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46results about How to "Realize pooling" patented technology

Synchronous mutual-assistance classroom teaching system

PendingCN107945592AEnable real-time interactionRealize "face-to-face" interactive question answeringTelevision system detailsColor television detailsPickupBroadcasting
The invention provides a synchronous mutual-assistance classroom teaching system comprisi a main classroom unit and two remote classroom units. The main classroom unit arranged in a high-quality recoding and broadcasting teaching room has an interactive terminal. The two remote classroom units are provided with normalized recording and broadcasting systems and are equipped with interactive terminals, high-definition cameras, pickup units, audio processors, all-in-one units, and loudspeakers and the like. The omnidirectional pickup units pick up sounds in all directions and the collected soundsare processed by the audio processors in a high-quality manner. A cloud recoding and broadcasting platform carried out operation by means of network school connection. With interactive teaching and paired assistance, good-quality resource sharing is realized and an objective of education balancing is achieved. Therefore, the children in low-quality schools can share the high-quality education resources. During the process of interactive teaching, main teachers and assisted teachers prepare lessons jointly and teaching reflection and teaching evaluation are carried out, so that the professional development of teachers is realized and the collection of high-quality education resources is realized.
Owner:杨斌

External information acquisition device of computer Internet of things

The invention provides an external information acquisition device of a computer Internet of things, relates to the technical field of Internet-of-things information acquisition, and solves the problems as follows: rainwater can not be avoided while elastic looseness prevention of a bolt is realized; an elastic buffer structure and a narrow air channel cannot be organically combined with each other through structural improvement; and organic combination of rainwater drainage and elastic looseness prevention of a bolt cannot be achieved through structural improvement. The external information acquisition device of the computer Internet of things comprises a mounting base, and an acquisition device body is mounted in the mounting base. A rectangular plate is welded to the bottom end face of the inner wall of the mounting base, the rectangular plate is in threaded connection with a fastening bolt, and the head end of the fastening bolt makes contact with an acquisition device body. The rectangular plate forms a drainage structure of rainwater at the top of the mounting base and further forms an elastic anti-loosening structure of the fastening bolt, so that the rectangular plate can achieve drainage of rainwater flowing down from the top of the mounting base and elastic anti-loosening of the fastening bolt.
Owner:CHONGQING VOCATIONAL COLLEGE OF TRANSPORTATION

Intelligent grounding line system and working method

The invention relates to an intelligent grounding line system and a working method. The intelligent grounding line system includes a grounding line device, a detection unit installed on the groundingline device, and a host computer. The grounding line device is suitable for clamping a grounding line for operation. The detection unit is suitable for detecting status information of the grounding line device, and sending the same to the host computer. According to the system, grounding line status is monitored in real time, and is uploaded to the host computer for centralized monitoring and management, thus collection, centralized display and information sharing of the temporary grounding line status are realized, and thus the problems of grounding line mis-taking, error-hanging, mis-hangingand removal missing in a jurisdiction are safely and effectively solved.
Owner:CHANGZHOU AITE TECH

Novel assembly type planting roof drainage groove and drainage system

The invention discloses a novel assembly type planting roof drainage groove. The novel assembly type planting roof drainage groove comprises a drainage blind groove, a three-way drainage assembly anda four-way drainage assembly. The drainage blind groove is a groove body with two ends opened. A protruding strip is arranged at one end of the drainage blind groove. A groove used for the protrudingstrip to insert in formed in the other end of the drainage blind groove. Water storing holes are formed in the lateral face of the drainage blind groove. The three-way drainage assembly comprises three openings. A protruding strip is arranged at one opening. A groove used for the protruding strip to insert is formed in one opening. A drainage opening is formed in another opening. The four-way drainage assembly comprises four openings. A protruding strip is arranged at one opening. A groove used for the protruding strip to insert is formed in one opening. A protruding strip / groove used for theprotruding strip to insert is formed in the rest two openings. The openings provided with the grooves can be matched with the openings provided with the protruding strips in an up and down mode to achieve sealing connection. Ventilation pipe inserting openings are formed in the upper portion of the three-way drainage assembly and / or the four-way drainage assembly. The structure is simple, assembling is flexible and convenient, mounting difficulty is little, and mounting space requirements are few.
Owner:KESHUN WATERPROOF TECH CO LTD

Neodymium iron boron waste acid-leaching slag flashing-reduction super-gravity metal-slag melting and separating comprehensive recycling method

ActiveCN109402316ASuperior reaction kinetic conditionsImprove recovery rateProcess efficiency improvementBrown iron oxideScrap
The invention discloses a neodymium iron boron waste acid-leaching slag flashing-reduction super-gravity metal-slag melting and separating comprehensive recycling method. The method comprises the following steps: uniformly mixing neodymium iron boron waste acid-leaching slag and a fluxing agent, spraying the mixture together with reduction gas into a high-temperature vertical reaction tower spacevia a spray nozzle, wherein a majority of iron oxide in the material is reduced into metal iron, little iron which is not reduced is reduced into metal iron when passing by a hot coke layer arranged above a settling pond, and rare earth in the material is mixed with the slag in an oxide form; discharging the molten iron and rare-earth slag high-temperature mixed melt into a super-gravity metal-slag melting and separating device, under a super-gravity effect, enabling the molten iron to pass through a porous ceramic filter membrane, intercepting the rare-earth slag in a rotary drum, so that therare earth and the iron in the neodymium iron boron waste can be efficiently concentrated and separated, the defect that the traditional neodymium iron boron waste acid-leaching slag is difficult tocomprehensively recycle can be overcome, and the economic benefit and the environmental protection benefit are good.
Owner:JIANGXI UNIV OF SCI & TECH

Neodymium iron boron waste double-flash supergravity slag metal melting comprehensive recovery method

The invention discloses a neodymium iron boron waste double-flash supergravity slag metal melting comprehensive recovery method. According to the method, neodymium iron boron waste and oxygen-rich airare sprayed into a reaction tower through a spray nozzle, the materials float down to the lower end from the upper end of the reaction tower in a highly dispersed floating state, and rare earth and iron in the materials are fast and fully oxidized; oxidation products and reducing gas are sprayed into another reaction tower through a spray nozzle, most of ferric oxide is reduced into metal iron, and the small amount of iron not reduced is reduced into metal iron when passing through a molten coke layer; and molten iron and rare earth slag high-temperature mixed melt enters a supergravity slagmetal melting device, under the effect of supergravity, molten iron permeates porous ceramic filter film, rare earth slag is retained in a drum, accordingly, efficient enriching and separation of therare earth and iron in the neodymium iron boron waste is achieved, the defects that a traditional neodymium iron boron waste treatment method is long in process, high in energy consumption, large in acid dissolution iron slag amount, low in rare earth recovery rate, difficult in iron resource recovery are overcome, and the economic and environment friendliness benefits are good.
Owner:JIANGXI UNIV OF SCI & TECH

Wind cloud satellite remote sensing surveying and mapping data management system

The invention discloses a wind cloud satellite remote sensing surveying and mapping data management system, which comprises a data management server, a data extraction module, a data conversion module, a data classification module and a data fusion module, and is characterized in that the data extraction module, the data conversion module, the data classification module and the data fusion module are in communication connection with the data management server. The system is connected with databases of different types, receives data files of different file formats, extracts wind cloud satellite remote sensing surveying and mapping data from the databases and the data files, converts the wind cloud satellite remote sensing surveying and mapping data extracted by the data extraction module into text data, classifies the text data converted by the data conversion module and performs data fusion on the text data classified by the data classification module, thereby realizing collection of multi-source wind cloud satellite remote sensing surveying and mapping data, enhancing the classification accuracy of the wind cloud satellite remote sensing surveying and mapping data and improving the utilization efficiency of later data.
Owner:胡友彬

Water-conservancy-based fishing and classified collection device for water floating object cleaning

The invention provides a water-conservancy-based fishing and classified collection device for water floating object cleaning, and relates to the field of environmental protection cleaning. The problems are solved that classified collection of floating objects in different sizes cannot be simultaneously performed in a fishing process, and manual classification is often needed after fishing; and a plurality of electric components are needed to realize the up-down moving, rotating fishing and unloading actions of fishing arms, and the actions cannot be realized through a flew electric componentsin cooperation with a linkage structure. The water-conservancy-based fishing and classified collection device for water floating object cleaning comprises a hovercraft body, and a body frame is fixedly connected to the hovercraft body through bolts. When an electric telescopic rod pushes a fishing frame to move downwards, gear rows and the fishing frame move downwards synchronously, when the gearrows touch the bottom end faces of the inner walls of sliding seats, fishing arms are released from limitation and automatically switched to a vertical state due to their gravity, and finally the fishing frame continues to move downwards to make the fishing arms plunge into water.
Owner:王艳丽

Solar cell and preparation method thereof

The invention relates to a solar cell and a preparation method thereof. The solar cell includes a power generation body, a first electrode and a second electrode. The power generation body includes alight receiving side and a backlight side arranged opposite to each other. The first electrode is arranged on the light receiving side of the power generation body, and the second electrode is arranged on the backlight side of the power generation body. Wherein the first electrode comprises a first graphene layer. The solar cell of the invention adopts a graphene layer as a transparent conductivelayer, has the advantages of good conductivity and high light transmittance, solves the problems of light shielding of grid lines, high resistivity and high cost, and improves the conversion efficiency of the solar cell. The invention uses molten gallium-containing catalyst and inert gas containing alkane to directly grow graphene layer at low temperature, improves the quality of transparent conductive layer of graphene and simplifies the preparation step.
Owner:德运创鑫(北京)科技有限公司

Condensation solar water heater

The invention relates to a condensation solar water heater. The water heater comprises a condensation assembly and a heating assembly, wherein the condensation assembly comprises a condensation plate,the condensation plate comprises a spherical reflecting plate, a reflecting layer is arranged on the surface of the reflecting plate, the condensation plate is connected with a retroreflector througha support, and the retroreflector is located at the sphere center position of the spherical reflecting plate; a light collecting cylinder is arranged at the center of the spherical surface of the condensation plate, a light collecting lens is arranged at one end of the light collecting cylinder, the light collecting lens is located on one face, provided with a reflecting layer, of the light collecting plate, a condensation assembly is arranged at the other end of a reflecting cylinder, the condensation assembly further comprises a light guide cylinder installed in the reflecting cylinder, a condensation lens is arranged in the light guide cylinder, and an enoscope is further arranged in the light guide cylinder; and the heating assembly comprises a connecting cylinder which is fixedly connected with the light guide cylinder, a heat collecting cylinder with an annular section is arranged in the connecting cylinder, an annular heat collecting cavity is formed in the heat collecting cylinder, and a light-transmitting hole is formed in the annular middle of the heat collecting cylinder.
Owner:JIANGSU SUNNIC SOLAR ENERGY INDAL

A method for comprehensive recovery of NdFeB waste acid leaching slag flash reduction supergravity slag financial fraction

The invention discloses a neodymium iron boron waste acid-leaching slag flashing-reduction super-gravity metal-slag melting and separating comprehensive recycling method. The method comprises the following steps: uniformly mixing neodymium iron boron waste acid-leaching slag and a fluxing agent, spraying the mixture together with reduction gas into a high-temperature vertical reaction tower spacevia a spray nozzle, wherein a majority of iron oxide in the material is reduced into metal iron, little iron which is not reduced is reduced into metal iron when passing by a hot coke layer arranged above a settling pond, and rare earth in the material is mixed with the slag in an oxide form; discharging the molten iron and rare-earth slag high-temperature mixed melt into a super-gravity metal-slag melting and separating device, under a super-gravity effect, enabling the molten iron to pass through a porous ceramic filter membrane, intercepting the rare-earth slag in a rotary drum, so that therare earth and the iron in the neodymium iron boron waste can be efficiently concentrated and separated, the defect that the traditional neodymium iron boron waste acid-leaching slag is difficult tocomprehensively recycle can be overcome, and the economic benefit and the environmental protection benefit are good.
Owner:JIANGXI UNIV OF SCI & TECH

Confluence field of multi-end flexible direct-current electric transmission system

The invention discloses a confluence field of a multi-end flexible direct-current electric transmission system. The confluence field comprises a confluence field bus, at least three ends of direct-current cable incoming lines are connected with the confluence field bus, a lightning arrester, a current measuring device and an isolation switch are connected between each end of direct-current cable incoming line and the confluence field bus, two ends of direct-current cable incoming lines are connected with the two ends of the confluence field bus respectively, and a single bus wiring mode is adopted as the wiring mode of the confluence field. Because the at least three ends of direct-current cable incoming lines are connected with the confluence field bus in different directions and the lightening arrester, the current measuring device and the isolation switch are arranged between each end of cable and the confluence field bus, energy convergence and distribution for multi-power source power supply and multi-drop point electricity receiving is achieved. Because the single bus wiring mode is adopted, segmented arrangement is not needed, the wiring mode is simple and practical, the economical efficiency is good, and the wiring requirement of the multi-end flexible direct-current electric transmission system is met.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD

Garbage collection station suitable for residential area

The invention discloses a garbage collection station suitable for a residential area. The garbage collection station comprises a garbage can body, a recycling assembly and a purifying assembly, wherein the interior of the garbage can body is divided into a plurality of garbage cans through a plurality of baffles arranged in parallel; the recycling assembly comprises a sewage tank, a sewage tank and a water collecting tank; the bottom of each garbage can is provided with a recovery ditch enabling leachate to automatically flow into the sewage tank; the water collecting tank is located at one end of the sewage tank and flushes the sewage tank, and the sewage tank is located at the other end of the sewage tank and collects flushing liquid; the purifying assembly comprises an air exhaust fan and a purification chamber; and the air exhaust fan exhausts air from each garbage can, and the air is conveyed into the purification chamber, filtered, adsorbed and deodorized through a purification component in the purification chamber and then discharged. The garbage collection station suitable for the residential area is simple in structure, not only achieves collection, flushing and collection of garbage leachate and avoids overflow of the garbage leachate, but also effectively achieves purification treatment of peculiar smell of garbage and avoids pollution to the surrounding environment.
Owner:XUZHOU UNIV OF TECH
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