169 results about "Mixed phase" patented technology

The invention relates to a high-strength complex-phase hot-rolled wire rod for a 1960MPa-grade stranded wire and a manufacturing method of the high-strength complex-phase hot-rolled wire rod. After high-carbon components containing trace B are designed, rolled and spun into a wire rod, online molten salt rapid quenching treatment is carried out, and the wire rod is firstly subjected to front-section molten salt treatment, so that the wire rod is cooled at the cooling speed of greater than or equal to 36 DEG C / s and enters a bainite and pearlite mixed phase region from an austenite state; the method comprises the following steps: quenching a steel wire rod to form a structure mainly comprising quenched bainite and a sorbite structure, carrying out rear-section molten salt treatment on the steel wire rod, increasing the molten salt temperature, promoting isothermal tempering of the quenched bainite and the sorbite structure, and carrying out roller way slow cooling to prepare the hot-rolled steel wire rod of which the microscopic structure comprises a complex-phase structure consisting of tempered sorbite, tempered bainite and ferrite, the composition system can be simplified, the strength and plasticity matching and rapid production of the wire rod are considered, the tensile strength is 1330-1380 MPa, the percentage reduction of area is 35%-40%, and the wire breaking risk in the wire drawing and twisting process of the stranded wire steel can be reduced.

The invention relates to a high-strength complex-phase hot-rolled wire rod for a 2230 MPa grade stranded wire and a manufacturing method of the high-strength complex-phase hot-rolled wire rod. After a Nb-containing high-carbon component is used for rolling and spinning at a spinning temperature to form a wire rod, online molten salt mixing quenching isothermal treatment is carried out, so that the wire rod is firstly subjected to front-section molten salt treatment and is cooled at a cooling speed of more than or equal to 35 DEG C / s, and enters a bainite and pearlite mixed phase region from an austenite state; the method comprises the following steps: firstly, carrying out heat treatment on austenite to promote part of austenite to be converted into bainite and sorbite, then carrying out later-section molten salt treatment, increasing the molten salt temperature, promoting unconverted retained austenite to be decomposed and converted into sorbite, carrying out isothermal tempering, and finally, carrying out roller way slow cooling, so as to prepare the hot-rolled wire rod of which the microscopic structure comprises a complex-phase structure consisting of tempered bainite and tempered sorbite, the drawing and hardening capacity can be improved, the production efficiency is considered, the tensile strength is 1522-1572 MPa, and the percentage reduction of area is 29%-34%, so that off-line heat treatment is avoided, and the wire breaking risk and cost of stranded wire manufacturing are reduced.

The invention relates to a high-strength complex-phase hot-rolled wire rod for a 2200MPa-grade stranded wire and a manufacturing method of the high-strength complex-phase hot-rolled wire rod, and the manufacturing method comprises the following steps: rolling and spinning to form a wire rod by adopting a high-hardenability component design, and then carrying out online molten salt mixed phase region quenching isothermal treatment, so that the wire rod is firstly subjected to front-section molten salt treatment and enters a bainite and pearlite phase region from an austenite state; the method comprises the following steps: carrying out high-temperature treatment on austenite to promote part of austenite to be converted into bainite and sorbite, carrying out later-section molten salt treatment, increasing the molten salt temperature, reducing the molten salt circulation amount, promoting unconverted retained austenite to be decomposed and converted into bainite and sorbite, carrying out isothermal tempering, and finally carrying out slow cooling through a roller way, the hot-rolled wire rod with a microscopic structure comprising a complex phase structure composed of tempered bainite and tempered sorbite is prepared, the material cost can be reduced, the complex phase structure and the structure toughness can be regulated and controlled on line, the tensile strength is 1505-1555 MPa, the percentage reduction of area is 32%-37%, efficiency and energy consumption are both considered, off-line heat treatment is avoided, and high-efficiency production of stranded wires is promoted.

The invention relates to a high-strength complex-phase hot-rolled wire rod for a 2360MPa-grade stranded wire and a manufacturing method of the high-strength complex-phase hot-rolled wire rod. After a Mo-V high-carbon component system is rolled and spun into a wire rod, the wire rod is subjected to on-line molten salt weak quenching toughening treatment, so that the wire rod is subjected to front-section molten salt treatment to be quickly cooled, enters a bainite and sorbite mixed phase region from an austenite state, and is subjected to high-temperature heat treatment to form a high-strength complex-phase hot-rolled wire rod; the method comprises the following steps: firstly, carrying out heat treatment on residual austenite to form a structure mainly comprising bainite and sorbite, then carrying out later-section molten salt treatment, increasing the temperature of molten salt, promoting decomposition and conversion of unconverted residual austenite into sorbite, carrying out isothermal tempering, and finally, carrying out roller way slow cooling to prepare a hot-rolled wire rod of which the microscopic structure comprises a complex-phase structure consisting of tempered bainite and tempered sorbite, the method has the advantages that the structure toughness can be regulated and controlled on line, the tensile strength is 1574-1627 MPa, the percentage reduction of area is 28-33%, the mechanical property fluctuation is reduced, the material cost and the production efficiency are both considered, the ultra-high-strength stranded wire can be produced without off-line heat treatment, and the wire breaking risk is reduced.

The invention relates to a high-strength complex-phase hot-rolled wire rod for a 2260MPa-grade stranded wire and a manufacturing method of the high-strength complex-phase hot-rolled wire rod, after the high-carbon component design of C-Si-Mn-Cr-V-Nb-V is rolled and spun into a wire rod, the wire rod is subjected to online molten salt mixed quenching isothermal treatment, so that the wire rod is subjected to front-section molten salt treatment to be quickly cooled, enters a bainite and pearlite mixed phase region from an austenite state, and is subjected to hot rolling and hot rolling to form the high-strength complex-phase hot-rolled wire rod. The method comprises the following steps: carrying out first-stage molten salt treatment on austenite to promote transformation of part of austenite to bainite and sorbite, then carrying out later-stage molten salt treatment to increase the molten salt temperature, promoting decomposition and transformation of untransformed retained austenite into sorbite, carrying out isothermal tempering, and finally carrying out slow cooling through a roller way, a hot-rolled wire rod with a microscopic structure comprising a complex-phase structure composed of tempered bainite, tempered sorbite and ferrite is manufactured, the tensile strength is 1547-1597 MPa, and the percentage reduction of area is 27%-32%, so that when a high-strength stranded wire is manufactured, off-line heat treatment is not needed, the drawing pass number is reduced, and the wire breaking risk is reduced.

According to the mixed phase ice crystal particle ground generation and icing experiment device and method, a water spray head generates a water drop particle swarm, an ice crystal particle generation device generates an ice crystal particle swarm, the water drop particle swarm and the ice crystal particle swarm are mixed in a controllable proportion to form an ice-water mixed phase, and then a mixed phase icing experiment can be achieved. The experimental device comprises an air duct system, a water drop atomization generation system, an ice crystal particle generation system, an impact surface system and a measurement system, the air duct system comprises an axial flow fan, an air duct and an experiment cavity; the impact surface system comprises an impact surface assembly, the water drop atomization generation system and the ice crystal particle generation system are used for providing water drops and ice crystals respectively, the axial flow fan provides high-speed airflow, the water drops and the ice crystals are conveyed through the air duct to impact the impact surface assembly at a high speed, and an impact icing experiment of a mixed phase is achieved; the measuring system is used for measuring the air speed, temperature and humidity in the air duct and measuring the thickness and temperature of an ice layer of the impact surface assembly.

An oil-free compressor includes a compressor housing with a suction inlet and a discharge outlet, a compression mechanism and a liquid-vapor separation volume disposed within the compressor housing, a crankshaft. The compression mechanism has an inlet fluidly connected to the suction inlet and a discharge volume fluidly connected to the discharge outlet. The crankshaft is engaged with the compression mechanism. The liquid-vapor separation volume is configured to separate a mixed phase of working fluid into liquid working fluid and gaseous working fluid. The liquid working fluid is supplied to the bearing. A heating, ventilation, air conditioning, and refrigeration (HVACR) system includes a refrigerant circuit with an oil-free compressor, a condenser, one or more expanders, and an evaporator.

The invention discloses a deicing material with a low-interface-toughness coating coupled with a mixed phase change material and a preparation method of the deicing material, and belongs to the technical field of anti-icing and deicing materials. The preparation method comprises the following steps: spraying a product solution obtained by grafting micron-sized hydrophilic silicon dioxide, nano-sized aluminum oxide and a silane coupling agent on the surface of a substrate, drying and curing to obtain a micro-nano porous structure bottom layer, and uniformly coating the micro-nano porous structure bottom layer with a Graphene-coated PEG400 mixed phase change material to form a phase change heating / photo-thermal layer. And finally, spraying a low-interface toughness coating prepared by reacting polydimethylsiloxane with a cross-linking agent and a polymerization increasing agent on the phase change heating / photo-thermal layer to obtain the deicing material. According to the invention, the weak binding force of the low-interface toughness coating is utilized to greatly reduce the adhesive force between the ice layer and the substrate, and the heating effect of the phase change heating / photo-thermal layer is utilized to realize low-energy-consumption intelligent deicing, so that the safety and economical efficiency of equipment are remarkably improved.

Techniques for determining microbiological corrosion include flowing a mixed-phase wellbore fluid from at least one tank into a volume of a reactor tank of a microbiological corrosion reactor; controlling a multi-channel potentiostat coupled to a three-electrode cell assembly positioned in the volume, the three-electrode cell assembly including a working electrode, a counter electrode, and a reference electrode, where each of the working electrode, the counter electrode, and the reference electrode is positioned in the volume to contact the mixed-phase wellbore fluid; based on controlling the multi-channel potentiostat, activating the working electrode in the mixed-phase wellbore fluid in the volume; and determining, based on activating the working electrode, a corrosion rate of at least one of the working electrode or a target coupon positioned within the mixed-phase wellbore fluid in the volume.

The invention provides a layered oxide sodium ion positive electrode material as well as a preparation method and application thereof, and relates to the technical field of sodium ion batteries. Specifically, the layered oxide sodium ion positive electrode material is of a core-shell structure, a core layer comprises an O3 type layered oxide, a shell layer comprises sodium-containing phosphate, and the sodium-containing phosphate comprises NaCaPO4; a mixed phase of O3 type layered oxide and calcium is arranged on the surface of the core layer; in the mixed phase, the concentration of calcium is gradually increased from inside to outside. According to the positive electrode material, the interface chemical stability of the material can be remarkably improved, the mechanical strength of the positive electrode of the sodium-ion battery and the electrochemical performance of long circulation are remarkably improved, and the positive electrode material has a good application prospect.

The invention relates to the technical field of fracturing yield increasing equipment, in particular to a gas fracturing yield increasing device, and aims to relieve the technical problem that the displacement of a mixed-phase liquid material between a low-pressure inlet and a high-pressure outlet is difficult to control in related technologies. The gas fracturing yield increasing device comprises a flow box, the flow box comprises a shell, an extending pipe, a blocking plate and a driving part, the shell is provided with a containing cavity, a liquid inlet and a liquid outlet are formed in the two opposite side walls of the shell respectively, the extending pipe is fixed in the containing cavity, a plurality of overflowing holes are formed in the side wall of the extending pipe, one end of the extending pipe is open and communicated with the liquid inlet, and the other end of the extending pipe is closed. The extending pipe is sleeved with the blocking plate, and the driving piece is in transmission connection with the blocking plate. According to the gas fracturing yield increasing device, the flow box is arranged, so that the flow of the mixed-phase liquid material can be controlled, and the mixed-phase liquid material can carry standard sand to fill a stratum.

The invention relates to the technical field of atmospheric science and numerical calculation, discloses an atmospheric numerical simulation method based on multiphase state water substance conservation constraint and application, and aims at evolution calculation of all phase state water substances under the conditions of discrete grids and discrete time steps for atmospheric numerical mode cloud microphysical parameterization. The method comprises the following steps: acquiring the density and velocity field of each component in a grid unit, and constructing a mass ratio variable normalized by wet air density; defining a growth rate per unit volume and per unit time, and representing a phase change source sink by using a component continuity equation; and establishing a coupling discrete updating rule according to the mass ratio accurate evolution equation, calculating a total water substance growth rate residual error and a ratio residual error corresponding to the equivalent conservation expression, and obtaining a corrected growth rate meeting conservation constraint through consistency correction so as to write back and update the mass ratio field. The method can inhibit the income and expenditure drift of water substances, reduces the phase distribution error under the condition of mixed phase cloud, and is suitable for numerical weather forecast and regional numerical simulation.

The invention relates to the technical field of heat dissipation of electronic equipment, in particular to a chip heat dissipation optimization system based on a multi-layer stacking structure. A heat conduction module; a heat dissipation module; a heat recovery module; the temperature monitoring and control module monitors the temperature of each layer of chip and the temperature difference of an inlet and an outlet of cooling liquid in real time, judges the working state of the whole system and controls the whole system; by arranging the heat conduction and heat dissipation modules, adopting heat conduction pores in gradient distribution and a mixed phase change material, and combining a nano-porous graphene substrate, cooperation of hot spot rapid heat conduction and non-hot spot buffer energy storage is achieved, the defect that a traditional phase change material is single is overcome, the dual-mode cooling pore channel design is achieved, seamless switching between a conventional system and an emergency system is achieved, and the energy storage efficiency is improved. The heat dissipation capacity is greatly improved, 0.1 mm resolution ratio temperature field reconstruction is achieved through the temperature monitoring and control module, hot spots are predicted 300 ms ahead of time, and temperature control is more accurate.

This application discloses a two-dimensional flexible biochemical sensor, its fabrication method, and its application, relating to the field of biochemical sensors. It comprises a substrate, a gate electrode layer, a dielectric layer, a mixed-phase transition metal chalcogenide (MTC) layer, and a MTC pn junction layer stacked sequentially. Electrode layers, both connected to the mixed-phase MTC layer and the MTC pn junction layer, are further disposed on the latter. Both the mixed-phase MTC layer and the MTC pn junction layer comprise the same MTC compound. The gate electrode layer is used to regulate the current in the mixed-phase MTC layer, and the MTC pn junction layer is used to sense biochemical signals and generate changing currents. This application is beneficial for improving the sensitivity and response speed of biochemical sensors.

The present application relates to a kind of oil well metering technical field, and is a kind of oil well production metering device, metering method, the former includes the pipeline expansion pipe being connected with upper chamber in the upper part of upper chamber, siphon pipe and communication pipe are arranged between upper chamber and lower chamber, siphon pipe inlet is connected with upper chamber, siphon pipe outlet is connected with lower chamber, siphon pipe upper portion elbow pipe is located in the upper part of upper chamber, water content measuring instrument is arranged on siphon pipe, liquid level sensing unit is set at the position corresponding siphon pipe upper portion elbow pipe and siphon pipe inlet in the inside or outside of upper chamber, the end of communication pipe is connected with upper chamber at the position higher than siphon pipe upper portion elbow pipe.The present application utilizes siphon principle to realize the change of oil well production output from irregular oil-gas mixed phase flow to regular gas or liquid single phase flow, realizes the metering of oil well production output, and the metering result can meet the accuracy required by oilfield geology, and the cost is low, safe and reliable, and the degree of automation is high.

This invention relates to a high-strength multiphase hot-rolled wire rod for 2230MPa grade stranded wire and its manufacturing method. The method involves using a high-carbon composition containing Nb, rolling the wire rod to a high wire drawing temperature, and then subjecting it to online molten salt mixing and quenching isothermal treatment. The wire rod undergoes a preliminary molten salt treatment with a cooling rate of ≥35℃ / s, transitioning it from an austenitic state to a mixed phase region of bainite and pearlite, promoting the transformation of some austenite into bainite and sorbite. A subsequent molten salt treatment increases the molten salt temperature, promoting the decomposition of untransformed residual austenite into sorbite, followed by isothermal tempering. Finally, the wire rod undergoes slow cooling on a roller conveyor, resulting in a hot-rolled wire rod with a microstructure consisting of tempered bainite and tempered sorbite, which improves draw hardening capacity while maintaining production efficiency. This achieves a tensile strength of 1522~1572MPa and a reduction of area of ​​29%~34%, thus eliminating the need for offline heat treatment and reducing the risk and cost of wire breakage during stranded wire manufacturing.

The utility model discloses extraction equipment suitable for a solid-liquid mixed phase. The extraction equipment comprises a tank body, a filter plate, a rotating shaft, a driving motor, a stirring paddle and a scraping brush, the tank body is of a cavity structure with the upper portion being a cylinder and the lower portion being a cone, and a filter plate is arranged in the tank body. A rotating shaft is arranged in the tank body, penetrates through the filter plate to extend, is connected with a driving motor, and is provided with a stirring paddle; a scraping brush is arranged on the rotating shaft above the filter plate. A 500-mesh filter plate is added, so that hyphae and large-particle solids in fermentation liquor can be conveniently separated.

The present invention provides a method for cleaning a flow-type reaction apparatus that produces a reaction product by bringing two or more raw materials into contact, and a method for producing the reaction product. [Solution] The cleaning method for the reaction apparatus 100 includes a first cleaning step of supplying cleaning liquid and inert gas to the reaction section M, a second cleaning step performed after the first cleaning step of supplying only cleaning liquid to the reaction section M, a third cleaning step performed after the second cleaning step of allowing the cleaning liquid to remain in the reaction section M, a fourth cleaning step performed after the third cleaning step of replacing the cleaning liquid remaining in the reaction section M with new cleaning liquid, and a fifth cleaning step performed after the fourth cleaning step of reducing the concentration of the cleaning liquid remaining in the reaction section M. In the first cleaning step, the cleaning liquid is supplied via the first line 1 and the inert gas is supplied via the second line 2, thereby supplying the cleaning liquid and inert gas simultaneously and allowing the reaction section M to flow in a gas-liquid mixed phase flow state.

The invention relates to the technical field of integrated forming of layered thin-wall components, in particular to a layered NiAl-Ti-Ni3Al composite thin-wall component and a preparation method thereof.According to the thickness of the prepared thin-wall component, the thickness and laying sequence of Ti foil, Ni foil and Al foil are reversely deduced, laminated materials comprising the Ni foil, the Al foil and the Ti foil are placed in a mold according to the set sequence to be subjected to first-stage reaction in sequence, and then the Ni foil, the Al foil and the Ti foil are subjected to second-stage reaction; and carrying out vacuum thermal forming and secondary reaction to obtain the composite thin-wall component which takes a Ti-Al foil layer as a transition phase and is alternately distributed with a NiAl phase and a Ni3Al + Ni mixed phase. By utilizing the characteristic that the diffusion efficiency of metal Ti and Al foils is lower than that of Ni and Al foils, the NiAl-Ti-Ni3Al composite material with NiAl and Ni3Al + Ni alternation with different layer thicknesses can be prepared, and the NiAl phase and the Ni3Al + Ni mixed phase are prevented from further diffusing towards the homogenization direction. The forming preparation problem that the NiAl-based alloy is difficult to manufacture through a traditional hot forming method is solved. And meanwhile, the NiAl-Ti-Ni3Al composite material solves the performance bottleneck of low room-temperature brittleness and high-temperature strength of a single-phase NiAl alloy.

Provided is a laminated structure in which epitaxial growth of a functional thin film can be achieved, problems such as interlayer peeling can be suppressed, and crack progression of the functional thin film can be suppressed. This laminated structure is provided with: a substrate, at least the surface of which is composed of a single crystal; a crystalline orientation control film that contains zirconium oxide (ZrO2) as a main component provided on the single crystal surface of the substrate; and a functional thin film provided on the crystalline orientation control film. The liquid crystal display device is further provided with a buffer layer containing a mixed phase of a crystalline phase and an amorphous phase, and the buffer layer is interposed between the substrate and the orientation control film. In addition, the crack penetration degree is 80% or less as determined by the ratio of the depth of the crack in the vertical direction to the film thickness of the functional film.

The invention relates to a complete miscible phase composite development method for thickened oil in a supercritical state, which comprises the following steps: selecting a gas medium and a composite oil displacement additive solution which comprises a bio-enzyme viscosity reducer and an oil displacement agent; calculating the ratio of the supercritical gas medium to the composite oil displacement additive liquid, so that the supercritical gas medium and the composite oil displacement additive liquid can form a fully mixed phase system; enabling the gas medium and the composite oil displacement additive liquid to generate a fully mixed phase system in proportion in a supercritical state; and continuously injecting the fully mixed phase system into the oil reservoir, and continuously maintaining the supercritical state of the gas medium underground. The method has the beneficial effects that in an oil reservoir, in a supercritical state, the bio-enzyme viscosity reducer is used for chain scission, the oil displacement agent is used for reducing the adsorption capacity, a complete mixed-phase system is used for increasing the swept volume, meanwhile, the interaction between fluid and crude oil can be enhanced, the crude oil is efficiently dissolved, the viscosity of the crude oil is reduced, the fluidity of the crude oil is improved, and the recovery rate of the crude oil is increased.

The application belongs to the technical field of aero-engines, and particularly relates to a control method for water flow of an ejection pre-cooling system of an aero-engine. The temperature and pressure values of water in a pipe before a nozzle are collected by a sensor. Based on the collected temperature and pressure values, a judging program is used to judge whether the water in the pipe before the nozzle is in a liquid phase, a gas phase or a gas-liquid mixed phase. Corresponding programs are called based on the judging result to control the water flow, so that the state of the water in the pipe before the nozzle is judged, and then the water flow is controlled.

The present application relates to the technical field of oil production, and discloses a kind of nanometer mixed phase flow sled device and the method for improving oil recovery factor by nanometer mixed phase flow water injection.The device includes sled shell, air compressor, air filter, nitrogen making mechanism, gas filter, gas flow meter, primary coupled nanometer pump, secondary coupled nanometer pump, mixed phase flow stabilizing tank, first mixed phase flow flow meter, buffer tank, delivery pump and second mixed phase flow flow meter.The method includes the following steps: selecting development well group;Screening suitable gas source, determining the diameter and volume concentration of nanoparticles;Multi-stage coupling preparation of nanoparticles;Determine the injection pressure, displacement, sweep radius, slug size and injection mode;Field staged injection;Dynamic monitoring.The present application successfully realizes the large-scale application of nanometer mixed phase flow oil displacement technology in low-permeability reservoirs through the development of nanometer mixed phase flow sled device and the development of nanometer mixed phase flow water injection method, significantly improves the recovery factor, and significantly reduces the cost of exploitation.

The utility model discloses a compressor skid-mounted device driven by hydraulic oil for gas-liquid mixed phase reinjection, relates to the technical field of skid-mounted compressors, and aims to solve the problems that in the prior art, the reinjection pressure of a compressor driven by hydraulic oil for gas-liquid mixed phase reinjection is often adjusted in a hydraulic pressure adjusting mode, the process is not efficient enough to control, and the reinjection efficiency is low. The pressure output is unstable, and the use effect is poor. A hydraulic cylinder and a compressor are arranged on the base, an adjustable stroke mechanism is arranged below the compressor, the compressor comprises a high-precision sliding seat, a high-precision sliding plate and a transverse moving device, the high-precision sliding plate is fixedly connected with the compressor, the high-precision sliding plate is slidably connected with the high-precision sliding seat, and the transverse moving device is fixedly connected with the high-precision sliding seat. The transverse moving device is slidably connected with a connecting seat, the connecting seat is fixedly connected with a high-precision sliding plate, a plurality of meshing teeth are arranged below the high-precision sliding plate, and a tooth holder is slidably connected into the high-precision sliding seat.

The invention relates to the technical field of ice crystal dynamics, and particularly discloses an experimental device and method for mixed-phase ice crystal impact. The experimental device for mixed-phase ice crystal impact comprises an ice crystal transmitting device, a mixed-phase ice crystal generating device, a high-speed dynamic imaging system, a constant-temperature target surface system and a computer, and is characterized in that the ice crystal transmitting device, the mixed-phase ice crystal generating device and the constant-temperature target surface system are oppositely mounted from top to bottom, and the central axes of the ice crystal transmitting device, the mixed-phase ice crystal generating device and the constant-temperature target surface system are overlapped; and the high-speed dynamic imaging system is correspondingly arranged at the outlet of the ice crystal launching device and the surface position of the constant-temperature target surface system and is connected with the computer. The experimental device provided by the invention not only can realize preparation of mixed-phase ice crystals, but also can realize impact observation of different target surfaces; the whole device has a high integration level, and different information in the ice crystal impact process can be accurately obtained.

The invention discloses an oil-water two-phase flow moisture content determination method based on multi-source data fusion, and belongs to the field of oil-water mixed phase moisture content determination, and the method comprises the following steps: S1, multi-source data acquisition; s2, performing classification preprocessing on the collected multi-source data set; s3, performing multi-scale decomposition, screening and feature extraction on the multi-source data by adopting an improved CEEMDAN algorithm to obtain effective time domain features and frequency domain features; s4, mapping the effective time-domain features and the frequency-domain features to a high-dimensional space by using an RBF kernel function, performing dimension reduction by using KPCA-LLE, and performing importance evaluation to obtain a final feature set; and S5, inputting the final feature set into a dynamic Stacking integrated prediction model to obtain a predicted value of the water content of the oil-water two-phase flow. By adopting the method for determining the water content of the oil-water two-phase flow based on multi-source data fusion, high-precision and high-robustness determination of the water content of the oil-water two-phase flow under complex flow pattern and environment fluctuation is realized.

The invention provides a fan and booster stage anti-icing and icing test device. The fan and booster stage anti-icing and icing test device comprises an air inlet runner; an exhaust flow passage; the test piece accommodating channel is arranged between the air inlet flow channel and the exhaust flow channel and is provided with an accommodating space for accommodating a fan and a booster stage test piece, the upper end of the test piece accommodating channel is communicated with the outlet end of the air inlet flow channel, and the lower end of the test piece accommodating channel is connected with the inlet end of the exhaust flow channel; the test piece accommodating channel is configured to enable the fan placed in the accommodating space and the axis of the booster stage test piece to be vertically arranged; and the power system comprises a driving device, and the driving device is configured to be in driving connection with the fan and the booster stage test piece which are arranged in the accommodating space so as to drive the fan and the booster stage test piece to rotate around a vertically arranged axis, so that the fan and the booster stage test piece can vertically intake air from the upper end of the test piece accommodating channel. According to the invention, the settlement problem of supercooled large liquid drops, mixed phases or ice crystal particles in fan and booster stage anti-icing and icing tests can be avoided.

The application discloses a phase change pneumatic working device and a working method, which comprise a heat supply mixed phase changer, a first pipeline, a second pipeline, a parallel pipeline composed of an extrusion gas source supply branch and a phase change medium supply branch, one end of the first pipeline is communicated with the parallel pipeline, the other end of the first pipeline is communicated with the heat supply mixed phase changer, the heat supply mixed phase changer is provided with an expansion working pipeline away from the one end of the first pipeline, one end of the second pipeline is communicated with the parallel pipeline, and the other end of the second pipeline is an air inlet. The extrusion gas source supply branch of the application can inject air into the mixed chamber of the heat supply mixed phase changer at the beginning of work, discharge the initial water in the mixed chamber, form a larger buffer gas chamber in the chamber, facilitate the subsequent blowing process, and effectively help the initial air to form an initial air cushion in the water tank, so that the blowing efficiency of the phase change power device in the early stage is effectively improved.

The invention belongs to the field of petroleum and natural gas exploration and development, and discloses a sea level rising and falling analysis method of a sea-land transition mixing system and a related device. The method comprises the following steps: acquiring drilling coring data, and establishing a semi-quantitative sequence interface recognition model of a sea-land transition mixed phase region; carrying out isochronous sequence division by utilizing a semi-quantitative sequence interface identification model, building an isochronous sequence framework, analyzing the development position of each rock, and summarizing a sequence filling model; and based on the sequence filling model, semi-quantitative analysis is carried out on lifting of the sea level by using the limestone distribution range, and a sea level lifting curve is drawn. According to the method, the geological principle is cut into argumentation, overall semi-quantification is achieved, and the common sequence stratigraphic related problems of the sea-land transition mixed facies area such as layering difficulty and no basis for sea level lifting are well solved. Therefore, the research on the deposition law, reservoir development main control factors and the like is promoted, and a key support is provided for limestone sedimentary facies evolution of a sea-land transition mixed system and an effective reservoir development distribution law.

The present invention belongs to the technical field of batteries. Provided are an all-solid-state secondary battery and a preparation method therefor, and an electric device. The all-solid-state secondary battery comprises a positive electrode, a negative electrode and a solid-state electrolyte layer arranged between the positive electrode and the negative electrode, wherein the solid-state electrolyte layer comprises a glass-ceramic mixed phase sulfide, and the glass-ceramic mixed phase sulfide comprises Li, A, S and X, A comprising at least one of N, P, Sb, As, Bi, Cu, Zn, In, Ge, Sn, Si, Al, Mo, Ti, Mn and V, and X comprising at least one of F, Cl, Br and I; and the positive electrode comprises a positive electrode film layer, and the positive electrode film layer comprises a ternary positive electrode active material. The thermal stability of the sulfide solid-state electrolyte and the ternary positive electrode active material can be improved, and thus the cycle performance of the battery can be improved.