91results about How to "Short operation process" patented technology

A drag reduction superhydrophobic coating and a preparation method thereof belong to the technical field of functional nanometer material application. A base of the drag reduction superhydrophobic coating adopts electroless metal deposition technique, a precious metal micro-nanometer binary grading composite structure is constructed on the base and decorated by a low surface energy material, a water static contact angle of the coating is larger than 150 degrees, and a rolling angle is smaller than 5 degrees. The drag reduction superhydrophobic coating is used for a model with motive power by itself, running speed of the model is obviously increased, and drag reduction rate is as high as 20%. The drag reduction superhydrophobic coating has good corrosivity resistance and can resist corrosion of strong acid and strong base solutions. The drag reduction superhydrophobic coating has repairability, and the preparation method can enable hydrophobicity of damaged areas to be rapidly recovered in a short period. The preparation method of the drag reduction superhydrophobic coating is simple, short in preparation period, and high in drag reduction rate.

The invention relates to a method for preparing neodymium and iron oxides by using neodymium iron boron oil sludge through regeneration and co-precipitation, belonging to the field of recycling of neodymium iron boron oil sludge. The method comprises the following steps of: adding hydrogen peroxide to oxidize a pickling liquid of the neodymium iron boron oil sludge, adjusting the PH value, adding a proper amount of sodium hydroxide, ammonium hydroxide or sodium oxalate precipitating agent at one step, preserving the heat of 60-100 DEG C for a period of time, centrifuging a sediment, drying, and roasting at high temperature to obtain a mixture of the neodymium and iron oxides. The method is short in operation process, simple in operation and capable of avoiding using a great deal of reagents.

The invention relates to a machining process, in particular to a machining process of a copper pipe for an ultrathin-walled air conditioner. The machining process includes casting, surface milling, planetary rolling, combined drawing, bull block drawing, finishing, annealing and packaging. The machining process is short in operation flow, high in automation level and excellent, and produced copper pipes are thin in walls, good in surface quality, low in impurity content and high in yield.

The invention provides an extraction method of a peony product. According to the invention, picked peony seeds are subjected to low-temperature bake-drying or air-drying; the seeds are shelled, such that peony seed kernels are obtained; winnowing is carried out; and cold-pressing is carried out, such that peony cake or peony oil is obtained. In prior arts, impurities in peony products are hard to remove; an extraction temperature is high; toxic solvent and organic chemical substance residues are easy to occur; effective component is easy to consume, such that natural activity is lost, and physiological role and pharmacological activity of the product are damaged; and severe pollution. With the peony product extraction method provided by the invention, the problems are solved.

The invention discloses a magnetic bead time resolution fluorescence immunoassay quantitative determination CK-MB kit. The CK-MB kit comprises an immunomagnetic bead coating a CK-MB monoclonal antibody, a CK-MB standardized product solution, a europium-marked CK-MB monoclonal antibody solution, washing liquid and enhancement liquid. The immunomagnetic bead coating the CK-MB monoclonal antibody isa covalent conjugate of a superpara magnetic bead modified by a functional group and with the diameter being 1-3 microns and the CK-MB monoclonal antibody. The kit has the high sensibility, the sensibility of CK-MB is 1ng / mL, and a blood serum (plasma) does not need to be diluted; the determination time is short, and a report can be resulted within 30 minutes; the demanding amount of the sample isless, and only 50 microliters are needed for one-time sample loading; and the kit is equipped with a full-automatic time resolution immune analysis meter, operation is easy, no artificial error exists, and labor is saved. The kit reasonably utilizes the space of a reagent strip, the structure of the reagent strip is more compact, the reagent strip can be transported more easily, and used conveniently, the operation is simple, and the stability is good.

The invention relates to a smart lifting jack verification indication device based on embedded plat form and verification method of the smart lifting jack verification indication device based on embedded platform. The smart lifting jack verification indication device based on embedded plat form and verification method of the smart lifting jack verification indication device based on embedded platform comprise a standard dynamometer. The smart lifting jack verification indication device based on embedded plat form and verification method of the smart lifting jack verification indication device based on embedded platform are characterized by further comprising a data acquisition and control module, an embedded control platform and a remote control module. The data acquisition and control module are connected between the embedded control platform and the standard dynamometer in an electric mode. The remote control module communicates with the embedded control platform in a wired or wireless mode, and instructions of operators are conveyed. The verification system comprises a force sensor, an embedded control platform with a touch screen, a high speed data acquisition module, a remote control unit, a remote record query, and a certificate printing device. Through collection, identification, comparison, and data processing of the strength signals or indicating value images outputted by the verified lifting jacks, verification results are gained at last, and verification records and verification reports are formed. The smart lifting jack verification indication device based on embedded plat form and verification method of the smart lifting jack verification indication device based on embedded platform have the advantages that smart verification of all kinds of lifting jacks can be achieved automatically, quickly, and efficiently.

The invention discloses plastic filling master batch which is prepared from the following components in parts by weight: 85 to 90 parts of padding, 0.5 to 1 part of lubricating agent, 0.5 to 1 part of coupling agent, 6 to 13 parts of binding agent and 0.1 to 0.5 part of curing agent; the binding agent is liquid bisphenol A-type ethoxyline resin, and the curing agent is maleic anhydride, phthalic anhydride, methyl tetrahydrophthalic anhydride or methylhexahydrophthalic anhydride; the invention also discloses the preparation method of the plastic filling master batch. Compared with the prior art, the plastic filling master batch provided by the invention has the characteristics of high purity, easiness in fluidity, high dispersion, no floating and environment friendliness. The method for preparing the master batch has the advantages of short flow, less energy consumption, and less dust during a production process.

The invention relates to a China hemp fiber one-step fiber forming and carding machine and belongs to the technical field of design and manufacturing of China hemp combined fiber forming and carding machines. Equipment is composed of a vehicle wallboard and an equipment body. The equipment body is composed of a feeding part, a carding region I, a carding region II and a net strip forming part. A transferring licker-in roller is arranged between a cylinder A and a cylinder B, and a doffer is arranged at the front part of the cylinder B. Transferring rollers above the cylinder A and the cylinder B are respectively provided with a small chain wheel. During operation, a hemp roll is unwound and fed to a roller to be held and then is fed into the cylinder A, a hemp layer is stripped and carded step by step in the cylinder A, then the hemp layer subjected to carding enters the cylinder B, carding treatment is carried out on the hemp raw material by virtue a working roller and a transferring roller, and finally the net strip is output. The machine provided by the invention has the characteristics of simple equipment structure, short operational process, one-step carding, less wet dissipation, optimum degree of carding strength, improvement of the split degree and increase of fiber length, thereby solving the problems of the existing equipment.

The invention discloses a perovskite light absorbing material and a preparation method thereof, and belongs to the technical field of materials. The preparation method of the perovskite light absorbing material comprises the steps of adding GeO2 to a halogen acid solution, then adding a hypophosphorous acid solution and reacting, then adding rubidium salt and reacting, and performing solid-liquid separation, washing and drying to acquire an RbGeX3 perovskite light absorbing material, wherein X is Br or I. The perovskite light absorbing material (RbGeX3) prepared according to the invention greatly expands the type and the scope of perovskite photoelectric materials, can significantly increase the light absorbing coefficient in the visible light range and improves the photoelectric conversion efficiency.

The invention relates to antibacterial glass and a preparation method of the antibacterial glass. The antibacterial glass comprises a glass substrate, wherein a transparent coating is arranged on at least one lateral surface of the glass substrate, the transparent coating comprises a first coating layer and a second coating layer, the first coating layer is formed by baking a mixed solution of a colorless nano-silver solution and polyethylene glycol after applying onto one lateral surface of the glass substrate, the second coating is formed by carrying out ultraviolet curing on a mixture of ethoxylated trimethylolpropane triacrylate and UV resin, and the second coating is located at the outermost layer of the antimicrobial glass. The antibacterial glass is colorless, transparent, long-lasting in antibacterial effect, resistant to ultraviolet radiation, scrub-resistant, good in weather resistance and wide in practical range; the manufacturing method of the antibacterial glass is short in operation process, high in production efficiency, low in cost, long-lasting in effect, and good in market application prospects.

The invention discloses a copper-lead-zinc environment-friendly non-poisonous agent separation technology. The copper-lead-zinc environment-friendly non-poisonous agent separation technology comprisesthe steps of mineral separation, ore grinding, copper-lead bulk flotation, copper-lead separation and zinc ore separation; a copper-lead bulk flotation agent adopted during copper-lead bulk flotationcomprises sodium sulfite, zinc sulfate, PAC and 25# black powder; a copper-lead separation agent adopted during copper-lead separation comprises activated carbon, sodium sulphide, lime, sodium thioglycollate, ethyl thio carbamate and a lead collecting agent; and an agent adopted during zinc ore separation comprises copper sulfate, butyl xanthate, isopentyl xanthate and lime. The copper-lead-zincenvironment-friendly non-poisonous agent separation technology provided by the invention is good in copper-lead separation effect, short in operation procedure, convenient to operate and easy to achieve, and in addition, the selected agent is good in effect, small in poisonousness and low in environmental threat.

The invention relates to a preparation method of nanometer hydrophobic calcium oxalate powder for a protection coating of stone cultural relics. The preparation method comprises preparing calcium oxalate and modifying the prepared calcium oxalate. The nanometer hydrophobic calcium oxalate powder has bionic performances, good hydrophobicity, good weatherability, good abrasion resistance and a long service life and does not damage stone cultural relics after losing effect. The preparation method has the advantages of simple processes, good production conditions, low processing cost and effective prevention of erosion of stone cultural relics.

The invention relates to a method for measuring the nitrogen content of a rare earth permanent magnetic material neodymium-iron-boron alloy by using a thermal conductivity method. The method comprises the following steps: putting a nickel bag containing graphite powder into an oxygen-nitrogen tester to measure peak and nitrogen results of nitrogen in the nickel bag; then putting a standard sample into the nickel bag, and compacting a seal of the nickel bag by using a wire stripper to measure the peak and nitrogen results of nitrogen; continuously measuring the standard sample for more than three times according to the method to obtain different measured values; clicking a calibration button of nitrogen in an instrument calibration page to ensure that an instrument performs calibration automatically and then a new calibration factor appears, and clicking a saving button to enter the next step; weighing a to-be-measured sample, putting the sample into the nickel bag, and compacting the seal of the nickel bag by using the wire stripper to measure the peak and nitrogen results of nitrogen, thereby obtaining an analysis result of nitrogen. Therefore, the accuracy is measured by comparing with the measurement of the standard sample.

The invention belongs to the technical field of food processing, and discloses a vertical-linkage and reciprocating rolling-type mashed potato preparing device. The vertical-linkage and reciprocatingrolling-type mashed potato preparing device comprises a box, wherein the section of the bottom wall of the box is funnel-shaped; supporting legs are fixedly connected to four corners of the bottom wall of the box; the discharge end of a feed hopper is fixedly communicated with the front surface of the box; a mounting hole is formed in the middle part of the top wall of the box; an exhaust fan is fixedly mounted inside the mounting hole; the feed end of a discharge pipe is fixedly communicated with the middle part of the bottom wall of the box; a driving motor is fixedly mounted at the top endof the right side surface of the box through a mounting rod; a rolling mechanism is arranged inside the box. Through arrangement of the rolling mechanism, the vertical-linkage and reciprocating rolling-type mashed potato preparing device can quickly roll potatoes after feeding to quickly destroy the structures of the potatoes, so that rapid mashing of the potatoes is achieved and improvement on the preparation efficiency of mashed potato is facilitated.

The invention provides a time resolution immunoassay test kit and method of ciprofloxacin residual. The test kit of the invention is coated with an elisa plate of a ciprofloxacin antigen, a lanthanide-labeled goat anti-rabbit or goat anti-mouse antibody, a ciprofloxacin antibody and the like. The invention also discloses the method for testing the ciprofloxacin residual by utilizing the test kit. The test kit for testing the ciprofloxacin provided by the invention has the advantages that an indirect competition time resolution immunoassay technique is adopted, the sensitivity is high, the stability is good, the operation step and the reaction time are greatly simplified, errors caused by the complex operation are reduced, and the cost is lowered, thereby being extremely suitable for screening a large number of samples, and having important realistic significance.

The invention provides a ractopamine residual time resolution immunoassay kit and a detection method thereof. The kit of the invention contains an ELISA plate of ractopamine antigen, lanthanide labelled goat anti rabbit or goat anti mouse antibody and ractopamine. The invention also discloses a method for detecting ractopamine residue by applying the kit. The kit for detecting ractopamine provided by the invention adopts indirect competitive time resolution immunoassay technology, sensitivity is high, stability is good, operation steps are greatly simplified and reaction time is reduced, error caused by complex operation is reduced, and cost is reduced, thus being applicable to screening of massive samples and having important reality significance.

The invention discloses a magnetic bead time resolution immunofluorescence quantitative detection H-FABP (heart-type fatty acid binding protein) kit. The kit comprises an H-FABP monoclonal antibody-coated immunomagnetic bead, an H-FABP calibration product solution, a europium-marked H-FABP monoclonal antibody solution, cleaning liquid and an enhancement solution. The H-FABP monoclonal antibody-coated immunomagnetic bead is super paramagnetic bead with functional group modification and the diameter of 1 to 3 [mu]m and an H-FABP monoclonal antibody covalent conjugate. The kit is high in sensitivity, the sensitivity of H-FABP is 2 ng / mL, and a serum (plasma) sample does not need to be diluted; the detection time is short and a report can be output within 30 minutes; the demand quantity of samples is small and one-time sample loading only needs 50 [mu]L; the matched fully-automatic time resolution immunoanalyzer is simple in operation and labor-saving.

The invention discloses a method for visually detecting melamine through nanogold hydrosol without an aptamer. The method comprises the following steps: adding plants into absolute ethyl alcohol, boiling, carrying out extraction, and filtering, so as to obtain filtrate; adding activated carbon into the filtrate for decolorization, and standing for 1 day, so as to obtain a faint yellow plant extracting solution; diluting the faint yellow plant extracting solution, and refrigerating a obtained diluent for later use; and extracting the diluent, adding a to-be-tested sample into the diluent, uniformly mixing, adding a chloroauric acid water solution to adjust the pH, reacting, and detecting melamine by virtue of a visual colorimetric method or an ultraviolet visible spectrophotometry. The method is rapid, simple, convenient, high in sensitivity and strong in anti-jamming capability, and the detection limit to melamine can reach 15nM. The method can be used for visually detecting a melaminesample, the field sampling detection can be realized, the detection sensitivity is high, and the qualitative and quantitative detection of melamine can be realized; and the sample can be detected ina severe environment, so that the application range of the sample is wide.

The invention discloses a zero-emission apparatus for environmentally recovering an acidic copper etching waste fluid, comprising an etching machine used for online etching, a precipitation tank, a pneumatic filter press and a blending tank. The precipitation tank is separately connected with the etching machine and the pneumatic filter press, the pneumatic filter press is connected with the blending tank, and the blending tank is connected with the etching machine. A copper etching waste fluid pump is arranged between the etching machine and the precipitation tank, a pneumatic pump is arranged between the precipitation tank and the pneumatic filter press. A clear liquid pump is arranged between the pneumatic filter press and the blending tank, and a new etching liquid pump is arranged between the blending tank and the etching machine. The invention further discloses a process for environmentally recovering the acidic copper etching waste fluid. Copper ions in the acidic waste liquid are precipitated by adopting a chemical precipitation method, and a chloride ion concentration and a pH value in the solution is adjusted to remake the solution to an ammonium chloride etching liquid raw material. New wastewater or waste is not generated in the whole process, wastewater is treated from a source. The apparatus and the process is environmental and clean, short in the operation process, low in the equipment cost, small in the occupied area, and remarkable in the economic benefit.

The invention discloses an ammonia-palladium complex and a preparing method thereof and belongs to the technical field of chemical synthesis. The general formula of the ammonia-palladium complex is Pd(NH3)x Pd(SO4)2, and x=0.9-2.0. The preparing method comprises the steps of dissolving materials, preparing a solution, adjusting the pH value and carrying out sediment crystallization. The palladiumcontent of the ammonia-palladium complex reaches up to 48-50% and is obviously increased compared with that of electroplating palladium (Pd is about 39% in tetraamminepalladium sulfate) widely adoptedat present, the adding amount of counter ions can be correspondingly reduced when the ammonia-palladium complex is used for preparing palladium-contained electroplating fluid or replenishing fluid, and thus the service life of electroplating fluid can be prolonged. The productivity of the preparing method of the ammonia-palladium complex can reach to 98% which is close to 100%, no byproduct is generated, the operation flow is short, the reaction temperature is low, the production cost of electroplating palladium salt can be further reduced, and mass production is facilitated.

The invention discloses a method for extracting high-purity scandium oxide from scandium-containing nickel-cobalt hydroxide through a short process. The method comprises the following steps: curing and leaching scandium-containing nickel-cobalt hydroxide by using concentrated sulfuric acid to obtain scandium-containing nickel-cobalt leachate; performing scandium extraction treatment on the scandium-containing nickel cobalt leaching solution by using an organic extraction agent to obtain a nickel cobalt sulfate solution and a scandium-containing organic phase; performing countercurrent washing on the scandium-containing organic phase by using a detergent to obtain a washing solution and a purified scandium-containing organic phase; subjecting the purified scandium-containing organic phase to first countercurrent reverse extraction treatment through a first reverse extraction agent, so as to obtain first scandium-containing reverse extraction liquid and a first reverse extraction organic phase; performing second countercurrent reverse extraction treatment on the first reverse extraction organic phase by using a second reverse extraction agent to obtain second scandium-containing reverse extraction liquid and a second reverse extraction organic phase; respectively carrying out scandium precipitation treatment on the first scandium-containing reverse extraction liquid and the second scandium-containing reverse extraction liquid by using oxalic acid to obtain scandium oxalate precipitate; and calcining the scandium oxalate precipitate to obtain scandium oxide. By adopting the method, scandium oxide with the purity of 99.99% can be extracted.

The invention provides an oligotrophic denitrifying bacterial strain. The oligotrophic denitrifying bacterial strain is classified and named Denitrobacillus licheniformis EM1, is preserved in the China Center for Type Culture Collection in Wuhan University, Wuhan, China, is preserved on November 10, 2017, and has a preservation number of CCTCC No M2017678. The bacterium can survive under a low carbon source concentration and can efficiently realize the denitrifying process, so that upgrading and reconstruction of an urban sewage treatment plant can be implemented with low cost.

The invention provides a time-resolved immunoassay kit for detecting chlorpromazine residues and a detection method thereof. The kit of the invention comprises an ELISA (enzyme-linked immunosorbent assay) coated with chlorpromazine antigen, lanthanide element-labeled goat anti-rabbit or goat anti-mouse antibodies, anti-chlorpromazine antibodies, and the like. The invention also discloses a method for detecting chlorpromazine residues using the above kit. The kit for detecting chlorpromazine residues provided by the invention adopts indirect competitive time-resolved immunoassay technology, has high sensitivity and good stability, greatly simplifies operation procedures and reaction time, reduces errors due to complex operation, reduces cost, is suitable for screening of a large number of samples, and has very important operation significance.

The invention provides a method for preparing metal copper by electrolytic refining. The method comprises the following steps: uniformly mixing polyol or amide and quaternary ammonium salt in a molarratio of 1-6:1, adding cuprous salt, and mixing the materials to obtain an electrolyte, wherein the molar concentration of the cuprous salt is 0.02 mol / L-0.05 mol / L, and the quaternary ammonium salt is quaternary ammonium salt containing chloride ions; performing electrolysis in the electrolyte under the conditions that the temperature is controlled at 40-80 DEG C and current density is 50-200 A / m<2> to obtain metal copper with crude copper and waste miscellaneous copper taken as an anode and pure copper sheets taken as a cathode. The method can obviously reduce energy consumption in the electrolytic refining process, has short operation flow and is environmentally friendly, and metal copper with higher purity can be prepared.

The invention discloses a method for recovering mercury from a waste mercury catalyst. The method comprises the following steps that (1) through the water solubility of HgCl2, the waste mercury catalyst is pretreated through water, the leaching reaction time is 80.0-90.0 min, the leaching reaction temperature is 50.0-80.0 DEG C, the liquid-solid ratio is (20.0:1.0)-(10.0:1.0), the magnetic stirring speed is 200.0 r / min, the pH value is 0.5-1.5, and at this time, the leaching rate of Hg2+ in the waste mercury catalyst is 85.5-93.2%; and (2) a leaching solution containing the Hg2+ is filtered bythe step (1), a suitable flow carrier, surfactant and solvent are selected, emulsion is made under high-speed stirring and mixing, and low-speed stirring for mass transfer is conducted with an external water phase containing the Hg2+ for a period of time. According to the method, an emulsion membrane system is adopted as a chemical separation method for recovering the mercury, the advantages of high efficiency, environmental protection, new type, easy operation and good selectivity are achieved, meanwhile, the operation flow is short, the operating conditions are mild, the operation cost andthe equipment cost are low, and the mercury in the waste mercury catalyst can be efficiently and quickly recovered.

Belonging to the technical field of metallurgical analysis method, the invention discloses a determination method for rare earth oxide in rare earth concentrate. The invention aims to provide a rapid, efficient and low-cost determination method for rare earth oxide in rare earth concentrate. The method comprises the steps of: 1. sample preparation; 2. first precipitation; 3. second precipitation; 4. third precipitation; and 5. determination result calculation. The method is easy to grasp and has high result accuracy, can be popularized and applied in production, and is suitable for rapid determination of the content of rare earth oxide in various rare earth concentrates.

The invention relates to a method for measuring hydrogen content in a neodymium, iron, boron and rare earth permanent magnetic alloy material with a thermal conductivity method. A quartz crucible provided with a nickel bag is placed in a hydrogen measuring instrument, a hydrogen peak and a hydrogen result of the nickel bag are measured, a standard sample is placed in the nickel bag, the hydrogen peak and the hydrogen result of the standard sample are measured, the standard sample is continuously measured for more than three times with the method, different measuring values can be obtained, the instrument automatically performs calibration when hydrogen calibration in instrument page calibrations is clicked, a new calibration coefficient can appear at the moment, save is clicked, a to-be-measured sample is weighed and put in the nickel bag, the hydrogen peak and the hydrogen result are measured, the analysis result of hydrogen can be obtained and is compared with standard sample measurement, and the measurement accuracy is high.

The invention relates to a method for measuring tin in tin bronze. The method comprises the following steps of (1) dissolution: weighing a tin bronze test specimen in a beaker; using HNO3 and HCl for dissolving the test specimen; performing dilution by water; (2) precipitate separation: adding an FeCl3 solution in a test specimen; regulating the pH value to be 7.5 to 8.5; performing filtering and precipitation; (3) titration: using HCl for dissolution and precipitation; adding aluminum powder or aluminum foils for reduction; then, adding NaHCO3 solid and acid for reaction to exhaust air; performing heating until the reaction is completed; then, using starch solution as an indicator; performing titration by a potassium iodate standard titration solution till the titration terminal point when the solution becomes purple. The method has the advantages that a great number of interferents are removed through the precipitate separation step; after the separation, the reaction is thorough; the terminal point can be easily observed; the measuring result is stable, accurate and fast; the operation flow process is short; the requirements on the equipment and environment conditions are simple; the measuring cost is low; the use of virulent and environment-pollution reagents is also avoided; the environment pollution is small.