79results about How to "Optimized formula" patented technology

The invention relates to the technical field of real-time prediction of three-dimensional forms, in particular to a real-time dynamic prediction system and method for the three-dimensional form of a high-pressure jet grouting pile. The method comprises the following steps: carrying out stratum characteristic identification on a construction site to obtain stratum distribution data; key monitoring point positions are determined according to the stratum distribution data, and a multi-source sensor monitoring network is established; carrying out anti-interference optimization processing on the multi-source sensor monitoring network, and carrying out real-time acquisition on high-pressure jet grouting parameters to obtain real-time high-pressure jet grouting data; and spatio-temporal evolution processing based on injection pressure, lifting speed and rotating speed is conducted on the real-time high-pressure jet grouting data, and parameter change characteristic data are generated. According to the method, the construction stratum distribution and the high-pressure jet grouting parameters are obtained and analyzed in real time, the parameter-stratum response relation model is established, grout diffusion and pile body forming dynamic prediction are conducted on different stratum characteristics in a targeted mode, and the precise construction capacity under the complex stratum condition is greatly improved.

The invention belongs to the field of cosmetic detection, and discloses a cosmetic and cosmetic raw material sunscreen function evaluation method and application. According to the evaluation method, a sunscreen effect test is carried out on a test sample by using a non-contact administration device, wherein the test sample is a cosmetic finished product or a diluted cosmetic raw material; the test comprises evaluation of in-vitro sunscreen effect by skin cells, evaluation of in-vivo sunscreen effect by a zebra fish embryo model and result evaluation. According to the method, the sunburn-resistant effect is evaluated through expression of beta-galactosidase in human dermal fibroblasts and / or secretion of collagen, the sunburn-resistant effect is evaluated through the survival rate of human keratinocytes, the DNA damage condition or inflammatory factor secretion and the lethal / teratogenic condition of zebra fish embryos, and multi-layer and all-around sunburn-resistant effect evaluation is achieved. The method provided by the invention is suitable for evaluating the sunscreen function of various sunscreen products, has accuracy and practicability, and provides an important technical basis for research and development, quality control and performance optimization of sunscreen cosmetics.

The invention discloses a negative electrode slurry cracking reduction method, which specifically comprises the following steps: S1, negative electrode slurry formula improvement: on the basis of original raw materials of negative electrode slurry: graphite, a conductive agent, a thickening agent, a binder and deionized water, adding a specific additive-N-methyl pyrrolidone accounting for 0.5% of the total weight of the raw materials; the invention relates to the technical field of battery manufacturing. According to the method for reducing the cracking of the negative electrode slurry, coating cracking is remarkably reduced: by adding NMP in a specific proportion, the problem of coating cracking of the negative electrode slurry is effectively improved, and the yield and quality of a negative electrode plate are improved; the cracking-free negative plate can maintain better structure and performance stability, and is beneficial to improving the overall performance and prolonging the service life of the lithium ion battery; the rejection rate and the rework rate caused by cracking are reduced, and the production cost and resource waste are reduced; nMP is used as a common solvent and is widely applied to the battery manufacturing industry.

The invention relates to the technical field of building materials, and discloses portland cement-based multi-component concrete and a preparation method thereof.The portland cement-based multi-component concrete is formed by mixing portland cement serving as a base material and fly ash, fiber materials and the like serving as auxiliary materials, and aluminum silicate fibers are modified by using a polymeric macromolecular modifier, so that the strength of the portland cement-based multi-component concrete is improved; the surface of the aluminum silicate fiber is coated with a large number of polymeric macromolecular modifier molecular chains, the whole prepared fiber material is of a micro-dendritic three-dimensional structure, when the fiber material is mixed with cement and other base materials, the micro-dendritic three-dimensional structure can extend to all areas of a cement matrix to form a mortise and tenon joint type structure, and the strength of the fiber material is improved. Therefore, the self-reinforcing effect is efficiently exerted, and the mechanical strength, the crack resistance and the like of the concrete are improved.

The invention discloses a traditional Chinese medicine plant combination anti-hair loss and hair growth formula optimization method based on a neural network algorithm, and the method comprises the following steps: S1, collecting hair health data of a user, and building a personalized health file; s2, based on the health record, analyzing the physiological and psychological states of the user in real time, and establishing an emotion-hair growth feedback mechanism to evaluate the risk of alopecia; s3, analyzing the health archive by using a deep neural network, predicting an alopecia trend and generating a personalized alopecia prevention and hair growth scheme; s4, matching optimal plant components and proportions through a neural network optimization model, and dynamically adjusting a pharmacodynamic model; s5, adaptively adjusting the plant formula proportion through a quantum neural adaptability learning mechanism; s6, simulating different formula effects through the virtual test platform, optimizing the formula and feeding back to the health file; and S7, forming a closed-loop feedback mechanism through continuous user feedback and physiological monitoring results, and regularly optimizing the formula. Through personalized analysis and dynamic adjustment, an accurate anti-hair loss and hair growth solution is provided.

The invention relates to a plugging layer three-hole three-seepage well circumference effective stress calculation method and system, and the method comprises the steps: collecting a reservoir rock core, and obtaining rock matrix mechanical characteristic parameters through triaxial compression; the method comprises the following steps: collecting a reservoir core and on-site drilling fluid, firstly, obtaining physical and chemical parameters of interaction between a rock aperture and the drilling fluid through a pressure transfer experiment, then, testing physical and chemical parameters of interaction between a rock fracture fluid and the drilling fluid, and finally, testing physical and chemical parameters of an effective plugging layer formed by the drilling fluid and rock; establishing a three-hole three-permeability model considering a rock matrix field control equation, a rock fracture field control equation and a plugging layer field control equation; and calculating and considering the effective stress around the three-hole three-seepage well of the plugging layer. According to the method, the influence of fluid seepage and solute diffusion rules in the drilling fluid plugging layer on the well circumference stress distribution rule can be effectively analyzed, the formation collapse pressure and fracture pressure can be further calculated in combination with the strength criterion, and the drilling fluid density design is guided.

The invention relates to the technical field of lubricating oil analysis, in particular to a method and system for quantitative analysis of a lubricating oil additive. The method comprises the following steps: acquiring base oil data and lubricating oil additive data; performing mixed oil treatment based on the base oil data and the lubricating oil additive data to generate mixed lubricating oil additive data; performing mixed oil concentration detection on the mixed lubricating oil additive data to generate mixed oil concentration detection data; performing chromatographic column selection on the mixed lubricating oil additive data based on the mixed oil concentration detection data to generate chromatographic column selection data; and performing boiling point heating on the chromatographic column selection data to obtain mixed oil boiling point heating data. By optimizing data acquisition, chromatographic separation, component identification and quantitative analysis as well as result analysis and visualization, the accuracy of quantitative analysis of the lubricating oil additive is improved.

The invention discloses an alloy die-casting flowability die capable of testing high-vacuum different wall thicknesses. The die comprises a fixed die, a movable die and a die holder. Wherein the movable mold is provided with a cavity, and the cavity comprises an overflow groove, three flowability samples with different thicknesses, a material cake, a vacuum test groove, a shunting hole and an ESCs collector. In order to avoid turbulent air entrapment caused by a large corner and ensure that the tail end is communicated with the exhaust thin plate, the flowability channel is designed to be annular, the corner angle of the die is smooth and smooth, and shrinkage porosity, shrinkage cavity and air entrapment almost do not exist through intelligent casting super-cloud die flow analysis, so that the flowability of the alloy can be correctly reflected. In addition, the mold can also be used for testing the flowability of alloys with different thicknesses, and the flowing stopping length of the sample serves as the basis for judging the flowability. In conclusion, the flowability of the alloy under different wall thicknesses can be tested at the same time in the high-vacuum die-casting state, and the flowability of the alloy can be correctly reflected.

The invention discloses a method and a device for rapidly and intelligently testing the water absorption rate of concrete. The device is mainly composed of a display screen, a test grid, a test box cover plate, a test box, a stainless steel mesh, a temperature sensor, an infrared distance measuring sensor, a pressurizing hole, a water injection hole, a temperature control device, a pressurizing device, a computer host and a water storage device. And the water absorption rate of the concrete can be tested under the pressure of 0-2MPa and the water temperature of 0-80 DEG C. The test piece can be a cube with the size of 100 mm * 100 mm * 100 mm or a cylinder with the size of phi 100 mm * 100 mm. The device has the characteristics of controllable and adjustable pressure and temperature, automatic measurement of liquid level change, real-time display of water absorption and synchronous implementation of multiple groups of tests, and the accuracy, reliability and automation degree of concrete water absorption testing are remarkably improved.

The invention discloses a skin care product anti-aging effect multi-dimensional comprehensive detection system, which comprises an in-vitro cell model experiment module for detecting indexes such as cell activity, proliferation, migration, apoptosis and antioxidant enzyme activity by simulating natural aging and light aging conditions; the content change of skin structure components such as collagen, elastic fibers and laminin is quantitatively analyzed, the DNA damage repair capacity is reflected by measuring the expression quantity of gammaH2AX, epigenetics research is developed, and the methylation state change of a CpG island is monitored; and the tissue engineering and three-dimensional skin model experiment module is used for performing morphological observation, biochemical index detection and skin physiological parameter evaluation under the condition of simulating a real skin environment by utilizing an artificial skin model. The whole process from the in-vitro cell model to the clinical human body test is covered, and the actual efficiency of the skin care product for delaying or improving the skin aging process can be accurately and objectively evaluated through multi-angle and multi-level data integration analysis.

The invention relates to the technical field of composite material modification, and discloses a flame-retardant epoxy resin composite material with a low candlewick effect and a preparation method thereof.The flame-retardant epoxy resin composite material is prepared by mixing flame-retardant modified glass fibers and a resin component according to the mass ratio of 7.5-8: 2-2.5; the resin component comprises the following raw materials in parts by mass: 90.4-97.4 parts of epoxy resin, 0.6 part of a curing agent, 2 parts of a release agent and 0-7 parts of a flame retardant; the flame-retardant modified glass fiber is obtained by sequentially carrying out amination modification and flame-retardant modification on glass fiber. The glass fiber is subjected to amination modification and then subjected to flame retardant modification, a flame retardant DOPO-PH is applied to modification of the glass fiber for the first time, and DOPO-PH can be self-crosslinked to form carbon at a relatively low temperature and is crosslinked with pyrolysis micromolecules of a polymer material at a high temperature to generate a carbon layer with high thermal stability; the glass fiber material modified by the technical scheme has a good candlewick effect inhibiting effect, the use amount of the flame retardant can be further reduced, the production efficiency is improved, and the mechanical property is kept.

The invention discloses a low-temperature fracturing fluid evaluation method and device, and belongs to the technical field of hydraulic fracturing in oil exploitation, and the method comprises the following steps: step 1, after various components and proportions of fracturing fluid are prepared, the fracturing fluid for experiments is formed under the action of a stirring motor in a fluid preparation tank; 2, the fracturing fluid is input into a double-layer full-visual fracturing fluid conveying pipe under the hydraulic action of a screw pump, and under the action of low-temperature circulating cooling liquid of the double-layer full-visual fracturing fluid conveying pipe and the action of pipe wall friction resistance and the like, the pressure difference, fluid dynamic viscosity and other characteristics of the fracturing fluid can be changed; 3, the fracturing fluid enters a filter, a solid phase is filtered out, and the mass ratio of all the components is researched. The invention further discloses a low-temperature fracturing fluid evaluation device. According to the technical scheme, a reliable basis is provided for fracturing construction design.

The invention discloses high-dosage rubber powder modified asphalt and a preparation method thereof, and the rubber powder modified asphalt is prepared by adding 22-30 parts by weight of modified rubber powder into 100 parts by weight of road petroleum asphalt, the modified rubber powder is prepared from the following components in parts by weight: 85 to 95 parts of common rubber powder, 3 to 6 parts of phenolic resin, 0.6 to 1.2 parts of microcrystalline wax, 2 to 5 parts of naphthenic oil, 0.2 to 0.6 part of antioxidant and 0.2 to 0.6 part of EVA (Ethylene Vinyl Acetate). The preparation method comprises the following steps: (1) preparing the modified rubber powder; and (2) preparing the modified asphalt cement. According to the invention, co-melting and blending of the rubber powder and the asphalt are improved, the mixing amount of the rubber powder in the rubber asphalt can be obviously increased, the pavement and durability are greatly improved, the production cost and environmental pollution of the asphalt mixture are effectively reduced, and the asphalt mixture has economic and social double benefits, is simple in preparation process and has relatively high practical application value.

The invention relates to the technical field of offshore wind power generation, in particular to an aluminum alloy core salt-fog-resistant cable for offshore wind power generation and a using method thereof.The aluminum alloy core salt-fog-resistant cable comprises a light wrapping type isolation layer, an aluminum alloy flexible conductor is installed in the light wrapping type isolation layer, and ethylene propylene diene monomer insulation is installed on the outer side of the light wrapping type isolation layer; a salt-fog-resistant and high-tear-resistant chlorinated polyethylene sheath is mounted on the outer side of the ethylene propylene diene monomer insulation layer; the aluminum alloy flexible conductor is a conductor and is prepared by adding a carbon fiber component into a fifth aluminum alloy flexible structure, and the specific formula comprises 97.5% of aluminum, 0.6% of magnesium, 0.53% of silicon, 0.3% of iron, 0.05% of copper, 0.02% of zinc and 1.0% of short carbon fibers; according to the invention, the cable has excellent flame-retardant performance, can meet a single-wire combustion test, is light in weight and low in cost, the cost of the cable is 40-60% lower than that of a cable adopting a conventional tinned copper conductor structure, the cable is light in weight and convenient to lay, and the construction cost can be greatly saved.

The invention relates to the technical field of building material detection, and specifically discloses a concrete anti-permeability detection method. By preparing concrete specimens of standard size and combining pretreatment, permeability test and anti-permeability evaluation methods, the water penetration resistance of concrete under different conditions is systematically analyzed; concrete specimens of 150mm×150mm×150mm are prepared, and the permeability performance of each specimen is comprehensively evaluated by measuring the permeability coefficient and the penetration depth; on this basis, a permeability coefficient factor and a penetration depth factor are introduced, and an anti-permeability performance score is obtained through statistical analysis to determine whether the anti-permeability performance of the concrete specimen is normal; further, the anti-permeability performance under different temperature conditions is evaluated, and it is found that abnormal anti-permeability performance may exist under a specific temperature sub-range; and the anti-permeability performance of the concrete specimen is optimized by adjusting the batching ratio of concrete.

This invention discloses a method for establishing the relationship between the carbonization performance and carbonization structure of low-carbon clinker, comprising the following steps: 1) determining the optimal water-cement ratio w / c and the corresponding molding amount c of the low-carbon clinker using a pressing molding method; 2) performing pressing molding, drying, carbonization curing, and measuring the compressive strength σ of the obtained carbonization product based on the determined w / c and c. c and carbon fixation rate r c 3) Calculate the volume percentage W of CaCO3 formed after carbonization. VCaCO3 The volume percentage of the remaining low-carbon clinker W Vc Then calculate the total volume ratio W between the two. 总 ;4) Establish compressive strength σ c Percentage of total volume W 总 The present invention establishes a stoichiometric relationship between the carbonization performance and carbonization structure of low-carbon clinker. This relationship directly reflects the carbonization performance of low-carbon clinker and can be used to guide the efficient application of different types of low-carbon clinker, making it suitable for widespread application.

The invention belongs to the technical field of makeup effect image data processing, and relates to a makeup effect image data processing system based on an AI technology. By analyzing the similarity between the initial face image of each specified user and each reference initial face image, individuation and customization of a makeup scheme can be ensured, the satisfaction degree of the user and the naturalness degree of the makeup effect are improved, the selection process is simplified, and the user experience is improved. By analyzing the makeup evaluation index of each recommended makeup simulation face image of each specified user, objective and accurate makeup effect evaluation can be provided, the accuracy of a recommended makeup scheme is verified, a personalized makeup recommendation algorithm can be optimized, the recommendation accuracy is improved, and the user experience is improved. By analyzing the makeup favorite degree evaluation index of each recommended makeup simulation face image of each specified user, the preference degree and expectation of the user on the makeup product are accurately known, and the satisfaction degree and loyalty of the user are improved.

The application discloses a kind of carbon dioxide geological storage in situ condition wellbore sealing evaluation device and method, including corrosion wellbore test module, carbon dioxide displacement module, gas channeling simulation module, wellbore temperature and pressure control module and formation temperature and pressure control module, corrosion wellbore test module includes wellbore combination and test shell, wellbore combination is worn in test shell, and the top end between wellbore combination and the top end of test shell and the bottom end between wellbore combination and the bottom end of test shell form closed cavity, the top end of test shell is equipped with gas flowmeter, and test shell is sequentially provided with confining pressure bin and heating bin along the radial direction away from wellbore combination, the lithology-temperature-pressure-carbonic acid environment in the carbon dioxide geological storage process can be simulated by the application, the sealing capacity under the in situ service condition of evaluation wellbore is realized, to play the purpose of optimizing cement slurry formulation, optimizing casing material, reducing carbon dioxide leakage risk.

The invention provides a comprehensive performance evaluation method and system for a roadway spraying material and electronic equipment. The method comprises the steps that the type of the spraying material is determined; establishing a comprehensive performance evaluation model of the spraying material; testing various properties of the spraying material to obtain actual performance data of the various properties; according to the comprehensive performance evaluation model, processing and analyzing the actual performance data of each performance, and identifying the bottleneck of the material performance; the formula and the construction process of the spraying material are optimized; according to the method, the comprehensive performance evaluation model is established, the multi-aspect characteristics of the spraying material in the complex environment of the underground coal mine can be comprehensively investigated, the evaluation result is more comprehensive and accurate, and a reasonable evaluation standard is set according to the specific working environment, so that the performance of the material in practical application is better reflected; through comprehensive performance evaluation on the spraying material, potential risk points can be identified in advance, and the problems of material failure and the like in actual construction are avoided. Meanwhile, the optimized material can reduce the construction difficulty and the maintenance cost and improve the economic benefit on the premise of ensuring the supporting effect.

The application relates to an electrostatic powder spraying process and relates to the field of surface coating processes. The electrostatic powder spraying process comprises the steps of aluminum material pretreatment, aluminum material surface treatment, aluminum material suspension, electrostatic spraying, solidification and unloading detection, and raw material powder comprises thermosetting epoxy resin, polyurethane resin, a curing agent, a dispersing agent, pigments, graphene oxide and precipitated barium sulfate. The application has the effect of improving the adhesion of the powder coating and the aluminum material.

The invention relates to a composition for regulating intestinal flora as well as a preparation method and application of the composition. The composition is prepared from the following raw materials: fried rhizoma atractylodis, pericarpium citri reticulatae, honey-fried licorice root, cortex magnoliae officinalis (processed with ginger), polyporus umbellatus, poria cocos (peeled), fried rhizoma atractylodis macrocephalae, rhizoma alismatis, cortex cinnamomi, rhizoma zingiberis and fructus mume. Through the synergistic effect of the raw materials, the effects of resisting inflammation, resisting oxidation, regulating intestinal flora, improving intestinal immunity, protecting intestinal barriers and the like are achieved.

The invention discloses coix straw hydrolysate and a method for culturing oleaginous yeast under a non-sterile condition by using the coix straw hydrolysate. The method comprises the following steps: S1, washing and descaling coix straw powder, and drying to constant weight; s2, adding a NaOH aqueous solution or a sulfuric acid solution into the coix straw powder, and heating; s3, after cooling to room temperature, filtering and separating to obtain coix lacryma-jobi residues; and S4, adding deionized water into the coix lacryma-jobi residues dried to constant weight for redissolving, adjusting the pH value to 4.5-5.5, and adding cellulase and bovine serum albumin or cellulase and PEG10000 for enzymolysis. The cyclic application of the coix straws in the non-sterile state provided by the invention not only provides a suitable substrate for yeast biosynthesis, but also realizes high-value utilization of the coix straws.

The invention discloses an application of cordycepin (Cordycepin, Cor) in the aspect of improving the development potential of an in-vitro early embryo. The inventor finds that Cor with a proper concentration is added into a culture medium in the in-vitro maturation process of the porcine oocytes, the Cor can promote in-vitro maturation of the porcine oocytes and improve the quality of the oocytes, and the Cor has a promoting effect on the development potential of early embryos after parthenogenetic activation. Therefore, the inventor constructs a porcine oocyte and early embryo in-vitro culture system, optimizes an in-vitro maturation culture solution formula and a Cor concentration, and further establishes a method for improving the development potential of the in-vitro early embryo, that is, the porcine oocyte is subjected to in-vitro maturation culture, parthenogenetic activation and early embryo in-vitro culture; in-vitro maturation culture liquid containing cordycepin is adopted in the in-vitro maturation culture of the porcine oocytes. In a word, the invention provides a research basis for developing a safe and effective natural small molecule medicament capable of being used for improving the reproductive performance of the sow, provides a reference for in-vitro mass production of high-quality livestock embryos, and has important practical significance in the fields of IVM and IVC.

This application relates to a simulation method and system for spring damping characteristics. The simulation method includes: establishing a damper simulation model, the simulation model containing variable preliminary performance parameters of internal components; monitoring and accumulating aging physical quantities of the internal components of the damper during the simulation model's operation; periodically correcting the preliminary performance parameters of the corresponding internal components in the simulation model based on the aging physical quantities, and recording these as corrected performance parameters; predicting the performance of the damper at different aging stages based on the corrected performance parameters, and outputting the state information of the internal components of the damper. This application, by incorporating physical quantities from the actual aging process into the simulation loop and dynamically adjusting the model parameters, provides a more realistic prediction of damper performance, enabling accurate assessment of the damper's performance consistency throughout its entire lifespan from the initial design stage.

The invention relates to the technical field of culture, in particular to a microecological preparation and a method for applying the microecological preparation to industrial culture of penaeus vannamei boone, and the method comprises the following steps: step S1, separation, identification and safety analysis of intestinal tract or healthy culture water strains of penaeus vannamei boone; and S2, influence of the strain on the growth performance of the penaeus vannamei. According to the method, strains are screened and separated from intestinal tracts and culture water bodies of the penaeus vannamei, the safety of the strains is analyzed, the influence of the screened strains on the growth performance of the penaeus vannamei is evaluated by applying different types and numbers of strains and planting modes in the culture process, and the microecological preparation is developed by optimizing a thallus formula and a production process; the method is applied to industrial aquaculture of the penaeus vannamei and realizes green and healthy aquaculture of the penaeus vannamei.

The invention belongs to the technical field of building materials, and particularly relates to a high-strength corrosion-resistant ecological ceramic plate which comprises the following raw materials: 80-85 parts of pottery clay powder, 2-5 parts of smelted iron ore tailings, 5-8 parts of alkali-resistant glass fibers, 2-5 parts of sludge, 1-2 parts of clay powder and 0.2-0.4 part of a plasticizer. The invention further discloses a preparation process of the ceramic plate, in the preparation process, the drying process, the sintering process and the cooling process all adopt a stepped temperature mode, the characteristics of a green body can be combined, and the quality defects such as cracks and bending of the prepared pottery clay are reduced. On the basis that the cost is not increased, raw material optimization and a preparation process are innovated, and the strength and corrosion resistance of the ceramic plate are remarkably improved.

This invention discloses a xenogeneic-free culture method for hiPSCs and its quality monitoring method. The xenogeneic-free culture method includes the following steps: hiPSC cells are seeded into the wells of a culture plate coated with VTN-N matrix gel, and cultured for the first stage using E8 complete medium containing 5-15 µM Y-27632. After 20-30 h of culture, the medium is replaced with conventional E8 complete medium without Y-27632 for the second stage of culture, until the cell confluence reaches 60%-80%. This xenogeneic-free culture method ensures efficient cell expansion under conditions with clearly defined chemical composition. This method further optimizes the seeding density and culture period of hiPSCs, controls cell passage at 60%-80% confluence, and significantly reduces the risk of spontaneous differentiation by limiting the maximum culture time and upper limit of confluence.

The invention provides a method for predicting a risk level of diarrhea of a weaned piglet. The method comprises the following steps: step S1, acquiring diarrhea data of the weaned piglet; the weaned piglet diarrhea data comprises independent variables and dependent variables; the independent variables comprise a piglet source field, a test field, a test start day age, a weaning day age, the number of pigs in each pigsty, an initial average weight, a crude protein level, an NE level, SID Lly, a temperature range and pig transportation time; the dependent variable is diarrhea rate; s2, training a plurality of machine learning models based on the weaned piglet diarrhea data; and S3, evaluating the plurality of trained machine learning models, and selecting the optimal machine learning model to predict the diarrhea risk level of the weaned piglets. By identifying and evaluating different diarrhea risk levels of the weaned piglets, a pig producer can better manage pig herds, optimize the feeding environment, adjust the feed formula and implement targeted health management measures, so that the diarrhea rate risk of the weaned piglets is effectively reduced.

The invention relates to the technical field of adhesives, and discloses a water-based formaldehyde-free adhesive. Comprising the following raw materials in parts by weight: 4-6% of polyvinyl alcohol, 3-6% of silica sol, 0.2% of ethylene glycol, 1% of glutinous rice flour, 5-8% of water-soluble starch, 2% of glass fiber powder, 0.2% of starch ether, 0.2-0.3% of a slow drying agent, 0.2% of a preservative, 0.3% of a mildew preventive, 0.1% of a defoaming agent, 0.2% of a penetrant, 0.1% of a diluent, 8-10% of malt syrup, 0.3% of AMP-95 and 0-2% of pure wood fibers. According to the water-based formaldehyde-free adhesive and the preparation method thereof, the water-based formaldehyde-free adhesive adopts non-toxic and harmless raw materials, use of harmful substances such as formaldehyde is avoided, aldehydes are not generated in the preparation and use process, harm to the environment and human bodies is effectively reduced, the environment-friendly standard is met, the requirement of people for healthy life is met, and meanwhile, the water-based formaldehyde-free adhesive has the advantages of being environmentally friendly, safe and reliable. According to the optimized formula, the bonding performance of the adhesive is remarkably improved, bonding is firmer and more durable, and the adhesive is suitable for bonding of various materials such as wood, paper, cloth and plastic and is wide in application range.

The invention discloses a composite additive for curing radioactive slurry and a curing method of the radioactive slurry, the composite additive for curing is obtained by compounding granulated blast furnace slag, zeolite obtained by mixing (8-10) membered cyclic chabazite and (10-12) membered cyclic chabazite, volcanic ash with the silicon dioxide content of more than or equal to 50% and a polycarboxylic acid type high-performance water reducing agent. In the cement solidification process, common Portland cement in the market is used as a solidification base material, and medium and low-level radioactive waste liquid with the sodium nitrate content being smaller than or equal to 330 g / L can be used as mixing water, so that the radioactive waste liquid can be synergistically solidified while the radioactive slurry is solidified, the production efficiency is improved, and the production cost is reduced. Cement solidification of radioactive slurry can be achieved, the mass inclusion rate reaches 0-20%, solidified cement obtained through the composite additive and the solidification method meets the performance requirements of existing radioactive waste solidified bodies, and a large space is provided for containing engineering fault tolerance.