41results about How to "Limit churn" patented technology

Traditional methods of prediction of the likelihood of churning in a given market such as wireless telecommunications are improved by inclusion of social network analysis to predict churning by members of a population in response to churning by any given individual member of that population. A sphere of influence of individual members of the population on other members of the population are modeled and analyzed through a plurality of degrees of separation and quantitatively evaluated by a number of relational algebraic joins in which at least one such join includes weights to assert a diminishing influence with number of degrees of separation.

The invention provides a Chinese medicine residue humic acid organic / inorganic biological compound fertilizer which comprises the following active ingredients: Chinese medicine residues, humic acid, chicken manure and biological bacteria. According to the compound fertilizer disclosed by the invention, the hardened soil can be effectively improved, the raising soil fertility is improved, the content of organic matters is improved, the soil permeability is improved, the water and fertilizer retention capacity of the soil is improved, available active nutrients of the crops are converted, the activities of pathogenic bacteria are resisted by using special actions and effects of the traditional Chinese medicines, the antibacterial property of the crops is improved, the use amount of pesticides is reduced, and the food safety risk is reduced.

The invention relates to a microporous material loaded ion liquid composite material or film, and preparation thereof. According to the present invention, the hole cage of a crystallized or amorphous microporous material is adopted as an ion liquid support carrier to prepare the corresponding novel microporous material-ion liquid composite material or microporous material-ion liquid composite film; in-situ synthesis and post-treatment are performed to obtain the novel microporous material loaded ion liquid composite material and the film thereof; and the novel microporous material loaded ion liquid composite material and the film thereof provide special selective adsorption and good separation and purification on small molecule gas.

The invention provides a composite material of metal nano particles and a microporous coordination polymer and a preparation method thereof. The metal nano particles of the composite material are palladium or platinum nano particles. The microporous coordination polymer is an iron-based microporous coordination polymer MIL-53(Fe) having a topological structure, the general formula may be written as Fe (OH).H2O, wherein L is an organic ligand, iron ions are connected by oxygen and carboxyl of the organic ligand to form zigzag chains, and these chains are connected by the organic ligand to form an ID open-framework structure. Stirring is performed at normal temperature and normal pressure to dissolve iron salts in an organic solvent to form a brown solution, the organic ligand is added until dissolving, the solution of the metal nano particles is added to prepare a mixed solution, and reaction is performed on the obtained mixed solution to obtain the target object. Based on the added iron salt, the yield is 35-87%, and the mass content of the metal nano particles is 0.01-20%. The composite material has high thermal stability and large specific area, can be used for deep desulfurization of the oil products, and has selective catalytic action on some special molecules.

The invention provides a composite shape-stabilized phase change material. The phase change material is a crystallized hydrated salt phase change material, and a support material is meerschaum. A preparation method of the phase change material comprises the following steps: performing acid treatment, high-temperature treatment and organic treatment on the meerschaum in sequence; performing an adsorption reaction on the treated meerschaum and a saturated aqueous solution of a crystallized hydrated salt under a vacuum condition to obtain a novel composite shape-stabilized phase change material. The composite shape-stabilized phase change material has the advantages that 1) packaging and shape stabilizing of the phase change material are realized through the porous structure of the meerschaum, the loss of phase change material crystal water is limited successfully through a functional group of the meerschaum, phase separation is reduced, and the crystallization performance and phase change energy storage feature of the crystallized hydrated salt phase change material are ensured; 2) raw materials of the support material and the phase change material are low in prices and readily-available; the composite preparation method is simple and convenient. By adopting the composite shape-stabilized phase change material and the preparation method, the phase separation phenomenon, overcooling phenomenon and leakage are reduced, and the stability of the phase change material in a long-term use process is improved; the phase change material has a wide application prospect in the phase change heat storage field.

The invention discloses an upper cover structure of a lead acid battery. The upper cover structure comprises a cover body and a cover plate, and the cover body is provided with a plurality of fillingopenings which are corresponding to various chambers leading to a storage battery box body; and the filling openings are respectively provided with a cover cap in a covering manner, a movable cover ofthe cover plate is arranged on each filling opening, the cover cap is provided with an air vent, and a closed structure which can automatically open a valve according to preset pressure is respectively arranged between the filling openings and the corresponding chambers of the storage battery box body. Compared with the prior art, the upper cover structure of the lead acid battery has beneficialeffects of being capable of limiting loss of sulfuric acid and water in formation and use, thus prolonging service life of the storage battery and avoiding environmental pollution; and the upper covercan be directly arranged on the box body in a capping manner and then formation is carried out, thus simplifying production procedures and then lowering production cost.

The invention provides a composite material of Keggin type heteropoly acid or heteropoly acid salt and a carbon molecular sieve, a preparation method and application thereof. In the composite material, Keggin type heteropoly acid or heteropoly acid salt molecules grow in situ in the pore channels of the carbon molecular sieve. Specifically, the structural general formula of the Keggin type heteropoly acid or heteropoly acid salt is H(Na, K)n[XM12O40], X represents a central heteroatom and X = P, Si, Ge, As, M represents a coordination atom and M=Mo, W, and n is 3 or 4; and the carbon molecularsieve is obtained by calcination of zeolite imidazole ester coordination polymer ZIF-8 under inert gas protection. The method provided by the invention utilizes the carbon molecular sieve obtained bycalcination of zeolite imidazole ester coordination polymer ZIF-8 under inert gas protection as the carrier for in-situ growth of Keggin type heteropoly acid or heteropoly acid salt molecules in thepore channels of the carbon molecular sieve, and also utilizes the pore channel size of the carbon molecular sieve to limit the loss of Keggin type heteropoly acid or heteropoly acid salt molecules inthe reaction process.

Traditional methods of prediction of the likelihood of churning in a given market such as wireless telecommunications are improved by inclusion of social network analysis to predict churning by members of a population in response to churning by any given individual member of that population. A sphere of influence of individual members of the population on other members of the population are modeled and analyzed through a plurality of degrees of separation and quantitatively evaluated by a number of relational algebraic joins in which at least one such join includes weights to assert a diminishing influence with number of degrees of separation.

The invention discloses a method for treating human excrement. The method comprises the steps as follows: (1) a liquid in the human excrement is discharged into an original liquid storage tank, and solids are dehydrated; (2) solids obtained after dehydration treatment in the step (1) are subjected to aerobic fermentation after being crushed; (3) secondary fermentation is performed; (4) materials obtained after the secondary fermentation are used as solid fertilizer. The invention also discloses a system adopting the method. The system comprises impurity removal equipment A, a dewatering deviceA, the original liquid storage tank, a crusher A, a distributor A, a full-closed fermentation tank A, an oxygen generator and the like. The method and the system for treating the human excrement havethe advantages as follows: a complete production process is provided for recycling of human excrement, a scheme is provided for urban emission reduction and sewage treatment plant pressure reduction,waste can be reused, and sustainable development can be realized really.

The invention relates to the field of fuel cell catalysts, and in particular relates to a preparation method and application of a platinum-based catalyst based on an etching treatment carbon carrier.The preparation method comprises the steps of firstly, preparing an etched carbon carrier; then, adding chloroplatinic acid into an ethylene glycol solution, adding sodium citrate and the carbon carrier, adjusting the pH value of the solution after uniform dispersion, and placing the solution in a sealed high-pressure reaction kettle for a reaction; and cooling, adjusting the pH value, carrying out ultrasonic treatment, filtering and drying to obtain the platinum-based catalyst based on the carbon carrier subjected to etching treatment. According to the invention, the operation is simple; theetched carbon carrier has a stable structure and a large specific surface area; uniform dispersion and attachment of platinum nanoparticles can be promoted; the electrochemical active surface area ofthe catalyst nanoparticles is increased; the catalytic activity is improved; migration and loss of the platinum nanoparticles are limited, and the stability is improved; and in addition, the catalystusing the etching treatment carbon carrier shows higher activity and stronger stability than a commercial Pt / C catalyst.

The invention discloses a ceramic diaphragm. A diaphragm base material is coated with a first aqueous slurry coating, and the surface of the first aqueous slurry coating is coated with a second aqueous slurry coating. The thickness of the second aqueous slurry coating is greater than that of the first aqueous slurry coating. The compactness of the first aqueous slurry coating is greater than thatof the second aqueous slurry coating. The invention further discloses a lithium ion battery containing the ceramic diaphragm. The ceramic diaphragm disclosed by the invention has the characteristics of strong cohesiveness, good drying effect and excellent electrochemical performance.

The invention relates to the technical field of biological remediation of organic polluted soil, in particular to a strengthening remediation method and device for a bioreactor. The three-in-one windpower integration device comprises a leachate reciprocating distribution system, a power supply system and an electrolyte nutrient supply system pipeline; and the leachate reciprocating distribution system is arranged at the bottom of the device, the power supply system is composed of at least one electrode group of a sandwich-liked structure, and the electrolyte nutrient supply system is composedof the electrolyte nutrient supply system pipeline and an intermediate layer electrolyte nutrient supply system pipeline. According to the method and the device, the cathode design of a wind power integration mode effectively improves the anoxic environment at the bottom of a reactor body, so that secondary pollution is avoided and organic pollutants are thoroughly removed through the leachate circulation design, the remediation efficiency of the bioreactor technology on the organic polluted soil is effectively improved, and the method is an effective realization method for strengthening application of the bioreactor repair technology.

An oral disintegrating tablet is prepared from storax, borneol, filler, disintegrant, flavouring, lubricant and flowing aid. Its preparing process is also disclosed. Its disintegrating time is 10-50 S.

The intention provides a method for directly producing hydrogen by catalyzing methane conversion through microwaves, and the method comprises the following steps of: directly catalyzing methane conversion to generate hydrogen under the action of microwaves by using a composite nano-structure catalyst which is Ni / Mo2C / gamma-Al2O3; the preparation method of the composite nano-structure catalyst comprises the following steps: firstly, loading Mo2C on gamma-Al2O3 by adopting an impregnation method to obtain a composite carrier with one or more layers of Mo2C films flatly laid on the gamma-Al2O3, and then loading an active component Ni on Mo2C / gamma-Al2O3 by adopting a urea precipitation method to obtain the composite nano-structure catalyst. The catalyst can be prepared. The problem of poor activity of the nickel-based supported catalyst under the existing microwave condition is solved. The problems that an existing microwave catalyst is poor in carbon deposition resistance, prone to inactivation, poor in stability and the like are solved to a certain extent.

The invention relates to a pumping speed limiting method and device in fabrication of a negative electrode of a photomultiplier. The pumping speed limiting device comprises a photomultiplier and a vacuum pumping tube, wherein the photomultiplier is connected with one end of the vacuum pumping tube by a connection tube, the other end of the vacuum pumping tube is connected with a vacuum pumping device, a horizontal glass tube is arranged between the connection tube and the vacuum pumping tube and is perpendicular to the axis of the vacuum pumping tube, a sliding block is arranged in the horizontal glass tube and is used for sealing an air inlet of the vacuum pumping tube. By the pumping speed limiting device in fabrication of the negative electrode of the photomultiplier, alkali metal loss is effectively limited, the vacuum degree during the fabrication process and the vacuum degree in a finished tube cannot be affected, and the pumping speed limiting device is low in cost and is convenient to operate and simple to maintain.

The invention provides preparation and application of a lithium-sulfur battery positive electrode composite material. A titanate precursor is synthesized by a simple one-step hydrothermal method; titanate is stirred for 7 to 8 days in water bath with the temperature of 60 to 80 DEG C to synthesize anatase-phase TiO2 mesocrystal; and TiO2 mesocrystal and S are compounded to prepare the lithium-sulfur battery positive electrode material. A lithium-sulfur battery obtained by the prepared TiO2 mesocrystal and S composite material serving as a positive electrode has excellent cycle stability, wherein the capacity maintains to be 327.4 mAh / g when the lithium-sulfur battery performs charging and discharging circulation for 500 circles and the current density is 1670 mA / g; and the average capacity of each circle is only 0.085 percent.

The invention discloses a processing technology for prolonging antibacterial and mildew-proof performance of a cotton and linen blended fabric, and relates to the technical field of blended fabric processing. The processing technology specifically comprises the following steps of 1, pretreating cotton fibers; 2, preparing manganese dioxide nanowires; 3, uniformly mixing the manganese dioxide nanowires and the pretreated cotton fibers, drying, adding nano-silver into molten paraffin to obtain a paraffin mixed solution, and adding a mixture into the paraffin mixed solution for vacuum impregnation; 4, blending the antibacterial cotton fibers, linen fibers and polyester fibers, and processing to obtain the finished cotton and linen blended fabric. According to the processing technology, the mixture of the pretreated cotton fibers and the manganese dioxide nanowires is used as a carrier, the nano-silver particles are added into the molten liquid paraffin, vacuum and impregnation treatment is carried out, so that the nano-silver and the paraffin permeate into gaps of the pretreated cotton fibers together, leakage and loss of the nano-silver are limited, and therefore, the antibacterial property of the blended fabric can be effectively prolonged.

The invention discloses a mineral fiber treatment system and a treatment method thereof. The system comprises a deslagging device, a chopping device, a drying device and a grading device which are sequentially arranged and used for deslagging, chopping, drying and screening mineral fibers containing ball slag. By means of the slag removal device, ball slag mixed in mineral fibers can be effectively removed, loss of the mineral fibers in the slag removal process can be reduced, and the productivity of the mineral fibers is improved. The mineral fibers are chopped and dried through the choppingdevice, the drying device and the grading device, too short mineral fibers and other fine impurities are removed, and the obtained mineral fibers are good in quality.

The invention discloses a refrigerator container for a refrigerator. The refrigerator container comprises a refrigerator container body and a refrigerator container periphery portion. The refrigerator container periphery portion extends outwards from the periphery of the refrigerator container body, and a connecting position of at least two of two vertical walls and two horizontal walls in the refrigerator container periphery portion and the refrigerator container body forms a step shape with at least one step from the front to the back and from the top to the bottom. An embodiment of the refrigerator container for the refrigerator strengthens the structure of the refrigerator container, can reduce plastic-absorbing thickness of the refrigerator container, and reduces cost. Phenomena of shrinking and bubbling after the refrigerator container absorbs plastics and foams can not occur, simultaneously after the refrigerator container is assembled with the refrigerator, due to the step, a gap between the refrigerator container and a door body is reduced, resistance of air quantity loss is also increased, cold quantity loss is reduced to the largest extent, and power consumption is reduced. The invention further discloses the refrigerator with the refrigerator container.

The invention discloses a moisturizing composition with multiple rose extracts and application of the moisturizing composition and aims to provide a composition capable of remarkably increasing the water content of skin and reliving and repairing skin. The composition disclosed by the invention is applied to cosmetics, has effects of long-term moisturizing and deep repairing, and is capable of keeping skin tender and glossy, and problems of skin dryness, itching, redness and the like can be substantially solved. The composition comprises the following components in parts by weight: 5-10% of rose damascena flower water, 10-15% of rose flower water, 4-9% of a composite rose extract, 1-4% of xylitol, 4-8% of dehydrated xylitol, 6-10% of xylitol-based glucoside, 10-20% of polyhydric alcohols and 29-43% of water, wherein the composite rose extract is mainly made of the following raw materials in parts by weight: 3-8 parts of rosa centifolia and 5-10 parts of hybrid rose flowers. The moisturizing composition belongs to the technical field of cosmetics.

The invention provides a cobalt / nitrogen double-doped carbon nanobelt, a Li-SeS2 battery positive electrode material, a preparation method of the Li-SeS2 battery positive electrode material and a secondary battery, and relates to the technical field of battery materials. The preparation method comprises the steps of adding an inorganic salt template agent in the hydrothermal synthesis process, promoting cobalt-doped ZIF-8 crystals to grow on the surface of the template agent in situ, obtaining a required precursor raw material after drying, carrying out high-temperature carbonization and template removal processes on the precursor to prepare a cobalt / nitrogen in-situ double-doped carbon nanobelt material with a hierarchical porous structure; and infiltrating selenium disulfide and the cobalt / nitrogen double-doped carbon nanobelt base material to obtain the Li-SeS2 battery positive electrode material. Compared with a ZIF-8 derived carbon material, a pore structure is mainly concentrated in a micropore range, and the carbon nanobelt material has a graded porous structure, so that the loading capacity of a SeS2 active substance is effectively improved, and further electrochemical tests show that the positive electrode material has excellent electrochemical performance.

The invention discloses a method for constructing a stable solid interface on the surface of a positive electrode of a sulfur-based or selenium-based battery. The method comprises the steps of 1) assembling a sulfur-based or selenium-based positive electrode material into a battery; 2) discharging the battery with a first-cycle discharging current when the battery is discharged for the first cycle; 3) when the battery is charged for the first circle, charging the battery with a first-circle charging current greater than the first-circle discharging current; and (4) using the battery at the circulating working current greater than the first-circle discharging current all the time in the using process of the battery. According to the method for constructing the stable solid interface on thesurface of the positive electrode of the sulfur-based and selenium-based battery, the circulating stability of an electrode material can be improved, and the capacity of rapidly charging and discharging the interior of the battery is improved at the same time.

The invention provides a valve block and a hydraulic four-wheel-drive power distribution mechanism based on the valve block. The valve block is provided with oil inlets, a first oil outlet and a second oil outlet, and comprises a first sequence valve, a second sequence valve and a logic valve, wherein an oil inlet of the first sequence valve and an oil inlet of the second sequence valve are used as the oil inlets of the valve block; a first sequence valve control oil port is connected with a second oil way first interface of the logic valve, a second oil way second interface is connected witha second sequence valve oil outlet, and the second sequence valve oil outlet is the second oil outlet of the valve block; and a second sequence valve control oil port is connected with a first oil wayfirst interface of the logic valve, a first oil way second interface is connected with a first sequence valve oil outlet, and the first sequence valve oil outlet is the first oil outlet of the valveblock. The valve block is simple in structure and can effectively restrict the loss of a large amount of hydraulic oil through a hydraulic motor so as to maintain the working pressure of the other hydraulic motor.

The invention discloses a graphene modified MoS2 / MoO2 heterogeneous composite material. The heterogeneous composite material is of a wrapping structure formed by taking graphene as a flexible carrierto bear MoS2 and MoO2 particles. The invention also discloses a preparation method and application of the graphene modified MoS2 / MoO2 heterogeneous composite material. The graphene is used as the flexible carrier to bear MoS2 and MoO2 particles and form the wrapping structure, so that the loss of the MoS2 and MoO2 particles is effectively limited. The synthesis method is simple and easy to implement, the mass production can be achieved, and the prepared graphene modified MoS2 / MoO2 heterogeneous composite material serving as a lithium ion battery negative electrode material has good charge-discharge cycle performances, rate capability and stability.

The invention relates to the technical field of biological remediation of organic polluted soil, in particular to a strengthening remediation method and device for a bioreactor. The three-in-one windpower integration device comprises a leachate reciprocating distribution system, a power supply system and an electrolyte nutrient supply system pipeline; and the leachate reciprocating distribution system is arranged at the bottom of the device, the power supply system is composed of at least one electrode group of a sandwich-liked structure, and the electrolyte nutrient supply system is composedof the electrolyte nutrient supply system pipeline and an intermediate layer electrolyte nutrient supply system pipeline. According to the method and the device, the cathode design of a wind power integration mode effectively improves the anoxic environment at the bottom of a reactor body, so that secondary pollution is avoided and organic pollutants are thoroughly removed through the leachate circulation design, the remediation efficiency of the bioreactor technology on the organic polluted soil is effectively improved, and the method is an effective realization method for strengthening application of the bioreactor repair technology.

The invention provides a composite shape-stabilized phase change material. The phase change material is a crystallized hydrated salt phase change material, and a support material is meerschaum. A preparation method of the phase change material comprises the following steps: performing acid treatment, high-temperature treatment and organic treatment on the meerschaum in sequence; performing an adsorption reaction on the treated meerschaum and a saturated aqueous solution of a crystallized hydrated salt under a vacuum condition to obtain a novel composite shape-stabilized phase change material. The composite shape-stabilized phase change material has the advantages that 1) packaging and shape stabilizing of the phase change material are realized through the porous structure of the meerschaum, the loss of phase change material crystal water is limited successfully through a functional group of the meerschaum, phase separation is reduced, and the crystallization performance and phase change energy storage feature of the crystallized hydrated salt phase change material are ensured; 2) raw materials of the support material and the phase change material are low in prices and readily-available; the composite preparation method is simple and convenient. By adopting the composite shape-stabilized phase change material and the preparation method, the phase separation phenomenon, overcooling phenomenon and leakage are reduced, and the stability of the phase change material in a long-term use process is improved; the phase change material has a wide application prospect in the phase change heat storage field.