90results about How to "Enrichment" patented technology

The invention provides an enrichment and analysis method for circulating tumor cells. The method mainly comprises the following steps: subjecting a biological fluid sample to red blood cell lysis treatment; adding immune beads specifically bonding with white cells, red cells and / or platelets for incubation; and filtering cell suspension by using a filter membrane and enriching circulating tumor cells. According to the invention, through integration and optimization of CTCs enrichment methods such as red blood cell lysis treatment, an immune bead method and membrane filtration, the enrichment effect of the circulating tumor cells is greatly improved; with the method, the removal rate of leukocytes is greater than 99.9%, and the enrichment rate of tumor cells is greater than 80%. Meanwhile, the invention also provides a kit using the enrichment method for the circulating tumor cells and discloses a device for enrichment of the circulating tumor cells. The invention also provides an analysis method for the enriched circulating tumor cells. With the analysis method, analysis of dynamic changes like the amount of tumor cells, gene mutation and gene expression profiles can be realized.

The invention relates to a singlet state oxygen generation method, and belongs to the technical field of chemical oxygen-iodine lasers. The method comprises the following steps: mixing an alkaline ionic liquid insoluble in water with an aqueous hydrogen peroxide solution to form a two phase transfer system, and reacting the transferred ionic liquid phase with chlorine to generate singlet state oxygen in order to realize water and singlet state oxygen isolation. The method is helpful for reducing the quenching effect of water on singlet state oxygen, and reduces the content of water in the singlet state oxygen, and the alkaline ionic liquid has an enrichment effect on hydrogen peroxide to make effective solving of the bottleneck problem of hydrogen peroxide concentration restriction in the raw material regeneration process of chemical oxygen-iodine lasers under traditional technological conditions be possible, so the method is of great significance to improve the singlet state oxygen yield of the chemical oxygen-iodine lasers, reduce the water content of the singlet state oxygen and solve the raw material regeneration problem.

The invention provides anti-seismic and fireproof steel for a high-strength building structure and a preparation method thereof, and belongs to the field of building steel. The preparation method comprises, 0.04-0.08% of C, 1.0-1.5% of Mn, 0.15-0.60% of Si, 0.2-0.7% of Cr, 0.10-0.60% of Mo, less than or equal to 0.35 of Ti+V+Nb, 0.01-0.05% of Al, 0.1-0.6% of Cu, 0.1-0.6% of Ni, less than or equalto 0.008% of P, less than or equal to 0.002% of S, and the balance iron and inevitable trace chemical elements. Continuous casting is adopted for smelting through a converter or an electric furnace, amedium-thickness plate rolling machine is adopted for rolling, and after rolling is carried out, a steel plate is subjected to heat preservation, quenching and tempering heat treatment processes in an alpha+gamma phase region, and the strength and the yield ratio of a material are controlled by regulating the tissue proportion of bainite, martensite and ferrite; the yield strength is larger thanor equal to 690 MPa, the tensile strength is 850-950 MPa, the elongation at break is larger than or equal to 85%, the percentage elongation after fracture is larger than or equal to 20%, -40 DEG C KV2larger than or equal to 150 J, and the yield strength after heat preservation at 600 DEG C for 3 hours is greater two thirds than the yield strength at room temperature. The preparation method can bewidely applied to high-rise and super-high-rise building steel simultaneously with high-strength, anti-seismic and fireproof requirements and the like.

The invention relates to a fluorescent PCR detection kit for the IDH1 / IDH2 (isocitrate dehydrogenase 1 / isocitrate dehydrogenase 2) gene mutation and application thereof, and particularly provides a nucleotide sequence used for detecting the IDH1 / IDH2 gene mutation, a kit with the nucleotide sequence and the application of the kit to detection of the IDH1 / IDH2 gene mutation. The nucleotide sequence comprises a specific ARMS (Amplification Refractory Mutation System) primer, a general mutation detection TaqMan probe and a nucleic acid amplification retardation primer. The kit can be used for quickly detecting the IDH1 / IDH2 gene mutation with high throughput and at a low cost, is high in sensitivity, good in specificity, low in pollution and quick and safe to operate, can be suitable for high-sensitivity detection of trace mutation in general clinic samples such as fresh frozen tissues and paraffin tissues, especially non-traumatic serums or plasma samples in addition to pathological tissues.

The invention provides a surface enhanced Raman scattering substrate, which comprises a polylactic acid electrostatic spin film and nano metal particles on the surface or in the inner of the polylactic acid electrostatic spin film, wherein the nano metal particles carry positive charges. The surface enhanced Raman scattering substrate has the advantages of high enhancing ability, good repeatability, long storage period, and capability of enriching articles to be detected. The invention also provides a preparation method of the surface enhanced Raman scattering substrate. The preparation method comprises the following steps: (1) dissolving polylactic acid into an organic solvent to obtain a spinning liquid, and using the spinning liquid to carry out electrostatic spinning to obtain a polylactic acid electrostatic spin film; (2) arranging nano metal particles on the surface and in the inner of the obtained polylactic acid electrostatic spin film through a spotting mode so as to obtain the surface enhanced Raman scattering substrate. The preparation method is simple and is suitable for massive production. The prepared surface enhanced Raman scattering substrate can be applied to food analysis, environment analysis, etc.

The invention relates to a preparation method of an adsorption-photocatalysis compound type formaldehyde removing coating, relating to a preparation method of a coating and aiming at solving the problems of low formaldehyde degradation efficiency and incapability of enriching formaldehyde in an existing photocatalysis coating. The preparation method disclosed by the invention comprises the following steps: (1), preparing ACF (Active Carbon Fiber) modified by concentrated nitric acid; (2), mixing butyl titanate, ethanol and acetic acid; (3), mixing ethanol, acetic acid and water, adding urea and iron nitrate nonahydrate crystals, and adjusting pH; (4), preparing TiO2 sol containing iron and nitrogen; (5), preparing ACF loaded with TiO2; (6), preparing TiO2 / ACF compound powder; and (7), mixing the TiO2 / ACF compound powder with the coating. By means of the enrichment action of ACF, the problem of low TiO2 efficiency is solved to a great extent; by means of the catalytic action of TiO2, the saturated regeneration problem of an adsorbent is effectively solved; the characteristics of the ACF and the TiO2 are complementary; the formaldehyde degradation efficiency is greatly improved. The preparation method disclosed by the invention can be used for preparing the adsorption-photocatalysis compound type formaldehyde removing coating.

The invention provides a fluoride-free mold powder for low-carbon steel. The fluoride-free mold powder comprises the following materials by weight percent: 5-10 percent of Na2O, 3-10 percent of MgO, 3-10 percent of MnO, 3-10 percent of B2O3, 6 or less percent of AL2O3, less than 3 percent of Li2O, 1-3 percent of C and the balance of CaO and SiO2, as well as inevitable impurities, wherein the CaO / SiO2 is 0.8-1.3. The fluoride-free mold powder has the melting point of 950 DEG C-1150 DEG C and has the viscosity of 0.1-0.3 Pa*s at 1300 DEG C, and the crystallization rate measured by adopting the crystallizability detection method in the specification ranges from 10 percent to 50 percent. The fluoride-free mold powder can eliminate the adverse effect that the heat-transfer property of boron-containing residues in the using process is remarkably higher than that of traditional fluoride-containing residues, has very good environment protection and equipment corrosion reduction values, and can achieve industrial application in batch on the low-carbon steel slab continuous casting process, and the metallurgical effect completely reaches the standard of traditional fluoride-containing residues.

The invention discloses a tuckahoe extract which is prepared through ethanol extraction and macroporous absorption resin purification. The tuckahoe extract enriches more effective parts. Moreover, a rat memory disorder model test proves that the tuckahoe extract can improve the learning and memory capacity of a model rat, so that the number of errors of the model rat is reduced and the latent period is prolonged.

The invention discloses a primer pair and a probe used for detecting AIDS treatment medicine 3TC and FTC drug-resistance mutation sites, which comprise an ARMS primer and a Taqman probe of mutation sites M184V, M184I, Q151M and K65R at 184th site, 151st site and 65th site of pol gene for detecting HIV-1 virus RNA. The invention also provides the application of the primer pair and the probe on detection of 3TC and FTC main drug-resistance mutation sites M184V, M184I, Q151M and K65R. The kit has the advantages of high detection sensitivity, good specificity, and low detection cost, and provides medicine usage guidance for treating clinic AIDS patient, individuation treatment for AIDS patient can be realized, medicine effectiveness can be increased, AIDS patient living time can be prolonged, and the primer pair and the probe have wide application prospect and social benefit.

The invention discloses a method for production of sulfuric acid by flue gas desulfurization and for sulfuric acid purification and a device thereof. The method comprises the following contents: (1) flue gas undergoes heat exchange and then enters a dedusting quench tower for primary dedusting and cooling process; (2) the flue gas enters a desulfurization tower and successively passes through a deep dedusting unit, a desulfurization unit and a washing unit from the bottom to the top; (3) the obtained overflow rich in an absorption liquid successively passes through a desulfurization unit and a deep dedusting unit and then enters a dedusting quench tower for solid-liquid separation, and the residual gas phase is discharged into the atmosphere; and (4) the absorption liquid separated from solid waste enters an absorption liquid regeneration tower, and enters a sulfuric acid storage tank in the form of dilute sulfuric acid after transition metal cations in the absorption liquid are removed through H<+> in resin. By the method and the device, SO2 in the flue gas can be directly converted into sulfuric acid through oxidation, and a sulfuric acid solution with high concentration is prepared by concentration. The purified flue gas can reach the national or local relevant standards. The method and the device are suitable for recovery processing of flue gas containing various concentrations of sulfur dioxide.

The invention discloses a method for repairing sludge heavy metal by combination of DTPA and ryegrass. According to the method, DTPA of different concentrations serving as chelating agents is combined with the ryegrass and a corn interlayer to improve enrichment of heavy metal on the upper portion of a ryegrass land and to restrain the ability of the sludge heavy metal to move to deep soil in a leaching mode. The corn interlayer comprises 40-60g of vermiculite, 40-80g of zeolite and 40-100g of corncobs. According to the method, sludge and soil mixed substrate serves as culture substrate of the ryegrass, when turfgrass grows to a certain stage, DTPA is used, rainfall and pH of TianJin are simulated for leaching, and the content of the heavy metal in the upper portion of the ryegrass land and in leaching solutions is tested. As is shown in an experiment result, a combination of 10mmol.kg-1 DTPA and the interlayer comprising the corncobs has the best repairing effect on the heavy metal in the sludge, repairing cost is low and pollution to underground water is least.

The invention provides integrated chemical separation equipment, comprising a chemical separation unit configured to separate a plurality of substances in a sample solution, a mixing chamber configured to receive the plurality of substances in the sample solution at different times, a chemical separation and detection controller, and a multi-channel valve configured to direct the plurality of substances in the sample solution to the mixing chamber under the control of the chemical separation and detection controller. The chemical separation and detection controller can introduce nano particles in the mixing chambers to allow each of the plurality of substances to be adsorbed on the nano particles. A Raman scattering spectrometer unit emits a laser beam to illuminate molecules adsorbed on the surfaces of the nano particles and obtains Raman spectra from the plurality of substances.

The invention discloses a composite glassy carbon electrode and a preparation method and an application thereof, and belongs to the field of novel materials. The composite glassy carbon electrode comprises a glassy carbon electrode substrate and a silicon dioxide nano homoporous film which is self-assembled on the surface of the glassy carbon electrode substrate. A reduced graphene oxide layer isformed between the silicon dioxide nano homoporous film and the glassy carbon electrode substrate as an adhesion layer. The composite glassy carbon electrode provided by the invention uses the reducedgraphene oxide as a conductive adhesive layer, the reduced graphene oxide has an acting force with both the glassy carbon electrode substrate and the VMSF, so that the silicon dioxide nano homoporousfilm is stably modified on the glassy carbon electrode substrate. The reduced graphene oxide has an enrichment effect on organic small molecules, and has an electrocatalytic performance. According tothe composite glassy carbon electrode provided by the invention, when detecting electrochemical organic small molecules, the composite glassy carbon electrode has a low detection potential and an overpotential, so that the detection sensitivity is improved.

The invention relates to an improving agent for repairing contaminated soil and a modifying method. The improving agent is obtained through mixing of arbitrary one or more of 1-3 parts of calcium magnesium phosphate fertilizer, 0.5-7 parts of lime and 1.5-12 parts of modified zeolite. The improving agent is mixed with soil, passivation is performed, and planting of Bermuda grass on the soil and other improving methods are adopted to achieve the purpose of contaminated soil repairing. A chemical technology is combined with a plant technology, not only can the soil structure be protected so as to the antimony-contaminated soil in the case of low cost, but also the environment can be beautified.

The invention belongs to the technical field of fermented food, and particularly relates to nutritional supplement enzyme food for diabetic patients and a preparation method thereof. The nutritional supplement enzyme food comprises the following raw material by weight percent: 47 percent of passion flower pulp, 47 percent of kiwi fruit pulp, 3 percent of miracle fruit pulp with peel, 0.8 percent of probiotics leavening agent, 0.2 percent of curdlan, and 2 percent of sterile water, and is prepared through the steps of pulping, mixing, defibrination, irradiation sterilization, feeding leavening agent to perform fermentation and fermenting in different time periods and at different temperature. The nutritional supplement enzyme food contains abundant and comprehensive amino acid, peptide, peptone, vitamins, mineral substance, cellulose and bioactive substance, is low in heat content, and is particularly suitable for being served as daily nutritional supplement food for diabetic patients under the condition that the diabetic patients adopt dieting measures, and has practical significance and positive significance for improving and maintaining the health condition of the diabetic patients.

The invention discloses a method for detecting quinolone antibiotics by an electrochemiluminescence sensor. According to the method, nanogold and Ru(bpy)[3]<2+> are fixed on the surface of a glassy carbon electrode through a Nafion membrane, a Ru(bpy)[3]<2+> complex has an oxidation reaction for oxidizing divalent Ru into trivalent Ru, the generated trivalent Ru is reduced into the divalent Ru by the quinolone antibiotics, and fluorescent light is emitted in the reduction reaction process; the Nafion membrane can generate a static attraction force to ions and especially the hydrophobic organic positive ions can be always preferentially bonded with the Nafion membrane to be fixed in the membrane; the nanogold improves the electrochemical oxidation site of Ru(bpy)[3]<2+>; the Nafion membrane also has an enrichment effect on the quinolone antibiotics in a detected sample, so that the detection sensitivity is greatly improved; the logarithm value of the change of the electrochemiluminescence intensity of a system and the logarithm value of the concentration of the quinolone antibiotics in the system before and after the addition of the quinolone antibiotics form a good linear relationship; the content of the quinolone antibiotics in the detection system can be determined through a standard curve.

The invention relates to a two-dimensional capillary electrophoretic device, in particular to a novel two-dimensional capillary electrophoretic separation device and application thereof. The device can be used for the separation of a protein sample. The device comprises a 2D-CE interface. An immobilized pH gradient capillary monolithic column can be used as a first-dimension separation column of 2D-CE; the outlet end of the monolithic column is connected with one end of the 2D-CE interface through a connecting tube; and the sample inlet end of the monolithic column is arranged in an entrance tank containing alkaline buffer liquid or is connected with an injection pump. A capillary can be used as a second-dimension separation column of 2D-CE; the sample inlet end of the second-dimension separation column is connected with the other end of the 2D-CE interface through a connecting tube; and the outlet end of the second-dimension separation column is arranged in the tank containing the buffer liquid. The 2D-CE interface is arranged in a tank containing acidic buffer liquid. The device can remarkably improve the systematic peak capacity so as to meet the requirements of analyzing a complicated biosample.

The invention discloses a preparation method and application of a Pd-Ru catalyst with a mesoporous structure. The preparation method is characterized by including the steps of firstly, allowing hydroquinone to have reaction with allyl halohydrocarbon to obtain p-triallyloxy benzene; secondly, allowing the p-triallyloxy benzene, divinyl benzene and 4-vinyl benzoic acid to polymerize in a mixed solvent of ethers and water to obtain TriAllB-DVB-VBA; in an ether solvent, mixing the TriAllB-DVB-VBA with Pd(OAc)2 and RuCl3.6H2O, stirring at room temperature, and adding KBH4 for reduction to obtain the catalyst TriAllB-DVB-VBA@Pd-Ru. The catalyst prepared by the preparation method has good catalytic activity and reusability in a preparation method using the catalytic hydrogenation of 6-benzyl-5, 7-dioxo-pyrrolo [3, 4, b] pyridine to prepare 8-benzyl-7, 9-dioxo-2, 8-diazabicyclo [4, 3, 0]-1-alkenyl nonane.

The invention discloses an integrated circulating-storing-collecting-distributing energy pile, which mainly comprises energy blocks, primary circulating cabinets, energy pile boxes, etc. The energy blocks are integrated and stored in the primary circulating cabinets in a charging station; the primary circulating cabinets are integrated to the energy pile boxes, changed in the charging station and then transported to a power exchanging station to exchange the primary circulating cabinets or the energy pile boxes with the power exchanging station; the exchanged energy pile boxes are transported back to the charging station to add energies; therefore, the energy pile boxes are circulated. The energy blocks loaded by the primary circulating cabinets of the power exchanging station are mutually exchanged with the energy blocks in the required vehicles of users; and the primary circulating cabinets after mutually exchanging the energy blocks are circulated. The integrated circulating-storing-collecting-distributing energy pile can be adopted to exchange energies for the required vehicles in 2-3 minutes under the premise of not damaging the service life, and can enrich the separated or waste energies in an energy adding station. The integrated circulating-storing-collecting-distributing energy pile is used for quickly replacing power energies for the required vehicles such as electric automobiles, electric bicycles, etc.

The invention discloses immobilized laccase and an application of the immobilized laccase in methylene blue decoloration. The immobilized laccase takes a composite prepared through coating of the surface of a carboxylic carbon nanotube with polymethyl methacrylate as a carrier and glutaraldehyde as a binding agent, and laccase is immobilized on the carboxylic carbon nanotube coated with polymethylmethacrylate with a covalent binding method. The carrier adopted in the immobilized laccase is the carboxylic carbon nanotube coated with polymethyl methacrylate, so that the laccase load rate is high, the adsorption and decomposition functions can be played simultaneously to perform efficient decoloration on methylene blue, the decoloration rate can be up to 95%-97% and still exceeds 83% after the immobilized laccase is repeatedly used 10 times, and the immobilized laccase has the advantages of stable physical and chemical properties, high laccase load rate, high repeated utilization rate, efficient treatment and the like.

The invention relates to a special low-smell non-phenol calcium zinc stabilizer for a floor and a preparation method thereof, and belongs to the technical field of heat stabilizers for polyvinyl chloride. The heat stabilizer comprises the following raw materials in percentage by mass: 20-45% of main stabilizer, 22-32% of plasticizer, 3-8% of antioxidant, 5-10% of graphene, 4-9% of lubricating agent, and 5-10% of additive. According to the heat stabilizer, boron nitride graphene is added to the formula, and the high specific surface area enables the enriching effect, so that the heat stabilizercan be greatly used in an ultra-permeable polyvinyl chloride product. The special low-smell non-phenol calcium zinc stabilizer for the floor is high in heat stabilizing performance, processing performance and flame retarding performance; and the heat stabilizing time reaches that of domestic and overseas like products.

The invention discloses a cell membrane chromatographic column for identifying a microscale target component in a complex sample and a preparation method thereof, and an identification method of the target component. The cell membrane chromatographic column (identification column for short) for identifying the microscale target component in the complex sample is filled with a cell membrane chromatographic stationary phase for expression of specific receptors. Screening specificity of the target component in the complex sample can be enhanced, and it is of great significance for enhancing screening efficiency and expounding mechanism of action. According to the identification method, by specific identification of the target component in the complex sample through the identification column and by online enrichment of the microscale target component through an enriching column, separation and identification are further carried out by high performance liquid chromatography-mass spectrometry. The method of the invention has the characteristics of efficient identification and online enrichment of the microscale target component in the complex sample, can help enhance analysis efficiency, raise sensitivity for analysis and realize high-efficiency screening of the target component in the complex sample.

The invention discloses an establishment method and application of a genome scar model, and the establishment method comprises the following steps: (1) collecting known positive samples and negative samples to form a training set; (2) analyzing the conditions of the CNVs in the training set, and determining the types of the CNVs and the corresponding number of the CNVs; (3) determining a BRCAccesspositive event and a BRCAccess negative event; and (4) training to obtain the weights of the different types of CNVs determined in the step (2) through a machine learning method according to a BRCAness positive event and a BRCAness negative event in the training set, and then accumulating the weights of the different types of CNVs to obtain a genome scar model for calculating the GSS. According to the invention, the BRCAness state of the sample to be detected can be accurately predicted, and an interpretation result can be directly given according to the genome scar score.

The invention belongs to the technical field of material chemistry, and particularly relates to an HAP (hydroxyapatite) nano probe for detecting heavy metal ions in water and a method for preparing the HAP nano probe. The method includes: using a simple and quick one-step synthetic method to dilute saturated fluorescein solution with deionized water, well mixing, adding HAP nano strip combined balls, well stirring for 12 hours, and hermetically storing the obtained turbid liquid to obtain the HAP nano probe for detecting heavy metal ions in water. The method for preparing the HAP nano probe is simple, low in cost and widely applicable to detection of heavy metal ions in sewage and has the advantages of small usage, wide detection range, low detection limit and the like, and the turbid liquid can be hermetically stored for a long time.

The invention discloses a detection method for malachite green in aquatic products. The detection method comprises experiment steps of preparing a magnetic molecularly imprinted polymer, establishinga method based on an aptamer and ferroferric oxide mimic enzyme catalysis and the like. According to the detection method, firstly, a dopamine polymerization method is used for preparing a malachite green (MG) magnetic molecularly imprinted polymer (MG-MMIPs); trace MG in a sample is adsorbed by utilizing the MG-MMIPs, so that the aims of enriching a target object and removing a complicated mediumare realized; then after enriched MG is desorbed, a detection method of the aptamer and ferroferric oxide mimic enzyme catalysis is used for detecting. The method has the sensitivity of 5 nmol L<-1>and the lowest detection limit reaches 3.6 nmol L<-1>. A specific experiment aiming at two structural analogues (including brilliant green and crystal violet) of MG and other bacteriostatic drugs (including sulfaguanidine, sulphanilamide, oxytetracycline hydrochloride and chloramphenicol) shows that the method has good selectivity in MG detection.

The invention relates to a method for immobilization of metal iridium complexes with silicon nanoparticles being coated on an electrode, belongs to the electrochemiluminescence detection field, aims to immobilize water-insoluble metal iridium complexes on an electrode surface and achieves direct detection of coreactants. Organic silicon nanoparticles loaded with oil-soluble metal metal iridium complexes di(2-phenychinoline)(acetylacetone) iridium((pq)2Ir(acac)) are prepared by a positive phase microemulsion method. A micro emulsion system is di(2-ethylhexyl) succinic acid ester sodium sulfonate (AOT) / n-butyl alcohol (n-BuOH) / water. A solution of (pq)2Ir(acac) is added in the micro emulsion system. Then organic silicon monomers are added. Finally alkali is added as catalysts and organic silicon nanoparticles loaded with metal metal iridium complexes are synthesized. The scanning electron microscope results show that the synthesized organic silicon nanoparticles are monodisperse and spherical. The fluorescence spectra shows that the fluorescence properties of metal iridium complexes loaded in the organic silicon nanoparticles do not change. The synthesized silicon nanoparticles are dropped and painted on the surface of a glassy carbon electrode, and a solid-phase electrochemiluminescence electrode is prepared. The electrode has high sensitivity and measurement reproducibility to a typical coreactant di(2-butyl) ethanolamine (DBAE).

The invention belongs to the field of sewage treatment, and particularly relates to a double-layer carbon source microsphere with a function for advanced treatment of low C / N ratio domestic sewage andpreparation and application of the double-layer carbon source microsphere, in particular to a double-layer microsphere built by gelatin and sodium alginate. A macromolecule carbon source is embeddedwith an inner layer of the microsphere, and a microsphere carbon source is embedded with an outer layer of the microsphere. When the low C / N ratio domestic sewage is deeply treated, a certain amount of the microspheres are directly put into the domestic sewage. The preparation method of the double-layer carbon source microsphere is simple, reaction conditions are mild, and used carrier materials are degradable materials. The microspheres are directly put into the domestic sewage, the carbon sources are released, the appropriate carbon sources can be provided to enable biological denitrification to be carried out normally, pollutants cannot be introduced, the carrier materials can naturally degrade after treatment, and secondary pollution cannot be caused to the environment.

An all cotton fabric dyeing process with high fixation performance mainly includes the following steps of pretreating, singeing and mercerizing, pigment dyeing, pigment printing, shaping and preshrinking, washing and drying, wherein an adhesive used for pigment used in pigment dyeing and pigment printing is water soluble butyl acrylate and acrylamide copolymer modified by epoxy resin, and the concentration of the copolymer is 20-30 g / L. The dyeing temperature of the pigment is controlled to be 60-70 DEG C, the pH value is 7.0-8.0, the time is 1-2 h, and the bath ratio is 1:25; all cotton fabric is dried after dyeing and then baked for 3-5 min at the temperature of 150 DEG C. The water soluble butyl acrylate and acrylamide copolymer modified by epoxy resin is used as the pigment adhesive, color fastness of the fabric is improved, water consumption is reduced by means of the washing process with cold water and hot water alternating, and sewage discharge amount is reduced.

Video streams, control programs, and an index table are recorded in a recording medium. The video streams include a progressive-picture video stream and an interlaced-picture video stream, and the frame rates for the video stream constructed from progressive pictures include a mandatory rate and an optional rate. The index table indicates the association between a plurality of titles and the control programs. A control program associated with a first play title and top menu title from among the titles excludes, from a reproduction target, a reproduction route with which pictures are progressive pictures and the frame rate is the optional frame rate, and instructs reproduction by way of a different reproduction route.

The invention belongs to the technical field of environment chemicals, and particularly relates to a quenching type fluorescent probe for quickly detecting heavy metal ions. The quenching type fluorescent probe is characterized in that carbon dots and base type calcium phosphate nanometer sheets are used as main raw materials to prepare the base type calcium phosphate / carbon dot nanometer composite quenching type fluorescent probe for detecting the heavy metal ions in water. The quenching type fluorescent probe has the advantages that the preparation method is simple, the cost is lower, and the heavy metal ions in the sewage can be simply and quickly detected.