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35results about How to "Solve the problem of adding" patented technology

Preparation method of water dispersible granule medicinal fertilizer

ActiveCN102060618ALow costReduce process operationsFertilizer mixturesWater dispersibleFertilizer
The invention discloses a preparation method of a water dispersible granule medicinal fertilizer, which comprises the following steps of: firstly preparing fillers, sterilizing agents, compound activating agents, micro element fertilizers and a compound assistant which are required for preparing the medicinal fertilizers according to component proportion of different medicinal fertilizers, wherein the sterilizing agents contain liquid raw materials; then, taking a part of fillers for adsorbing the liquid raw materials, adding rest of other components and uniformly mixing to obtain a raw material mixture; carrying out air current pulverization on the raw material mixture to be below 15 microns to obtain wettable powder; controlling the granularity D98 to be less than or equal to 15 microns and the suspension ratio to be over 80 percent; taking water-borne binder solutions and mixing the water-borne binder solutions with the wettable powder, and obtaining an intermediate product through squeezing granulation-drying or boiling granulation; and finally, screening to obtain the water dispersible granule medicinal fertilizer product with the required grain size. The preparation process has the advantages of environmental friendliness, security, low cost, capability of guaranteeing product quality and the like.
Owner:湖南大方农化股份有限公司

Template digital publishing and editing method and system

The invention provides a template digital publishing and editing method and system. The method includes the following steps that the system is started to generate an editing displaying zone and a code displaying zone, a controller is used for traversing information of existing templates stored in a template storage zone by means of a template guiding file and loading the existing templates to a cache; system interface template application buttons are generated, attribute control of the existing templates is matched with the system interface template application buttons in a one-to-one mode and the system interface template application buttons are used for controlling the attributes of the existing templates; an electronic book editing page is generated, the templates in the cache are chosen and then mirror images of the chosen templates are loaded to the editing displaying zone and basic information of the templates is displayed in the code displaying zone; the content of an electronic book is input into the chosen templates and stored into the cache; the electronic book in the cache is saved as a file in the format of epub. By means of the template digital publishing and editing method and system, standardized digital publishing resources can be conveniently and simply manufactured.
Owner:CHONGQING ACADEMY OF SCI & TECH

Electrochemical method for recycling low-concentration nitrogen and phosphorus in wastewater in struvite form

The invention discloses an electrochemical method for recycling low-concentration nitrogen and phosphorus in wastewater in a struvite form, which comprises the following steps: connecting a double-strike membrane electrodialysis system with a magnesium-air battery system in series, and separating, enriching and concentrating NH4 < + > and PO4 < 3-> in the wastewater by using the double-strike membrane electrodialysis system, adopting a peristaltic pump to pump the enriched NH4 < + > and PO4 < 3-> to the magnesium-air battery system for reaction with Mg < 2 + > spontaneously generated by the magnesium-air battery system to generate struvite, meanwhile, reacting OH <-> generated by a bipolar membrane with Ca < 2 + > enriched by bipolar membrane electrodialysis to generate Ca (OH) 2 sediment, removing Ca (OH) 2 through filtering, so that the influence of Ca < 2 + > on the purity of the struvite is reduced, and meanwhile electric energy is obtained. According to the invention, struvite with the purity of 86.2% can be recovered from low-concentration NH4 < + > (2 mmol / L) and PO4 < 3-> (1 mmol / L) wastewater, and electric energy with the output power of 3.56 + / -0.37 mW is obtained. The struvite with the purity of 89.1% can be recycled from wastewater with the initial concentrations of NH4 < + >, PO4 < 3-> and Ca < 2 + > being 10 mmol / L, 5.0 mmol / L and 2.0 mmol / L respectively, and electric energy with the output power being 2.39 + / -0.85 mW is obtained.
Owner:FUJIAN NORMAL UNIV

Composite wave-absorbing material of wave-absorbing shielding film and wave-absorbing shielding film using same

The invention discloses a composite wave-absorbing material of a wave-absorbing shielding film. The composite wave-absorbing material comprises a wave-absorbing mixed liquid. The wave-absorbing mixedliquid coats a carrier film layer and is cured. The wave-absorbing mixed liquid includes a wave-absorbing powder and a solvent that are uniformly mixed. The concentration of the wave-absorbing powderin the solvent is not less than 60%. The wave-absorbing powder includes: 50 to 70 parts of carbonyl iron powder; 10 to 30 parts of graphene resin composite powder; 5 to 15 parts of water-soluble acrylic resin; and 5 to 15 parts of water-soluble polyester resin. The solvent is water. The water-soluble acrylic resin and the water-soluble polyester resin can undergo a cross-linking curing reaction. The invention also relates to a wave-absorbing shielding film using the composite wave-absorbing material. The scheme of using the graphene resin composite powder as the raw material of the wave-absorbing material and using the water as the solvent not only solves the difficulty in adding and dispersing the graphene powder, but also requires few types of components and does not need to add any organic solvent, and is simple in process and friendly to environment.
Owner:SUZHOU RIDEA MATERIAL TECH

Scrap steel batching method for converter smelting

The invention belongs to the field of steelmaking, and relates to a steel scrap batching method for converter smelting, which comprises the following steps: according to the yield of steel scraps and the cooling effect corresponding to the steel scraps, constructing a relational expression between the yield and the cooling effect corresponding to different types of steel scraps; building a model equation of the converter smelting waste heat temperature, the steel scrap adding proportion, the corresponding cooling effect and the total steel scrap adding amount, and building a relation function of the adding amount of different types of steel scraps and the total steel scrap adding amount; selecting the type of the scrap steel and the adding proportion thereof, and obtaining the cooling effect corresponding to the type of the scrap steel through the relational expression; and then according to the cooling effect and the adding proportion corresponding to the waste steel and the converter smelting waste heat temperature, the total adding amount of the waste steel is obtained through the model equation, and the adding amount of different types of waste steel is obtained through the relation function. The batching method is scientific, reasonable and high in universality, the number of manual calculation times can be reduced, real-time use in the online production process is met, abnormal working conditions are reduced, and production raw material cost and energy consumption cost can be saved for users.
Owner:WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD

Aluminium-vanadium-carbon interalloy and preparation method thereof

InactiveCN101570834ALittle impact on preparationNo defects such as inclusionsSmelting processTitanium
The invention relates to an aluminium-vanadium-carbon interalloy and a preparation method thereof. On the basis of producing an aluminium-vanadium interalloy in the prior aluminothermic method of reducing, the prior equipment and smelting process are utilized, and the good-quality aluminium-vanadium-carbon interalloy can be produced by only adding a certain amount of carbon powder. Through detection, the interalloy has uniform compositions without defects such as inclusions and the like, is added into a titanium ingot to make carbon element added in a carbon-containing interalloy mode, eliminates the quality hidden troubles of pollution and inclusions caused by directly using the carbon powder in a titanium ingot primary smelting process, can effectively improve the uniformity and accurate control of the carbon element in a titanium material, and solves the problems of addition and uniformity of the carbon element; and the produced titanium ingot has even distribution of the carbon element, has no metallurgical defects such as the inclusions and the like, and can meet the quality requirement on a high-quality titanium material in the fields such as aerospace and the like. The preparation method has the obvious advantages of simple process, simple and convenient operation, low cost, accurate composition control, stability and the like, and is suitable for industrial production.
Owner:BAOJI TITANIUM IND CO LTD

Additive-free normal-temperature yoghourt and preparation method thereof

The invention belongs to the technical field of milk food preparation, and particularly relates to an additive-free normal-temperature yoghourt and a preparation method thereof. Main raw materials ofthe normal-temperature yoghourt only comprise three main components of liquid milk, a sweetener and nostoc sphaeroides, and addition of additional stabilizers and acidity regulators is not needed. Theproduct provided by the invention can be stored at normal temperature for 5 months, and the yoghourt has thick, pure and delicious flavor and mellow and smooth taste. After the product is placed at normal temperature for 5 months, the product basically has no phenomena of water seepage, bad flavor, protein coagulation and precipitation phenomena, and has stable mouthfeel and longer shelf life. Finally, it proves that the product has a reasonable formula, good flavor and smooth mouthfeel. According to the preparation method disclosed by the invention, the nostoc sphaeroides powder is subjectedto hydration and independent fermentation treatment, so that polysaccharide substances of the nostoc sphaeroides powder are effectively dissolved out, and bad flavor brought by the nostoc sphaeroidespowder is also modified. According to the invention, viscosity and stability of the product are successfully improved in a green mode, and the normal-temperature yoghourt with clean ingredients is prepared.
Owner:INNER MONGOLIA MENGNIU DAIRY IND (GRP) CO LTD

Rail transit gearbox

InactiveCN112984089ADynamic stabilityStable power transmission stabilityGear lubrication/coolingGear wheelControl engineering
The invention belongs to the field of traffic, and particularly relates to a rail transit gearbox. The rail transit gearbox comprises a gearbox, wherein the gearbox comprises an upper box body and a lower box body which are arranged up and down, and an input shaft hole and an output shaft hole which penetrate through the interior are formed in the front side wall and the rear side wall of a connecting whole of the upper box body and the lower box body respectively; an input shaft penetrates through the input shaft hole, the outer wall of the end, penetrating into the input shaft hole, of the input shaft is sleeved with a main gear arranged in the gearbox, and an output shaft penetrates through the output shaft hole; and a lubricating device is arranged in the lower box body of the gearbox, lubricating oil in a lubricating oil tank is coated on the outer wall of the main gear in the rotating process of the gear, the lubricating oil on the main gear is supplemented, the problem of lubricating oil consumption caused by meshing of the main gear and an auxiliary gear can be solved, sufficient lubricating oil between the main gear and the auxiliary gear is guaranteed, stable transmission of power of the gearbox is achieved, and the problem that the gearbox needs to be detached for adding lubricating oil due to insufficient lubricating oil is solved.
Owner:于洋

Preparation method of water dispersible granule medicinal fertilizer

ActiveCN102060618BSolve the problem of addingSolve the technical problems of both useFertilizer mixturesWater dispersibleAgricultural engineering
The invention discloses a preparation method of a water dispersible granule medicinal fertilizer, which comprises the following steps of: firstly preparing fillers, sterilizing agents, compound activating agents, micro element fertilizers and a compound assistant which are required for preparing the medicinal fertilizers according to component proportion of different medicinal fertilizers, wherein the sterilizing agents contain liquid raw materials; then, taking a part of fillers for adsorbing the liquid raw materials, adding rest of other components and uniformly mixing to obtain a raw material mixture; carrying out air current pulverization on the raw material mixture to be below 15 microns to obtain wettable powder; controlling the granularity D98 to be less than or equal to 15 micronsand the suspension ratio to be over 80 percent; taking water-borne binder solutions and mixing the water-borne binder solutions with the wettable powder, and obtaining an intermediate product throughsqueezing granulation-drying or boiling granulation; and finally, screening to obtain the water dispersible granule medicinal fertilizer product with the required grain size. The preparation process has the advantages of environmental friendliness, security, low cost, capability of guaranteeing product quality and the like.
Owner:湖南大方农化股份有限公司

Composite wave-absorbing material for wave-absorbing shielding film and wave-absorbing shielding film applied thereto

The invention discloses a composite wave-absorbing material of a wave-absorbing shielding film. The composite wave-absorbing material comprises a wave-absorbing mixed liquid. The wave-absorbing mixedliquid coats a carrier film layer and is cured. The wave-absorbing mixed liquid includes a wave-absorbing powder and a solvent that are uniformly mixed. The concentration of the wave-absorbing powderin the solvent is not less than 60%. The wave-absorbing powder includes: 50 to 70 parts of carbonyl iron powder; 10 to 30 parts of graphene resin composite powder; 5 to 15 parts of water-soluble acrylic resin; and 5 to 15 parts of water-soluble polyester resin. The solvent is water. The water-soluble acrylic resin and the water-soluble polyester resin can undergo a cross-linking curing reaction. The invention also relates to a wave-absorbing shielding film using the composite wave-absorbing material. The scheme of using the graphene resin composite powder as the raw material of the wave-absorbing material and using the water as the solvent not only solves the difficulty in adding and dispersing the graphene powder, but also requires few types of components and does not need to add any organic solvent, and is simple in process and friendly to environment.
Owner:SUZHOU RIDEA MATERIAL TECH

A method of using produced water-loaded inverse demulsifier in ASP flooding

The invention discloses a use method of a ternary composite flooding produced water supported type reverse-phase demulsifying agent, and belongs to a use method of a reverse-phase demulsifying agent. The use method comprises the following steps: jetting and blowing supported type reverse-phase demulsifying agent solid powder into a ternary composite flooding produced water sewage pipeline through nitrogen under strong pressure according to the adding amount being 0.5 to 2.0 g / L, or adding a two-phase mixture formed by pressurizing and mixing solid powder-oil-containing sewage into ternary composite flooding produced water to enable the supported type reverse-phase demulsifying agent powder particles to be distributed into sewage uniformly; and replacing and neutralizing the charge action of an interfacial film by using the supported type reverse-phase demulsifying agent and through reverse-phase demulsifying agent molecules supported on carrier particles to complete the demulsifying process, wherein oil drops are adsorbed by the carrier particles rapidly after being demulsified and destabilized and are settled and separated, and the supported type reverse-phase demulsifying agent is particular solid powder and the particle size is 0 to 150 microns. The use method of the supported type reverse-phase demulsifying agent, provided by the invention, has the characteristics that mixing and dispersing uniform degree is good, the utilization rate of the powder medicine is increased, and the cost is reduced.
Owner:CHINA UNIV OF MINING & TECH
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