885results about How to "Fully absorbed" patented technology

The invention relates to a backside illuminated image sensor and a preparation method thereof, and an electronic device, and relates to the technical field of integrated circuits, and the method comprises the steps: providing a substrate which comprises an isolation layer and a plurality of first isolation structures which are arranged at intervals in a first direction parallel to the surface of the substrate; forming first isolation parts in the substrate, wherein the first isolation parts and the first isolation structures are arranged in a one-to-one manner and extend to the isolation layer through the back surface of the substrate; removing the substrate between the adjacent first isolation parts to obtain side wall semiconductor layers located on the side surfaces of the first isolation parts and first grooves between the adjacent side wall semiconductor layers; the size of the side wall semiconductor layer is gradually increased in the direction close to the isolation layer. And forming a bottom photosensitive layer in the first groove, and epitaxially growing a top photosensitive layer on the bottom photosensitive layer. And forming a second isolation part connected with the first isolation part in a gap between the adjacent top photosensitive layers, thereby improving the photoelectric conversion efficiency and the quantum efficiency.

The invention relates to the technical field of fertilizer production, and discloses a water-soluble fertilizer formula based on macroelements in gobi regions and a preparation process of the water-soluble fertilizer formula. The fertilizer comprises the following components in parts by weight: 30-50 parts of a nitrogen fertilizer, 40-80 parts of a phosphorus fertilizer, 80-150 parts of a potassium fertilizer, 5-10 parts of a chelating agent, 10-20 parts of a water-retaining agent, 15-30 parts of a soil conditioner, 8-15 parts of a modified composition and 2-5 parts of a trace element composition. Comprising the following steps: S1, raw material pretreatment, S2, mixing and stirring, S3, trace element addition, S4, granulation and drying, and S5, quality detection and packaging. The proportion of the nitrogen fertilizer, the phosphate fertilizer and the potash fertilizer is reasonably adjusted, the special requirements of crops in the gobi region for macroelements are met, the soil structure in the gobi region is effectively improved, the physical property of the soil is improved, and the soil acidity and alkalinity can be adjusted.

The invention discloses a biodegradable sanitary towel with polylactic acid as a main component. The biodegradable sanitary towel comprises a degradable core body, and the degradable core body comprises a surface layer, an absorption core layer and a bottom layer; the surface layer is a polylactic acid fiber non-woven fabric; the polylactic acid fiber non-woven fabric is a polylactic acid fiber spunlace non-woven fabric, a polylactic acid fiber hot air non-woven fabric or a polylactic acid spunbond non-woven fabric; the absorption core layer comprises an upper layer, a middle layer and a lower layer; the upper layer and the lower layer are made of polylactic acid fiber non-woven fabrics, and the middle layer is a mixture composed of polylactic acid two-component fibers and super absorbent resin. And the bottom layer is a degradable impermeable film which is a PHA modified polylactic acid film. The composite material has natural weak acidity and natural antibacterial activity, can create a weak-acidity antibacterial microenvironment for people, is skin-friendly, environment-friendly and healthy, and is an ideal selected material for disposable hygienic products. The natural antibacterial agent has the functions of natural bacteriostasis, weak acidity and the like, and is biodegradable.

The invention relates to the technical field of food processing, and particularly discloses a meat pickling machine for marinated product processing, which comprises a movable base, a roller assembly and a driving assembly are arranged on the movable base, a pickling material supply assembly is arranged on the movable base, the roller assembly comprises a cylinder, one end of the cylinder is connected with a conical feeding end, and the other end of the cylinder is connected with a pickling material supply assembly. A sealing cover is arranged at an opening of the conical feeding end, an end ring is concentrically arranged at the other end of the barrel, a supporting assembly which is rotationally connected with the end ring in a sealed mode is fixed to the movable base, and a rubbing and pickling mechanism is arranged in the barrel; according to the invention, the defects that pickling materials are always located at the bottom of a roller and cannot be in all-directional contact with the upper layer and the lower layer of a meat product for pickling in the pickling process of an existing roller rubbing pickling machine are effectively overcome, and the meat product in the falling process can be in hard contact with a convex part on a throwing and striking plate through the design of a rubbing pickling mechanism so as to realize collision; and pickling materials scattered on the surface can be fully absorbed, so that the pickling effect and speed of meat products are greatly improved.

The invention provides an air conditioner energy-saving waste heat recycling device which comprises an outer box body, a cold water tank, a heat preservation box, a waste heat heating assembly, a waste heat heat preservation assembly, a refrigerant main pipeline and a refrigerant auxiliary pipeline, the refrigerator main pipeline is arranged on the side face of the outer box body, and the cold water tank is arranged at the top in the outer box body; a cold water inlet is formed in the top of the outer box body, the cold water inlet is connected with the cold water tank, the waste heat heating assembly is arranged at the bottom of the cold water tank, the heat preservation box is arranged at the bottom of the waste heat heating assembly, and the waste heat heat preservation assembly is arranged in the heat preservation box. The waste heat temperature rising assembly and the waste heat heat preservation assembly are connected with the refrigerant main pipeline through refrigerant auxiliary pipelines. According to the waste heat heating assembly, the utilization efficiency of air conditioner waste heat is improved by slowing down the water flow speed, and waste heat loss is avoided.

The invention relates to the technical field of planting, sowing and fertilizing, in particular to an agricultural planting, sowing and fertilizing all-in-one machine which comprises a supporting moving frame, a main frame, a fertilizer box and a seed box, the main frame is fixed to the upper end of the supporting moving frame, the fertilizer box is located in front of the seed box, and the front end and the rear end of the supporting moving frame are rotationally connected with moving assemblies; a movable main frame is arranged between the two moving assemblies, the movable main frame is located below the fertilizer box and the seed box, the seed box and the fertilizer box are both fixedly inserted into the main frame, a plurality of ring frames are fixedly installed on the front face of the movable main frame, seed pipes fixedly penetrate through the axes of the ring frames, and seed conveying structures are slidably inserted into the upper ends of the seed pipes. Seeds in the seed box fall into soil through the seed pipe, then fertilizer in the fertilizer box falls around the seeds through the annular space between the fertilizer pipe and the seed pipe, and the fertilizer annularly surrounding the seeds can be fully absorbed by the seeds.

The invention discloses a drip irrigation device for agricultural irrigation, comprising a water pipe connected to a pump, the water pipe connected to the pump is connected to a number of irrigation mechanisms, the irrigation mechanisms are respectively connected to control mechanisms, the irrigation mechanisms are respectively connected to the control mechanisms, the irrigation mechanisms are provided with an irrigation bottom, an irrigation middle, and an irrigation top from bottom to top, the number of irrigation mechanisms and control mechanisms can be determined according to the conditions of agricultural land, the part inserted into the ground is designed to be in the form of a cross arrow, so that the insertion into the ground is more stable and not easy to topple over; by setting the control mechanism, the amount of water dripping into the ground can be controlled, which will not cause excessive water content in the root system and a decrease in yield; the device reduces agricultural irrigation costs, has low maintenance costs, and can still manually adjust the water output when the control mechanism is damaged, which is convenient and quick.

The invention belongs to the field of high-molecular polymer equipment, and particularly relates to a polyacrylonitrile slurry demonomerisation device and a demonomerisation method. Comprising an acetonitrile separation unit, a transpiration PAN capture unit and a slurry discharge unit, the acetonitrile separation unit comprises a main body tank and multiple groups of first tower plates, the multiple groups of first tower plates are arranged in the main body tank in a staggered manner, and the main body tank is provided with a slurry inlet pipeline, a steam inlet pipeline, a vacuumizing pipeline and a temperature control jacket; through combined arrangement of the inclined baffle and the horizontal segmental plate with the exhaust holes, fluid area spreading of slurry is achieved, and meanwhile separation of residual AN monomers in the slurry is achieved through combination of reverse steam introduction and slurry fluid spreading. A plurality of groups of staggered tower plates with segment structures are arranged in the upper auxiliary tank and are matched with a water mist spraying device, so that a small amount of transpiration PAN in slurry is captured and dissolved, and the demonomerisation device can be conveniently disassembled, assembled and maintained.

The invention relates to the technical field of power station battery packs, in particular to an energy storage power station capable of avoiding overheating of batteries. The battery pack comprises a main body frame, a row of roller tracks fixed on the main body frame, a battery placed on each roller track, a line integration device in conductive contact with the row of batteries, a water supply integration for supplying water to the row of batteries for cooling, a water drainage integration for draining water from the row of batteries, and a unit power integration for driving and applying pressure on one side of each battery; according to the invention, the batteries are wrapped by the cold water flow layer to uniformly and quickly absorb heat in the batteries, so that the batteries are quickly cooled, in addition, a row of batteries in the battery pack supply cold water in turn, and after the batteries are wrapped by the cold water, the cold water can stay for a period of time; therefore, cold water can fully absorb heat in the battery, utilization of the cold water is improved, and the concept of energy conservation and emission reduction of a power station is met.

The invention relates to an absorption device with a gas cavity and a manufacturing method of nitrile. According to the absorption device, gas-phase ammonia can be uniformly dispersed on the cross section of the tower, and the ammonia absorption efficiency can be improved. The absorption device comprises a shell, a gas inlet and a spraying device arranged in the shell; the spraying device comprises a spraying liquid inlet, a first spraying pipe in fluid communication with the spraying liquid inlet, and a plurality of second spraying pipes which are in fluid communication with the first spraying pipe, are perpendicular to the first spraying pipe and extend towards the two sides of the first spraying pipe. The spraying device comprises a second spraying pipe, a plurality of third spraying pipes which are in fluid communication with the second spraying pipe, are perpendicular to the second spraying pipe and extend towards the two sides of the second spraying pipe, and nozzles which are located at the tail ends of the third spraying pipes and are in fluid communication with the third spraying pipes, and the gas inlet is located below the spraying device in the direction of the central axis of the absorption device; and the vertical distance between the gas inlet and the spraying liquid inlet of the spraying device is 800-6000 mm.

The invention discloses a short pulse laser assisted continuous laser welding device and method. The method comprises the steps that materials are laid; a welding area is divided, and the whole welding area is divided into small areas; performing feature extraction on the small regions; constructing a speed mapping table according to the extracted different features; and planning a laser scanning path according to the speed mapping table. The short-pulse laser-assisted continuous laser welding device and method have the beneficial effects that near-infrared wavelength laser (such as 1064nm) is selected in the whole welding process, and the characteristics of high reflectivity of titanium alloy to the wavelength, high absorptivity of thermoplastic resin, relatively low absorptivity of a resin part in a thermosetting composite material and poor absorptivity of carbon fibers to the wavelength are utilized; laser energy is mainly concentrated on the thermoplastic resin layer, and local heating is achieved. The method comprises the following steps: dividing a region into small regions, extracting features, constructing a speed mapping table, controlling laser energy input, and reducing heat affected zones of the titanium alloy and the thermosetting composite material.

The invention provides a liquid fertilizer for improving tomato fruit saccharic acid quality and application, and belongs to the technical field of fertilizers. The liquid fertilizer for improving the tomato fruit saccharic acid quality provided by the invention is prepared from the following components in percentage by weight: 42 to 47 percent of organic nutrient solution, 10 to 15 percent of water-soluble macroelement compound, 1.5 to 2.5 percent of natural organic acid, 3.5 to 4.5 percent of plant source amino acid compound, 3 to 5 percent of compound biostimulant, 0.02 to 0.07 percent of polyglutamic acid and 0.2 to 0.4 percent of sugar alcohol medium trace element compound liquid, and 28-33% of sterile water. Through optimized formula design, the organic liquid fertilizer is rich in plant nutrition and bioactive substances, can effectively improve the healthy growth state of tomatoes, and meanwhile, remarkably improves the fruit quality.

The utility model discloses a pressure regulating silencer with a deslagging function, which comprises a silencing pipe, a pressure regulating sleeve sleeved on the silencing pipe and a silencing outer sleeve sleeved outside the pressure regulating sleeve, a silencing chamber is formed between the silencing pipe and the silencing outer sleeve, a deslagging silencing hole communicated with the silencing chamber is arranged on the silencing pipe, and a deslagging hole is arranged on the silencing outer sleeve. The residue discharging holes are formed in the silencing outer sleeve, so that independent residue discharging paths are formed among the residue discharging silencing holes in the silencing pipe, the silencing chamber between the silencing pipe and the silencing outer sleeve and the residue discharging holes in the silencing outer sleeve, and residues do not need to enter the nail fixing device any more. The nail fixing device effectively prevents the residues from entering the nail fixing device to cause corrosion, jamming and other damage to key components (such as a firing pin assembly), greatly prolongs the service life of related equipment components, reduces the maintenance frequency and cost caused by component damage, does not need to disassemble and assemble the nail fixing device main body to clean the residues in the nail fixing device, and improves the working efficiency. And the overall reliability and stability of the equipment are improved.

The invention discloses a chip micro-channel heat dissipation packaging structure, which comprises a substrate, an insulating layer I arranged on the substrate, a micro-channel II arranged in the insulating layer I, and a heat dissipation layer arranged on the insulating layer I. The heat dissipation layer comprises heat dissipation plates arranged on the upper surface and the lower surface of a re-wiring layer, and micro-channels I are arranged in the heat dissipation plates. A first through hole communicated with the first micro-channels in the upper heat dissipation plate and the lower heat dissipation plate is formed in the re-wiring layer, the first micro-channel in the lower heat dissipation plate is communicated with the second micro-channel, a second insulating layer is arranged on the heat dissipation layer, a seventh through hole communicated with the first micro-channel in the upper heat dissipation plate is formed in the second insulating layer, a plastic packaging layer is arranged on the second insulating layer, and a third through hole communicated with the second micro-channel in the lower heat dissipation plate is formed in the plastic packaging layer. A chip is packaged in the plastic packaging layer in a plastic mode, a third micro-channel communicated with the seventh through hole is further arranged in the plastic packaging layer, a vapor chamber is arranged on the plastic packaging layer, a fourth micro-channel communicated with the third micro-channel is arranged in the vapor chamber, the output end of the second micro-channel is communicated with a backflow channel, and the chip is connected with the substrate through a rewiring layer.

The invention relates to the technical field of agriculture, and discloses an organic-inorganic compound fertilizer containing humic acid, which comprises the following components in percentage by mass: 5-25% of nitrogen; 9%-26% of phosphorus; 8%-28% of potassium; 5%-10% of humic acid; 60%-80% of an organic material; 0.5%-2% of medium trace elements; 0.5%-1% of a microbial agent; the organic material comprises but is not limited to lignite, straw powder or a combination thereof; the medium trace elements comprise the following components in percentage by mass: 30%-40% of zinc; 20% to 30% of iron; 10% to 20% of calcium; 20% to 30% of magnesium; the microbial agent comprises one or more of nitrogen-fixing bacteria, phosphorus dissolving bacteria and potassium dissolving bacteria. Nitrogen, phosphorus, potassium, humic acid and medium trace elements are chelated, so that nutrients are in a stable release state in soil, and the problem of nutrient loss caused by too fast dissolution of a conventional fertilizer is effectively avoided.

The invention relates to high-low-lying saline-alkali soil conversion and migration equipment and a conversion and migration method, the high-low-lying saline-alkali soil conversion and migration equipment comprises a blocking ditch arranged between a high land and a low-lying land, a drip irrigation pipe is buried in the high land, and a migration permeable pipe extending into the blocking ditch is buried in the low-lying land; the aeration rods are inserted into the impervious layer of the low-lying land at intervals. In the application, through the design of the blocking ditches, water sources in rainy seasons can be collected and gathered, flushing water resources of the low-lying land can be recycled in the treatment process, water consumption of the low-lying land and the high land is neutralized, and waste of the water resources is reduced; and when the low-lying land is preliminarily treated, an impervious layer is destroyed by adopting heat energy and an aeration mode, the permeability of soluble salt and alkali is enhanced, and an efficient and reliable treatment mode is provided. In addition, the invention further provides a conversion and migration method, by means of the method, the use amount of water resources can be reduced, desalination and water supplement are subjected to balanced treatment, and the treatment and irrigation requirements are met.

The utility model discloses a heat accumulating type rotary furnace which comprises a rotary furnace body and a heat accumulating mechanism, the left end of the rotary furnace body is rotationally connected with a rotary furnace tail through a first bearing, the right end of the rotary furnace body is rotationally connected with a rotary furnace head through a second bearing, an inner lining plate is arranged on the inner arc face of the rotary furnace body, the rotary furnace body gradually inclines downwards from left to right, and a burner is arranged at the upper end of the rotary furnace head. A shell is arranged between the rotary furnace tail and the rotary furnace head, the rotary furnace body is located in the shell, and a PLC is arranged on the front surface of the rotary furnace head. According to the heat storage type rotary furnace, heat of the rotary furnace is recycled in a heat storage mode, the circulating heat can be conveniently called at any time, the heat energy utilization efficiency of the rotary furnace is improved, and the heat storage type rotary furnace saves energy and is environmentally friendly; and the flowing track of the flue gas in the heat storage part is guided, so that the heat storage body absorbs heat in the flue gas more sufficiently, and the heat storage effect of the heat storage body is improved.

The utility model relates to the technical field of control cabinets, and discloses an energy-saving heat dissipation type low-voltage control cabinet which comprises a control cabinet body, a refrigeration mechanism is fixedly connected to the middle of the lower end of the control cabinet body, and supporting legs are fixedly connected to the four corners of the lower end of the control cabinet body. An energy-saving mechanism is jointly and fixedly connected among four corners of the upper end of the control cabinet body, a cabinet door is movably connected to the front end of the control cabinet body through hinges, an observation window is fixedly connected to the upper portion of the front end of the cabinet door in a penetrating mode, and a control panel is fixedly connected to the lower portion of the front end of the cabinet door in a penetrating mode. And the middle side of the right part of the front end of the cabinet door is fixedly connected with a door handle. According to the energy-saving heat dissipation type low-voltage control cabinet, the refrigeration mechanism and the heat dissipation mechanism are arranged, the heat dissipation effect of the control cabinet is enhanced, the heat dissipation performance is improved, the energy-saving mechanism is arranged, electric energy can be provided for the whole control cabinet, and the energy-saving heat dissipation type low-voltage control cabinet is more energy-saving and environment-friendly and is suitable for being widely used.

The utility model relates to the field of battery cooling, in particular to a liquid cooling device, a battery box and an electric automobile, which comprises a heat exchange plate, the two ends of the heat exchange plate are fixedly connected with runner plates, and the runner plates at the two ends of the heat exchange plate are respectively a liquid inlet runner plate and a liquid outlet runner plate; n heat exchange flow channel units are arranged in the heat exchange plate, and N is larger than or equal to 2. A liquid inlet runner is arranged in the liquid inlet runner plate; a liquid outlet runner is arranged in the liquid outlet runner plate; one ends of the N heat exchange flow channel units communicate with the liquid inlet flow channel, and the other ends of the N heat exchange flow channel units communicate with the liquid outlet flow channel; the heat exchange flow channel unit comprises M heat exchange flow channel sets, M is an odd number larger than 1, and every two adjacent heat exchange flow channel sets communicate with each other. The heat exchange flow channel set comprises L heat exchange flow channels arranged in sequence, and L is a positive integer. According to the scheme, the technical problem that an existing liquid cooling device is poor in cooling and heat exchange effect is solved, and the heat exchange and cooling effect is improved.

The invention discloses a novel field passivation and high-reliability photovoltaic module which comprises a box body, an auxiliary structure is slidably connected to the inner wall of the box body, a waterproof layer is slidably connected to the inner wall of the box body, a baffle is fixedly connected to the top end of the waterproof layer, a cover plate is fixedly connected to the bottom end of the waterproof layer, and a sliding rod is fixedly connected to the left side of the cover plate. According to the novel field passivation and high-reliability photovoltaic module, a waterproof layer and a cover plate are arranged, so that the waterproof layer can effectively prevent moisture from permeating into the photovoltaic module at night or when the weather condition is poor, and the photovoltaic module is convenient to use. The problem that the photoelectric conversion rate of the photovoltaic module is influenced by the problems of battery short circuit, corrosion and the like caused by a humid environment is prevented, and the cover plate can block dust and sandy soil, so that the surface of equipment is kept clean and tidy to a certain extent, the surface is ensured to absorb light more sufficiently, and the photoelectric conversion rate is improved.

The invention discloses a compressed air storage tank, and relates to the technical field of air compression tanks, the compressed air storage tank comprises a sponge round block, the sponge round block is used for absorbing accumulated water in a round tank body until the absorbed accumulated water slowly overflows from the lower part in a saturated state, and an annular through hole is formed in the top of the sponge round block; according to the compressed air storage tank, a sponge round block is arranged at the bottom of a bottom opening round hole to absorb accumulated water, and the accumulated water is slowly discharged in a saturated overflow mode; and a plurality of sponge round blocks are arranged in the annular cylinder to reduce the air permeability of the sponge round blocks, and the situation that compressed air penetrates through the sponge round blocks and slowly overflows to the outer side to cause air leakage when little accumulated water is accumulated in the round tank body is prevented.

The present invention discloses a direct-fired semi-gasification biomass boiler for straw bale burning, comprising: a boiler body, a straw drying and breaking chamber, and a chain grate; the boiler body comprises a boiler shell and a furnace, and the boiler shell is fixed to the top of the furnace; a rear arch, a front arch, a partition wall, etc. are fixed in the furnace and have a semi-gasification combustion chamber, a fixed carbon burnout chamber, and an enhanced combustion chamber; the chain grate is horizontally arranged at the bottom of the furnace and a plurality of air chambers are arranged below it along its conveying direction; the straw drying and breaking chamber is arranged in front of the feed port of the boiler body, and a straw breaking device is arranged inside it. The present invention solves the problem of direct-fired straw bale burning by arranging a straw breaking device; due to the use of a chain grate, continuous feeding and continuous slag discharge are possible; at the same time, the staged combustion of the semi-gasification combustion chamber, the fixed carbon burnout chamber, and the enhanced combustion chamber not only improves the combustion effect, but also produces a low concentration of nitrogen oxides, achieving the effect of energy saving and environmental protection.

The invention belongs to the technical field of new energy automobiles, and discloses an anti-seismic chassis for a new energy automobile, which comprises an automobile chassis, a battery pack is mounted in the automobile chassis, through the arrangement of a buffer mechanism, when a bearing plate vibrates along with the chassis, a moving column can slide up and down in a sliding groove of a fixed plate, and when the moving column moves downwards due to vibration, the moving column can move up and down. The telescopic spring is compressed to play a preliminary buffering and damping role, meanwhile, the lantern ring moves downwards along with the moving column, the rotating blocks on the two sides of the lantern ring rotate to drive the connecting rod and the auxiliary rod to move, the buffering rod slides in the lantern ring, the reset spring is stretched, and vibration energy is further absorbed and dispersed; the influence of vibration on the battery pack is effectively relieved, the automobile chassis and the battery pack can be built, the overall stability of the chassis is enhanced, the impact of vibration on key components of the chassis is effectively relieved through the buffering mechanism, and chassis structure stress concentration and fatigue damage caused by local strong vibration are reduced.

The invention relates to the technical field of electrothermal film heaters, and provides a semiconductor micro electrothermal film heater and a using method thereof.The semiconductor micro electrothermal film heater comprises a barrel body, an electrothermal film glass plate is fixed in the barrel body, a base plate is arranged above the electrothermal film glass plate, and a flow dividing cover is arranged below the electrothermal film glass plate. External air is pumped into the lower clamping cavity through a pipeline and blown into the heat preservation cover through a first guide hole in the bottom of the lower clamping cavity, the vertical section of the heat preservation cover is oval, the bottom of the heat preservation cover gradually protrudes towards the inner pipe body, and then heat storage particles on the lower layer in the heat preservation cover are blown to move under the action of airflow; the heat storage particles on the bottom layer roll along the bottom wall of the heat preservation cover and then fall back to the upper layer area under the action of gravity through the arch wall at the edge of the heat preservation cover, heat of air in the heat preservation cover can be fully absorbed through circulating rolling of the heat storage particles on the bottom layer and the upper layer, and meanwhile initial air entering the heat preservation cover can fully absorb heat.

The invention belongs to the technical field of air texturing machine water supply, and particularly relates to an air texturing machine water supply device capable of achieving accurate metering, the air texturing machine water supply device comprises a water supply cavity, a metering cavity and an intelligent metering system, the water supply cavity comprises a filament spray pipe and a nozzle, and the metering cavity comprises an air compressor, an air pipe, a water pipe, a valve cavity and a deformation pipeline; the filament spray pipe is fixedly installed above the inner wall of the water supply cavity, filaments are sprayed into the filament spray pipe, a filament hole is formed in the right side of the water supply cavity, the filaments are inserted into the filament hole, the nozzle bearing is installed on the inner wall of the water supply cavity and located on the left side of the filaments, and the metering cavity is fixedly installed on the left side of the water supply cavity. The air compressor is fixedly installed on the left side of the inner wall of the metering cavity, and the device solves the problems that an existing air texturing machine is not accurate enough in water metering and conveying, poor in metering precision, high in energy consumption, poor in adaptability, poor in management and the like, and particularly solves the problem that the filament production quality cannot be guaranteed.

The invention discloses a high-density perovskite thin film, a preparation method and application of the high-density perovskite thin film in X-ray detection. The preparation method of the high-density perovskite thin film comprises the following steps: coating an electron transport layer with a precursor stock solution containing a perovskite material and an auxiliary crystallization additive, and then drying. The perovskite material is selected from one or more of FACs2AgBiBr6, FAMACsPbBr3, CsPbBr3, MAPbBr3, Cs2AgBiBr6 and MAPbI3, and the perovskite material is selected from one or more of FACs2AgBiBr6, FAMACsPbBr3, CsPbBr3 and MAPbI3; the auxiliary crystallization additive is selected from thiourea, biuret, ammonium chloride and the like; the precursor solvent is selected from dimethyl sulfoxide, dimethyl formamide and the like. By adding the auxiliary crystallization additive, homogeneous crystallization of perovskite is promoted, and the prepared film has high compactness, low defect rate, flat surface and controllable thickness, and is suitable for large-area devices.

The utility model relates to municipal engineering, and discloses a flower box which comprises a base, a water pipe network, a fence, a first connecting part and three second connecting parts. The first connecting part is further provided with a water adding opening, namely, water is added into the water adding opening, enters the water outlet pipe through the first connecting part and the connecting pipe, flows out of the water outlet hole and enters the lower side part of the soil in the fence, and root systems of green plants and flowers in the flower box can absorb the water conveniently. The flower box can be matched with an opening in the upper portion of the flower box, and water is poured to the soil surface and seeps downwards in the soil. The flower box has the advantages that soil in the flower box can fully absorb water, production and survival of green plants and flowers are facilitated, and attractiveness of the appearance of the flower box is considered.

The invention discloses horizontal multifunctional modular box equipment for air purification, and relates to the technical field of waste gas treatment.The horizontal multifunctional modular box equipment comprises four sets of filter boxes which are communicated in a W shape, a plurality of filter box drawers are arranged in the middles of the filter boxes, and the filter box drawers are communicated through first connecting cylinders in a sealed mode; a honeycomb filter block is arranged in the middle of the inner side of the filter box drawer, a limiting sealing block and a drawer sealing plate are sequentially installed at one end of the honeycomb filter block, the periphery of the limiting sealing block is movably sleeved with a second supporting frame and a sealing limiting frame, the sealing limiting frame is fixedly connected with the second supporting frame, and a sealing limiting plate is arranged at the other end of the honeycomb filter block. The honeycomb filter block can be taken out and replaced in a sealed manner by intermittently pulling and moving the drawer sealing plate twice, the active bacterial liquid can be prevented from escaping, the work of other honeycomb filter blocks can be prevented from being hindered, and the filter box can continuously work, so that the harmful gas is permanently, efficiently and massively filtered and absorbed.

The invention relates to the technical field of building roof greening, and discloses a building roof greening and rainwater recycling irrigation system which comprises a microcontroller, a greening module arranged on a building roof, a rainwater recycling module connected with the greening module and an irrigation module. The microcontroller is electrically connected with the greening module, the rainwater recycling module and the irrigation module; the greening module sequentially comprises a water collecting layer, a filtering layer, a protective layer, a pervious concrete layer, a nutrient soil layer and a vegetation layer from bottom to top. The rainwater recycling module comprises a water pumping pipe arranged at the top of the side wall of the water collecting layer and a rainwater recycling box connected with the water pumping pipe; the rainwater recycling box comprises a first filter box, a second filter box, a disinfection box and a clear water box which are sequentially arranged from top to bottom; the irrigation module comprises a first water suction pump connected with the clear water tank, a water outlet pipe connected with the first water suction pump, a water conveying pipe connected with the water outlet pipe, a drip irrigation pipe connected with the water conveying pipe and a water dropper. By means of the system, maximum utilization of rainwater resources and continuous improvement of the ecological environment are achieved.

The utility model provides a front auxiliary frame and a vehicle. The front auxiliary frame is provided with auxiliary frame longitudinal beams arranged on the left side and the right side respectively, auxiliary frame energy absorption boxes arranged on the left side and the right side respectively and an auxiliary frame front cross beam. The rear ends of the auxiliary frame energy absorption boxes on the two sides are connected with the front side of the auxiliary frame front cross beam, the front ends of the auxiliary frame longitudinal beams on the two sides are connected with the rear side of the auxiliary frame front cross beam, and in the left-right direction of the whole vehicle, all the ends of the auxiliary frame front cross beam are provided with protruding parts protruding outwards relative to the auxiliary frame energy absorption boxes on the corresponding sides. According to the front auxiliary frame disclosed by the utility model, the collision participation degree of the front auxiliary frame can be increased by utilizing the contact between the convex part and the collision barrier during small offset collision, so that the front auxiliary frame can absorb and transmit collision force more sufficiently, and the collision performance of the front auxiliary frame can be improved.