48results about How to "Effective control of concentration" patented technology

The invention relates to an injectable implant and a preparation method thereof. The implant is amnion microparticles mixed in a sodium chloride phosphate physiological solution with a pH of 7.0-7.5. The preparation method comprises the following steps of disinfection processing, decellularization processing, modification processing, and amnion microparticle preparation, and in particular, comprises: taking amnion microparticles as a component A and a sodium chloride phosphate physiological solution as a component B, performing vibration and well mixing according to a mass volume ratio of 20:1-100:1 to prepare an amnion microparticle suspension with a concentration of 20-100 mg/mL by high-speed microjet equipment, wherein the particle size of the amnion microparticles is 50-200 microns. The injectable implant of the invention maintains the natural three dimensional stereo structure and a lot of natural active components of human amnion, reduces immunological rejection reaction caused by raw material source after clinical application of cosmetic injection products, is suitable for injection into deep subcutaneous dermal layer to subcutaneous superficial layer to repair moderate to severe wrinkles or folds, and has good cosmetic repair effect.

The invention discloses waste gas treatment equipment, a waste gas treatment method and a drying system. The waste gas treatment equipment comprises a waste gas recovery treatment unit and a fresh air heating unit. The waste gas recovery treatment unit comprises a first heat exchanger and a catalytic reactor. The first heat exchanger is provided with a first heat exchange side and a second heat exchange side which exchange heat mutually. The fresh air heating unit comprises a fresh air entering channel and a second heat exchanger. The second heat exchanger is provided with a third heat exchange side and a fourth heat exchange side which exchange heat mutually. An air inlet of the first heat exchange side is used for communicating with an air outlet of a drying oven, an air outlet of the first heat exchange side communicates with an air inlet of the catalytic reactor, an air outlet of the catalytic reactor communicates with an air inlet of the second heat exchange side, an air inlet of the fourth heat exchange side communicates with the fresh air entering channel, and an air outlet of the fourth heat exchange side is used for communicating with an air inlet of the drying oven. Waste gas heat exhausted by the drying oven can be sufficiently recycled, it is ensured that organic pollutant in waste gas is effectively treated, and fresh air can also be heated.

The invention relates to a doping method and a doping device of pulling reincorporation antimony crystals. The doping device comprises a quartz cover and a small quartz crucible, the small quartz crucible containing dopant antimony is hung in the quartz cover, and the bottom of the small quartz crucible is provided with a small hole. By adopting the doping device, the dopant antimony is effectively doped to a silicon melt when silicon materials are melted, the splash of dopant antimony is effectively controlled in the quartz cover at the moment of flowing into melting silicon in the doping process, the damage to hearth atmosphere is avoided, and the problem that the dopant antimony is difficult to be doped into the silicon materials because of the splash caused by violent reaction is effectively solved. Because the doping time is short, the influence of evaporation of dopant is reduced. The reaction of the doping process is stable and controllable, the weight of the dopant can be accurately set, and the consistence of the dopant can be effectively controlled. The efficiency for doping the antimony is enhanced, the cost of the dopant is saved, and the crystallization rate of the reincorporation antimony crystals is enhanced at the same time, thereby meeting the needs of domestic and international markets for the reincorporation antimony crystals.

The invention discloses a tower-type self-circulation aerobic degradation reactor. Waste water is uniformly introduced into an anoxic reaction zone at the bottom of the reactor by virtue of a water inlet pipe and a water distribution system which are arranged at the bottom of the reactor, the waste water is jointly mixed and reacts with high-concentration sludge and digestive fluid which are arranged at the bottom of the reactor and mixed liquor refluxed through a central reflux pipe, the mixture rises for forming a vertically rising type flow state upward movement, and a water inlet pump and an aeration fan are used for providing power, so that no sludge, digestive fluid reflux pump and the like is needed; meanwhile, the aeration fan has low power requirement, a conventional air blower is needed only, and operating cost and management difficulty are greatly reduced.

The invention discloses a P/N-type laminated resistive random access memory for growing metal nano crystal particles spontaneously. The P/N-type laminated resistive random access memory for growing metal nano crystal particles spontaneously is composed of a lower electrode, an induction layer I, an induction layer II and an upper electrode which are laminated sequentially. The lower electrode is metal which is easy to be oxidized into a metal ion under the forward electric field effect; the induction layer I is an N-type oxide; the induction layer Ii is a P-type oxide; the upper electrode is a metal or electric conducting compound with stable properties under the electric field effect; the lower electrode grows metal nanocrystalline particles spontaneously in the induction layer I under the forward electric field effect, becomes a lower resistor when a reverse bias voltage is added for the lower electrode, thus the operation of data '1' storage is carried out, and becomes a high resistor when a forward or reverse bias voltage is added for the lower electrode, thus the operation of data '0' storage is carried out. The P/N-type laminated resistive random access memory for growing metal nano crystal particles spontaneously provided by the invention has the advantages that the resistive random access memory acts as an induction factor of an electric conducting channel by utilizing metal nanocrystals; and the number of formed nanocrystals is controlled through the induction layer I, so that the vibration of the voltage and current of a device can be controlled effectively and the controllability of the access memory is improved.

The invention provides a method for degrading open-chain hydrochloric ether through tannic-acid-stable-nanoscale-zero-valent-iron-reinforced persulfate. The method includes the following steps that 1)tannic-acid-stable nanoscale zero-valent iron is added into a water solution containing open-chain hydrochloric ether pollution; 2) the persulfate is added into the mixed water solution in the step (1), and the mixture is fully mixed. According to the method, the chloroform degradation efficiency is greatly improved, the cost is reduced, and application prospects are good.

The invention discloses a strong basic electrolysis water generating device for controlling the concentration of electrolyte and belongs to the technical field of electrolysis water production. The strong basic electrolysis water generating device is characterized in that an electrolyte solution concentration real-time replenishing device is arranged on an existing strong basic electrolysis water generating device and comprises a liquid replenishing pipe, a liquid replenishing pump, a liquid preparing tank and a stirrer; the stirrer is arranged in the liquid preparing tank and is used for stirring to enable the concentration of the electrolyte solution to be uniform; the liquid replenishing pump is arranged on the liquid replenishing pipe; the liquid preparing tank is communicated with an electrolyte solution storing tank by the liquid replenishing pipe. The strong basic electrolysis water generating device has the beneficial effects that the concentration of the electrolyte solution in the electrolysis process can be effectively controlled, the concentration of the electrolyte solution is enabled to meet the requirements, and the production quality of electrolysis water is improved; electrolysis equipment is enabled to continuously work, and production output of the electrolysis water is greatly increased; a concentration sensing device can be used for controlling and stabilizing the concentration of electrolyte in real time.

The invention discloses a system and a process of triple-effect cross-flow evaporation. The system of triple-effect cross-flow evaporation comprises a first effect evaporator, a second effect evaporator, and a third effect evaporator, wherein a steam outlet of the first effect evaporator communicates with a steam inlet of the second effect evaporator, a steam outlet of the second effect evaporator communicates with a steam inlet of the third effect evaporator, a material outlet of the third effect evaporator communicates with a material inlet of the first effect evaporator, and a material outlet of the first effect evaporator communicates with a material inlet of the second effect evaporator. In the process of triple-effect cross-flow evaporation, the steam flows from the first effect evaporator to the second effect evaporator, and further to the third effect evaporator, while the material flows from the third effect evaporator to the first effect evaporator, and further to the secondeffect evaporator. The system and the process of triple-effect cross-flow evaporation provided by the invention can effectively control the material concentration during the evaporation-crystallization process in case the material concentration is too high.

The invention discloses a device capable of automatically controlling the pulp density. The device comprises a box body, a ball cock, a check valve and an overflow pipe. The ball cock is arranged inside the box body, one end of the check valve is made communicated with a pipeline arranged outside the box body, the other end of the check valve is provided with a replenishment water outlet pipe, the replenishment water outlet pipe is connected with a ball mill, the overflow pipe is made communicated with the bottom of the box body, one end of the ball cock is provided with a replenishment water inlet pipe, the replenishment water inlet pipe is connected with one side face of the box body, and the box body is provided with an ore crushing water feeding pipe which is located below the replenishment water inlet pipe. According to the device, the feeding and addition water amount can be effectively controlled, the ground pulp density is further controlled, the structure is simple, the manufacturing cost is low, use is convenient and reliable, the ore grinding effect is well improved, and production efficiency is improved.

The invention discloses a preparation method of a multistage sample injection micro-fluidic chip for synthesizing a Ag/Ag2S/CdS heterojunction. The multistage sample injection micro-fluidic chip for synthesizing the Ag/Ag2S/CdS heterojunction is disclosed to overcome the defects of existing synthesis technologies of a nanomaterial. A CdS micro-droplet forming area, a CdS nano-particle mixing reaction area, a Ag2S/CdS micro-droplet forming area, a Ag2S/CdS heterojunction mixing reaction area and a Ag/Ag2S/CdS forming area are arranged to realize the effective control effect of the micro-fluidicchip on the synthesis of the nanocomposite material. The multistage sample injection micro-fluidic chip designed by the invention has the advantages of optimized structure, convenience in operation,realization of step-by-step sample injection, and realization of synthesis of the nanocomposite material with a good dispersity and a uniform size. In addition, introduction of samples with differentconcentrations and different proportions can be realized by multistage sample injection, so that successful preparation of the nanocomposite material with different sizes and performances can be achieved.

The invention discloses a cremation flue gas purification combustion device, which comprises combustor sliding rails, a combustor, a combustor bracket, a combustor controller and a combustion chamber, wherein the combustion chamber is provided with an opening, a temperature sensor, spoilers, a gas inlet and a gas outlet; the spoilers are arranged in the combustion chamber; the combustor sliding rails are arranged on the upper part of the combustor bracket; and the combustor is arranged on the upper parts of the combustor sliding rails. The cremation flue gas purification combustion device reduces the workload of cremation operators, and can be started to seal incompletely combusted substances in cremation flue gases in the device before the cremation operators starts a combustion program and remove the incompletely combusted substances in advance before the cremation flue gases are emitted out of a chimney.

The invention discloses a four-effect cross-flow evaporation system and process. In the four-effect cross-flow evaporation system, a material outlet of a fourth-effect evaporator is respectively communicated with material inlets of a third-effect evaporator and a first-effect evaporator, and material outlets of the third-effect evaporator and the first-effect evaporator are communicated with a material inlet of a second-effect evaporator. In the four-effect cross-flow evaporation process, the flow direction of materials comprises two parts, wherein one part is reverse-flow charging evaporation from the fourth-effect evaporator to the third-effect evaporator and then to the second-effect evaporator; and the other part is cross-flow evaporation containing reverse-flow charging and parallel-flow charging from the fourth-effect evaporator to the first-effect evaporator and then to the second-effect evaporator. According to a cross-flow evaporation method, the evaporation capacity in the evaporation crystallization process can be effectively controlled, the material concentration in the evaporation crystallization process can be effectively controlled, and the too-high material concentration is prevented.

The invention discloses an organic electroluminescent device comprising a dopant material and a plurality of host materials. A light emitting layer of the device includes two host materials having specific structures and a dopant material. Appropriate energy level matching can be obtained by selecting the combination of the specific main body material and the specific doping agent material, the concentration of carriers in the light-emitting layer is effectively regulated and controlled to reach expected balance. Compared with the prior art, the organic electroluminescent device enables the comprehensive performance of the organic light-emitting device to be obviously improved. A display assembly and a compound formulation are also disclosed.

The invention discloses a gas-liquid spraying and dust-falling system for a fully mechanized mining face, which belongs to the field of dust-falling systems. The gas-liquid spraying and dust-falling system for the fully mechanized mining face comprises an atomizing and humidifying sub system, a boundary mist curtain sub system and a dust mist recycling sub system, which are arranged at the outer side of the fully mechanized mining face, wherein the boundary mist curtain sub system comprises a high-pressure knife shaped spray nozzle mounted on a hydraulic bracket; the atomizing and humidifyingsub system comprises a spraying dust faller which is mounted on a rocker arm of a coal mining machine, and sprayed water mists completely cover the high-pressure knife shaped spray nozzle; and the dust mist recycling sub system comprises a wind-water linked dust removal device mounted on a semi-surrounding type supporting base, and is arranged below the spraying dust faller for collecting water mists sprayed by the spraying dust faller. Compared with the prior art, the dust-falling system can improve dust-falling effect, and effectively controls dust concentration of the fully mechanized mining face, even the whole mining area.

The invention relates to a method for evaluating effects of insecticides in preventing and controlling tomato whiteflies and a tomato yellow leaf curl virus (TYLCV) indoors. The method comprises the steps that each chemical, each concentration and blank controls of to-be-evaluated insecticides are each set as one treatment, and each treatment has three replicates or more; each replicate takes equivalent tomato seedlings during the true leaf period, each treatment uniformly sprays corresponding equivalent liquid chemicals to the tomato seedlings, and after the liquid chemicals are applied, thetomato seedlings are put in an artificial climate chamber for cultivation, so that the liquid chemicals are fully absorbed; after the liquid chemicals are applied, each replicate is inoculated with equivalent whitefly adults carrying the TYLCV, and the number of survival whitefly adults carrying the TYLCV on the tomato seedlings of each replicate in different time periods after inoculation performed with the adults is observed; and after the replicates are each inoculated with the equivalent whitefly adults carrying the TYLCV for 14 days, TYLCV disease symptoms are surveyed, the TYLCV diseaselevel of each treatment is determined, and disease indexes and the control effect are calculated. Under the constant conditions, the types and the use concentrations of the insecticides capable of effectively controlling the whiteflies and a tomato yellow leaf curl disease spread by the whiteflies are evaluated and screened.

The invention discloses an acid deposition online monitoring system, comprising an automatic sampler, a six-way valve, a separation column, a suppresser, a conductivity detector, a data processor, an elute bottle, a high pressure pump, a water tank and a concentration monitoring meter, wherein the automatic sampler is connected with the six-way valve; the elute bottle is connected with the high pressure pump, the six-way valve, the separation column, the suppresser, the conductivity detector and the data processor in sequence; the water tank is connected with the elute bottle by using a metering pump; the conductivity detector is in bidirectional connection with the suppresser; the concentration monitoring meter is arranged in the elute bottle; and the suppresser is provided with a an elute recovering pipeline communicated with the elute bottle. The acid deposition online monitoring system provided by the invention not only can effectively supply spraying liquid but also can further ensure the concentration of the spraying liquid to be accurately monitored in real time according to the concentration variation of the spraying liquid, so that the frequency of supplying the spraying liquor can be effectively reduced, and the online monitoring precision is improved in real time.