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1446results about How to "Solve resource problems" patented technology

Parking management system and method based on Internet of things

The invention discloses a parking management system and method based on the Internet of things. The system comprises a cloud platform, a graphical parking lot management platform, a first mobile terminal and a second mobile terminal; the graphical parking lot management platform comprises a parking lot entity graphical interface display module, parking stall locks and a parking stall monitoring assembly, the parking stall locks upload state information of parking stalls automatically, and the parking stall monitoring assembly issues parking stall information to the cloud platform; and the cloud platform manages parking stall information, transaction and users, and provides a navigation service. When an owner of a certain parking stall issues vacancy information of the parking stall via the first mobile terminal, a user reserves the parking stall via the second mobile terminal, the parking stall is locked by the unique user after reservation succeeds, when the user arrives at the parking lot and enters parking lot after identity recognition, the user is autonomously or automatically navigated to the preserved offline parking stall, and the system carries out electronic settlement automatically after use. Thus, the value of limit resources is maximized.
Owner:CHONGQING DINGCHECHE TECH CO LTD

Technology for recovering water resources and salt from coking wastewater in coal chemical industry

A technology for recovering water resources and salt from coking wastewater in the coal chemical industry comprises the following steps: the wastewater is subjected to defluorination chemical treatment and subjected to sodium carbonate softening and precipitating treatment simultaneously, an advanced oxidation process is used for TOC (total organic carbon) degradation, a multi-medium and activated carbon filter is used for filtering separation, ultrafiltration is performed, nanofiltration membrane separation is performed, calcium and magnesium ions are separated, the calcium and magnesium ions in water produced through nanofiltration are lower than 2 mg / L, CaF2 crystallization scaling is hard to form, and nanofiltration passing liquid and nanofiltration strong brine are obtained; the nanofiltration passing liquid and the nanofiltration strong brine are treated respectively. Fluoride ions, hardness and organic carbon in the wastewater are removed, separation of multivalent salt and monovalent salt as well as concentration and evaporative crystallization of the salt is realized, more than 98% of the water resources is recovered, more than 95% of the salt resources are recovered, secondary hazardous waste is not produced, the system operation cost is reduced, and the problem about resource recovery and the environmental problem are solved finally.
Owner:湖南湘牛环保实业有限公司

Harmless disposal method of kitchen garbage

The invention relates to a harmless disposal method of kitchen garbage, which comprises the following steps of: (1) pretreatment: after unloading the kitchen garbage, performing solid-liquid separation, rough crushing, crushing and sorting and performing magnetic separation, and recycling metal substances mixed in the kitchen garbage; (2) hydrothermal hydrolysis: after the pretreatment, adopting the hydrothermal hydrolysis to fully inactivate viruses and bacteria in the kitchen garbage, separating out animal and vegetable fatty oil from the kitchen garbage, and hydrolyzing organic materials at the same time; (3) using the fatty oil obtained in the step (2) as an industrial fatty oil material or further performing deep processing to obtain fatty acid methyl ester or biodiesel; mixing and proportioning the pasty organic materials and then conveying into an anaerobic fermentation system; and conveying large granular organic materials into an aerobic biological fermentation device. The method provided by the invention realizes harmless disposal of the kitchen garbage mainly by the pretreatment and the hydrothermal hydrolysis process, increases the conversion rate of biological energy of the kitchen garbage and increases the economic benefit of kitchen garbage recycling products.
Owner:CHINA URBAN CONSTR DESIGN & RES INST CO LTD +2

Method and device for allocating resources in OFDM/MIMO system

The invention discloses a method and a device for scheduling resources in an OFDM/MIMO system. In the method and the device, cell users are divided into cell edge users or cell center users and the resources are allocated to the cell edge users and the cell center users. The method comprises the following steps of: dividing time-frequency resources into a first resource group and a second resource group and dividing the first resource group and the second resource group into a plurality of resource blocks; configuring master resources and auxiliary resources in the first resource group for the cells and configuring the master resources and the auxiliary resources in the second resource group for the cells according to the plurality of resource blocks; and allocating the master resources in the first resource group and the second resource group to the cell edge users and allocating the auxiliary resources in the first resource group and the second resource group to the cell center users. Through the method and the device, interference among the cells is avoided, simultaneously the service requirements of the users on delay requirement, bandwidth and the like are met and the communication quality of the cell edge users is improved.
Owner:COMBA TELECOM SYST CHINA LTD

Comprehensive recovery technology of solid waste gas ash and zinc-containing ferrovanadium slag

The invention provides a comprehensive recovery technology of solid waste gas ash and zinc-containing ferrovanadium slag. By combining advantages of low iron content and rich carbon of gas ash and characteristics of high iron content and rich precious metals of ferrovanadium slag, and by the adoption of a rotary-kiln fire method fuming enrichment technology, the material undergoes comprehensive recovery. Advanced equipment such as a waste heat boiler, a negative-pressure bag collector, a pneumatic emulsification desulfurization tower and the like are configured to carry out efficient recovery and harmless environmental-protection processing of flue gas so as to achieve the purpose of clean production. By a beneficiation combined method, iron-containing kiln slag undergoes high added-value exploitation. Thus, the environmental protection problem of resource disposition is solved, and the effect of comprehensive utilization with low energy consumption, high yield and high added-value is achieved. Problems of short kiln age, high energy consumption and low concentration of SO2 during the treating process of ferrovanadium slag can be solved by the technology provided by the invention, and problems of poor iron separation effect and overhigh content of fluorine and chlorine in zinc hypoxide also can be solved. The technology has good economic benefit and high popularization and practical value.
Owner:北京事竟成有色金属研究所

Single-component self-phosphatizing antirust acrylic emulsion, and preparation method and application thereof

The invention discloses a single-component self-phosphatizing antirust acrylic emulsion, and a preparation method and application thereof. Self-made epoxy monoacrylate and acrylic phosphate used as monomers are subjected to radical copolymerization with acrylic acid monomer; and a seed emulsion semicontinuous method is utilized to obtain the emulsion. The emulsion used as a film forming material is matched with related pigment, filler and assistants to obtain water-based paint. When being used on the automobile leaf spring surface, the water-based paint can be cured at 80 DEG C within 20 minutes to form a film, of which the adhesive force is Grade 0, the hardness is 3H and the salt-fog resistance is 1000 hours. The method solves the problems of poor water resistance, salt-fog resistance, weather resistance and storage stability of the coated film of the existing antirust emulsion; and the method also solves the problems of incapability of recycling ground waste, and poor antirust capacity of unit coating thickness in the existing automobile leaf spring application process, and omits the procedure of phosphatizing on the substrate surface before application due to the introduction of the phosphate monomer.
Owner:武汉海源九天新材料有限公司 +1

Method for preparing microcrystalline foam glass by using high titanium blast furnace slag and waste glass powder

The invention discloses a method for preparing microcrystalline foam glass by using high titanium blast furnace slag and waste glass powder. The method comprises the following steps: grinding the high titanium blast furnace slag and waste glass powder, uniformly and fully mixing the high titanium blast furnace slag, the waste glass powder, a fluxing agent, a foaming agent and a foam stabilizer, pressing into a block, adding the mixture block into a heating device and preparing the microcrystalline foam glass at a low temperature according to a specific heat treatment process by using a one-step sintering method. According to the characteristic that the high titanium blast furnace slag which is rich in TiO2 can serve as a nucleation agent, the low-melting-point waste glass powder serves as a silicious raw material, a proper amount of corresponding fluxing agent and sintering process are matched, the preparation temperature is greatly reduced, and the preparation can be finished through one-step sintering; and therefore, the energy consumption can be reduced, the process is simplified, the cycle is shortened, the cost is saved, the product which is uniform in cells, moderate in cell diameter, low in volume density, low in water absorption rate, good in thermal insulation effect and high in mechanical strength can be obtained, and the additional value of high titanium blast furnace slag utilization is improved.
Owner:SICHUAN UNIV

Cloud computing resource scheduling method based on game theory

The invention discloses a cloud computing resource scheduling method based on game theory. The method is characterized by including the specific steps of step 1, receiving a user request, analyzing and judging whether available resources meet a demand, rejecting the request if the available resources do not meet the demand, and otherwise, entering the next step; step 2, issuing a receiving request confirmation message; step 3, establishing a cloud user resource scheduling game model with users as game participants or a cloud provider resource scheduling game model with available physical machines of a cloud data center as game participants, and forming an optimal resource allocation scheme; and step 4, completing a virtual unit creation process, and executing the task request of the user. According to the method, a theory method of the game theory is introduced, different optimization targets are customized for different cloud computing environments, the corresponding resource scheduling game models are established, the cloud user resource scheduling game model with the cloud users and cloud providers as the game participants is established, and problems of unfair resource allocation and an insufficient resource utilization ratio are solved by corresponding resource scheduling algorithms.
Owner:CHONGQING INST OF ENG

Method for extracting vanadium from vanadium-containing steel slag by using highly-alkaline sodium hydroxide medium

The invention relates to a method for extracting vanadium from vanadium-containing steel slag by using a highly-alkaline sodium hydroxide medium, belonging to the technical field of metallurgy. The technical scheme comprises the following steps: adding steel slag, water and NaOH into a reactor together, wherein the mass concentration of the NaOH solution is 65-90%; decomposing and leaching under atmospheric pressure, and diluting the obtained slurry with a diluter to obtain a slurry mixture; and separating the slurry mixture by filtering at constant temperature, and washing the slag with a washing solution to obtain tailings and a vanadium-containing water solution. The method provided by the invention can be implemented under atmospheric pressure at low temperature (greatly lower than the roasting temperature in the traditional pyrogenic process), and is easy to operate and safe; and the extraction rate of vanadium is greatly higher than that of the existing vanadium recovery technique based on the pyrogenic process and wet process, the one-time recovery rate of vanadium is 85-90%, and the total content of vanadium in the tailings is 0.3-0.6 wt%. The invention solves the problem that vanadium in the vanadium-containing steel slag can not be easily recovered, and has the advantages of high recovery rate of vanadium, low production cost, favorable economic benefit and environmental benefit, and the like.
Owner:承德承钢柱宇钒钛有限公司

Mobile phone interconnection-based vehicle-mounted speech recognition system and recognition method

The invention provides a mobile phone interconnection-based vehicle-mounted speech recognition system and recognition method. With the mobile phone interconnection-based vehicle-mounted speech recognition system and recognition method adopted, recognition rate and recognition speed can be ensured, and a problem of much occupation of the memory of a vehicle-mounted terminal by network resources of speech recognition can be solved. The system includes a microphone, a vehicle-mounted terminal which sends speech information to a mobile phone end and receives speech recognition result of the mobile phone end or a cloud speech recognition engine, the mobile phone end which analyzes and recognizes the speech information through mobile phone application software so as to obtain the speech recognition result of the mobile phone end, sends the speech information to the cloud speech recognition engine, receives the speech recognition result of the cloud speech recognition engine, performs arbitration on the speech recognition result of the mobile phone end and the speech recognition result of the cloud speech recognition engine through mobile phone application software, and sends the speech recognition result of the mobile phone end or the cloud speech recognition engine to the vehicle-mounted terminal according to an arbitration result, and the cloud speech recognition engine which analyzes and recognizes the speech information and sends the speech recognition result to the mobile phone end.
Owner:CHERY AUTOMOBILE CO LTD

Order asynchronous processing method and device, storage medium and terminal

InactiveCN107679931AImprove concurrent throughputUnbearable solutionBuying/selling/leasing transactionsMessage queueOrder management system
The invention is applicable to the technical field of communication, and provides an order asynchronous processing method and device, a storage medium and a terminal. The order asynchronous processingmethod comprises the steps of receiving an order transaction request sent by front-end equipment, caching the order transaction request to a message queue, and sending a response message to the front-end equipment so as to notify the front-end equipment that the order transaction request is successfully received; reading the order transaction request from the message queue according to a first-in-first-out sequence, and executing a transaction operation corresponding to the order transaction request to obtain a transaction result; and acquiring the transaction result, calling back a uniform resource locator provided by the front-end equipment to return the transaction result back to the front-end equipment so as to notify the front-end equipment that the order transaction request is successfully executed and the corresponding transaction result. The order asynchronous processing method solves the problems that a back-end server in the existing order management system cannot bear highconcurrency of front-end orders and resource waste is generated when the high concurrency of front-end orders is coped through capacity expansion.
Owner:PING AN TECH (SHENZHEN) CO LTD

Access control method for far-end terminal in D2D communication, and related device

ActiveCN105228218ASolve admission control problems and resource scheduling problemsSolve resource problemsAssess restrictionResource schedulingBase station
The present invention provides an access control method for a far-end terminal in D2D communication, and a related device. The access control method for the far-end terminal in D2D communication comprises: detecting the state and capability information of a relaying terminal when the relaying terminal receives a connection request sent by the far-end terminal; judging whether the relaying terminal is capable of performing resource scheduling and access control on the far-end terminal according to the state and capability information so as to obtain a capability identifier of the relaying terminal; and reporting the capability identifier to a base station, so as to determine a device for performing resource scheduling and access control on the far-end terminal by the base station according to the capability identifier and the use condition of communication resources of the base station. According to the technical solution provided by the present invention, an access control problem and a resource scheduling problem can be effectively solved when connection between the far-end terminal and the relaying terminal is built, so that the D2D communication between the far-end terminal and the relaying terminal can be performed.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD

Artificial substratum for hole-tray tomato seedling cultivation

The invention discloses an artificial substratum for hole-tray tomato seedling cultivation, which belongs to the technical field of soilless culture. The artificial substratum takes biogas dregs as a fertilizer source, and the fermentation raw material of the biogas dregs is chicken manure or pig manure; when the fermentation raw material of the biogas dregs is the chicken manure, the artificial substratum comprises the following components in mass percentage: 9 to 11 percent of biogas dregs, 39 to 41 percent of grass carbon, 39 to 41 percent of vermiculite and 9 to 11 percent of pearlite; and when the fermentation raw material of the biogas dregs is the pig manure, the artificial substratum comprises the following components in mass percentage: 19 to 21 percent of biogas dregs, 39 to 41 percent of grass carbon, 29 to 31 percent of vermiculite and 9 to 11 percent of pearlite. The biogas dregs in the formula of the artificial substratum of the invention can improve a growth indicator of tomato seedlings and reduce the accumulation of nitride in the plant bodies to a certain degree, so that the equality is improved; and the use of the biogas dregs reduces the used amount of the grass carbon, so that the production cost of the artificial substratum and the seedlings is reduced.
Owner:CHINA AGRI UNIV

Non-sintered ceramic aggregate with stone coal vanadium extraction tailings as main raw material and preparation method thereof

The invention relates to a non-sintered ceramic aggregate with stone coal vanadium extraction tailings as a main raw material and a preparation method thereof. The non-sintered ceramic aggregate comprises the following raw material components in percentage by weight: 45-60 percent of stone coal vanadium extraction tailings, 10-30 percent of fly ash, 7-15 percent of solid alkali exciter, 5-10 percent of cement, 5-10 percent of quick lime, 2-5 percent of gypsum and 5-15 percent of water. The preparation method comprises the following steps of: according to the raw materials and the contents thereof, uniformly mixing the stone coal vanadium extraction tailings and the solid alkali exciter and grinding to be below 0.074 mm to prepare a prefabricated material; adding the fly ash, the cement, the quick lime, the gypsum and the water into the prefabricated material and uniformly stirring to prepare a mixture; aging the mixture for 1-3 hours; pelletizing; aging for 3-7 days; holding in an autoclave; and autoclaving under the condition of 0.8-1.2 MPa for 6-10 hours. The non-sintered ceramic aggregate has the advantages of environmental friendliness, simple process, low energy consumption and high utilization rate of tailings; and a prepared non-sintered ceramic aggregate product has high strength and good thermal insulation performance.
Owner:WUHAN UNIV OF SCI & TECH
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