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1281results about How to "Simplify operating procedures" patented technology

Small automatic charging and electrical changing station for electric vehicle

InactiveCN106143183ASave spaceSimplified pick and place structureCharging stationsElectric propulsion mountingElectricityControl system
The invention belongs to the technical field of charging and electrical changing of electric vehicles and in particular relates to a small automatic charging and electrical changing station for an electric vehicle. The invention aims at solving the problems that an existing electrical changing station occupies large area, and is low in modularization degree and inconvenient to maintain, and scale can not be changed once the existing electrical changing station is built. For the purpose, the small automatic charging and electrical changing station for the electric vehicle comprises an electrical changing platform, a charging platform, an electrical changing system and a control system, wherein the electrical changing platform, the charging platform and the electrical changing system are respectively connected with the control system. The small automatic charging and electrical changing station for the electric vehicle is characterized in that an electrical changing trolley of the electrical changing system can freely shuttle between the electrical changing platform and the charging platform, a battery can be directly taken out from a charging frame of the charging platform, and a replaced battery is directly put back onto the charging frame. By adopting the technical scheme, the small automatic charging and electrical changing station for the electric vehicle occupies small area and can be flexibly set on an existing cit surface parking lot, and underground and other various environments appropriate for parking.
Owner:NIO NEXTEV LTD

Corrosive agent for displaying silicon steel coagulation tissue and its preparation method

InactiveCN101144762AReactive and restrictiveAvoid irritation hazardsPreparing sample for investigationChemical agentPrecipitation
The invention provides a corrosive for the revealing of the silicon steel solidification structure. The invention has the component and blending ratio of the corrosive that 0.9 to 1.2 gram of a picronitric acid and / or 0.9 to 1.2 gram of a stannous acid, 10 to 20 gram of a ferric chloride, 20 to 50 milliliter of an absolute ethyl alcohol, 15 to 18 milliliter of a hydrochloric acid, 0.2 to 0.5 gram of a copper chloride, 0.2 to 0.5 gram of a magnesium chloride and 80 to 100 milliliter of a distilled water. The invention has the dosing method of the corrosive that the picronitric acid and / or the stannous acid and the ferric chloride are put into a container; the distilled water is divided into two shares, and one share is added into a medicine container; the absolute ethyl alcohol is divided into two shares, one share is added into an aqueous solution which is mixed with medicine, and the other share is added into the distilled water; the hydrochloric acid is added into the ethyl alcohol aqueous solution; the aqueous solution containing ethyl alcohol and hydrochloric acid is poured into the aqueous solution which is mixed with medicine, and the copper chloride and the magnesium chloride are added in. The chemical agent which is used in the corrosive reciprocally reacts mutually and has the strong conditionality, the efficiency of the core corrosive is exerted without forming a surface precipitation membrane, and a clear tree like crystal shape can be directly observed; the corroding time of the corrosive is short, and is suitable for a large size continuous casting semi finished metal; the dosing method of the corrosive is scientific, and the operating procedure is simple, convenient and easy to operate.
Owner:ANGANG STEEL CO LTD

Cathode material Li3V2(PO4)3 of lithium ion battery and its making method

The invention discloses a lithium-ion battery positive material-lithium vanadium phosphate, and the preparation method thereof, the main technical proposal is to enhance the purity of positive material and simplify the synthesizing method. The positive material in the invention is provided with a base body of lithium vanadium phosphate, carbon materials are coated outside the base body, the positive material is provided with some microscopic features like spheres, semi-spheres with the length of long axis and short axis of 5-30 micron, diamonds, cones, flakes, laminates and / or blocks, the size thereof is 5-30 micron, and the specific surface area is 5-15m2 / g. The preparation method includes preparing nano particles, liquid mixing reacting, preparing precursors, pretreament, activated roasting, coating the organic materials which can be carbonized, and then high-temperature processing. Compared with the prior art, by utilizing the nano particle secondary-molding liquid method for synthesizing the positive material-lithium vanadium phosphate, the invention simplifies operation processes and reduces production cost, with the positive material with higher charging-discharging capacity and excellent cyclical steady.
Owner:SHENZHEN CITY BATTERY NANOMETER TECH

Preparation method of abx3 type all-inorganic perovskite nanocrystal

The invention discloses a preparation method of an ABX3 type all-inorganic perovskite nanocrystal. In the preparation process, a solvent is used in a small amount, and the raw material unit price is low (for example, an expensive PbX2 raw material is replaced by cheap lead acetate), environmental requirements are not high in the preparation process, a glove box is not required, the operation procedure is simple, and the cost of raw materials and instruments is greatly reduced. The nanocrystal can synthesize a target product in a wide temperature range of 0 to 300 DEG C in the preparation process, and the morphology, phase, size and luminous performance of the nanocrystal can be controlled by changing the raw material ratio, solvent ratio, reaction temperature and/or reaction time, for example, perovskite nanowires can be prepared at the reaction temperature of greater than or equal to 0 DEG C and less than 90 DEG C, and perovskite quantum dots can be prepared at the reaction temperature of 90 to 300 DEG C. The nanocrystal has good stability and high fluorescence quantum yield (26%-80%), and can realize full visible spectrum (400-700 nm) luminescence. The preparation method is simple in process, short in time consumption, low in cost, easy to amplify and synthesize, and suitable for industrial large-scale preparation.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI

Method for polishing ion beam with high-gradient mirror surface

InactiveCN101898324ASolve the problems in polishingAchieving Deterministic PolishingOptical surface grinding machinesElectric discharge tubesNumerical controlOptical axis
The invention discloses a method for polishing an ion beam with a high-gradient mirror surface. The method comprises the following steps of: (1) measuring incidence angles theta of all points on the mirror surface; (2) confirming a compensation factor K of each point according to a model; (3) measuring an initial surface error E of a workpiece by utilizing interferometry; (4) compensating the E according to the K to acquire a compensation surface error E'; (5) acquiring a removal function R of an ion beam in the vertical incidence of the mirror surface through removal function experiment; (6) confirming residence time distribution T and generating a numerical control code according to E' and R; (7) processing by utilizing a generating device of the removal function and the generated numerical control code, enabling the ion beam to enter the mirror surface along a direction parallel to the optical axis direction of the workpiece in processing and trimming the mirror surface through a triaxiality linkage system; and (8) repeating the steps until the trimming result satisfies the requirement of surface convergence accuracy. The method of the invention has the advantages of simple operation, good stability, high processing accuracy, strong controllability, low requirement for equipment, and the like in processing the high-gradient mirror surface.
Owner:NAT UNIV OF DEFENSE TECH

Method for recycling palladium from silver electrolyte by using dimethylglyoxime

The invention discloses a method for recycling palladium from a silver electrolyte by using dimethylglyoxime. The method comprises the following steps: adding dimethylglyoxime into a palladium-containing electrolyte for precipitating palladium; performing solid-liquid separation, returning filtrate as an electrolyte, and eluting filter residue with nitric acid acidification water to obtain a dimethylglyoxime palladium crude product; dissolving the dimethylglyoxime palladium crude product with aqua regia, and then precipitating palladium with ammonium chloride; eluting an obtained ammonium chloropalladate precipitate with an ammonium chloride solution until filtrate is colorless; and adding water, heating, and dissolving; filtering, and cooling filtrate; adding ammonia water, complexing and dissolving; cooling, filtering, and eluting the filter residue with ammonia water; adding hydrochloric acid for acidifying filtrate; filtering to obtain a diammonium dichloropalladite precipitate; and reducing the precipitate by hydrazine hydrate to obtain palladium sponge with the grade of 99.99%. Heating and pH regulation are not required, and only quantitative precipitation of palladium is required; the selectivity is good; and the precipitated dimethylglyoxime palladium can achieve a very high purity after simple eluting, so that the palladium purifying process is greatly shortened and the palladium recycling rate is improved; the using amount of dimethylglyoxime is low; and except a small amount of ethanol, other ions are not brought, so that the reuse of the electrolyte is not affected.
Owner:SIHUI CITY HONGMING PRECIOUS METALS
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