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206results about How to "Rich in channels" patented technology

Public service management system based on government cloud

InactiveCN106952021AOptimize service processCompressed approval time limitOffice automationResourcesBusiness logicPresentation layer
The invention relates to a public service management system based on government cloud. The public service management system comprises a three-tier service framework and a public service integrated management system. The three-tier service framework successively comprises a presentation layer, a business logic layer and a data access layer from top to bottom. The presentation layer comprises a web system, a mobile phone APP and a self-service terminal. The business logic layer comprises a village and town basic information system, a social conflict resolution system, a grassroots party building system, a convenience service system and a government service system. The data access layer provides basic data and a data structure for data collecting, settling and analyzing, and provides the data support service for the business logic layer. The public service integrated management system comprises user right management, service guide management, payment management, reservation information management, process management, early warning management, information release management and service access management. The public service integrated management system provides effective management means and functions for normal operation of the system and normal processing of businesses.
Owner:广州鼎义计算机有限公司

Production method of cellulose-based hydrogel adsorber used for treating heavy metal wastewater

The invention discloses a production method of a cellulose-based hydrogel adsorber used for treating heavy metal wastewater. The production method of the cellulose-based hydrogel adsorber used for treating the heavy metal wastewater comprises the following steps of placing cotton yarn in cellulose dissolving liquid, and after stirring and dispersing are conducted, conducting freezing to obtain a cellulose solution; adding sodium hydroxide into a mixed solution of dimethyl sulfoxide, epoxy chloropropane and triethylene tetramine, and conducting stirring to obtain a modifying solution; adding a polyvinyl alcohol solution into the cellulose solution, mixing the polyvinyl alcohol solution and the cellulose solution evenly, sequentially adding ammonium persulfate, an acrylic acid monomer and N,N'-Methylenebis(2-propenamide), and conducting stirring and polymerization to obtain a gelatinous polymer; and placing the gelatinous polymer into the modifying solution, conducting soaking, carrying out a heating reaction, and washing a product, which is obtained after the reaction is completed, with alcohol and water repeatedly to obtain the cellulose-based hydrogel adsorber used for treating the heavy metal wastewater. According to the production method of the cellulose-based hydrogel adsorber used for treating the heavy metal wastewater, a large number of amino groups are introduced to the surface of the cellulose-based hydrogel adsorber which is produced by means of cellulose in the waste cotton yarn so that heavy metal ions in the heavy metal wastewater can be efficiently and fast removed, and double purposes of using waste for treating waste are achieved.
Owner:赛普(杭州)过滤科技有限公司

Preparation method of microporous carbon material

The invention relates to a preparation method of a microporous carbon material. The method comprises the steps of; weighing a phenolic compound,a formaldehyde solution, water and sodium carbonate in a weight ratio of 1:4-7.5:60-90:0.01-0.015, mixing, reacting at 85 DEG C for 45-120 min, and then cooling to room temperature to obtain a phenolic prepolymer solution; then weighing polyhydroxy acid, zinc chloride, hydrochloric acid and water in a weight ratio of 1:0.4-3:5-7.5:15-25, and mixing to obtain a mixed solution; weighing the mixed solution and the phenolic prepolymer solution in a weight ratio of 1:2-6, adding the mixed solution into the phenolic prepolymer solution, mixing evenly, conducting a polymerization reaction at 85 DEG C for 2-4 days, cooling to room temperature after the reaction, washing the products with a solvent with low surface tension for 2-5 times, and then drying at 40-100 DEG C for 2-24 h to obtain solid blocks; heating the solid blocks to 900-1000 DEG C for carbonization, with heating rate of 0.5-10 DEG C / min in a tube furnace under protection of inert gas; and finally naturally cooling to a room temperature to obtain the microporous carbon material. According to tests, the obtained microporous carbon material has regular microporous structure and specific surface area higher than 1000m<2> / g.
Owner:TONGJI UNIV

Preparation method for novel nano-silver wire

InactiveCN104018189AConvenient thicknessHigh aspect ratioNanotechnologyElectrolysisNano structuring
The invention discloses a preparation method for a novel nano-silver wire. The preparation method comprises the following steps: taking a sliver salt or silver amide complex, adding a solvent for dissolving to obtain liquor A; taking organic substances, adding the solvent for dissolving to obtain liquor B; mixing the liquor A with the liquor B, stirring until dissolving completely; adding a complexing agent, uniformly stirring, stewing and layering to obtain liquor C; taking the liquor C as an electrolyte, inserting an anode to a water layer of the electrolyte, inserting a cathode to an oil layer of the electrolyte, carrying out electrolytic reaction for 1-30 minutes under the condition that voltage is 1-50V; flushing the reacted cathode polar plate by distilled water, naturally drying at the room temperature to obtain the nano-silver wire. The thickness and slenderness ratio of the nano-silver wire can be conveniently controlled by electric fields, so that the controllable growth of a nano structure is realized; morphology of the generated nano-sliver wire is controllable by regulating the current density, voltage and reaction time, and the novel nano-silver wire can be synthesized by a nano-silver wire with the diameter of 1-50nm and a nano rod. The preparation process is simple and low in cost, and efficiency for synthesizing the nano-sliver wire and the nano rod is higher.
Owner:NORTHEASTERN UNIV

Method for high-yield plantation of Salicornia and soil fertility improvement of coastal mud flat

The invention relates to a method for high-yield plantation of Salicornia and soil fertility improvement of coastal mud flat, which comprises the following steps: leveling mud flat salinized soil, furrowing and ditching; applying organic fertilizer into the mud flat salinized soil to fertilize soil; after applying the organic fertilizer into soil, sowing and earthing, which comprises mixing Salicornia seeds with fine sand and uniformly sowing the seeds into ditches; before emergence of seedlings of Salicornia, adopting seawater for irrigation, keeping the soil to be moist, and adopting seawater for irrigation within three weeks after the emergence of seedlings; after the three weeks after the emergence of seedlings, applying urea as topdressing, and applying fertilizer for three times during a growth period; and after applying fertilizer, immediately adopting fresh water for irrigation, after applying fertilizer during the growth period, adopting the fresh water for irrigation for three times, adopting the seawater for irrigation during other periods, and maintaining the soil to be moist. The method has the advantages that the yield of vegetables in salinized soil can be increased, and the nutrition quality is improved; the soil fertility cultivation of saline-alkali soil can be sped up, and the water sources can be saved; the raw materials has wide sources, and are easy to obtain; the development of coastal mud flat planting can be improved, the ecological environment can be improved, and the economical benefit can be increased; and the popularization prospect is wide.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Method and system for opening international roaming service in overseas heterogeneous network

Embodiments of the invention disclose a method and a system for opening international roaming service in an overseas heterogeneous network. The method comprises the steps that: a message interception system intercepts an authentication failure message returned to a roaming destination MSC / VLR by an HLR in the heterogeneous network and forwards the authentication failure message to an international roaming service system; the international roaming service system requests a client resource management system to query whether the user has the opening qualification of international roaming service; if the user has the opening qualification of international roaming service, the client resource management system writes user authentication data of the user in the HLR; the roaming destination MSC / VLR initiates an authentication process of the user to the HLR again; after the authentication of the user is passed, the roaming destination MSC / VLR initiates a position registration request message to the HLR; a signaling interception system intercepts a position registration failure message returned by the HLR to the roaming destination MSC / VLR and forwards the position registration failure message to the international roaming service system; and the international roaming service system requests the client resource management system to open the international roaming service for the user. The method and the system disclosed by the embodiments of the invention can be used for opening the international roaming service of the user in the overseas heterogeneous network by self-help service.
Owner:CHINA TELECOM CORP LTD

Method for preparing dual-molecular-sieve-containing cracking catalyst by using in-situ crystallization

A method for preparing dual-molecular-sieve-containing cracking catalyst by using in-situ crystallization is characterized by mixing 1 to 10 % by weight of a ZSM-5, 1 to 10 % of by weight of a Y molecular sieve, 1 to 15 % by weight of a binder and the balance being kaolin, pulping and atomizing to prepare microballoons with an average particle size of 50 to 80 microns; vacuum calcinating and dehydrating under 0.01 to 0.1 MPa and 150 to 500 DEG C for 0.5 to 4 hours, and calcinating under 500 to 900 DEG C for 1 to 10 hours, adding a sodium silicate solution with a solid / liquid ratio of 1 : 1-5; adjusting a pH value of the slurry to 12-14 with a sodium hydroxide solution; hydrothermally crystallizing 20 to 60 % by weight of a NaY molecular sieve with a silica-alumina ratio of 4.5 to 5.8 respectively under 50 to 100 DEG C for 0.5 to hours and under 80 to 130 DEG C for 15 to 40 hours; and hydrothermally exchanging for 1 to 3 times with a rare earth salt solution and an ammonium salt solution and calcinating under 400 to 750 DEG C for 1 to 4 hours for 1 to 2 times to prepare a catalyst with less than or equal to 1.0 % by weight of Na2O and 2 to 12 % by weight of rare earth oxide, wherein the catalyst contains the ZSM-5 molecular sieve and the Y molecular sieve, and has advantages of strong conversion capability of heavy oil, large liquid yield and high octane number of gasoline.
Owner:REZEL CATALYSTS CORP

Preparation method for N-doped nanometer hollow carbon sphere

The invention discloses a preparation method for an N-doped nanometer hollow carbon sphere. The method comprises the following steps: firstly, mixing ammonium hydroxide of a certain volume concentration, absolute ethyl alcohol and deionized water; placing the mixed solution onto a magnetic stirrer for stirring; adding a certain volume of ethyl orthosilicate into the mixed solution, continuing to put onto the magnetic stirrer and fully stirring the solution, thereby acquiring the silicon dioxide sphere; preparing dopamine hydrochloride solid into a solution with a certain concentration, dropwise adding the solution into the mixed solution, putting onto the magnetic stirrer and stirring; using a high speed centrifuge for centrifugally separating and cleaning the solution after the ending ofsolution, and then putting the solid into a drying oven for drying; calcining the solid under a nitrogen environment under high temperature and putting into a hydrofluoric acid with a certain concentration for etching; lastly, washing and drying the etched solid, thereby acquiring the N-doped nanometer hollow carbon sphere. The preparation method is simple, high in operability and pollution-free;the material has the advantages of porosity, abundant ducts, large specific surface area, and the like; the N-doped nanometer hollow carbon sphere can be used as an electrode material in a supercapacitor and meanwhile can be used as an adsorbent for absorbing bisphenol A, so that the material is multifunctional.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1

Method for processing reverse-osmosis concentrated water through catalytic ozone oxidation

A related method for processing reverse-osmosis concentrated water through catalytic ozone oxidation: dipping peanut shell powder in a phosphoric acid solution with the concentration of 60% according to the solid-liquid ratio of 1:1-1:3, transferring the material solution to a crucible for activation, cooling, washing with a hydrochloric acid solution with the concentration of 1%, washing with deionized water to get a pH value of 7, putting in a baking oven, baking at 105 DEG C to obtain a constant weight, performing grinding or ball-milling crushing and screening; dipping peanut shell activated carbon in a transition metal ion solution with the mass concentration of 0.1-10% according to a solid-liquid ratio of 1:1-1:10, baking to dry, roasting and grinding; adding into an ozone oxidation sewage processing system containing the reverse-osmosis concentrated water, and controlling the ozone oxidation sewage processing temperature to be 5-35 DEG C; and after processing is finished, separating out the peanut-shell-active-carbon-supported metal ion catalyst for next time of the catalytic process. The catalyst employed in the method is abundant in channel, large in specific surface area and more in surface active group, and has relatively strong adsorption and catalytic effects on organic pollutants in sewage.
Owner:PETROCHINA CO LTD

Ultrafast-response overcharge-prevention electrochromic device and preparation method thereof

The invention discloses an ultrafast-response overcharge-prevention electrochromic device and a preparation method thereof. The ultrafast-response overcharge-prevention electrochromic device comprisesa first transparent electrode, an ionic conduction layer, an organic electrochromic layer, an inorganic electrochromic layer and a second transparent electrode which are arranged in a sequentially laminated way. The ultrafast-response overcharge-prevention electrochromic device has the following beneficial effects that (1) the ionic conduction layer has the great pore diameter and is provided with many pore passages and facilitates positive ion transmission, so that the response speed of the device is accelerated; (2) the cooperative action of a plurality of positive ions is realized in the electrochromic process of the electrochromic device, so that the device has very high regulation capability; (3) in the ultrafast-response overcharge-prevention electrochromic device, a resin layer perse has good insulation capability, so that the electricity leakage can be prevented without adding an electron blocking layer; and (4) the wetting performance of a solid-liquid interface is better than that of solid-solid interface contact, so that the steric hindrance between interfaces is reduced, and the very high coloring efficiency is realized.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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