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260results about How to "Satisfy needs" patented technology

Method for removing organic matters in water by utilizing three-dimensional electrode electro-fenton and device thereof

The invention relates to a method for carrying out oxidation treatment on organic waste water by utilizing a three-dimensional electrode electro-fenton and a device thereof. The device comprises a reactor shell, a carbon material cathode, an iron plate anode, a three-dimensional particle electrode of a fixed bed, a direct-current voltage-stabilizing power supply, a microporous aeration plate and an air pump, wherein a reactor consists of a reaction chamber and a gas chamber; the carbon material cathode, the iron plate anode and the particle electrode are positioned in the reaction chamber at the upper part of the reactor; and the gas chamber is formed between the bottom of the reactor and the microporous aeration plate. After direct current is introduced, the iron anode is oxidized to generate iron ions, oxygen in the gas chamber is reduced on the surface of the cathode to generate hydrogen peroxide, and the iron ions and the hydrogen peroxide form a fenton reagent to oxidize and remove organic matters in waste water; and simultaneously, due to the particle electrode, the contact area and the contact time of the waste water and the fenton reagent are increased, and the mass transfer effect of the waste water in the reactor is reduced. The invention is applicable to treatment of various types of organic waste water, the equipment is compact, the operation is easy, the whole reactor is easy to control, and the requirements of an actual water treatment unit are met.
Owner:HUAZHONG NORMAL UNIV

Method and device for removing organic matters from water by using double-pool double-effect visible light in response to photo-electro-Fenton reaction

The invention discloses a method and a device for removing organic matters from water by using double-pool double-effect visible light in response to a photo-electro-Fenton reaction. The device comprises a cathode pool, an anode pool, a saturated potassium chloride (KCl) salt bridge, a visible light response semiconductor membrane material anode, a carbon-iron composite material oxygen negative electrode, an air pump, a magnetic stirrer, a direct current stabilized voltage power supply and a visible light source, wherein an anode performs photoelectrocatalysis under the actions of visible light and anode bias voltage to remove organic pollutants from water; the carbon-iron composite material oxygen negative electrode performs cathode potential reduction on O2 under the conditions of external voltage and introduced air to produce hydrogen peroxide which is subjected to an electric Fenton reaction to generate active substances such as hydroxyl radicals and the like capable of effectively removing the organic matters from the water; electrons produced by a photoanode migrate towards an oxygen cathode under the action of anode bias voltage; the O2 is reduced by the electrons on the cathode to generate more H2O2; and the H2O2 produced on the cathode cannot migrate to the anode pool for consumption, so that higher H2O2 concentration is ensured, and the oxidation reaction of the organic matters by electric Fenton is ensured. The method and the device are suitable for treating various types of organic waste water.
Owner:HUAZHONG NORMAL UNIV

Recommending system and method combining SNS and search engine technology

The invention discloses a recommending system and method combining an SNS and a search engine technology. The recommending system and method combining the SNS and the search engine technology introduces user search behaviors and SNS friend information so that the user search behaviors and the SNS friend information are used as references to obtain recommending results from an angle of a user himself and an angle of a friend of the user. The recommending system comprises a friend information obtaining module, a recommending result generation module based on the SNS friend intimacy, a search behavior information obtaining module, a recommending result generation module based on the search behavior information and a result integrating module. The recommending method comprises a first step of obtaining friend information, a second step of obtaining the recommending results based on the SNS friend intimacy, a third step of obtaining the search behavior information, a fourth step of obtaining the recommending results based on the search behaviors, and a fifth step of integrating the recommending results. According to the recommending system and method combining the SNS and the search engine technology, the characteristics of sharing and exchanging of the SNS are applied, on the one hand, the transmission efficiency of products in an e-commerce platform is improved, on the other hand, complementary to the technology which is based on the search behaviors is formed, and therefore the accuracy, the reliability and the comprehensiveness of the recommending results are improved.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Semantics-based sci-tech information processing method and system

The present invention discloses a semantics-based sci-tech information processing method and system, and belongs to the technical field of data processing. The method comprises the following steps: acquiring network data; according to a Chinese-English bilingual parallel corpus, translating the network data into Chinese / English by means of a decoding algorithm; generating an abstract according to the translated network data; performing classification according to the abstract, and generating a class tag; and storing the translated network data, the abstract and the class tag into a full-text retrieving database. According to the method and system disclosed by the present invention, by using technologies such as automatic search of sci-tech information, automatic abstracting of the sci-tech information and automatic classification of texts, sci-tech information related to scientific development, technical innovation and recent news can be automatically acquired by means of a public information channel from the Internet, so that acquisition accuracy is improved, the cross-language content understanding barrier is eliminated, the problem of information overload is solved, and the efficiency of reading and understanding information of the user is increased.
Owner:THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Semiconductor laser degradation testing and service life prediction experimental platform

The invention provides a semiconductor laser degradation testing and service life prediction experimental platform. The semiconductor laser degradation testing and service life prediction experimental platform comprises a computer analysis system, a semiconductor laser driving control system and a data transmission system; the computer analysis system receives the state data of a semiconductor laser through the data transmission system and performs calculation and analysis to realize functions such as curve drawing, degradation testing and service life prediction; and the semiconductor laser driving control system receives a parameter setting and mode control data packet through the data transmission system and analyzes the parameter setting and mode control data packet so as to control the modulation current, bias current, optical power and temperature of the semiconductor laser. With the semiconductor laser degradation testing and service life prediction experimental platform of the invention adopted, the degeneration characterization parameter of the semiconductor laser can be tested under a premise that the normal modulation work of the semiconductor laser is not affected, and the current, voltage and temperature stress during the operation of the semiconductor laser can be acquired, so that the service life of the semiconductor laser can be predicted. The experimental platform can be used for semiconductor laser factory delivery tests and experiments and teaching researches of optoelectronic device characteristics and laser communication.
Owner:NAT UNIV OF DEFENSE TECH

Method for simultaneously removing organic pollutants and ammonia in waste water and reactor

A method for simultaneously removing organic pollutants and ammonia in waste water and a reactor. The method provided by the invention simultaneously accomplishes the degradation of organic pollutants by the activated oxygen catalytic oxidation and the removal of ammonia by spraying and air-stripping in the same reactor. The reactor, which comprises an upper part for stripping and removing ammonia and a lower part for the activated oxygen catalytic oxidation, is mainly composed of a housing, a water distributor, atomizing nozzles, a catalyst, a power pump, porous trays, a microporous aeration plate, air pumps and an air intake. The method provided by the invention is characterized in that waste water undergoes the pH value adjustment and flows into the atomizing nozzles from the upper water distributor; air flows into the reactor from the microporous aeration plate or the air intake; ammonia is stripped and removed during the fogdrop dripping process on one hand and through porous trays on the other hand; ammonia gas flows out of an outlet on the top and then is sent for a next treatment; fogdrop drips into an activated oxygen catalytic oxidation pool on the bottom; air flows from the microporous aeration plate on the bottom and reacts with the catalyst in the catalytic oxidation pool so as to produce oxygen-containing free radicals to remove organic pollutants in the waste water. The method for simultaneously removing organic pollutants and ammonia in waste water and the reactor in the invention are suitable for the treatment of diversified ammonia-containing organic waste water.
Owner:HUAZHONG NORMAL UNIV

Air purification device of clean room

The invention relates to the field of environmental protection, and particularly discloses an air purification device of a clean room. The air purification device comprises a shell, an air inlet, an induced draft fan, a ventilation opening and an air outlet pipe; a filter screen cylinder is fixed on the right side of the ventilation opening, a vertical rotary inner core is coaxially arranged in the filter screen cylinder, a plurality of first partition plates which are staggered vertically are fixedly arranged on the right side of the filter screen cylinder, a plurality of heaters are fixedlyarranged between every two adjacent first partition plates, and a temperature adjusting chamber is arranged at the right end of the shell. According to the air purification device, the rotary inner core is arranged in the filter screen barrel, on one hand, the passing performance of air in the filter screen barrel can be ensured, the filtered air can be discharged in time, and on the other hand, filtered dust on the filter screen cylinder is swept through a brush plate installed on a brush plate groove, so that the dust can be removed from screen holes and is prevented from being blocked; thefiltered air is subjected to sterilization treatment by virtue of high-temperature heating treatment, so that bacteria in the air are reduced, and the requirements of the clean room are met.
Owner:山东天洁净化环境科技有限公司

Intelligent cabinet control circuit and intelligent cabinet manager formed thereby

The invention discloses an intelligent cabinet control circuit. The intelligent cabinet control circuit comprises a central processing unit, and an analog data collecting module, a digital input module, a control output module and an electronic display module connected with the central processing unit. An intelligent cabinet manager comprises a casing, the intelligent cabinet control circuit mounted in the casing, and a comprehensive wiring electronic tag, a DISPLAY button, and a temperature-humidity probe arranged on the casing. The intelligent cabinet control circuit is convenient in unified management and remote monitoring by integrating the comprehensive wiring electronic tag with remote direct current power supply control and cabinet environment power monitoring; an alarm input interface is reserved to increase the monitoring item so as to meet the requirement of more clients; an LCD (liquid crystal display) or LED (light emitting diode) electronic tag of the comprehensive wiringsystem is more visual and beautiful, convenient in maintenance and scientific in management as the substitute of the paper tag for displaying data; and the control output module can supply power to apower consuming apparatus periodically, thereby reducing energy consumption and being low-carbon and environment-friendly.
Owner:广州贝思兰环保科技有限公司

System for carrying out synchronous wireless sending and receiving on signals of traffic lights

The invention relates to a system for carrying out synchronous wireless sending and receiving on signals of traffic lights. The system is characterized in that signals of the existing traffic light are sent outwards in a synchronous real-time sending mode by using a synchronous wireless sending device for signals of traffic lights, then the signals are prepared to be received by a matched synchronous receiving device for signals of traffic lights in a wireless signal range, and even if the traffic lights are blocked by front vehicles, drivers can be reminded in real time in motor vehicles; by adopting a mode of synchronously sending road directions and GPS positioning information, the synchronous wireless sending device for signals of traffic lights can intelligently judge the road direction of a vehicle in a traffic junction, therefore, the system is suitable to be applied to complex traffic junctions, and can synchronously send other auxiliary information of corresponding road junctions while synchronously sending signals of traffic lights; and the system can be networked with an upper computer through a communication interface so as to realize data uploading and downloading, and networked with a remote data center so as to realize remote control and interaction, therefore, traffic lights are safer and more intelligent, humanized and efficient, and satisfy the needs of the intelligent Internet of things.
Owner:毕海云

Nano complex particles with targeted MR (magnetic resonance) development and photothermal therapy performance and preparation method thereof

The invention relates to a method for preparing targeted metal nano complex particles with a magnetic resonance contrast imaging function and a near infrared photothermal ablation treatment function in the technical field of nanometers. The method comprises the following steps of: preparing Fe3O4 nanocrystal clusters with high magnetic saturation strength and superparamagnetic properties by a hydrothermal method, wherein the surfaces of the Fe3O4 nanocrystal clusters are coated with chitosan, so that the Fe3O4 nanocrystal clusters have extremely high water dispersibility and remodification properties; then loading gold nanoparticles on the Fe3O4 nanocrystal clusters to form a nano gold shell by a seed growing method; and finally fixing an EFRF antibody on the surface of the gold shell by using a chemical bond to obtain a multifunctional targeted nanoparticle complex. The targeted metal nano complex particles have an MR (magnetic resonance) development effect and an photothermal tumor ablation effect, can be widely applied to the fields of early diagnosis of tumors, tumor treatment and the like, can also be used for evaluation before or after treatment, intraoperative detection andthe like and has the advantages of recycling, no chemo-treatment toxicity and the like.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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