61results about How to "No processing required" patented technology

The invention discloses a method for recovering and preparing lithium iron phosphate from waste lithium iron phosphate batteries. The method comprises: 1) dismantling the recovered waste lithium iron phosphate batteries, stripping battery cases, immersing the batteries, separating the electrode plates from the powder material of positive and negative terminals through a method of alternation of ultrasonic and mechanical stirring, taking out the electrode plates and diaphragms, and obtaining mixed liquor; 2) performing a preliminary ball milling to the mixed liquor, and drying the uniformly mixed slurry obtained by the preliminary ball milling; 3) calcining the dried material in oxidizing atmosphere to obtain a recovered material, adding iron source, phosphorous source and optionally new lithium iron phosphate, then adding carbon source, high energy ball milling the obtained material, drying the material to obtain a pre-burning material of the recovered material; 4) microwave sintering or solid state sintering the pre-burning material of the recovered material in protective atmosphere to obtain the product of lithium iron phosphate. The preparation method has the advantages of environmental protection, no pollution, simpleness and practicality, high production utilization rate, simple

The invention discloses a water-soluble total-synthesis metal working fluid and application thereof. The working fluid is prepared from the following raw materials in percentage by weight: 1wt%-30wt% of a lubricant, 1wt%-40wt% of a corrosion inhibitor, 1wt%-40wt% of organic amine, 1wt%-20wt% of a cleaning agent, 1wt%-20wt% of a coupling agent, 0.5wt%-5wt% of an antifoaming agent and the balance of water. The working fluid can form water-based steam with anti-rust property in an induction manner in the use procedure, so that the problem of rusting caused by steam which is easily generated by a closed machine tool is solved, and therefore, the working fluid is suitable for a high-precision machine tool, especially a numerical control machine tool with a closed structure.

The invention relates to a method for preparing a porphyra yezoensis R-phycoerythrin fluorescence probe, which is characterized in that the method carries out the following steps at the temperature of 20 DEG C: firstly, deriving R-phycoerythrin in a mole ratio of 40 to 1 of 3 - (2 - pyridine 2-mercapto) propionic acid n-hydroxysuccinimide ester and R-phycoerythrin, 2 hours shaker dark slow-speed oscillating for 2 hours, and using Sephadex G-25 desalting columns to collect the derived R-phycoerythrin; then carrying out the sulfhydrylation of an antibody in a mole ratio of 500 to 1 of dithiothreitol and the antibody, shaker slow-speed oscillating for 1 hour, and using the Sephadex G-25 desalting columns to collect the sulfhydrylation antibody; finally, taking the derived R-phycoerythrin according to the ratio of the mass ratio of 3 to 5 of the R-phycoerythrin before derivation and the antibody to mix with the sulfhydrylation antibody, shaker slow-speed oscillating for 12 hours, adding 100muml N-ethyl maleimide for reacting for 30 minutes, separating and purifying by a Sephacryl S-300HR chromatographic column, and using an eluant of 50mmol / L phosphate buffer and 150 mmol / L sodium chloride with a pH value of 7.0 to collect a separated cross-linked product, namely a porphyra yezoensis R-phycoerythrin fluorescence probe.

The invention provides special flavor lotus sprout can which is composed of the following raw materials of, by weight, 55-70% of lotus sprouts, 1-3% of seasoning materials, and the balance being a soup, wherein the seasoning materials is composed of ginger, red chilli, green pepper, fennel fruits, bay leaves, garlic and radix angelicae; and the soup is prepared by blending acetic acid, a sweetening agent, salt and water. The lotus sprout can retains specific crispness and color of the lotus sprouts, tastes sour and delicious, has bright soup juice and rich nutrition, facilitates digestion, absorption and utilization for human body, is convenient for carrying and storing, and has very good popularization and application value.

The invention relates to a method for scrubbing to remove residues from a dishwasher. Two pulverizing members are arranged in a residue removing part of the dishwasher, the two pulverizing members have opposite surfaces, and a gap is formed between the two opposite surfaces; the two opposite surfaces rotate relative to each other, and the axes of rotation are intersected with or are perpendicularto the plane on which the two opposite surfaces are located; when residue removal is conducted on waste residues in the dishwasher, the flowing water is introduced into the gap between the two opposite surfaces, and in the relative rotation, the two opposite surfaces conduct scrubbing and rolling on the waste residues which flow in with the water. Through the relative rotation of the two oppositesurfaces, the waste residues are subjected to scrubbing and rolling; the intensity of scrubbing and rolling on the waste residues is large, especially compared with instantaneous contact and instantaneous detachment treatment manners such as impacting, cutting and the like on the waste residues, the scrubbing and rolling action has strong sustainability on the waste residues, and the treatment effect is better; compared with a conventional method of random impact and random touch cutting between waste residues and cutters, the treatment speed is greatly accelerated.

The invention belongs to the technical field of radioactive waste treatment, and relates to an efficient adsorption treatment method for a radioactive waste resin Fenton oxidation waste liquid. The method comprises: (1) filtering a radioactive waste resin Fenton oxidation waste liquid to remove the residue and the insoluble matter, and adsorbing with a molecular sieve; and (2) measuring the nuclide radioactivity concentration of the waste liquid adsorbed by the molecular sieve, directly discharging the waste liquid if the measured value is lower than a set value, and making the waste liquid return to the molecular sieve and be adsorbed if the measured value is higher than or equal to the set value. According to the present invention, with the method, the deep purification treatment of thekey feature nuclides Co-60, Cs-137 and Sr-90 can be achieved while the characteristics of the original waste liquid are substantially unchanged, and the treated waste liquid can meet the direct discharge requirement (the total nuclide radioactivity concentration is less than 500 Bq/L).

The invention provides an inorganic binding material for assembled prefabricated parts, and a preparation method and an application thereof. The inorganic binding material is prepared from a componentA and a component B, wherein the component A comprises, by weight, 50-100 parts of a magnesium compound, 15-35 parts of fly ash, 0.5-1.5 parts of a superplasticizer and 6-12 parts of a composite retarder; and the component B comprises, by weight, 15-30 parts of phosphate, 50-120 parts of quartz sands, 0.5-5 parts of fibers, 1-3 parts of a waterproofing agent and 3-6 parts of a pH stabilizer. Theinorganic binding material for assembled prefabricated parts has the advantages of adjustable solidification time, high bonding strength, high tensile strength, good bonding durability, low shrinkage,good weather resistance, good high temperature resistance, low cost and environmental friendliness.

The invention provides a preparation method of a composite board. The preparation method comprises the following steps: S1. coating hot melt adhesives on the upper and/or lower surface of a polystyrene substrate and putting the polystyrene substrate into a hot roller press to be hot-pressed to form a pre-pressed substrate; S2. coating metal foils on the upper and/or lower surface of the pre-pressed substrate to form a pre-pressed composite board; and S3. putting the pre-pressed composite board into the hot roller press to be hot-pressed to form the composite board, wherein the hot-press temperature is 121-280 DEG C. The preparation method has the beneficial effects that the processing method for coating the metal foils (such as copper foils) on the polystyrene substrate by using the hot-pressing mode of the hot roller press in two steps cannot cause wrinkling of the metal foils due to too fast cooling and the metamaterial composite board with smooth surface is obtained; and the processing method is conductive to simplifying the production process and reducing the cost and is pollution-free and the metal foil coating bonding force meets the processing requirement of a metamaterial, so the metamaterial composite board can be widely applied in the field of the metamaterial processing.

The invention relates to a tool for the epoxy resin casting of a motor. The tool comprises a support base and a central column, wherein the cylindrical central column is vertically arranged at the central position of the upper end face of the support base; a screw penetrates through the center of the support base from bottom to top, and is connected with the lower end of the central column; the lower end face of the central column is clung to the upper end face of the support base; the outer side of the central column is sleeved with a motor stator; a sealing ring is embedded into the outer lateral surface of the upper end of the support base, and is attached to the inner side of a jacket of the motor stator. The tool is simple in structure; due to the adoption of a split structure, the tool is convenient to assemble and disassemble; procedures for machining an inner hole of the motor stator are reduced, so that the production efficiency is improved.

The invention provides a sewage treatment method. Water body pollutants are subjected to adsorption treatment through porous composite materials; the porous composite material comprises a magnetic inner core (1) and a porous case (2) coating the outside of the inner core; a microfluid technology is used for synthesizing micron order porous composite materials; the water body pollutants are subjected to adsorption treatment by the porous composite materials.

The invention provides an automobile instrument pointer dial quick reading method based on a single-chip microcomputer, comprising the following steps: (1) establishing a standard image of an instrument pointer dial; (2) shooting a to-be-detected instrument pointer dial; (3) setting a reference line with a center point O as the center, setting the radius R of an arc where the reference line is located, calibrating a point A1 on the reference line, calculating the slope of the connection line of the point A1 and the center point O if the instrument pointer in an initial state overlaps with the connection line of the point A1 and the center point O, setting the coordinate of the point A1 as (x, y), extracting the gray value Y1 of the coordinate (x, y) of A1, adjusting the instrument to make the pointer deflect to a certain degree; (4) making an offline lookup table; (5) querying the position to which the pointer deflects; (6) calculating the relative deflection angle Beta of the pointer relative to the initial position; and (7) calculating the automobile speed based on the relative deflection angle Beta. The method has the advantage that the method can be implemented only using a single-chip microcomputer, and does not need a lot of image processing and data calculation.

The invention provides a rapid virus detection method based on a single-molecule total internal reflection fluorescence imaging technology. The method comprises the following steps: step A, adding a fluorescent nucleic acid probe into a virus standard solution as a to-be-detected solution; step B, putting the to-be-detected solution on a total internal reflection fluorescence imaging device for fluorescence signal detection, calculating a diffusion coefficient according to the dynamic change of a tracked fluorescence signal phase point, taking the diffusion coefficient as a single molecular dynamics fingerprint signal of virus particles, and calculating the average hydrodynamic diameter of the virus by utilizing a Stocks-Einstein equation; and step C, replacing the virus standard substancewith a to-be-detected virus sample, obtaining a monomolecular kinetic fingerprint signal and a hydrodynamic diameter of the to-be-detected virus according to the same operation, and indicating that the to-be-detected virus sample contains the same type of virus if the monomolecular kinetic fingerprint signal and the hydrodynamic diameter conform to the monomolecular kinetic fingerprint signal andthe average hydrodynamic diameter. Quantitative detection can be realized by counting the two-dimensional paths of the fluorescence point signals conforming to the diffusion coefficient. The method has the advantages of simplicity, rapidness, high efficiency and economy, and is suitable for large-scale rapid detection of viruses.

The invention discloses a soft damage resistance testing method. The soft damage resistance testing method comprises: testing the initial luster of a to-be-tested area of a to-be-tested piece; putting the to-be-tested piece on a sample base plate, and fixing the to-be-tested piece; driving the sample base plate to move the to-be-tested piece to one end of a base through a driving device; fixing a soft damage medium on a lower surface of a load device; moving a load positioning device to the to-be-tested area of the to-be-tested piece, and fixing the load positioning device; installing the load device on the base, and making the soft damage medium come into contact with the to-be-tested piece; driving the sample base plate to move relative to the load device through the driving device; driving the sample base plate to return to an initial position by the same way through the driving device; testing the endpoint luster of a rubbed area of the to-be-tested piece; evaluating the mechanical property of a material through the endpoint luster and the initial luster. The method is simple and convenient in operation, a complicated sample pretreatment requirement is avoided, testing medium varieties are easily replaced, the test area is large, and the method is suitable for qualitative and quantitative characterization.

The invention provides a film discharge structure and a detection method used for detecting a reinforcement effect in vacuum prepressing. The detection method comprises that a film discharge tube with a diameter of no less than 90 mm and a length of no less than 1300 mm is prepared at first and then laid on a drainage sand cushion layer, the film discharge tube is embedded into a soft soil layer to be reinforced, a lower-layer geotextile equipped with a film discharge hole and a vacuum film are then laid successively, a rolled edge turned upwards is preserved on the edge of the film discharge hole, the rolled edge is sealed and fixed on the film discharge tube by a PVC adhesive and an elastic binding role, the vacuum prepressing is then carried out for a certain period, a detection probing rod of a detection device at an original position is inserted into the soft soil layer to be reinforced through an upper tube hole of the film discharge tube to realize original position detection, and secondary sealing is carried out to a tube hole of the film discharge tube after the detection. The film discharge structure and the detection method used for detecting the reinforcement effect in the vacuum prepressing provided by the invention satisfy requirements for vacuum degree stabilization under a film and continuous loading and prepressing, and can also satisfy requirements for detecting the soft soil reinforcement effect during the vacuum prepressing or vacuum combined preloading.

The invention relates to cement blocks, with a purpose of providing a lightweight and environmental friendly multi-functional cement block processing technology that is suitable for the traditional operating habit. The processing steps are: a, preparing for materials according to the following weight ratio: 8-13 parts of crushed stones, 1 part of cement, 0.01-0.02 part of polypropylene fiber, and 1-2 parts of glass bead particles; particle size of the crushed stones is 0.03-0.5 cm; b, adding water to the solid material and blending the mixture homogeneously; c, adding the well mixed slurry to a compression moulding press to be moulded, with a moulding pressure bigger than 5 MPa; d, after moulding, placing the blocks on a layer board in the curing room for curing, with a curing temperature of 25-33 oC, and a curing time of 20-30 h in summer, and 36-60 h in winter; after then, placing the blocks in the open air to be watered everyday for curing for more than 28 days; the processing technology can be extensively used in sectors like construction, and hardening of road surface, and so on. Compared with traditional solid clay bricks, the cement blocks have the advantages of low density, good heat insulation property, high strength, and good earthquake resistance.