39results about How to "Reduce activation costs" patented technology

The invention relates to a method for preparing geopolymers by taking stone coal vanadium extraction tailings as main raw materials. The technical scheme is as follows: the method adopts the following raw materials in percentage by weight: 55-76% of stone coal vanadium extraction tailings, 1-5% of hydrated lime, 0.3-2% of anhydrous sodium sulfate, 10-16% of metakaolin, 6-10% of sodium hydroxide and 6-13% of silica fume. The preparation method disclosed by the invention comprises the steps of firstly, uniformly mixing the stone coal vanadium extraction tailings and an activating agent, standing, calcining, and performing mechanical vibration milling to obtain activated slag; then, adding metakaolin and sand, and stirring; finally, adding a liquid alkali activator prepared from sodium hydroxide, silica fume and water, stirring, forming, aging and curing to prepare the stone coal vanadium extraction tailing geopolymers. The method disclosed by the invention is simple in process, low in cost, relatively small in energy consumption, high in tailing utilization ratio and environment-friendly; the prepared geopolymers are relatively high in compression strength, strong in dry shrinkage resistance, good in permeability resistance and high in durability, and have a good curing effect on heavy metal ions.

The invention discloses a method and system for opening a data communication network (DCN), which is used for simplifying the DCN opening procedure, improving the DNC opening efficiency and reducing the DNC opening cost. The opening method comprises the following steps: establishing a DCN channel between adjacent physically connected network elements by multilink point-to-point (MPPP) negotiation; carrying out initialization configuration on non-access network elements based on the established DCN channel; and operating a routing protocol and establishing a DCN total network route.

The invention relates to a method for activating electroless copper-plated textile with a nickel salt. The method comprises the steps of soaking the textile into a 10-30g / L coarsening liquid, heating to 60 DEG C and preserving heat for 30min, next, heating to 90 DEG C and preserving heat for 60min, and then washing and drying; soaking the textile into a chitosan solution, soaking twice and rolling twice, and air-drying; soaking the textile in a nickel sulfate solution at the normal temperature, and then soaking into a sodium borohydride solution, cleaning and air-drying to obtain the activated textile, and finally, soaking in an electroless copper plating liquid for plating, and finally washing with water and drying. A macromolecule adsorption nickel salt activating fluid developed in the method is friendly to the environment and capable of either improving the binding force of a coating and the substrate textile or activating a palladium salt with a nickel salt, and therefore, the activation cost is low and the pollution caused by noble metals is reduced, and the method is high in operability.

The invention discloses a method for automatically designing topology of a business-driven transmission network. The method includes firstly, building a fully connected network according to a business flow direction; secondly, setting a target value sigma of an average link utilization rate of the total network and a direction link utilization rate threshold sigma 0; thirdly, setting a variable n and setting the maximum planning frequency N; fourthly, obtaining bandwidth capacity Wi of each network link; fifthly, computing the quantity m of the links in each direction; sixthly, computing utilization rates of the links in various directions; seventhly, analyzing the utilization rates of all the links in topology G(V, L); eighthly, further deleting links in relevant directions if judgment for a result obtained in the seventh step is negative; and ninthly, computing an average utilization rate eta of the total network if the judgment for the result obtained in the seventh step is positive. By the aid of the method, the problem that topology of a network difficultly matches with a business flow direction in the prior art can be effectively solved, pertinence of network building and resource utilization rate are improved, provision and scheduling of later business are facilitated, and engineering investment is protected.

The invention belongs to the technical field of fuel cells, and particularly relates to a rapid low-cost activation method for a membrane electrode of a proton exchange membrane fuel cell. The activation method comprises the following steps: introducing dry nitrogen into two poles of a single cell or an electric pile for safe purging and removing air and impurities in the fuel cell; heating the single cell or electric pile; introducing humidified hydrogen into an anode and a cathode of the cell respectively, keeping the hydrogen in the cell, and carrying out discharge-free wet hydrogen treatment on the single cell or the electric pile of the fuel cell; and stopping hydrogen supply, discharging residual gas and the like. The non-discharge wet hydrogen activation method is adopted, so that the catalyst activity of the proton exchange membrane fuel cell can be improved, the activation time can be greatly shortened, the gas fuel consumption is reduced, and the activation cost is greatly reduced. According to the activation method, MEA can be rapidly activated without using an electronic load and consuming a large amount of hydrogen, the energy is saved, the cost is reduced, and the defects of a pre-activation (non-discharge) method and a discharge activation method are overcome.

The invention relates to a method for chemically plating nickel at textile surface without using palladium; the method comprises the following steps of: (1), carrying out roughening treatment on the textile surface; (2), adding acetic acid solution drop by drop into chitosan liquid, at the end of the dripping process, stirring, de-foaming by ultrasonic wave, dripping glutaraldehyde solution, stirring, reacting, obtaining cross linking modified chitosan CCTS, and keeping on stirring; (3), immersing the textile into CCTS solution, taking out the textile, roll compacting, and baking to obtain the pretreated textile; and (4), immersing the textile into nickel salt solution, activating, drying, immersing into boron hydride salt solution, reducing, drying, and then carrying out chemical nickel plating in a chemical nickel system, finally the product is obtained. By adopting the method, the raw material cost of the chemical metal plating at the textile surface is reduced, the noble metal pollution is reduced, the using property of the textile is improved, and the shielding effectiveness of the prepared textile is 50-70dB within the range from 300KHz to 3000MHz, and therefore the method has an excellent practical prospect.

The invention relates to a method for preparing geopolymers by taking stone coal vanadium extraction tailings as main raw materials. The technical scheme is as follows: the method adopts the following raw materials in percentage by weight: 55-76% of stone coal vanadium extraction tailings, 1-5% of hydrated lime, 0.3-2% of anhydrous sodium sulfate, 10-16% of metakaolin, 6-10% of sodium hydroxide and 6-13% of silica fume. The preparation method disclosed by the invention comprises the steps of firstly, uniformly mixing the stone coal vanadium extraction tailings and an activating agent, standing, calcining, and performing mechanical vibration milling to obtain activated slag; then, adding metakaolin and sand, and stirring; finally, adding a liquid alkali activator prepared from sodium hydroxide, silica fume and water, stirring, forming, aging and curing to prepare the stone coal vanadium extraction tailing geopolymers. The method disclosed by the invention is simple in process, low in cost, relatively small in energy consumption, high in tailing utilization ratio and environment-friendly; the prepared geopolymers are relatively high in compression strength, strong in dry shrinkage resistance, good in permeability resistance and high in durability, and have a good curing effect on heavy metal ions.

The invention relates to an advertisement delivery monitoring method and apparatus. The method comprises the following steps: determining an activation cost of specified advertisement on a first advertisement unit according to a click amount of the specified advertisement in the first advertisement unit, and a user activation amount brought by the first advertisement unit to the specified advertisement; determining an average activation cost of all advertisement on the first advertisement unit according to the click amounts of all advertisement on the first advertisement unit and the user activation amounts brought by the first advertisement unit to all advertisement on the first advertisement unit; determining an activation score of the first advertisement unit according to the activationcost of the specified advertisement on the first advertisement unit and the average activation cost of all advertisement on the first advertisement unit; and adjusting the advertisement cost of the first advertisement unit according to the activation score of the first advertisement unit. By adoption of the advertisement delivery monitoring method and apparatus provided by the invention, the advertisement cost of the first advertisement unit can be flexibly adjusted according to the user activation amount corresponding to the advertisement, so that the advertisement delivery cost of an advertiser can be effectively controlled.

The invention relates to a method for activating electroless copper-plated textile with a nickel salt. The method comprises the steps of soaking the textile into a 10-30g / L coarsening liquid, heating to 60 DEG C and preserving heat for 30min, next, heating to 90 DEG C and preserving heat for 60min, and then washing and drying; soaking the textile into a chitosan solution, soaking twice and rolling twice, and air-drying; soaking the textile in a nickel sulfate solution at the normal temperature, and then soaking into a sodium borohydride solution, cleaning and air-drying to obtain the activated textile, and finally, soaking in an electroless copper plating liquid for plating, and finally washing with water and drying. A macromolecule adsorption nickel salt activating fluid developed in the method is friendly to the environment and capable of either improving the binding force of a coating and the substrate textile or activating a palladium salt with a nickel salt, and therefore, the activation cost is low and the pollution caused by noble metals is reduced, and the method is high in operability.

The invention discloses a method for activating a benzene-method maleic anhydride catalyst outside a reactor. The method comprises the following steps: 1, placing the benzene-method maleic anhydride catalyst in the activation reactor; 2, introducing air into the activation reactor, so that the interior of the activation reactor is filled with air; 3, raising the temperature of the benzene-method maleic anhydride catalyst, wherein the temperature-raising gradient is 60-100 DEG C / h, after the temperature is raised to 300 DEG C, changing the temperature-raising gradient to 0-80 DEG C / h, and raising the temperature to 440-460 DEG C; 4, after the temperature is preserved for 3-5 hours, lowering the temperature to 420-440 DEG C, introducing ammonia gas, when the volume ratio of ammonia gas to air in the activation reactor reaches 1 / 25 to 1 / 15, stopping gas introduction, and continuing preserving the temperature for 2-4 hours, then lowering the temperature to the room temperature, wherein the temperature lowering time is one hour, so that the benzene-method maleic anhydride catalyst activated outside the reactor is obtained. According to the method, air and a gas mixture of ammonia gas and air are adopted as activation atmosphere in sequence, activation cost is lowered, stability of catalyst activity is guaranteed, and stability of the benzene conversion rate is greatly improved.

The invention discloses an activation circuit applied to a battery protection circuit, an activation method thereof, a battery protection circuit and a battery. The battery protection circuit includes a battery management chip and a charging switch tube. The battery management chip controls the charging switch tube to charge the battery cell. The working voltage of the battery management chip is provided by the battery cell it protects. The activation circuit includes: a capacitor and a capacitor The charging circuit, the two ends of the capacitor are respectively connected to the gate and source of the charging switch tube, the capacitor charging circuit is used to charge the capacitor when the battery is over-discharged so that the battery management chip cannot control the charging switch tube to charge the battery, so that Provide a forward bias voltage to the charging switch tube to turn on the charging switch tube, so that the external power supply can directly charge the battery cell through the charging interface and the charging switch tube to activate the battery management chip. Through the above method, the present invention can realize the activation of the battery protection circuit in a relatively simple manner, the activation time is short and the activation cost is low.

The invention discloses a synchronous digital hierarchy (SDH) topology discovery method. The method is characterized by comprising the following steps that: a master station sends predetermined overhead bytes to a slave station in east and west directions; the slave station receives the overhead bytes from the east and west directions and transfers the overhead bytes according to a predetermined rule; the master station sends an address confirmation command to the slave station when determining that the received overhead bytes sent by the slave station are the same in preset time, wherein thecommand comprises a subnet address field; and the slave station generates an internet protocol (IP) address of the slave station according to the subnet address field and the values of the overhead bytes to be sent by the slave station after receiving the command. The invention also provides a topology discovery method for a chain network. By adopting the technical scheme provided by the invention, the network can be accessed under the condition that an IP address is not required to be allocated to a network element in advance, so that the operation cost is reduced.

The invention discloses an activated carbon fiber ball and a preparation method thereof, and belongs to the field of activated carbon materials, and provides the activated carbon fiber ball mainly aiming at the problems that the activated carbon fiber is over-high in preparation cost, low in porosity, large in subsequent processing difficulty, single in form, inconvenient to fill and the like at present. According to the main technical scheme, the preparation method of the activated carbon fiber ball comprises the following steps: mixing short carbon fiber with a liquid-containing binder and then stirring at a high speed to form a fiber ball; adding a thermosetting resin emulsion or solution according to the solid content; secondarily rolling and cladding to prepare a fiber / resin ball; solidifying for 2-10 hours at 100-300 DEG C, so as to prepare a solidified ball; putting the solidified ball into a carbonization and activation furnace; and carbonizing and activating by water vapor, so as to prepare the activated carbon fiber ball. The activated carbon fiber ball is good in strength, good in particle sphericity, convenient to fill and exchange, good in permeability, light in weight, strong in adsorption capacity, high in sphere strength, and excellent in inoxidizability and corrosion resistance, and can be widely applied to water treatment, air purification, trace pollutant removal, a catalyst carrier and the like.

The invention discloses a process and equipment based on an electric persulfate activation technology. The equipment comprises an anode reaction kettle, a cathode reaction kettle, an adjustable direct-current power supply and a high-precision variable resistor; an anode electrode capable of moving up and down is arranged on the anode reaction kettle; a cathode electrode is arranged on the cathode reaction kettle; the anode electrode and the cathode electrode are electrically connected with the positive electrode and the negative electrode of the adjustable direct-current power supply respectively; the positions, close to the bottoms, of the side walls of the anode reaction kettle and the cathode reaction kettle are each provided with a bottom inert electrode, the two bottom inert electrodes are electrically connected through a wire, and the high-precision variable resistor is connected between the wires in series. By accurately controlling the depth of the anode electrode in the medicament, the voltage of the adjustable direct-current power supply and the resistance of the high-precision variable resistor, the electric activation current can be effectively controlled, the speed and quality of the electric activation of the persulfate are further controlled, and the method is easy to operate and has wide engineering and market prospects.

The invention discloses a resource optimization method based on a shared link risk group, including: (1) subdividing the link fault monitoring points, marking the OTS section, so that the link monitoring points are refined from the OMS section to the OMS section (2) Associating the OTS segment link monitoring point with the shared link risk group; where the OMS segment refers to the link between the ROADM sites, and the OTS segment refers to the ROADM site and the OLA site or two Links between OLA sites. The method of the invention can improve the utilization rate of resources, improve the success rate of switching, and reduce the cost of engineering commissioning. The invention also provides corresponding electronic equipment.

The invention provides a rapid activation method for a proton exchange membrane fuel cell. The newly prepared CCM membrane is subjected to plasma surface treatment, and then it is made into a proton exchange membrane fuel cell, and the activation is carried out according to the following steps: Gradually increase and forcefully increase the output current in stages until the battery operating temperature reaches 70 to 80°C and the output voltage drops to 0.4 to 0.5V; (b) Fix the battery operating temperature at 70 to 80°C, and gradually force it in stages Increase the output current until the output voltage drops to 0.4~0.5V, and cycle 1~4 times; (c) Fix the working temperature of the battery at 70~80℃, first press 50~200mA / cm 2 the smaller output current, then press 800~1200mA / cm 2 The larger output current, cycle 2 to 8 times. The method of the invention is simple in process, can shorten the activation time of the battery, and improve the production efficiency.

The present invention provides a single-cell activation method for a direct borohydride fuel cell (DBFC). The single-cell activation method is characterized by comprising three steps such as initial stage activation, electrochemical alternating current accelerated activation and cell performance testing, has characteristics of rapid electrochemical reaction interface expansion, short activation time, fuel saving, simple system and the like, and is especially suitable for activation of the DBFC with characteristics of low catalyst activity and long activation time.