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37results about How to "Solve the problem of incompatibility" patented technology

Method and device for achieving efficient database access based on ORM (object relational mapping) architecture

The invention discloses a method and a device for achieving efficient database access based on an ORM (object relational mapping) architecture. The method comprises the following steps that: a code generator module generates a data entity code of a database table according to the database table; an ORM module builds a mapping relationship between the entity data and corresponding database according to the data entity code, and a data access module accesses the database requested by a user by the mapping relationship. According to the invention, efficient access on different databases by different development languages is achieved; business data is transferred between layers in an object-oriented manner by adopting an effective layering architecture design; maintainability and expandability of the program are improved; labor division of each layer is explicit; agile development and co-operative development are convenient, and load of an application developer is reduced by automatically generating most of SQL (structured query language) sentences and entity class components, so that more energy is input on achievement of a view layer design and a system service logic function and the like.
Owner:ZTE CORP

Beta-cyclodextrin inclusion compound of huperzine A, and preparation method and preparation thereof

The invention discloses a beta-cyclodextrin inclusion compound of huperzine A, and a preparation method and preparations thereof. The beta-cyclodextrin inclusion compound of the huperzine A consists of 2.5 to 9.5 weight percent of huperzine A and 97.5 to 90.5 weight percent of beta-cyclodextrin. The preparation method comprises the following steps of: a) dissolving the huperzine A in an pharmaceutically acceptable organic solvent to prepare solution A, and heating and dissolving the beta-cyclodextrin in water to prepare solution B; and b) slowly adding the solution A into the solution B with stirring, and continuing to perform stirring until the mixed solution is uniform to prepare the beta-cyclodextrin inclusion compound of the huperzine A. The beta-cyclodextrin inclusion compound of the huperzine A further can be mixed with water-soluble carriers with viscosity, such as starch and the like, and then is pelletized, tabletted or filled into capsules with substrates. In the method, an extremely small amount of water-insoluble huperzine A is fully, effectively and uniformly dispersed, so the dissolution rate of the huperzine A is increased and the stability of the huperzine A is improved. The provided beta-cyclodextrin inclusion compound of the huperzine A can be used for preparing solid preparations and liquid preparations, operating steps are reduced and the production cost is remarkably reduced.
Owner:上海复旦复华药业有限公司 +1

Composition containing desloratadine citrate disodium

The invention relates to a composition containing desloratadine citrate disodium. The composition adopts the dosage form of granules; the combination of cyclodextrin and desloratadine citrate disodium in a specific proportion is adopted; the cyclodextrin is used for wrapping the desloratadine citrate disodium, so as to decrease the degradation of the desloratadine citrate disodium in active auxiliary materials such as monose, and biose, and the stability of the desloratadine citrate disodium is effectively enhanced. Accelerated tests and long term tests prove that the stability of the medicine during the storage process can be soundly ensured, in addition, due to the addition of a proper corrigent, the taste of the medicine is improved. Therefore, the composition is particularly suitable for children or patients suffering from dysphagia.
Owner:YANGTZE RIVER PHARM GRP GUANGZHOU HAIRUI PHARM CO LTD

Blended yarn of hollow fiber and regenerated cellulose fiber and fabric using yarn

The invention provides a blended yarn of hollow fiber and regenerated cellulose fiber and fabric using the yarn, which can solve the problem that the prior art has poor hygroscopicity and gas permeability and can not have both heat insulation and light hand feeling. The technical proposal is as follows: the blended yarn of hollow fiber and regenerated cellulose fiber comprises 10 to 90% of hollow fiber and 10 to 90% of regenerated cellulose fiber by weight percentage; and the hollow rate of the hollow fiber is 2 to 80% and the fineness of the single fiber is 0.4 to 3.0dtex. The fabric weaved by applying the blended yarn has excellent hygroscopicity and gas permeability, also has heat insulation and light hand feeling and simultaneously has heating function.
Owner:青岛联润翔进出口有限公司

Dendrobe film agent

InactiveCN101632455ASimple preparation processEasy to solve the problem of incompatibilityMetabolism disorderDigestive systemMedicineFilm-forming agent
The invention relates to a dendrobe film agent which belongs to the class of food, medicaments and health care products and comprises the components of a dendrobe extract, a film forming agent and the like. For regulating tastes and colors, a flavoring agent and a toner can also be added. All the components and portions are prepared into the film agent by required contents. The film agent has the characteristics of accurate medicament contents, good stability, light weight, small volume, convenient application and the like and is suitable for the application of various administration purposes. Different film forming materials can be prepared into film agents with different medicament release rates, release control films and slow release films. A multilayer compound film agent is also convenient for solving the problem of incompatibility among medicaments.
Owner:阳瑞鸿

Crowd emergency evacuation method and system, terminal and storage medium

The invention relates to a crowd emergency evacuation method and system, a terminal and a storage medium. The method comprises the steps of performing indoor and outdoor geometric information registration on an indoor BIM scene data model and an outdoor GIS scene data model, and constructing an indoor and outdoor integrated emergency evacuation grid model; acquiring an evacuation drilling image of an indoor and outdoor scene, mining microscopic evacuation behavior characteristics of evacuated crowds from the evacuation drilling image, and establishing a static geometric attribute-macroscopic state-microscopic evacuation behavior characteristic relation library of the indoor and outdoor scene according to the microscopic evacuation behavior characteristics; constructing an indoor and outdoor integrated emergency evacuation optimization model based on the indoor and outdoor integrated emergency evacuation grid model and the static geometric attribute-macroscopic state-microscopic evacuation behavior characteristic relation library; and solving the indoor and outdoor integrated emergency evacuation model by using an optimization solution algorithm to obtain an optimal dynamic evacuation strategy. The problem that indoor and outdoor evacuation models are incompatible is solved, and the evacuation efficiency can be greatly improved.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI +2

Cordycepin film agent

InactiveCN101632453ASimple preparation processEasy to solve the problem of incompatibilityMetabolism disorderDigestive systemCordycepsMedicine
The invention relates to a cordycepin film agent which belongs to the class of food, medicaments and health care products and comprises the components of a cordycepin extract, a film forming material and the like. For regulating tastes and colors, a flavoring agent and a toner can also be added. All the components and portions are prepared into the film agent by required contents. The cordycepin film agent has the characteristics of accurate medicament contents, good stability, light weight, small volume, convenient application and the like and is suitable for the application of various administration purposes. Different film forming materials can be prepared into film agents with different medicament release rates, release control films and slow release films. A multilayer compound film agent is also convenient for solving the problem of incompatibility among medicaments.
Owner:阳瑞鸿

Transplantable custom configuration system and achieving method

ActiveCN103258306ARapid and efficient adaptive transformationGuaranteed safe operationData processing applicationsData validationData display
The invention discloses a custom configuration system which can be transplanted to a variety of health information software and an achieving method. The system comprises an authority management configuration module, a basic information configuration module, a data entry configuration module, a data storage configuration module, a data display configuration module and a data interactive content configuration module. Based on the system, the invention further provides the method for achieving that the custom configuration system is transplanted to other health information software in an interaction and nesting mode in a health information system. The method comprises the following steps: configuring content of authority management, configuring data basic information, configuring data validation, configuring data alarming, configuring data storage, configuring data display and configuring data interactive content. The transplantable custom configuration system is suitable for the variety of the health information software, achieves custom configuration of the software and can meet the ever-growing requirements for continuously updating the software in the field of health information.
Owner:夏琦 +2

Zinc-nickel single-redox-flow battery

The invention relates to a zinc-nickel single-redox-flow battery. The zinc-nickel single-redox-flow battery comprises a single battery or an electric pile of more than two single batteries in series,an anode electrolyte storage tank, an anode circulation pipe conduit, and a pump; the single battery comprises a cathode end plate, a cathode current collector, a cathode placed in a cathode electrodeframe, a battery diaphragm, an anode placed in an anode electrode frame, an anode current collector, and an anode end plate which are successively overlapped from bottom to top, an anode electrolytein the anode electrolyte storage tank flows through the anode through the pump, and cathode electrolyte does not flow and is sealed in a closed chamber surrounded by the cathode current collector, thecathode electrode frame, the cathode and the battery septum, wherein the cathode and the anode are flexible electrodes, the cathode electrolyte and the anode electrode are the same, and are both alkaline aqueous solutions containing soluble zinc salt. The zinc-nickel single-redox-flow battery has the advantages of simple structure, high energy density, high power density, good safety and the like.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1

Particle composition as well as preparation method and preparation thereof

A particle composition and a preparation method therefor. The particle composition comprises montelukast sodium particles and levocetirizine particles. The montelukast sodium particles comprise montelukast sodium, a filler, a stabilizer, and an adhesive. The levocetirizine particles comprise levocetirizine, a filler, a stabilizer, and an adhesive. The stabilizers are meglumine, and the adhesives are hydroxypropyl-β-cyclodextrin.
Owner:BEIJING HANMI PHARMA CO LTD

Energy-saving efficient pneumatic motor

The invention discloses an energy-saving efficient pneumatic motor, which is applied in industrial and mining workplaces. The energy-saving efficient pneumatic motor mainly comprises a motor shell (1), motor gears which are arranged in the motor shell (1) and an output shaft (8) which is connected with the motor gears and used for outputting power, the motor shell (1) is provided with an air inlet (12) and an exhaust port (6), the motor gears are arranged in the motor shell (1) in pairs at different levels, serial arrangement is adopted for motor gears of each level, and the motor gears of each level are connected with the output shaft (8) used for outputting the power through transmission gears. The modulus of the motor gears of different levels increases gradually. The invention fully utilizes the energy of the compressed air, and minimizes the energy of the exhaust gas out of the pneumatic motor. Since the energy of the compressed air is fully utilized, the invention improves the working efficiency of the pneumatic motor.
Owner:JIKAI EQUIP MFG CO LTD

Geranium strictipes film agent

The invention relates to a geranium strictipes film agent which belongs to the class of food, medicaments and health care products and comprises the components of a geranium strictipes extract, a film forming material and the like. For regulating tastes and colors, a flavoring agent and a toner can also be added. All the components and portions are prepared into the film agent by required contents. The film agent has the characteristics of accurate medicament contents, good stability, light weight, small volume, convenient application and the like and is suitable for the application of various administration purposes. Different film forming materials can be prepared into film agents with different medicament release rates, release control films and slow release films. A multilayer compound film agent is also convenient for solving the problem of incompatibility among medicaments.
Owner:阳瑞鸿

Preparation method of whole black carrot powder rich in anthocyanin and application of prepared whole black carrot powder in food

The invention discloses a preparation method of whole black carrot powder rich in anthocyanidin and application of the prepared whole black carrot powder in food. In the preparation process, the method comprises the following steps of cleaning, freezing and thawing, crushing, color protecting, ball milling, homogenization, enzymolysis, sterilization, spray drying and the like, and finally the whole black carrot powder can be obtained. The preparation process is simple, the production cost is low, the consumed time is short, the prepared whole black carrot powder retains the nutritional ingredients and flavor to a great extent, the content of anthocyanin is increased to the greatest extent, soluble solid matter is increased, and finally the homogeneity of the product is guaranteed; the powder is used for in baked food or frozen food or instant drinks, the taste can be enriched, the color and luster are added, and the powder has very high nutritional value.
Owner:湖北紫鑫生物科技有限公司

Pre-filled syringe for continuous treatment

The invention provides a pre-filled syringe for continuous treatment. The pre-filled syringe comprises a shell, a push rod and a piston; the push rod and the piston are arranged in the sleeve in a sliding mode, a cone head is arranged at the front end of the shell, a cone hole which is communicated with the interior of the shell is formed in the middle of the cone head, a protective cap is arranged outside the cone head, the piston comprises a front plug and a rear plug, a closed space containing a first drug is formed by the top face of the front plug, the inner wall of the shell, the cone hole and the protective cap, a closed space containing a post drug is formed by the top face of the rear plug, the inner wall of shell and the bottom face of the front plug, a shell inner wall groove parallel to the shell axis is formed in the front end of the inner wall of the shell, a shell front end groove is formed in the inner wall of the front end of the shell, one end of the shell front end groove is communicated with the front end of the shell inner wall groove, the other end of the shell front end groove is communicated with the cone hole, and the top face of the front plug is matched with the inner wall of the front end of the shell. According to the pre-filled syringe for continuous treatment, the problem of incompatibility of different drugs in the treatment process is solved.
Owner:SHANDONG WEIGAO GROUP MEDICAL POLYMER

Preparation method of nanoscale transparent water dispersible curcumin

The invention relates to the technical field of health-care food, in particular to a preparation method of nanoscale transparent water dispersible curcumin. The method comprises the following steps: S1, adding monoglyceride fatty acid ester, diglyceride fatty acid ester and curcumin into a container to form an oil phase; S2, adding propylene glycol, monoglyceride fatty acid ester, diglyceride fatty acid ester and purified water into a container to form a water phase; S3, preparation of an emulsifier; to be specific, adding monoglyceride and diglyceride fatty acid esters into a container, and then adding the mixture into purified water to form the emulsifier; S4, carrying out emulsifying; to be specific, mixing and emulsifying the oil phase and the emulsifier, then adding the mixture into the water phase, keeping the temperature at 80 DEG C, carrying out continuously stirring, carrying out cooling to a temperature of 25 DEG C, and forming a uniform curcumin emulsion; and S5, carrying out grinding and sieving to obtain a nanoscale curcumin preparation. The curcumin preparation aqueous solution is clear and transparent and can be mutually dissolved with water by any multiple; the aqueous solution is kept to be clear and transparent without any peculiar smell. The nanoscale transparent water dispersible curcumin is suitable for beverages, health care products and medicines.
Owner:广州市天滋优生物科技有限公司

Zinc-nickel liquid flow battery

ActiveCN109786799AIncreased cathode capacityFree control of the amount of active substancesCell electrodesRegenerative fuel cellsElectrical batteryHigh energy
The invention relates to a zinc-nickel double liquid flow battery. The zinc-nickel double liquid flow battery comprises a galvanic pile formed by a single battery cell or two or more single battery cells connected in series, an electrolyte storage tank containing an electrolyte, a circulation pipeline, and a pump; the electrolyte in the electrolyte storage tank flows through the positive electrodethrough the circulation pipeline and the pump, flows out from the positive electrode and then flows into the negative electrode through the circulation pipeline, and finally flows back from the negative electrode through the circulation pipeline to the electrolyte storage tank; wherein the positive electrode is formed by using carbon felt as a matrix and coating a positive active material on theside close to a current collector, and the composition of the positive active material is nickel hydroxide; and the negative electrode is a flexible electrode. The zinc-nickel double liquid flow battery has the advantages of simple structure, high energy density, high power density, and simple processing and manufacturing process.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1

2-in-1 USB connector

A 2-in-1 USB connector includes an insulating body, a first and a second terminal group integrally formed in the insulating body, and a metal case sleeved the insulating body; the insulating body includes a horizontal extension and a vertical extension, the horizontal extension includes a first base portion and a first mating tongue portion extending forwardly from the first base portion, and thevertical extension includes a second base portion and a second mating tongue portion extending forward from the second base portion and perpendicular to the first mating tongue portion, wherein the first terminal group is integrally formed in the horizontal extension and the second terminal group is integrally formed in the vertical extension. The 2-in-1 USB connector of that present application can solve the problem that the type C is not backward compatible.
Owner:JUST CONNECTOR KUSN

Active stability augmentation control method and device for aero-engine

The invention belongs to the technical field of engine control, and particularly relates to an active stability augmentation control method and device for an aero-engine. The method comprises the following steps: S1, acquiring aircraft attitude parameters; s2, according to the aircraft attitude parameters, determining that the aircraft flies in a large-overload and high-maneuverability state; s3, according to the height and speed of the aircraft and the attitude parameters of the aircraft, determining an identification margin insufficient working condition, wherein the identification margin insufficient working condition represents the residual stability margin condition of the engine; s4, executing nozzle diameter amplification control, gas compressor adjustable stator blade angle decrease control, gas release valve opening control and stress application oil supply amount increase control under the corresponding working conditions according to the working conditions with the insufficient mark margin. According to the method, by identifying the high air inlet distortion state, the stability augmentation control measures are implemented in a targeted mode, the thrust of the engine cannot be greatly reduced, and meanwhile it is guaranteed that the thrust in other states in the working envelope cannot be reduced.
Owner:AECC SHENYANG ENGINE RES INST

A kind of granular composition and its preparation method and preparation

The invention relates to the field of pharmaceutical preparations, in particular to a granular composition, a preparation method and a preparation thereof. The granule composition comprises montelukast sodium granules and levocetirizine hydrochloride granules; the montelukast sodium granules comprise montelukast sodium, fillers, stabilizers, binders; levocetirizine hydrochloride granules Including levocetirizine hydrochloride, filler, stabilizer, binder; stabilizer is meglumine; binder is hydroxypropyl-β-cyclodextrin. The granule composition and preparation thereof provided by the invention are stable in property, and the content uniformity of the active ingredients of the two medicines is improved, and the medicine quality fully complies with the national standard.
Owner:BEIJING HANMI PHARMA CO LTD

Dactylicapnos film agent

The invention relates to a dactylicapnos film agent, which belongs to the class of food, medicaments and health care products and comprises the components of a dactylicapnos extract, a film forming material and the like. For regulating tastes and colors, a flavoring agent and a toner can also be added. All the components and portions are prepared into the film agent by required contents. The dactylicapnos film agent has the characteristics of accurate medicament contents, good stability, light weight, small volume, convenient application and the like and is suitable for the application of various administration purposes. Different film forming materials can be prepared into film agents with different medicament release rates, release control films and slow release films. A multilayer compound film agent is also convenient for solving the problem of incompatibility among medicaments.
Owner:阳瑞鸿

Method for preparing high-compact blocky tungsten nickel alloy

The invention provides a method for preparing highly compact block tungsten-nickel alloy, belonging to alloy field. The method is characterized in that in electroforming process, a DC power supply is used, the voltage is 3 to 5V, and the current density is 1 to 12A / dm2; an anode and a cathode are inserted in electroforming liquid; the anode is pure nickel and the cathode is stainless steel or Ti; the electroforming liquid includes the following components: 120 to 350g / L of nickel sulphamate, 20 to 45g / L of nickel chloride, 480 to 1400g / L of sodium tungstate and 10 to 50g / L of boric acid; the electroforming liquid are stirred in the electroforming process, and the stirring speed is 60 to 130rev. / min; the electroforming process is carried out under the constant temperature of 550 DEG C, and residues are filtered; the electroforming time is controlled within 1 to 12 hours. The method of the invention has the advantages that the highly compact block tungsten-nickel alloy is successfully prepared by arranging Ni atoms and W atoms inside the electro-crystallization grains in the mode of mutual clearance occupation.
Owner:BEIJING UNIV OF TECH

LED lamp which can be used in series with thyristor voice control switch

The invention discloses an LED lamp which can be used in series with a thyristor sound control switch. The LED lamp includes a step-down capacitor, a current limiting NTC resistor, a sound control function maintaining capacitor, a rectifier, a filter capacitor, an LED group, a necessary safety device and a discharge resistor. The safety device, the step-down capacitor, the current limiting NTC resistor and the sound control function maintaining capacitor are connected to an AC power supply end in series, and the rectifier, the filter capacitor, the discharge resistor and the LED group are connected in parallel. According to the invention, the power frequency AC input is achieved with very low cost to drive LEDs to emit light, the problem that an ordinary LED lamp is incompatible with a large number of existing corridor thyristor voice control switches is solved, the LED lamp can be used for an ordinary 50Hz / 60Hz power frequency AC power supply and is also compatible with a traditionalthyristor voice control switch, and incandescent lamps with high energy consumption and short lives can be completely substituted.
Owner:王欣怡

Molecular marker assisted efficient selection method of typical/stained abortion type restorer lines of japonica rice

The invention discloses a molecular marker assisted efficient selection method of typical / stained abortion type restorer lines of japonica rice. The method herein includes the steps of (1) using primers to mark first and tenth chromosome restoring genes SSR of four rice parents respectively, performing amplifying before electrophoresis to obtain restorer line genotypes of the four rice parents; (2) hybridizing the four rice parents to obtain F2-generation population restorer line gene molecular-marker-assisted selection results, and subjecting F2-genernation segregation population to molecular-marker-assisted selection to obtain a restorer line lane; (3) subjecting F4 generation to molecular-marker-assisted selection. More restore lines under wide restorer type range can be attained withina short time by molecular-marker-assisted selection; manpower, material and financial resources can be saved.
Owner:辽宁省水稻研究所

Joint control method and system for vacuum station

The invention discloses a joint control method and system of a vacuum station, belonging to the technical field of vacuum stations, including a server, which is connected with a target analysis module through communication, and the target analysis module is used for analyzing work task targets, acquiring task targets, and analyzing the acquired tasks The targets are numbered and sorted to form a task list, and priority marks are identified, and the task targets in the task list are reordered and numbered according to the identified priority marks; keywords to be identified are set, and task targets are identified according to the task target numbers. The amount of tasks in different periods, plan the work orders in different periods, and then adjust the output power of the vacuum pump in different periods, realize frequency conversion, save the energy consumption of the vacuum pump, and also help to increase the service life of the vacuum pump; through the vacuum pump temperature and work instructions Obtaining the air-cooling power can control the temperature in advance according to the work tasks of the subsequent vacuum pump, so that the air-cooling effect can be greatly improved.
Owner:广东鑫钻节能科技股份有限公司

One-way valve for automobile air conditioner

The invention discloses a one-way valve of a vehicle air conditioner. The one-way valve comprises a valve base, a movable valve element, a valve bush and a spring. The valve bush is connected to the valve base in a sleeving manner. The caliber of an air outlet of the valve base and the caliber of an air inlet of the valve bush are both smaller than the pipe diameter of a valve body. The movable valve element and a three-branch fixed frame are arranged in the valve bush. The top of the movable valve element is arranged to be in a step shape. A boss extends out of the top of the movable valve element. A composite sealing gasket is mounted on the boss and matched with an annular boss on the inner wall of the valve bush. The spring is connected between the movable valve element and the three-branch fixed frame. The movable valve element is connected to a movable shaft of the three-branch fixed frame in a sleeving manner and connected to an air outlet of the valve bush. A sealing material on the movable valve element in the one-way valve has the efficient performance of high temperature resistance and corrosion resistance; the sealing material breaks through the difficulty of reprocessing of a polytetrafluoroethylene membrane; the tensile strength of the membrane is greatly enhanced; no leakage happens to products; and the problems that after single polytetrafluoroethylene is used as the sealing gasket, crush resistance cannot be achieved, and cracking is prone to happening are solved.
Owner:WUJIANG KAILIANDA METAL PROD

Foaming sealant, preparation method thereof and sealing system

The invention provides a foaming sealant, a preparation method thereof and a sealing system. The foaming sealant comprises a component A and a component B, wherein the component A comprises polyetherpolyol, isophorone diisocyanate, a flame retardant, a first catalyst, a nucleating agent, a chain extender, a cross-linking agent, a thixotropic agent and water; and the component B comprises polymerpolyol, polyphenyl polymethylene polyisocyanate and a second catalyst. The foaming sealant is good in fireproof effect, high in curing speed and good in plugging effect, and a plugging block obtainedafter curing has good performance.
Owner:广东黑卫防火技术有限公司

power adapter circuit

A power adaptation circuit for outputting a power state signal, which includes three switch elements, a diode, three resistors and a capacitor, wherein each switch element includes a first terminal, a second terminal and a At the third end, a system power supply is grounded sequentially through the first resistor and capacitor, the first end of the first switching element is connected to the node between the first resistor and the capacitor, and is also connected to the anode of the diode, and the second end is connected to the second end through the first The two resistors are connected to a backup power supply, and are also connected to the first terminal of the second switching element, the third terminal is grounded, the second terminal of the second switching element is grounded, and the third terminal is connected to the system power supply through the third resistor, and serves as the The output end of the power adaptation circuit, the third end of the third switch element is used to receive a power-on signal, the second end is grounded, and the third end is connected to the cathode of the diode. The above power adapter circuit can effectively solve the problem of incompatibility between the computer motherboard and the power supply.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Method for preparing high-compact blocky tungsten nickel alloy

The invention provides a method for preparing highly compact block tungsten-nickel alloy, belonging to alloy field. The method is characterized in that in electroforming process, a DC power supply is used, the voltage is 3 to 5V, and the current density is 1 to 12A / dm2; an anode and a cathode are inserted in electroforming liquid; the anode is pure nickel and the cathode is stainless steel or Ti; the electroforming liquid includes the following components: 120 to 350g / L of nickel sulphamate, 20 to 45g / L of nickel chloride, 480 to 1400g / L of sodium tungstate and 10 to 50g / L of boric acid; the electroforming liquid are stirred in the electroforming process, and the stirring speed is 60 to 130rev. / min; the electroforming process is carried out under the constant temperature of 550 DEG C, and residues are filtered; the electroforming time is controlled within 1 to 12 hours. The method of the invention has the advantages that the highly compact block tungsten-nickel alloy is successfully prepared by arranging Ni atoms and W atoms inside the electro-crystallization grains in the mode of mutual clearance occupation.
Owner:BEIJING UNIV OF TECH
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