1020results about How to "Avoid forming" patented technology

The invention relates to the field of functional master batch materials, in particular to a phase-change energy temperature-adjusting fiber master batch and a fat-burning fabric thereof. The phase-change energy temperature-regulating fiber master batch is prepared from a composite phase-change material and polyethylene glycol terephthalate slices through melt extrusion and granulation, the fat-burning fabric is prepared from the phase-change energy temperature-adjusting fiber master batch and polyethylene glycol terephthalate slices through melt spinning, network compounding and weaving processing. By introducing the microencapsulated phase-change material and the high-thermal-conductivity filler, in the melt extrusion process, the microencapsulated phase-change material and the high-thermal-conductivity filler can be uniformly dispersed in the matrix material to form stable fiber master batches, form an efficient thermal-conductivity structure and provide excellent thermal regulation performance; meanwhile, microencapsulation can improve the stability and dispersity of the phase-change material, and the fat-burning fabric is prepared through melt spinning and weaving of fiber master batches, so that the heat-conducting property of the product is improved, and the continuous fat-burning effect is achieved.

The invention discloses a voltage acquisition circuit and power supply equipment, the circuit comprises a voltage acquisition end, a near-end sampling unit, a far-end sampling unit, a voltage selection unit and an anomaly detection unit, and the voltage acquisition end is used for acquiring voltage signals. The near-end sampling unit is connected with an output port of the power supply equipment, and the near-end sampling unit is used for collecting the voltage of the output port of the power supply equipment to obtain a first voltage. The far-end sampling unit is connected with the power port of the load and is used for collecting the voltage of the power port of the load to obtain a second voltage. The voltage selection unit is connected with the near-end sampling unit, the voltage selection unit is connected with the far-end sampling unit, the voltage selection unit is connected with a voltage acquisition end, and the voltage selection unit is used for transmitting a target voltage to the voltage acquisition end. The abnormity detection unit is connected with the far-end sampling unit, and the abnormity detection unit is used for detecting a reverse connection fault or a disconnection fault of the far-end sampling unit.

The invention relates to the technical field of titanium alloy machining, and particularly discloses a forging method for improving the macrostructure uniformity of a TC2 titanium alloy large-specification bar, which is realized through cogging forging, twice alpha + beta phase region remelting dynamic beta recrystallization forging, two-phase region upsetting and drawing forging and two-phase region drawing forging. The TC2 titanium alloy bar with the specification of phi 300-phi 400 mm prepared through the method is fine and uniform in macrostructure and meets the 1-5 grade of a macroscopic rating chart in the product standard, and the structure of a ring forge piece subjected to die forging through the bar is greatly improved and meets the standard requirement.

The invention discloses an internal circulation rotating impinging stream electro-catalysis device and method for treating organic wastewater, and belongs to the technical field of sewage treatment equipment. The upper part of an inner cavity of an electrochemical reactor of the device is an electrochemical reaction area, and the lower part is a rotational flow generation area; the electrochemical reaction area comprises an outer ring anode, an annular net-shaped cathode, an inner ring anode and a central fixing shaft which are sequentially and coaxially sleeved from outside to inside, and the rotational flow generation area comprises an inner spiral generator and an outer spiral generator which are arranged on a spiral central shaft in a sleeving manner. The impinging stream technology and the electro-catalysis technology are combined, internal circulation impinging stream efficient treatment on organic wastewater is achieved through the rotational flow generation area, the device has the advantages of being high in treatment efficiency, small in occupied space, low in operation energy consumption and the like, the problem that bubbles adhere to the surface of an electrode can be solved, strong turbulent flow is formed through impinging, reaction dead zones are reduced, and the service life of the device is prolonged. Mass transfer in the electrochemical degradation device is enhanced, and the purposes of automatic operation and efficient degradation are achieved.

The invention provides a silicon-carbon composite material as well as a preparation method and application thereof. The silicon-carbon composite material comprises a porous carbon material; the silicon particles are distributed on the surface layer of the porous carbon material and in pore channels in the porous carbon material, the distribution concentration of the silicon particles in the surface layer of the porous carbon material is smaller than that of the silicon particles in the porous carbon material, and the particle size of the silicon particles in the surface layer of the porous carbon material is smaller than that of the silicon particles in the porous carbon material; the silicon dioxide layer is formed on the surface of the silicon particles; and the carbon coating layer is formed on the surface of the silicon dioxide layer. The lithium ion battery prepared by taking the silicon-carbon composite material as a positive electrode active material shows good electrochemical performance, and has relatively high specific capacity, good cycling stability and rate capability.

The invention relates to an aluminum steel dissimilar part and a preparation method thereof, and relates to the technical field of metal processing. According to the main technical scheme, an aluminum component of a set structure is deposited on a steel component through a friction extrusion deposition method, so that aluminum-steel interface connection is achieved, and an aluminum-steel dissimilar part is obtained; wherein the aluminum component is made of aluminum or aluminum alloy. According to the method, the aluminum-steel dissimilar part is prepared mainly through the friction extrusion deposition additive manufacturing process, a traditional aluminum-steel interface hard and brittle intermetallic compound layer is converted into a tough amorphous layer, and the problems that an existing aluminum-steel dissimilar part is low in interface tensile strength and prone to cracking are solved.

The invention relates to an aerosol moisture absorption and activation process observation system and an observation method thereof. The aerosol moisture absorption and activation process observation method comprises the following steps: collecting sample gases under different humidity conditions, and carrying out particle size screening on the sample gases to respectively obtain aerosols with different particle sizes; measuring scattering coefficients of the aerosols with different particle sizes under different humidity conditions; calculating scattering moisture absorption growth factors of the aerosols with different particle sizes according to the scattering coefficients, and performing inversion calculation on the scattering moisture absorption growth factors so as to obtain moisture absorption, water content, volume concentration and surface area concentration of the aerosols; according to the scattering coefficients corresponding to the aerosols with different particle sizes in the environment state, the dry state critical particle sizes of the aerosols with the dry state increased to 1 micrometer and 2.5 micrometers through water vapor condensation and the scattering moisture absorption growth factor of the aerosols with the environment state ranging from 1 micrometer to 2.5 micrometers are calculated in an inversion mode, and the effective supersaturation ratio of the cloud mist is obtained through inversion. And the aerosol moisture absorption and activation process observation system is arranged according to the aerosol moisture absorption and activation process observation method.

The invention belongs to the technical field of wafer processing, and discloses automatic semiconductor wafer cleaning and drying equipment which comprises a base, the base adopts a shell-drawing design, a rotating mechanism is arranged on the inner curved surface of the base, and second telescopic rods are symmetrically and fixedly installed in the middles of the front side and the rear side of the upper surface of the base. Push plates are symmetrically and fixedly installed on the inner sides of the telescopic ends of the two second telescopic rods, a cross-shaped base is fixedly installed on the upper portions of the inner side faces of the telescopic ends of the two second telescopic rods, and a mounting plate is fixedly installed in the middle of the upper surface of the cross-shaped base. By starting the ultrasonic mechanism, ultrasonic waves generated by the ultrasonic mechanism penetrate through cleaning liquid on the surface of the wafer to cause the surface of the wafer to vibrate up and down, so that attachments on the surface of the wafer are further separated, and the cleaning effect on the surface of the wafer is improved; and the amount of the cleaning liquid flowing into the inner cavity of the nozzle through the sliding shell is reduced, so that the problems of poor cleaning effect and serious waste of cleaning materials of the existing wafer cleaning device are solved.

The invention is suitable for the technical field of solar cells, and provides a solar cell, a cell assembly and a photovoltaic system, the solar cell comprises a silicon wafer, the surface of which is provided with a P-type doped region; the first P-type doped layer is arranged in the P-type doped region, boron elements and second elements are doped in the first P-type doped layer, the second elements are one or more elements except the boron elements in the IIIA family elements, and the doping activation concentration of the second elements in the first P-type doped layer is larger than that of the boron elements. According to the solar cell provided by the invention, light-induced degradation can be reduced, the power generation power of the cell module is improved, the surface recombination loss can be reduced, the passivation effect is improved, and the efficiency of the solar cell is improved.

The invention provides a new energy automobile charging pile, and particularly relates to the technical field of charging piles, the new energy automobile charging pile comprises a charging pile main body, a gun placing groove is formed in one side of the charging pile main body, a charging gun is placed in the gun placing groove, and a protective cover is fixedly arranged at the position, corresponding to the gun placing groove, of one side of the charging pile main body; through cooperation of parts such as a wire storage box and a winding shaft, a charging wire is protected, a conical barrel is attached to the outer wall of the charging wire to perform reciprocating horizontal displacement, dust and impurities attached to the outer wall of the charging wire are scraped off, and under the action of a circular scraper, the charging wire is prevented from being scraped off. And stubborn impurities attached to the outer wall of the charging wire or an ice layer condensed on the outer wall of the charging wire in winter can be further effectively removed, so that the impurities attached to the outer wall of the charging wire can be automatically removed after the charging wire is used every time, the charging wire is prevented from being corroded by some impurities, the use safety of the charging wire is ensured, and the service life of the charging wire is prolonged. And the service life is prolonged.

The invention relates to the technical field of high-chromium and high-molybdenum ferritic stainless steel, in particular to a preparation method of a high-chromium and high-molybdenum aluminum-containing ferritic stainless steel hot / cold-rolled plate. In order to solve the problems that in the prior art, in order to avoid brittle phase precipitation, the hot rolling and finish rolling temperature is high, and aluminum oxide particles and large-size carbon / nitride particles are likely to be formed, the novel preparation method of the high-chromium and high-molybdenum aluminum-containing ferrite stainless steel hot / cold-rolled sheet is provided. Comprising the following steps of smelting, casting, forging, hot rolling, annealing, acid pickling, cold rolling and recrystallization annealing, and through the forging process in the preparation method, large-size TiN and Ti / Nb (C, N) particles can be prevented from being formed; through the warm rolling process, a nanoscale Laves phase is separated out, meanwhile, a large deformation structure is formed, a large number of deformation microstructures such as shear bands and deformation bands are obtained, the problem of grain coarsening is solved, and the plasticity, toughness and corrosion resistance of the material are improved.

The invention discloses a gel electrolyte raw material high-temperature mixing device, and relates to the technical field of stirring and mixing, the gel electrolyte raw material high-temperature mixing device comprises a base, the base is fixedly connected with a stirring barrel, the stirring barrel is fixedly connected with a cover plate, the inner bottom of the stirring barrel is fixedly connected with a ring-shaped heating plate, the stirring barrel is internally fixedly connected with a conversion cylinder, and the conversion cylinder is fixedly connected with the cover plate. Through holes which are evenly distributed in the circumferential direction are formed in the side, close to the heating plate, of the conversion cylinder. On the basis of stirring and mixing of the first stirring blades, raw materials flow up and down and are mixed through the spiral conveying frame, the uniform mixing degree of the raw materials is enhanced, the raw materials flow to the low-temperature area through the high-temperature area, the raw materials are integrally and synchronously heated, and local overheating caused by uneven heating is avoided; therefore, thermal decomposition or chemical reaction initiation of some raw materials is avoided, harmful by-products are prevented from being generated, the chemical stability and electrochemical performance of the electrolyte are prevented from being influenced, meanwhile, the phenomena of phase separation and inconsistent viscosity change caused by temperature difference are avoided, and the formation of a non-uniform mixture is avoided.

The invention provides a polyimide microsphere coating modified battery diaphragm and a lithium ion battery. The battery diaphragm comprises a base membrane and a coating formed by coating the surface of the base membrane, the coating comprises polyimide microspheres with functions of adsorbing metal ions and exchanging lithium ions. According to the polyimide microsphere coating modified battery diaphragm and the lithium ion battery provided by the invention, the polyimide microspheres with metal ion adsorption and lithium ion exchange functions are utilized to form the base membrane coating, so that metal ions dissolved out of the battery can be effectively adsorbed, and the situation that the metal ions are deposited on a negative electrode to damage an SEI membrane is reduced; the cycle performance and the safety performance of the battery are improved, the lithium ion exchange and transmission of the diaphragm are improved, and the charge-discharge efficiency of the battery is further improved.

The invention discloses a command vehicle rack-mounted power supply management system, and the system comprises a power supply filtering module which carries out the filtering of power supply input, and removes the high-frequency electromagnetic interference possibly carried by a power line; the electromagnetic shielding module is used for shielding electromagnetic radiation inside and outside the system; the grounding management module is used for providing a unified grounding point of the system and ensuring that all electrical connections have the same potential so as to reduce electromagnetic interference generated by the difference of the grounding point; the signal transmission optimization module is used for ensuring that signal transmission channels inside and outside the system are not influenced by electromagnetic interference; the electromagnetic interference suppression module is used for suppressing transient high-frequency interference generated in the system; and the environment monitoring and feedback module is used for monitoring electromagnetic environments inside and outside the rack in real time and automatically adjusting an EMC protection strategy of the system according to monitoring data so as to adapt to different working conditions. The command vehicle can adapt to a complex electromagnetic environment and ensure stable operation of equipment in the command vehicle.

The invention discloses a preparation process of a high-thermal-conductivity composite substrate, and the process comprises the steps: fixing a pre-prepared skeleton on an insulating base layer, and enabling branches of the skeleton and the surface of the insulating base layer to jointly define a plurality of heat dissipation spaces; dividing the plurality of heat dissipation spaces into at least one high heat dissipation space and at least one low heat dissipation space according to the layout and heating characteristics of a predetermined electronic component; a first heat-conducting filler is injected into the high-heat-dissipation space, a second heat-conducting filler is injected into the low-heat-dissipation space, curing treatment is conducted, the heat conductivity coefficient of the first heat-conducting filler is larger than that of the second heat-conducting filler, and the first heat-conducting filler and the second heat-conducting filler are combined with the framework to form a heat-conducting layer; a functional layer of the printed circuit board is fixed on the surface of the heat conduction layer, the area, corresponding to the high-heat-dissipation space, of the functional layer is used for installing high-heat-dissipation electronic elements, and the area, corresponding to the low-heat-dissipation space, of the functional layer is used for installing low-heat-dissipation electronic elements According to the technical scheme, different heat conduction measures can be adopted for different heating elements.

The present invention relates to a device and method for controlling the edge precision of a stir friction extrusion solid-phase additive deposition layer, which belongs to the field of additive manufacturing technology, and includes a hollow stirring head, which can rotate, and a through hole is arranged at the central axis thereof for filling raw materials; four split sleeves are sleeved around the hollow stirring head, and the four split sleeves can move up and down independently. The present invention restricts the side wall forming of the additive layer, suppresses the generation of flash, arc-shaped side walls and semi-cylindrical materials at both ends of the additive layer, thereby reducing the subsequent cutting amount and achieving near-net forming of the component; by restricting the flow of plasticized material to the surroundings, the additive layer at the center and the edge is made denser, and the mechanical properties of the additive layer as a whole and the side wall are improved; it can realize multi-layer additives in the vertical plane and multi-pass additives in the horizontal plane, and can also realize precise forming of the side wall without changing the device, thereby improving the flexibility of the device.

The invention relates to the technical field of reverse osmosis membrane assembly cleaning, and particularly discloses a cleaning method of a reverse osmosis membrane. The cleaning method of the reverse osmosis membrane comprises the following steps: (1) washing the reverse osmosis membrane with product water of a reverse osmosis membrane system until concentrated water in the membrane is fully replaced with the product water; (2) immersing the cleaned reverse osmosis membrane into an acidic cleaning solution, and controlling the pH value to be 2-2.5; (3) washing the reverse osmosis membrane with product water of a reverse osmosis membrane system until concentrated water in the membrane is fully replaced with the product water; (4) immersing the cleaned reverse osmosis membrane into an alkaline cleaning solution, and controlling the pH value to be 11.5-12; and (5) repeating the steps (1)-(4), and flushing the reverse osmosis membrane with the product water of the reverse osmosis membrane system until the concentrated water in the membrane is fully replaced with the product water. The prepared reverse osmosis membrane has good cleaning efficiency, the permeation flux and the desalination rate of the reverse osmosis membrane are recovered, and the service life of the reverse osmosis membrane is prolonged.

The invention provides a culture pond water flow adjusting method and device, electronic equipment and a storage medium, and is applied to the technical field of recirculating aquaculture. The environment temperature of a culture pond and the variable quantity of the environment temperature are obtained, and when the environment temperature exceeds a first preset temperature interval and the variable quantity is small, the water flow is adjusted; the current water flow velocity is obtained to evaluate whether the water flow needs to be adjusted to adapt to temperature change and keep the stability of water quality and fish growth environment; through reference of historical data, an adjustment strategy of the water flow velocity can be formulated more scientifically, and unnecessary pressure on fishes due to blind adjustment is avoided. The water flow velocity is limited to be within a safe range, impact on fishes due to too fast change of the water flow velocity can be avoided, and comfortable and healthy growth of the fishes is ensured. Therefore, the method has the beneficial effects that the formation of a stagnant water area can be prevented, and the impact on fishes caused by too fast change of the water flow velocity can be avoided.

The invention belongs to the technical field of textile auxiliaries, and particularly discloses a multifunctional polyester type high-temperature leveling agent and a preparation method thereof.The leveling agent is prepared from, by mass, 1.5-2.5 parts of ester exchange catalyst, 5-25 parts of polyhydric alcohol, 0.5-1.5 parts of esterification catalyst, 3-40 parts of fatty acid, 15-30 parts of solvent, 20-40 parts of hydrophilic polyether chain segment and 20-40 parts of benzene-containing polyester chain segment. According to the multifunctional polyester type high-temperature leveling agent and the preparation method thereof, the prepared leveling agent has the effects of dispersing and solubilizing a dye, preventing a fabric from being scratched in the washing process, performing hydrophilic soft modification on the surface and the like, and due to the excellent dispersion and solubilization stability of the leveling agent in the full-temperature section, the heating rate can be effectively increased; the production speed is increased, wrinkles and scratches caused in the rapid temperature rising process of the fabric can be effectively prevented, and meanwhile the fabric is endowed with good hydrophilic and soft performance.

The degradable breast prosthesis shaping net bag with the heterogeneous hierarchical porous structure is composed of the large-aperture structure layer and the micro-aperture structure layer, the large-aperture structure layer and the micro-aperture structure layer are formed by combining degradable fibers in a staggered mode, the degradable breast prosthesis shaping net bag and the breast prosthesis are perfectly conformal, and the mechanical property and the tissue adhesion property needed by the net bag are provided; the two cooperate to realize the integration function of the prosthesis and the tissue, and an additional suture fixing device is not needed; the overall shape of the net bag is designed to be the hemispherical upper cover and the lower end cover edge, the process of adding the net bag and a prosthesis is simplified, the operation efficiency is improved, the net bag has excellent mechanical performance and shaping capacity, the micropore structure is beneficial to adhesion and immigration of cells, rejection reaction of a body is reduced, the incidence rate of capsular contracture is remarkably reduced, and the net bag is suitable for popularization and application. The invention has the characteristics of hierarchical porous structure design, mechanical shaping capability customization and capsule contracture prevention, and provides an innovative breast prosthesis shaping and biological performance improvement scheme for breast cancer patients.

The utility model discloses a vehicle-mounted dehumidification protection air temperature type carbon dioxide gasification pry. The device comprises a protection box body and a gasifier located in the protection box body, the gasifier is provided with a gasification tube bundle, the front end of the gasification tube bundle is connected with the liquid separation side of a high-pressure common rail pipeline, and the rear end of the gasification tube bundle is connected with a carbon dioxide outlet pipeline through a collection box; the top of the protection box body is provided with a fan, the side face is provided with a shutter, and the bottom is provided with a dehumidification protection net and a folding protection bottom plate. And the fan adopts a blowing type or induced air type working mode, and adopts different air inlet modes according to different air humidity conditions, so that the gasification efficiency and stability are improved. According to the forced convection heat exchange principle, based on the bottom dehumidification device, the inertia separation technology of gas-liquid speed steering is utilized, two different operation states of the draught fan are adopted, and all-weather efficient, stable and safe high-pressure gasification operation is achieved by matching angle adjustment of the shutters on the two sides and air injection and entrainment to remove the influence of the boundary effect of the wall face.

The utility model belongs to the technical field of optical elements, and particularly relates to an optical communication lens pipe cap which comprises a pipe cap base body, a lens packaging portion is arranged at the top end of the pipe cap base body, a limiting structure matched with an optical communication lens is arranged on the inner wall of the lens packaging portion in a surrounding mode, and a reinforcing structure matched with the lens packaging portion is arranged in the pipe cap base body. A first buffer face is arranged on the inner wall of the reinforcing structure and matched with the lens packaging part in a surrounding mode, a second buffer face is arranged on the inner wall of the pipe cap base body and matched with the reinforcing structure in a surrounding mode, a positioning structure is arranged at the bottom of the pipe cap base body in a surrounding mode, and a third buffer face is arranged on the inner wall of the positioning structure and matched with the pipe cap base body in a surrounding mode. According to the optical communication lens mold pressing forming device, gap gas in the pipe cap can be exhausted in the mold pressing forming process of the optical communication lens, and bubbles are prevented from being formed.

The invention relates to a semiconductor structure and a preparation method thereof. The semiconductor structure comprises a substrate; the base comprises a substrate and an epitaxial layer which are stacked; the main junction is positioned in the epitaxial layer; at least one field limiting ring located in the epitaxial layer; the junction termination extension region is located in the epitaxial layer; the junction termination expansion region and the field limiting ring have an overlapping region; the cut-off ring is located in the epitaxial layer; wherein the surfaces of one sides, far away from the substrate, of the main junction, the field limiting ring, the cut-off ring and the junction termination extension region are flush with the surface, far away from the substrate, of the epitaxial layer; the main junction, the field limiting ring and the cut-off ring are arranged at intervals along a first direction, and the first direction is perpendicular to a direction pointing to the main junction along the substrate; the field oxide layer is at least located on the sides, away from the substrate, of the epitaxial layer, the junction termination extension region and the cut-off ring; the field plates are respectively positioned on one sides, far away from the substrate, of the main junction and the field oxide layer; wherein the doping types of the substrate and the cut-off ring are the same, and the doping types of the main junction, the field limiting ring and the junction termination expansion region are the same. The semiconductor structure has a high withstand voltage level.

The invention belongs to the technical field of a new energy material lithium ion battery positive electrode material, and particularly relates to a tungsten-niobium co-doped nickel-rich ternary positive electrode material and a preparation method thereof. According to the preparation method, a precursor subjected to tungsten-niobium mixed pretreatment is calcined to obtain the double-element co-doped nickel-rich ternary positive electrode material. Compared with an undoped sample and a single-element doped sample, the prepared co-doped sample can effectively enhance the structural stability of the material, reduce the polarization of an electrode and improve the diffusion kinetics of lithium ions, so that the cycling stability and the rate capability of the battery are improved at the same time.

The invention provides a battery diaphragm with an ion adsorption function and a preparation method thereof. The battery diaphragm comprises a base membrane and a coating layer positioned on at least one side surface of the base membrane, the coating layer comprises coated ceramic particles, and each coated ceramic particle comprises a coating layer composed of a polyimide porous material and a core composed of ceramic particles. According to the battery diaphragm with the ion adsorption function and the preparation method thereof provided by the invention, the coating layer made of the polyimide porous material is formed on the surface of the ceramic particle, so that after the obtained coated ceramic particle is used for the battery diaphragm, non-lithium metal ions dissolved out from a battery positive electrode can be effectively adsorbed, and the service life of the battery diaphragm is prolonged. And the safety, rate, cycle and other performances of the battery are improved.

The invention provides a flushing system control method and device and related equipment, and relates to the technical field of medical control. The method is applied to a ventricular assist device and comprises the steps that ventricular assist device parameters are obtained, and the ventricular assist device parameters represent the running state of the ventricular assist device; determining a target flushing flow according to the parameters of the ventricular assist device; according to the target flushing flow, a flushing system is controlled to complete flushing of the ventricular assist device catheter. The target flushing flow is determined by acquiring the parameters of the ventricular assist device, so that the flushing process is accurately controlled, thrombus formation is prevented, the reliability of the ventricular assist device is improved, the safety of a user is guaranteed, meanwhile, the long-term performance of the ventricular assist device is optimized, the maintenance frequency and cost caused by improper flushing are reduced, and the service life of the ventricular assist device is prolonged. And more stable and effective support is provided for users.

The invention relates to a vehicle-mounted high-pressure liquid ammonia supply and liquid return control system and an engine, the vehicle-mounted high-pressure liquid ammonia supply and liquid return control system comprises a liquid ammonia tank, a liquid ammonia pump is mounted at a liquid outlet of the liquid ammonia tank, the output end of the liquid ammonia pump is communicated with a high-pressure plunger pump through a liquid inlet pipeline, the first output end of the high-pressure plunger pump is communicated with a high-pressure liquid ammonia rail, and the second output end of the high-pressure plunger pump is communicated with a low-pressure liquid ammonia rail; the output end II of the high-pressure plunger pump is communicated with a liquid return pipeline; the liquid return pipeline is communicated with a liquid return opening of the liquid ammonia tank; the first-stage liquid inlet heat exchanger is mounted on the liquid inlet pipeline; the liquid return heat exchanger is mounted on the liquid return pipeline; and the vehicle-mounted water cooling machine is thermally coupled with the primary liquid inlet heat exchanger and the liquid return heat exchanger. In-cylinder direct injection is adopted, the combustion process is optimized, and the combustion efficiency is improved. Heat exchange temperature control is carried out during liquid feeding, it is guaranteed that ammonia supply is in a liquid state, the temperature of liquid ammonia is prevented from rising to form a gas-liquid mixed phase during liquid returning, and a stable and reliable liquid ammonia supply and liquid returning system is provided for an engine.

This invention relates to a method for the combined leaching of high-silicon zinc roasted ore and high-sulfur zinc oxide powder, belonging to the field of hydrometallurgical technology. The high-sulfur zinc oxide powder is leached neutrally to obtain zinc oxide leaching residue and zinc powder leaching solution. The zinc powder leaching solution is then mixed with high-silicon zinc roasted ore slurry for controlled silica leaching of the high-silicon zinc roasted ore to obtain zinc ore leaching residue and zinc ore leaching solution. The zinc powder leaching residue and zinc ore leaching residue are mixed and then subjected to low-acid leaching to obtain low-leaching residue and low-leaching solution. The low-leaching residue is then subjected to hot acid leaching to obtain hot-leaching residue and hot-leaching solution. The hot-acid residue is then subjected to high-acid leaching to obtain lead-silver slag product and high-leaching solution. The hot-leaching solution is neutralized and reduced by high-sulfur zinc oxide powder to obtain neutralized solution and neutralized residue. The neutralized solution is then subjected to mineralization and iron precipitation to obtain hematite product and iron-removed solution. This invention can effectively control the leaching of silicon in the high-silicon zinc roasted ore leaching process, and simultaneously realize the oxidative leaching of sulfides in zinc oxide powder and the reductive leaching of zinc ferrite in zinc roasted ore, thus simplifying the leaching process of zinc roasted ore and zinc oxide powder.

The invention relates to the technical field of magnetic core material processing, and particularly provides an amorphous nanocrystalline magnetic core annealing processing device and method. The device comprises a heating furnace, wherein a magnetic core placing frame capable of moving in and out is horizontally mounted in the heating furnace in a sliding fit manner; the magnetic core placing frame comprises a sliding base, a rotary bottom support is vertically and rotatably mounted on the sliding base, a plurality of magnetic core trays are detachably mounted on the rotary bottom support and are sequentially inserted and stacked up and down, and the lowermost magnetic core tray is inserted and matched on the rotary bottom support; a driving assembly for driving the rotary bottom support to rotate is assembled at the bottom of the heating furnace; according to the magnetic core feeding and discharging device, the convenience of magnetic core feeding and discharging is improved; sufficient and uniform heating of the magnetic core is facilitated; and the fluidity of hot air in the heating furnace and the heating uniformity of the magnetic core are enhanced, and the generation of temperature gradient and the formation of internal thermal stress are avoided, so that the mechanical property quality, the microstructure consistency and the good magnetic property of the magnetic core subjected to annealing treatment are ensured.

The invention belongs to the field of thin films, and particularly discloses an atomic layer deposition method and a thin film prepared through the atomic layer deposition method. According to the deposition method, the reaction cavity, the two input pipeline systems, the outlet valve and the vacuum pump in the atomic layer deposition system are used for controlling precursor pulse deposition and inert gas purging conditions in the atomic deposition process, and the film deposition state is improved; the efficiency of purging and removing substances and impurity residues such as a precursor and a reaction product thereof is improved, the problem that the quality of a deposited film is affected by the impurity residues in a reaction system or on the surface of a sample in the film deposition process is avoided, the uniformity and compactness of film deposition and the coverage rate and conformal rate of a film on the surface of a base material hole are improved, the defects of the film are reduced, and the yield is improved. And the method can be applied to a substrate with a high aspect ratio structure to deposit the film, so that the purpose of manufacturing a large-size complicated special-shaped structure device is achieved.