43results about How to "Simple control conditions" patented technology

The invention relates to a technology for high-efficiently recycling soldering tin of discarded printed circuit boards, and a device. In a sealed system, in which liquid heat conducting medium exists, discarded printed circuit boards to be processed and welded with electronic parts are put in a swivel which is provided with a plurality of filtering holes and immersed in the heat conducting medium, the temperature is risen until the soldering tin is melted, after the temperature is constant, the swivel is rotated to centrifugally separate solid and liquid, the soldering tin leaks from the filtering holes, deposits at the bottom and is cooled into ingot, and the electronic parts are separated from the discarded printed circuit boards correspondingly. The method for recycling the soldering tin of discarded printed circuit boards has no environmental pollution, low energy consumption and high efficiency, and can create good condition for high-efficiently recycling other metals.

The invention discloses a sludge deep-dehydration technology. The technology comprises hydro-thermal reaction, flocculation conditioning and mechanical dehydration. The hydro-thermal reaction process comprises adding 5-13kg of a surfactant into each ton of dry sludge, putting the surfactant and sludge into a hydro-thermal reactor and carrying out a sludge hydro-thermal reaction process at a temperature of 120-160 DEG C under relative pressure of 0.5-1.2 MPa. The sludge deep-dehydration technology has dehydrated sludge water content of 55% or less, greatly reduces sludge follow-up treatment difficulty and reduces a sludge follow-up treatment cost.

The present invention discloses a process method for preparing synthesis gas by using a zero carbon or negative carbon emission system. The process method comprises that: 1) first raw material gas is subjected to desulfurization, steam is matched, pressurization and heating are performed, a reaction is performed to obtain first conversion gas, the first conversion gas is output, the output first conversion gas and pure oxygen are mixed and then enter a two-stage furnace to react so as to obtain second conversion gas, and the second conversion gas is output from the two-stage furnace; 2) second raw material gas is subjected to desulfurization, pressurization and heating and then is mixed with pure oxygen and carbon dioxide, then a reforming reaction is performed to obtain third conversion gas, and the third conversion gas is output from the reforming reactor; and 3) the second conversion gas is subjected to heat recovery and then is mixed with the third conversion gas to form crude synthesis gas, wherein the crude synthesis gas is adopted as the subsequent synthesis gas with or without a decarbonization device. According to the present invention, the greenhouse gas emission is reduced, the carbon efficiency is improved, the recycling of the carbon resources of the energy source chemicals is achieved, the hydrogen-carbon ratio of the synthesis gas achieves the ideal ratio of the downstream process requirement, and the zero carbon or negative carbon emission of the whole system is achieved.

Sludge is a byproduct of sewage treatment, a great deal of sludge generated causes the increasingly severe secondary pollution, and the sludge treatment cost is high, so the sludge becomes a bottleneck problem in the urban sewage treatment industry. The invention provides a high-efficiency composite hydrolysis acidification pool technique used for sludge reduction, and belongs to the technical field of water treatment. The technique can be used as a pretreatment process of two-stage biochemical treatment in a sewage plant or independently used as a sludge reduction process. A high-efficiency mass transfer guiding plate and a turbulent generator are arranged in the pool to enhance the mass transfer effect of solid-liquid two-phase reaction; meanwhile, a filler is filled in the pool, so biomass in the reactor is increased, the efficiency of degrading residual sludge by hydrolysis acidification bacteria is improved, and the sludge to be finally treated is reduced.

The invention relates to preparation and application of a nano-micelle imaging agent for a cervical cancer sentinel node. A nanometer imaging agent high polymer PEG-PLGA is used as a carrier, micelleparticles are formed through polymerization, indocyanine green is loaded inside, TMTP1 targeting peptide is modified on the surface of a micelle, and maleic amide connected with a surface hydrophilicgroup PEG end of the micelle is connected with a sulfhydryl group of TMTP1 with ring formation by amido bonds at the head and the tail. The near infrared fluorescence nano-micelle diagnosis reagent provided by the invention can image the cervical cancer sentinel node in real time, can distinguish whether tumor cell metastasis occurs or not, and offers the assistance for the imaging diagnosis of intraoperative lymph nodes of cervical cancer in clinic in the future and the guidance of individualized treatment of tumor patients.

The invention relates to a method for preparing amorphous nickel hydroxide electrode active material, which comprises using nickel salt, alkali and hydroxides of doped metallic elements as the main raw material, using hexadecyl trimethyl-ammonium bromide, normal butyl alcohol, cyclohexane as the auxiliary raw material, and employing micro emulsion fast precipitation method. The nickel electrode synthesized from the material can be used for forming cells with high specific capacity, stable operating voltage and better circularity property.

The invention relates to an aluminum nitride ceramic plate metalization method, which comprises the following steps of cleaning the surface of an aluminum nitride ceramic plate; forming a titanium conduction layer with the set thickness on the surface of the aluminum nitride ceramic plate; using the aluminum nitride ceramic plate subjected to titanium plating on the surface as a cathode; putting the aluminum nitride ceramic plate into an electrolytic bath; using refined copper as an anode; putting the aluminum nitride ceramic plate into a heat treatment furnace; then, performing heating and temperature rise; seeping the titanium conducting layer to the aluminum nitride to form a TiN metallurgical transition layer and simple substance aluminum; continuously performing heating and temperature rise; sending ultrasonic waves to the aluminum nitride ceramic plate through a ultrasonic wave generating device, so that the liquid-state simple substance aluminum vibrates and flows out; stabilizing the TiN metallurgical transition layer; performing further heating and temperature rise; seeping the titanium conducting layer to the copper plating layer to form a TiCu metallurgical transition layer. Compared with the prior art, the method provided by the invention has the advantages that the liquid-state simple substance aluminum in the TiN metallurgical transition layer vibrates, so that the liquid-state simple substance aluminum melts and is discharged out of the aluminum nitride ceramic plate; the connection intensity of the copper plating layer and the titanium conducting layer is improved; the product quality and the finished product rate are improved.

The invention provides a method for treating eutrophication substances in sewage through artemia culture. The method includes the following steps that S1, a treating pond is built, and salt lake brine is injected into the treating pond; S2, to-be-treated sewage is injected into the treating pond in a continuous or semi-continuous mode, and the net evaporation speed of a water body in the treating pond and the injection speed of the to-be-treated sewage are kept same; S3, the salinity of the water body in the treating pond is adjusted and kept 6 baume to 14 baume, nutrient substances in sewage are used, microalgae, microorganisms and the like are cultured to serve as baits of artemia, artemia in the water body in the treating pond is cultured, and nitrogen and phosphorus eutrophication substances are removed in sewage from water by catching artemia. By means of the method, it is achieved that the eutrophication substances in sewage are efficiently and continuously purified, zero discharging of the eutrophication substances is achieved, artemia produced in the water purifying process is high-quality baits for culturing animals and raw materials in cooperation with feed, and objective economic benefits can be created.

The invention discloses a charging method and an electronic device. The charging method comprises the following steps of determining that a current charging mode of a battery of the electronic device is a first charging mode at a current moment; acquiring M charging voltages of the battery within a preset time frame before the current moment, wherein arbitrary one of the M charging voltages is a charging voltage corresponding to a moment when the electronic device is separated from a power supply; determining N charging voltages of which the voltage values are lower than a preset voltage value from the M charging voltages, wherein N is an integer less than or equal to M; and controlling the current charging mode to be adjusted to a second charging mode from the first charging mode if N is greater than a preset value, wherein the second charging mode is a mode that the fully-charged voltage of the battery is smaller than the voltage of a battery core. With the technical scheme provided by the embodiment of the invention, the technical problem of relatively single condition existing in the switching charging mode of the electronic device in the prior art is solved.

The invention provides an industrial storage and reutilization method of anaerobic ammonia oxidizing bacteria and belongs to the field of biological treatment of wastewater. The method comprises the following three steps of selecting the anaerobic ammonia oxidizing bacteria, storing and recovering activity: step 1, taking out active sludge from different parts of an anaerobic ammonia oxidizing reactor which is operated normally, and uniformly mixing; introducing high-purity argon gas; selecting the suitable anaerobic ammonia oxidizing bacteria; step 2, precipitating and washing the selected bacteria and then adding a storage matrix; introducing the high-purity argon gas, and selecting environment conditions including temperature, a matrix concentration and the like in a storage process according to different storage periods; step 3, carrying out activity recovery operation of controllable decompression and temperature rising, and step load on the stored anaerobic ammonia oxidizing bacteria, so as to rapidly obtain high-activity anaerobic ammonia oxidizing bacteria capable of being industrially reutilized. According to the industrial storage and reutilization method, high-activity storage of the anaerobic ammonia oxidizing bacteria is realized and operation factors are control conditions which are easily industrially realized; the industrial storage and reutilization method is simple and convenient to operate and low in cost, and has a very high application value.

The invention discloses a long-acting luminous paint which is composed of the following components by mass: 40-60 parts of acrylic resin, 1-3 parts of bentonite, 10-12 parts of xylene, 2-4 parts of butyl acetate, 30-38 parts of luminous powder, and 0.5-2 parts of assistant. The invention also discloses a preparation method of the long-acting luminous paint, and the preparation method comprises the following steps: premixing the acrylic resin, bentonite, butyl acetate and xylene for high speed dispersion for 30 minutes, then stirring to adding toluene, the luminous powder and the assistant for adjusting color and viscosity, and finally filterring impurities to obtain the long-acting luminous paint. The prepared luminous paint has infinite times of luminous function.

The invention discloses a preparation method for a molybdenum trioxide/polyaniline composite electrode material with a layered structure. The preparation method comprises the following steps: S1, reacting molybdenum trioxide with organic amine in an alcoholic solvent under stirring to produce a white precipitate, and carrying out pumping filtration, washing and pressure-reduced drying so as to obtain an organic amine-intercalated molybdenum trioxide precursor; S2, reacting the organic amine-intercalated molybdenum trioxide precursor with aniline in an organic acid solvent under stirring to produce a light pink precipitate, and carrying out pumping filtration, washing and pressure-reduced drying so as to obtain an aniline-intercalated molybdenum trioxide compound; and S3, heating the aniline-intercalated molybdenum trioxide compound in an air atmosphere to 100 to 150 DEG C at a heating rate of 0.5 to 5 DEG C/min, carrying out heat insulation treatment for 72 to 120 h, then carrying outslow cooling to room temperature so as to obtain the molybdenum trioxide/polyaniline composite electrode material with the layered structure. The molybdenum trioxide/polyaniline composite electrode material prepared by using the method has no problems of poor conductivity, poor cyclic performance and poor rate performance of conventional molybdenum trioxide negative electrode materials.

Embodiments of the present invention disclose a sound box play control method and apparatus. The sound box play control method can comprise: in a play process of a sound box, performing infrared detection on a play region of the sound box; when detecting that a user exists in the play region, monitoring an action track of the user; after monitoring the movement track, acquiring a control instruction corresponding to the action track; and performing control on the sound box according to the control instruction. With adoption of the sound box play control method and apparatus disclosed by the embodiments of the present invention, the play of the sound box can be controlled by the user according to an action, so that a control condition is simplified, and user experience is improved.

The invention relates to a method for detecting mercury ions based on triangular silver nanosheets, and the inventor designs and synthesizes a triangular silver nanosheet solution which is used as a mercury ion photo-thermal sensor for detecting the concentration of the mercury ions. The detection method comprises the steps of preparing a triangular silver nanosheet solution, drawing a standard curve, detecting a to-be-detected solution and the like. The preparation method and control conditions of the triangular silver nanosheet are relatively simple, and the grown triangular silver nanosheet can be obtained only by controlling the adding amount of the growth solution. The detection method disclosed by the invention is simple to operate, and compared with the existing detection method, the method disclosed by the invention can realize on-site, rapid and accurate detection of mercury ions, is low in cost and convenient to carry, and is not interfered by other ions and colored substances.

The invention relates to a synthesizing method of active material of metal hydroxide nickel-battery anode, especially a microemulsion synthesizing method that prepares nano diphase alpha-Ni(OH)2 superfine powder by doping chemical elements. (1) using nickel salt, alkali and sodium carbonate as well as sulphates of doping elements as main raw materials and AOT, organic solvent and cyclohexane as auxiliary raw materials; (2) placing raw materials in a reaction kettle in a certain proportion and in sequence, and making synthetic reaction on a certain condition; (3) placing still, layering, filtering, washing, drying, grinding and scattering the resultant to obtain it. The synthesizing method is simple and convenient to operate and easy to control reacting condition, the synthetic product has uniform crystal grains, able to reach nano level, having good electrochemical performance and suitable to act as active material of metal hydroxide nickel-battery anode.