326 results about "Liquid system" patented technology

The invention provides a curved surface profiling polishing device and process based on force rheology and a chemical synergistic effect. The device comprises a bottom box body, a driving motor and a main shaft are arranged in the bottom box body, and a polishing head with a profiling tool is installed on the main shaft and is immersed in a polishing solution with a specific formula. A lead screw module is arranged at the top of the box body and used for accurately controlling the position and posture of the curved-surface workpiece, the outer contour surface of the polishing tool is matched with the curved surface of the workpiece in height, and efficient profiling polishing is achieved. According to the device, the stability and efficiency of force rheological polishing are improved by optimizing the structural design and improving a polishing solution system. Especially, through height matching of the profiling polishing tool and the curved surface of the workpiece, the technical bottlenecks that a traditional method is difficult to adapt to complex curved surfaces and polishing quality is difficult to guarantee are effectively broken through. And by optimizing polishing parameters, nanoscale precision machining of the surface of the curved-surface workpiece is achieved, and the surface quality is remarkably improved.

The invention discloses an acid liquid system based on synergistic interaction of a corrosion inhibitor and an iron stabilizer and a preparation method, and relates to the technical field of oilfield chemistry, the acid liquid system comprises the following components by mass: 10%-20% of an acid liquid, 0.5%-3% of a composite corrosion inhibitor, 0.5%-2% of an iron stabilizer, 0.1%-0.5% of a discharge aiding agent, 0.2%-0.8% of an acid thickening agent, and the balance of water; the main component of the composite corrosion inhibitor in the acid liquid system is long-chain alkyl bis-imidazoline-thiadiazole amide hydroxypropyl sulfobetaine, and the composite corrosion inhibitor contains a bis-imidazoline ring and a thiadiazole amide ring, and can form more stable multi-active-site adsorption on the metal surface to form a compact and stable protective film, so that the metal surface corrosion resistance is improved, and the metal surface corrosion resistance is improved. Long carbon chains in molecules can effectively block corrosive media, N, O and S heteroatoms in the molecules are adsorbed on the iron surface through lone pair electrons to inhibit corrosion, the slow-release effect is further enhanced, and therefore the slow-release efficiency is improved by 40% or above.

The invention particularly discloses a fractured rock mass grouting three-dimensional visualization test device and method, and relates to the technical field of rock mass engineering. The device comprises a test box body, a liquid inlet and outlet system, a monitoring system and a dynamic water environment simulation assembly, the test box body is made of a transparent acrylic material and is composed of an upper cover plate, a lower cover plate, a front cover plate, a rear cover plate, a baffle and two side cover plates, and a core experiment module is arranged in the test box body; the liquid inlet and outlet system is sequentially connected with the liquid holding device, the peristaltic pump, the valve, the Doppler flow velocity sensor and the test box body through rubber pipes; the monitoring system integrates an image collection unit and a data monitoring unit, an industrial-grade 3D camera and a binocular camera achieve visualization of the displacement process, and a fiber bragg grating pressure sensor synchronously collects fracture pressure data and transmits the fracture pressure data to a computer through a multifunctional data collection module. The device can be used for observing the displacement process of the slurry in the three-dimensional fracture in real time, synchronously monitoring key parameters, adapting to complex test working conditions and providing reliable support for grouting law research.

A refrigeration device includes an outer frame box, a refrigerant system, a cooling liquid system, a heat exchanger and a fan assembly. The refrigerant system and the cooling liquid system are connected to the heat exchanger, and the refrigerant and the cooling liquid exchange heat in the heat exchanger. The fan assembly is configured to provide power for the flow of airflow in the outer frame box. The cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly are sequentially arranged in the outer frame box along a flow direction of the airflow. The layout of the cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly in the outer frame box is reasonable, so that the cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly can form a compact layout in the outer frame box.

The invention discloses a carbon dioxide formation leakage monitoring device and method based on distributed optical fiber sensing. The device comprises a simulated formation, an injection system and a DTS system. A thermal insulation device, a thermometer and a production well system are mounted on the simulated stratum; the injection system is used for injecting carbon dioxide and liquid into the simulated stratum; the DTS system comprises a light source assembly, an optical fiber group, a detection assembly and a data acquisition and processing unit which are connected in sequence; a plurality of monitoring points of the optical fiber group are arranged, and the plurality of monitoring points are arranged in the simulated stratum at intervals; the detection assembly is used for detecting Rayleigh scattering frequency shift and Rayleigh backscattering light intensity and phase in the optical fiber group, and the data acquisition and processing unit is used for acquiring signals output by the detection assembly and performing data processing and analysis. According to the invention, fine monitoring and continuous monitoring of carbon dioxide stratum leakage can be realized, the environmental interference resistance is high, and the installation and maintenance cost is low.

The invention relates to a method for separating and purifying a liquid system, the liquid system comprises an ionic liquid with the concentration ranging from 0.05 mol / L to 6.0 mol / L and a metal salt with the concentration ratio of the ionic liquid to the metal salt ranging from 2: 1 to 1: 2, and the method comprises the following steps: carrying out first-stage electrodialysis on the liquid system at the first current density ranging from 0.1 mA / cm < 2 > to 50 mA / cm < 2 >, and carrying out second-stage electrodialysis on the liquid system at the second current density ranging from 0.1 mA / cm < 2 > to 50 mA / cm < 2 >; an ionic liquid primary product and a metal salt primary product are obtained; evaporating the ionic liquid primary product and the metal salt primary product to obtain an ionic liquid concentrated solution and a metal salt concentrated solution; and performing second-stage electrodialysis on the ionic liquid concentrated solution and the metal salt concentrated solution at a second current density of 0.1-50mA / cm < 2 > to obtain an ionic liquid product and a metal salt product. According to the method disclosed by the invention, all process links are properly joined and organically coupled, and the method is operated at normal temperature and normal pressure, has relatively high production efficiency, is easy for large-scale development, is an additive-free, basically secondary-waste-free and green method, and has industrial application value.

The invention relates to the technical field of wave-absorbing materials, in particular to a broadband wave-absorbing material and a preparation method and application thereof. According to the preparation technology of the wave-absorbing material, a non-woven fabric carrier with graded pores and continuous gradient distribution is constructed by virtue of induction of a centrifugal force field, and then the non-woven fabric carrier is placed in a magnetic dispersion liquid system to be subjected to impregnation ultrasonic dispersion load treatment, so that heterogeneous interface structures are constructed on the surfaces and the interiors of fibers, and the prepared material fabric has the characteristics of light weight and broadband wave-absorbing performance; the method is suitable for military and civil high-tech fields such as electromagnetic protective clothing and invisibility. The method has the advantages of short production period, high raw material utilization rate and the like.

The invention discloses a high-barrier BOPET (Biaxially Oriented Polyethylene Terephthalate) film and a preparation method thereof. Comprising the following steps: carrying out melt extrusion on dried polyester chips, cooling cast sheets, and then carrying out longitudinal stretching; after corona treatment, double surfaces are coated with a coating liquid, and the thickness of the coating is controlled to be 0.5-1 [mu] m; then transversely stretching and shaping at high temperature, so that the coating is fully crosslinked and cured; and finally, carrying out sectional cooling and rolling to obtain the BOPET film. The preparation method has the beneficial effects that the modified monomer with a quaternary ammonium salt structure is chemically synthesized and is applied to a coating liquid system of the BOPET film, so that the comprehensive performance of the film is remarkably improved.

The application discloses a wastewater degradation device based on dielectric barrier discharge coupling optical waveguide catalysis, which comprises a reactor, a liquid circulating system and a power supply. The reactor is used for degrading and treating the wastewater delivered by the liquid circulating system. The reactor comprises a red copper rod, a ceramic medium and an outer tube. The red copper rod and the ceramic medium are arranged in the outer tube. The ceramic medium and the outer tube form a plasma discharge area. The upper end of the outer tube is provided with an upper cover. The upper cover and the outer tube form a liquid inlet channel. The liquid inlet channel is communicated with the plasma discharge area. The power supply is electrically connected with the reactor. The red copper rod is used for forming a high-voltage electric field in the plasma discharge area. When the wastewater passes through the plasma discharge area, active substances generated by dielectric barrier discharge can degrade the wastewater. The circulating liquid system is used for delivering the degraded wastewater into the reactor again for secondary degradation. Through the above device, the wastewater can be cyclically degraded and treated, and the degradation effect of the wastewater is improved.

The present invention is directed to an analytical method, using surface waves excited in a liquid system forming part of a sensor, to determine a property of a test substance. An aspect of the disclosure provides a method for controlling a sensor for determining a property of a test substance, the sensor having a sensitivity and dynamic range, the sensor comprising: a liquid system comprising: a bulk liquid phase carrying a thin film on the surface of the bulk liquid phase: wherein the thin film comprises a film material and wherein the thin film exhibits an electrical response to mechanical stress and vice versa wherein said response depends on the thermodynamic state of the liquid system, the sensor configured to: contact the surface of the liquid system with the test substance thereby to generate a surface wave on the liquid system: and, determine the property of the test substance based on parameters of the surface wave: wherein the method for controlling the sensor comprises: controlling the sensitivity by changing a thermodynamic parameter of the liquid system.

The invention discloses a potassium-rich liquid decalcification method based on a titanate ion sieve, and relates to the technical field of high-salinity water body ion removal, and the removal method comprises the following steps: adding the titanate ion sieve into a potassium-rich liquid water body as an adsorbent under a constant temperature condition, oscillating the potassium-rich liquid added with the adsorbent for a certain period of time, and removing calcium ions in the potassium-rich liquid; calcium ions in a potassium-rich liquid system can be remarkably removed, and then the titanate ion sieve is put into a NaCl solution for elution, so that elution of the calcium ions in the titanate ion sieve is realized. By constructing an efficient decalcification system, efficient removal of calcium ions in the potassium-rich liquid is achieved, meanwhile, cyclic utilization of ionic titanate is achieved, high adsorption capacity can still be kept in multiple cyclic adsorption-desorption cycles, the economic benefits of potassium salt extraction are improved, and the method can meet the actual requirements of industrial production.

The utility model discloses a heat dissipation device and a server, and relates to the technical field of heat dissipation, and the heat dissipation device comprises a liquid cooling heat dissipation part which comprises a liquid cooling plate; the air cooling heat dissipation part comprises a driving assembly and a heat dissipation plate assembly which are arranged on the liquid cooling plate, the heat dissipation plate assembly comprises a plurality of heat dissipation plates and a plurality of foldable connecting pieces, the heat dissipation plates are sequentially arranged at intervals in the preset direction, and the foldable connecting pieces are arranged in the preset direction in an extensible or foldable mode; any two adjacent heat dissipation plates are connected through at least one of the foldable connecting pieces. The liquid cooling plate is fixedly connected with the first heat dissipation plate, and the driving end of the driving assembly is in driving connection with the last heat dissipation plate, so that the multiple heat dissipation plates are switched between the unfolded state and the folded state. The problem that a liquid cooling plate device in the prior art lacks a rapid emergency heat dissipation function in a cooling liquid system failure or high-load scene is solved, and the technical effect of ensuring the stability of a server during high-load operation is achieved.

The invention discloses a flue gas purification device of a strip steel hot galvanizing aluminum magnesium annealing furnace, which relates to the technical field of flue gas purification and comprises an annealing furnace exhaust pipe, a quenching treatment unit, a multi-stage purification unit, an exhaust pipe and a circulating liquid system which are sequentially connected along a flue gas flowing direction. According to the invention, through the multi-stage and synergistic purification process of quenching, toxin inhibition and deacidification, turbulent flow enhanced absorption, ultrasonic deep washing, efficient dehydration and demisting and activated carbon adsorption, and in combination with an intelligent fractional precipitation circulating liquid system, efficient, deep and comprehensive purification of the complex flue gas of the strip steel hot-dip galvanizing aluminum magnesium annealing furnace is realized, the pollutant emission concentration is remarkably reduced, and the environmental pollution is reduced. Meanwhile, waste liquid treatment and resource recovery are optimized, the operation cost and the environmental risk are reduced, and the environment-friendly emission standard is achieved.

The application is a preparation method of a delay composition based on microdroplet template limited domain assisted self-assembly. The method comprises the following steps: (1) preparing a continuous phase solution: weighing a surfactant and dissolving it in deionized water to obtain a continuous phase solution; (2) preparing a dispersed phase solid-liquid system containing delay composition ingredient particles: weighing a binder and dissolving it in an ethyl acetate solvent to obtain a dispersed phase solution; weighing any one of tungsten-based, boron-based, silicon-based, silicon-iron-based, titanium-based, zirconium-based and molybdenum-based delay composition and adding it to the dispersed phase solution to obtain a dispersed phase solid-liquid system containing delay composition ingredient particles; (3) preparing a delay composition composite particle based on a microdroplet template generation device. The application uses a microdroplet template limited domain assisted self-assembly method to prepare a delay composition based on microfluidic technology, improves the delay precision of the delay composition, and solves the sedimentation problem of solid particles in a conventional microchannel.

The present application provides a preparation method of an acid liquid system, comprising the following steps: adding 20-50 parts by mass of emulsified gelling acid into 50-80 parts by mass of gelling acid to obtain the acid liquid system; preferably adding 25-45 parts by mass of emulsified gelling acid into 55-75 parts by mass of gelling acid to obtain the acid liquid system.

This invention discloses a GLP-1 peptide drug microneedle and its preparation method. The microneedle is composed of PVP, NVP, a photoinitiator, and a GLP-1 receptor agonist. The preparation method includes two steps: material preparation and peptide microneedle patch preparation. First, a certain amount of PVP is dissolved in NVP to prepare a solution with appropriate specific gravity and viscosity. Then, the photoinitiator and GLP-1 receptor agonist are added to the solution to form a liquid system that is as uniformly suspended as possible. Second, the suspension is filled into a microneedle mold, and NVP is polymerized into solid PVP by ultraviolet light irradiation. Under the constraint of the mold, the solid PVP forms the geometric shape of the microneedle. Subsequently, a small amount of NVP is spread evenly on the backing layer of the microneedle and covered with a plastic film. Ultraviolet light irradiation is applied again to crosslink the plastic film with the PVP microneedle, and the microneedle is then peeled out of the mold. The advantage of this application is that it uses PVP to prepare an NVP solution with suitable specific gravity and viscosity, so that the subsequently added drug is uniformly suspended in the solution, thereby improving the uniformity of drug loading on microneedles and increasing the drug loading capacity, which is beneficial to improving the efficacy and consistency of drug efficacy.

This invention belongs to the technical field of carbon dioxide capture methods, specifically relating to a carbon dioxide capture material and method based on porous liquid physical absorption. The carbon dioxide capture material consists of a hydrophobic solid porous material and an aqueous dispersion medium containing polyvinylpyrrolidone (PVP). The aqueous dispersion medium accounts for 90-95 wt% of the total system mass, and the solid porous material accounts for 5-10 wt%. The preparation method includes the following steps: Step 1, placing the weighed PPVP-containing aqueous dispersion medium in an open container, forming a gentle vortex through stirring, and then slowly adding the solid porous material; Step 2, dispersing in an ultrasonic water bath; Step 3, oscillating in a constant-temperature shaker; Step 4, repeating the above ultrasonic and oscillation steps. Compared with a pure water system, the third type of porous liquid system based on hydrophobic porous particles obtained by this invention can achieve better continuous carbon dioxide capture through the synergistic effect of the solid porous material and the solid-liquid interface interaction region.

Provided is a liquid-liquid distribution device for distributing a substance contained in a liquid-liquid system having two liquid phases, the liquid-liquid distribution device being capable of achieving phase mixing that attains a fine, stable emulsion state while suppressing entrainment. In a light liquid phase or a heavy liquid phase, or both of these phases, the direction in which liquid droplets move and the linear velocity of the liquid droplets are controlled by installing, within a structure in which two or more plates are vertically stacked, a flow path for shifting the two or more plates while changing the orientations thereof in a zigzagging manner.

Systems and methods for dispensing consumable liquids are disclosed. An example networked system includes a server and a plurality of beverage dispenser stations. Each of the beverage dispenser stations includes a filler including a filler outlet configured to deliver a beverage into a container, an RFID reader configured to read an RFID tag fixed to a water filter through which water for the beverage is to flow, and a controller. The controller is configured determine a duration-of-use of the water filter and a volume of water that has passed through the water filter. Each of the beverage dispenser stations also includes a network communications interface configured to communicate the duration-of-use and the volume of water to the networked administrative server to track use of the water filter among the plurality of beverage dispenser stations.

The invention discloses a bird nest type hydrogenation protective agent for a coal-to-oil system as well as a preparation method and application of the bird nest type hydrogenation protective agent, and belongs to the technical field of catalyst protection. The preparation method of the protective agent comprises the following steps: kneading pseudo-boehmite, a binder and a special molecular sieve, then adding an acid solution, polyvinyl alcohol and glycerol, and carrying out wet kneading to obtain mud; after wet kneading is finished, sequentially carrying out vacuum pugging, aging, extrusion molding by adopting a bird nest type mold, pelletizing and roasting to obtain a protective agent carrier; and loading an active metal component on the obtained protective agent carrier, and sintering to obtain the protective agent. According to the protective agent, the pseudo-boehmite with high crystallinity and high pore volume and the special molecular sieve are cooperatively used, and through shaping and roasting crystal transformation, the protective agent has the advantages of high radial strength, high water absorption capacity, high polar oxide adsorption capacity and high deoxidization capacity, and oxygen-containing compounds in coal-to-oil heavy oil can be effectively removed; the service life of the main catalyst is prolonged.

The application discloses a kind of permeable crystalline concrete protective fluid systems with anticarbonization, anticorrosion function and preparation method and application thereof.The protective fluid system includes permeable crystalline inorganic nano concrete protective fluid, reinforcing colorant and organic-inorganic composite resin varnish.The protective fluid system is used to protect concrete structure, including the following steps: first, using permeable crystalline inorganic nano concrete protective fluid to coat the surface of concrete structure, curing to solidification, then using reinforcing colorant to coat, curing to solidification, finally using organic-inorganic composite resin varnish to coat, curing to solidification.The protective fluid system is used for concrete structure protection, not only has excellent waterproof, anticarbonization, weathering resistance, acid and alkali erosion resistance and other advantages, coloring layer and sealing layer can adapt to different decoration needs, while improving surface hardness and weather resistance, three-layer composite structure provides structure, vision, threefold protection of beauty, better than existing single function material.

The utility model relates to the technical field of machining, and particularly discloses an air-cooling and liquid-cooling mixed spray head and a vertical machining center thereof. The three-way pipe is communicated and fixedly connected with a corrugated pipe; the lower end of the corrugated pipe is communicated and fixedly connected with a tail end spray head; a central pipe is fixedly connected to the interior of the tail end spray head; the central pipe is externally connected with a cooling air source, one end of the three-way pipe is connected with a cooling liquid conveying pipeline externally connected with the vertical machining center, then machining is started, a cooling liquid system of the vertical machining center is started, and sprayed cooling liquid is evenly sprayed out of the diffusion holes along the three-way pipe, the corrugated pipe and the tail end spray head to cool a machined part. And then the cooling air source sprays out cold air with pressure along the center pipe and the air spraying holes, so that cooling liquid is cooled in the moving process, meanwhile, contact heat dissipation is conducted on the machined part in the middle position where the cooling liquid is sprayed out, the contact area between the cold air and the machined part is larger through the cold air, and the cooling effect is better.

A visual device for CO2 ocean storage experiments that can switch between spraying and bubbling, and an experimental method thereof, belong to the field of carbon dioxide storage technology. The system mainly includes a gas-liquid system, a liquid inlet system, a visual reactor system, and a data acquisition and processing system; the visual reactor system realizes different storage modes by means of positive and reverse positions, and a CO2 adjustable liquid nozzle is installed on the reactor body and the reactor body is placed upright. After injecting a seawater simulation solution and controlling the temperature and pressure, liquid carbon dioxide is injected into the water from above at a high flow rate through a booster pump and the droplet sedimentation state is observed. The droplet size is controlled by adjusting the injection flow rate by adjusting the nozzle. When switching microbubbles, the microbubble gas nozzle is replaced and the reactor body is inverted, and gaseous carbon dioxide is injected into the water from the bottom and the rising trend and fate of the bubbles are observed. The present invention can freely switch between two hydrate formation modes to perform larger-scale laboratory ocean storage simulations, and can realize all-round observation of the migration mode of CO2 droplets and bubbles.

The invention relates to the technical field of blast furnace ironmaking, and particularly discloses an energy efficiency improvement and cost control method for a hydrogen-rich carbon circulating oxygen blast furnace system. Aiming at the problems of high decarburization energy consumption, insufficient equipment operation efficiency and high maintenance cost of the existing HyCROF system, five core measures of low-grade waste heat gradient utilization, regeneration gas cooling system transformation, decarburization compressor efficiency optimization, amine liquid system intelligent management and control and cost closed-loop early warning are cooperatively implemented; the system energy consumption is obviously reduced, and the operation cost is accurately controlled. According to the method, the cost of molten iron can be reduced by 40-50 yuan / ton, the cost difference between the method and a traditional blast furnace is greatly reduced, meanwhile, the system operation stability and the resource recycling rate are improved, key support is provided for commercialized popularization of the HyCROF technology, and the method is suitable for hydrogen-rich carbon circulating oxygen blast furnace systems of various scales.

The present application belongs to the technical field of food safety rapid detection, and discloses a liquor harmful substance synchronous identification method based on gas phase diffusion pretreatment. The present application utilizes the physical characteristics that the volatility of methanol and formaldehyde is significantly higher than that of ethanol and esters, carries out gas phase diffusion pretreatment under the condition that a closed container is at 40 DEG C to 60 DEG C, makes methanol and formaldehyde preferentially volatilize and be captured by two independent absorption chromogenic liquids respectively, makes ethanol and esters mainly remain in the liquor sample liquid, and the ethanol concentration in the absorption liquid is relatively reduced. Thus, the chromogenic reaction is carried out in the absorption liquid system in which the ethanol concentration is significantly reduced, and it is not necessary to dilute the liquor sample to low alcohol degree in a large amount, so that the technical problem that the traditional colorimetric method is seriously interfered by high alcohol degree ethanol and ester matrix is fundamentally solved.

A sealing gel with delayed gelation for well cementation, its preparation method, and application are provided. The sealing gel with delayed gelation for well cementation includes 2-3 parts of anionic polyacrylamide, 3-4 parts of cationic acrylamide, 1 part of stabilizer, 1 part of cross-linking agent and 6 parts of distilled water; the stabilizer is obtained by the reaction of citric acid and ethylenediaminetetraacetic acid disodium under the action of initiator, the cross-linking agent is obtained by the reaction of chromium lactate and chromium nicotinate under the action of azo diisobutyl amidine hydrochloride and tetramethylethylenediamine. Based on the purpose of well cementation, the sealing gel has pH sensitivity, which prolongs the gelation time of the gel that is originally rapidly formed at a certain temperature, so that it can be added to the pre-liquid system.

The invention relates to the technical field of silicon carbide modules, in particular to a novel structure silicon carbide module which comprises a packaging substrate and a heat conduction clamping plate arranged on the packaging substrate and used for conducting heat, a fluid cover is arranged outside the heat conduction clamping plate, and a cooling liquid flowing cavity is formed through cooperation of the heat conduction clamping plate and the fluid cover. An embedded sealing and testing structure is arranged between the heat conduction clamping plate and the fluid cover; according to the invention, through the structural design of the embedded sealing detection structure, leakage of a trace amount of cooling liquid can be monitored; automatic adjustment and control can be achieved after the cooling liquid leaks, the backflow channel and the inflow channel skip over the cooling liquid flowing cavity to be directly communicated, then negative pressure is generated in the cooling liquid flowing cavity, and therefore continuous heat dissipation of downstream equipment is not affected in a series-connection cooling liquid system.

The application provides a molybdenum-based monolithic catalyst, a preparation method and application thereof, and the preparation method comprises the following steps: S1, providing an electrically conductive carbon carrier and pretreating; S2, mixing a molybdenum-based precursor and a high-molecular alcohol substance in water to form a stable impregnation liquid system; S3, placing the pretreated electrically conductive carbon carrier into the impregnation liquid system, ultrasonic impregnating, and then drying to obtain a catalyst precursor; and S4, calcining the catalyst precursor under an inert gas to obtain the molybdenum-based monolithic catalyst. The application adopts a modified impregnation liquid to replace a traditional modified carrier strategy, improves the wettability of the impregnation liquid to the hydrophobic electrically conductive carbon carrier, and ensures the uniform distribution of the molybdenum-based active component on the electrically conductive carbon carrier. In addition, a core-shell high-activity catalytic structure of MoO2 core-molybdenum carbide shell is constructed, which can synergistically significantly improve the catalytic activity and stability.

The invention provides a double-protein-containing enteral total nutrient composition, a suspension and a preparation method thereof, and belongs to the technical field of nutritious foods. The invention relates to a double-protein enteral total nutrient composition, which is prepared from the following components in parts by mass: 2 to 5 parts of protein, 1.9 to 4.4 parts of fat, 7 to 26 parts of carbohydrate, 0.01 to 0.2 part of compound vitamin, 0.07 to 0.3 part of compound mineral substance, 0.01 to 0.1 part of essence and 0.01 to 1 part of compound stabilizer. Vegetable protein (soybean protein isolate) and animal protein (sodium caseinate) are adopted according to a certain scientific ratio, the problem that emulsion protein micelles are unstable due to thermal polymerization of the vegetable protein in a mixed liquid system is effectively solved, no full-nutrient liquid product added with the vegetable protein exists in the market at present, the market blank is filled, and the market prospect is wide. The problems of incomplete nutrition, uniformity of double proteins, heating stability and storage stability caused by a single protein source are effectively solved.

The invention provides a biological gel acid liquid system as well as a preparation method and application thereof, and belongs to the technical field of fracturing fluids. The biogel acid liquid system comprises the following components in percentage by mass: 15%-20% of hydrochloric acid, 0.2%-0.8% of biogel, 0.5%-2% of a fluorocarbon discharge aiding agent, 1%-3% of an aldehyde ketone amine condensate corrosion inhibitor, 0.5%-2% of an iron ion stabilizer and the balance of water; wherein the biological glue is a fermentation product of a production strain, and the production strain is sphingomonas sp.WG (sphingomonas sp.WG). Through interaction of the components with specific mass percentage content, the biogel is promoted to form a three-dimensional space network structure in an acid liquid system, so that the acid liquid system has good resistance reduction performance, temperature-resistant stability and low damage performance, and safe, efficient and green carbonate reservoir transformation can be realized.