And the residual zinc element is prevented from polluting the electrolyte.

The invention discloses a method for accelerating the activation speed of an electrolysis stack, which comprises the following steps: S1, introducing deionized water to the two sides of hydrogen and oxygen of the electrolysis stack, keeping the temperature of the deionized water to be T0, and keeping the electrode of the electrolysis stack to be fully wet; s2, activating the electrolytic stack by adopting a constant voltage strategy, controlling the average single battery of the electrolytic stack to be V1, controlling the water temperature at the outlet of the electrolytic stack to be T1, and adjusting the hydrogen pressure and the oxygen pressure at the outlet of the electrolytic stack to be P1 and P2 respectively; s3, under the set average single battery V1, along with the increase of the running time, the water temperature at the outlet of the electrolytic stack is gradually increased, the current density is continuously increased, and the hydrogen pressure and the oxygen pressure at the outlet are maintained to be P1 and P2; and S4, stabilizing for a period of time after the water temperature at the outlet of the electrolytic reactor rises to the specified operating temperature Tend until the average single-cell voltage of the electrolytic reactor does not change obviously, and completing the activation operation.

The invention relates to a catalyst for acetylene dimerization reaction as well as a preparation method and application thereof. The invention discloses a catalyst for acetylene dimerization reaction. The catalyst comprises a main catalyst, a ligand and a carrier, the main catalyst is copper chloride; wherein, the ligand is 1-ethyl-2-pyrrolidone, and the ligand is 2-methyl-2-pyrrolidinone; the carrier is coconut shell activated carbon. According to the catalyst for acetylene dimerization reaction as well as the preparation method and the application of the catalyst, water is taken as a solvent, 1-ethyl-2-pyrrolidone is taken as a ligand, and the catalyst has the characteristics of low price and environment friendliness, and is high in acetylene activation capacity, acetylene conversion rate and vinyl acetylene selectivity.

The invention provides an electronic component clamping and activating device and method.The electronic component clamping and activating device comprises a machine cabinet, a vibration disc, a bearing assembly, a feeding mechanism and an activating and clamping assembly, the bearing assembly comprises a first mounting base and a working module, the vibration disc and the first mounting base are both arranged on the machine cabinet, and the working module is arranged on the first mounting base; the vibration disc is used for storing the electronic components and sending the electronic components out of the feeding channel one by one. The feeding mechanism clamps and moves to complete material taking and feeding treatment of the electronic components, and the working module can synchronously slide while the feeding mechanism moves to take materials, so that the working module can support the multiple electronic components in the sliding process, and the working efficiency is improved. In this way, the activation clamping assembly can activate the multiple electronic components on the working module in the mode of clamping the multiple electronic components at the same time, the activation clamping assembly can activate the multiple electronic components through one-time work, the activation efficiency is high, and use is convenient.

The invention relates to the field of water treatment materials, and particularly discloses a porous carbon-carbon composite adsorption material prepared on the basis of semi-coke wastewater recovered fractionated phenol extract and gasified slag as well as a preparation method and application of the porous carbon-carbon composite adsorption material. The preparation method comprises the following steps: taking pretreated gasified slag prepared by pickling and modifying the gasified slag as a reinforcement matrix; the method comprises the following steps: mixing a fractionated phenol purified product recovered from semi-coke wastewater with an organic binder, phosphoric acid and a solvent to prepare a precursor solution; the invention discloses a preparation method of a porous carbon-carbon composite adsorption material, and the porous carbon-carbon composite adsorption material prepared by the method and application of the porous carbon-carbon composite adsorption material in the field of water treatment are prepared by soaking a reinforcement matrix in a precursor solution and heating and carbonizing. According to the invention, two industrial wastes, namely the gasified slag and the semi-coke wastewater recycled material, are used as main materials and are subjected to pore forming in a high-temperature carbonization process at the same time, so that the prepared adsorption material has excellent decoloration and COD removal performance, and meanwhile, high-value resource reutilization of the wastes is realized.

The invention discloses a coal gangue microwave-chemical synergistic activation method and activated coal gangue, the coal gangue microwave-chemical synergistic activation method comprises the following steps: (1) crushing coal gangue to obtain a crushed product; (2) mixing the crushed product with a composite activator, and performing microwave treatment to obtain an activated product; the composite activating agent comprises waste alkali liquor, fly ash aluminum extraction residues and water glass; and (3) drying, cooling and grinding the activated product to obtain the activated coal gangue. The microwave-chemical synergistic activation method for the coal gangue is high in activation efficiency, efficient destruction of crystal lattices of coal gangue minerals is achieved through the synergistic effect of microwaves and the composite activating agent, the activation time is shortened, the silicon-aluminum dissolution rate is increased, the silicon dissolution rate reaches 80% or above, the aluminum dissolution rate reaches 70% or above, the problem that single chemical activation is low in efficiency is solved, and the method is suitable for industrial production. And the obtained activated coal gangue product has high activity.

The invention relates to the technical field of high-capacity lithium supplement of lithium ion batteries, in particular to a gradient coating and conductive bridging synergistic composite lithium supplement agent and a preparation method thereof. Aiming at the problem that the improvement thought of the existing lithium supplement agent is difficult to consider structural stability, efficient transmission and interface compatibility, the invention provides the following technical scheme: the lithium supplement agent comprises an inner core, a middle layer, a buffer layer and a chemical bridging conductive network which are sequentially arranged from inside to outside; the inner core is a metal oxide with high lithium content, and the middle layer is of a gradient structure; the buffer layer is made of flexible lithiated polymer gel; and the chemical bridging conductive network is formed by chemically bonding an aminated carbon material and the buffer layer through an amidation reaction. Through collaborative design of gradient coating, the doped transition layer and the chemical bridging conductive network, inner core volume expansion is adapted, ion and electron transmission is enhanced, interface impedance is reduced, interface optimization from the structure to transmission is achieved, and the first effect and the cycling stability of the battery are improved.

The invention discloses a method and a device for integrating flash evaporation and lithium extraction. A flash evaporation and lithium extraction integrated device comprises a flash evaporation motor and a reaction kettle, a graphite bin and a cold fog leaching reactor are sequentially arranged in the reaction kettle from top to bottom, a movable partition plate is arranged between the graphite bin and the cold fog leaching reactor, an electrode transversely penetrating through an inner cavity of the reaction kettle is further arranged in the reaction kettle, and the electrode and the graphite bin are coaxially arranged. The flash motor is electrically connected with the electrode, a cylindrical groove for discharging a high-temperature activated material is formed in the bottom of the graphite bin, a sprayer is arranged on the cold fog leaching reactor, and a reaction kettle upper cover is arranged at the top of the reaction kettle. The invention proposes and realizes that the mixed waste powder is activated in an extremely short time to realize deintercalation of lithium from a spinel crystal structure, the lithium is preferentially extracted through water immersion under mild conditions, meanwhile, ferrophosphorus tailings generated by magnetic separation can be recycled in a system again, and the high-temperature flash steam is also subjected to simple temperature control, so that the energy consumption of the system is reduced. The separation of the fluorocarbon oil and the low-carbon gas is realized.

The invention relates to citron coffee fruit wine and a preparation method thereof, and belongs to the technical field of food processing. The citron coffee fruit wine is mainly prepared from coffee fruit peel, citron, sugar, yeast and water, coffee fruit peel powder and citron powder are weighed in proportion and placed in a fermentation tank, 6% of sweet water is added, the materials are stirred and mixed to be uniform, and the mixture is placed for 24 hours for sterilization treatment; activating saccharomyces cerevisiae by using 2% sweet water, stirring and dissolving, and activating at 30 DEG C for 30 minutes; adding the activated saccharomycetes into a fermentation tank, taking the saccharified liquid as a raw material, and performing sealed fermentation; after fermenting for 10-20 days, filtering, separating and clarifying to obtain a finished product of the citron coffee fruit wine. The coffee pericarp and citron are selected as two raw materials, brewing process parameters are optimized, the brewed coffee pericarp wine is richer in fruity flavor, the alcoholic strength is about 11% vol, the coffee pericarp wine better conforms to the drinking range of common fruit wine, and the coffee pericarp wine better meets the market requirements in the aspects of taste, flavor, alcoholic strength, functions and the like.

The present application relates to a kind of porous carbon material containing alkali metal element and its preparation method.The preparation method includes: (1) carbon material powder and transition metal salt solution are mixed, stirring, dry and placed in inert atmosphere high-temperature treatment, and the carbon material loaded with transition metal particles is prepared;(2) the carbon material loaded with transition metal particles obtained is mixed with alkali metal-containing basic substance, stirring, drying, with inert gas as carrier gas, and after being calcined by reaction gas, in-situ generation of alkali metal element on the surface or interlayer of the carbon material loaded with transition metal particles;(3) the carbon material obtained in step (2) is washed by water, and treated by oxidizing agent to obtain the porous carbon material containing alkali metal element.

The utility model discloses an automobile armrest hot-pressing edge covering device, which belongs to the technical field of automobile accessory processing and comprises a bottom plate, a through hole is arranged in the middle of the bottom plate, a first support column is arranged in the through hole, and a lower die is arranged on the upper portion of the first support column. Positioning assemblies and edge covering assemblies are alternately arranged on the periphery of the lower mold, first fixing plates are arranged on the two sides of the bottom plate, second fixing plates are connected to the tops of the first fixing plates, and hot pressing assemblies are arranged on the second fixing plates. According to the hot-pressing and edge-covering device for the automobile armrest, the hot-pressing process and the edge-covering process are integrated, a workpiece subjected to hot pressing can be cooled, the working time is saved, and the working efficiency is improved.

The invention relates to the technical field of fuel cells, and provides a PEM fuel cell stack rapid activation method and system, and the method comprises the following steps: S1, connecting a to-be-activated fuel cell stack to a load, introducing air into a cathode of a fuel cell, introducing hydrogen into an anode of the fuel cell, and loading to a rated current or a rated voltage of the fuel cell for self-humidification; s2, changing the load to a first single-chip voltage, and recording a first current corresponding to the first single-chip voltage; s3, greatly reducing the air supply of the cathode of the fuel cell, and adjusting the load to adjust the current to a second current after the voltage of the single sheet is reduced to be lower than the second voltage of the single sheet, so that the membrane electrode of the fuel cell is subjected to hydrogen pump reaction; s4, recovering the air supply amount of the cathode of the fuel cell, recovering the current to the first current, and recording a third monolithic voltage; s5, repeating the steps S3 and S4 until the voltage of the third single chip is stable; and S6, loading the rated current or the rated voltage of the fuel cell to carry out self-humidification. The method has the advantages of accelerating activation of the fuel cell stack and reducing the hydrogen consumption.

The invention discloses a method for accelerating activation of a fuel cell. The method can reduce activation time and hydrogen usage amount of a fuel cell stack. The method includes performing a step in which supply of air to the fuel cell stack is allowed and interrupted alternately repeated, while performing a current application step in which a high current load equal to or greater than a predetermined current is applied to the fuel cell stack. This is performed simultaneously with pressurizing the hydrogen to a predetermined pressurizing set pressure in a state where the air supply is interrupted and supplying the pressurized hydrogen to the fuel cell stack to cause the hydrogen to be pumped to the cathode of the fuel cell stack.

The application discloses a kind of based on surface acoustic wave activation electrochemical microorganism device and method, the device includes electrolytic cell main body, working electrode, surface acoustic wave excitation module;The working electrode, attached electrochemical microorganism;The surface acoustic wave excitation module, by applying alternating signal generates surface acoustic wave, surface acoustic wave spreads to working electrode area, and acts on the electrochemical microorganism attached on working electrode.The method includes that reference electrode, working electrode, counter electrode are accessed electrochemical workstation;Start surface acoustic wave excitation module, and alternating signal is applied to the interdigital transducer in this surface acoustic wave excitation module, for generating Rayleigh wave;Through peristaltic pump, bacteria liquid is placed into device, and after flowing through working electrode, it is discharged to sterile container, and this step is recycled 3-5 times.

This invention discloses a method for activating a fuel cell stack, relating to the field of fuel cell stack testing. The key points are: first, after loading the fuel cell stack to the highest current density corresponding to the polarization curve; second, reducing the cathode stoichiometry by a first reduction step size, performing multiple reduction steps followed by a first running time, and then restoring to the normal cathode stoichiometry, with each step's running time being a second running time; third, increasing the cathode stoichiometry by a first increase step size, performing multiple increase steps followed by a third running time, and then restoring to the normal cathode stoichiometry, with each step's running time being a fourth running time; repeating the above operations 1-3 times completes the activation of the fuel cell stack. This invention can shorten the fuel cell stack activation time, increase the activation speed, improve the activation efficiency, save hydrogen consumption, reduce the cost of fuel cell stack activation, and prevent damage to the fuel cell stack.

The invention provides chymotrypsinogen and application thereof, and particularly relates to a protein tag for improving the activation efficiency of recombinant chymotrypsinogen. Compared with naturally extracted human chymotrypsinogen, the recombinant chymotrypsinogen fused with the protein tag has significantly improved activation efficiency. The invention also relates to a recombinant chymotrypsinogen containing the protein tag, a nucleic acid molecule for coding the recombinant chymotrypsinogen, a vector containing a nucleotide sequence of the nucleic acid molecule, a nucleic acid construct and a host cell. In addition, the invention also relates to a method for expressing the recombinant chymotrypsinogen.

The present invention belongs to the technical field of activated carbon production equipment, and specifically relates to a powdered activated carbon production equipment, comprising a carbonization furnace, a primary activation furnace, a steam furnace and a secondary activation furnace, wherein the carbonization furnace, the primary activation furnace and the secondary activation furnace are connected in sequence through a transmission mechanism and are used to transmit materials, the steam furnace is connected to the primary activation furnace, and further comprises a primary crusher and a secondary grinder, wherein the primary crusher is connected between the carbonization furnace and the primary activation furnace and is used to crush charcoal, the secondary grinder is connected between the primary activation furnace and the secondary activation furnace and is used to grind charcoal particles after primary activation, and further comprises a first collecting tank, wherein the input end of the first collecting tank is respectively connected to the first activation chamber and the second activation chamber, and the output end of the first collecting tank is connected to the second combustion chamber; the present invention can improve the preparation effect and activation uniformity of activated carbon, and can save energy.

The invention discloses a fast-burning and fast-heating material for a thermal battery, a preparation method thereof and the prepared thermal battery, the fast-burning and fast-heating material is formed by alternately rolling two metal foils together, one metal is Al, the other metal is one of Ni, Ti, Nb and Cu, and the thickness of a bimetallic nano energetic film material is 0.1-0.5 mm. The bimetallic nano energetic film material can generate a violent exothermic reaction under the stimulation of lower energy, and has the characteristics of high reaction speed, large heat release, no gas generation, metal alloy serving as a reaction product and the like. When the material is used as a thermal battery heating material, the battery activation time can be effectively shortened, and the internal resistance of the thermal battery in the working process is reduced, so that the electrochemical performance of the thermal battery is comprehensively improved.

The invention relates to the technical field of agricultural water and fertilizer retention materials, and particularly provides a preparation process of core-shell structure weather-proof straw-based water and fertilizer retention integrated granules. The method comprises the following steps: (A) straw pretreatment and microwave-assisted activation: A1, crushing straws to 20-40 meshes, adding urea accounting for 2% of the dry weight of the straws, adjusting the water content to 60%, carrying out high-temperature aerobic composting at 55-65 DEG C for 15-20 days, and screening to obtain a 40-80-mesh cellulose crude product; a2, adding a 5wt% sodium hydroxide aqueous solution according to 30% of the dry weight of the cellulose crude product, uniformly stirring, and treating for 5 minutes by using 300W microwaves; the water retention agent has the following beneficial effects that the inner core takes high-activity straw cellulose as a core, and the water retention rate is greater than or equal to 350 times; humic acid (fertilizer retention), lignin (controlled degradation) and sodium alginate (weather resistance) are integrated in the shell, the problem of function splitting of water retention, fertilizer retention and weather resistance is solved, the particles are resistant to exposure to the sun (without cracking within 3 months) and rain (the loss rate is smaller than or equal to 5%), and the water retention validity period is prolonged to 6-8 months.

The invention relates to the technical field of automatic doors, and discloses an intelligent pedestrian automatic door which comprises two supporting vertical rods, recognition devices are installed at the top ends of the two supporting vertical rods, fixed bases are fixedly installed at the bottom ends of the supporting vertical rods, one sides of the two supporting vertical rods are movably connected with door rods through connecting assemblies, and the two door rods movably abut against each other; the telescopic driving pipe stretches out and draws back in the mode that the power cylinder conveys oil liquid, so that the two door rods move relatively, the pedestrian door is opened or closed, the telescopic length of the telescopic driving pipe can be adjusted in a self-adaptive mode according to the distance between the two supporting vertical rods, and the passing width of the pedestrian door can be adjusted according to use requirements; and the door rod moves in the vertical plane between the two supporting vertical rods all the time, space does not need to be reserved on the front side and the rear side of the pedestrian door during installation, and opening and closing of the pedestrian door cannot be affected even if the distance between a passing person and the pedestrian door is small.