258results about How to "Fully absorbed" patented technology

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 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 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 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 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 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 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 invention discloses a quartz sand smelting furnace with a preheating function, and relates to the technical field of smelting furnaces, the quartz sand smelting furnace comprises a smelting furnace, a supporting seat is rotatably connected to the outer side wall of the smelting furnace through a motor, two furnace doors are symmetrically and rotatably connected to the top of the smelting furnace, and a preheating turning assembly is arranged at the top of the smelting furnace and comprises a hydraulic rod; the hydraulic rod is fixedly connected to the top of the supporting seat, a preheating furnace is fixedly connected to the telescopic end of the supporting seat, and two discharging doors are symmetrically and rotationally connected to the bottom end of the preheating furnace; the preheated quartz sand enters the smelting furnace, the temperature fluctuation in the smelting furnace can be reduced, the continuity and stability of the working process of the smelting furnace can be kept, meanwhile, the initial temperature of the preheated quartz sand is high, and the preheated quartz sand can reach the melting point and be molten more quickly after entering the smelting furnace; therefore, the melting time of each batch of quartz sand in the melting furnace can be shortened, and meanwhile, the energy consumption required for heating the quartz sand can be reduced, so that the production efficiency of the melting furnace is improved.

The invention discloses an efficient energy-saving overlapped heat exchanger in the technical field of heat exchangers, which comprises a bottom plate, two heat exchange barrels are arranged above the bottom plate, and the two heat exchange barrels are stacked above the bottom plate; first supporting frames are symmetrically and fixedly connected to the left side and the right side of the bottom of the lower side heat exchange barrel, and the two first supporting frames are fixedly connected with the bottom plate. Second supporting frames are symmetrically and fixedly connected to the left side and the right side of the bottom of the upper side heat exchange barrel, and the bottom ends of the two second supporting frames are fixedly connected with the lower side heat exchange barrel. A cleaning mechanism is arranged in the heat exchange barrel and used for cleaning up scale accumulated on the heat exchange pipe. A driving mechanism is arranged between the two heat exchange barrels and used for driving the cleaning mechanisms in the two heat exchange barrels to continuously operate at the same time. The device can be used for continuously cleaning scale on the heat exchange tube, so that the surface of the heat exchange tube can be ensured to be flat and smooth, and the heat transfer effect of the heat exchange tube is effectively ensured.

The slope protection device comprises a first brick body arranged in a hexagonal prism shape, the interior of the first brick body is hollow, a first through hole is formed in the upper end of the first brick body, and a plurality of first limiting bayonets arranged at equal intervals are formed in the position, close to the first through hole, of the upper end of the first brick body; a cylindrical second brick body is slidably connected to the first through hole, a plurality of first clamping blocks which are in one-to-one correspondence with the limiting bayonets and are slidably connected with the limiting bayonets are arranged at the upper end of the second brick body at equal intervals, a grid plate is arranged at the lower end of the second brick body, and a plurality of second through holes which are formed at equal intervals are formed in the outer side of the first brick body; and a plurality of third through holes which are formed at equal intervals are formed in the outer side of the second brick body. When it rains, rainwater can be stored, waste of water resources is reduced, and water and soil loss is reduced.

The utility model discloses a dry filter of a vacuum degassing furnace, which comprises a filter body and a filter body support used for supporting the filter body, the filter body is provided with an air inlet and an air outlet, and filter elements arranged in an array are arranged in a cavity of the filter body; a filter cover is arranged at the top of the filter body, a vent hole is formed in the filter cover, and a pulse valve is connected to the vent hole. The dry type filter of the vacuum degassing furnace can adsorb solid particle pollutants in air flow, ensures the vacuum environment of a smelting chamber, and can deposit, sweep and discharge the adsorbed particle pollutants in real time. The filtering device has a good filtering effect, and can ensure that the filtering effect is stable and reliable after long-time work.

The utility model discloses a kind of corrosion-resistant long-life stainless steel pipes applied to boiler, it is related to stainless steel pipe technical field, including first steel pipe, one end of the first steel pipe is provided with second steel pipe, the side of the first steel pipe is provided with fixed component, the inside of the first steel pipe is provided with corrosion-resistant component, the fixed component includes fixed ring, and fixed ring is fixedly connected in the outer wall of first steel pipe, the outer wall of the fixed ring is provided with outer thread, the outer wall thread of the outer thread is connected with mounting ring. The corrosion-resistant long-life stainless steel pipe applied to boiler, first by rotating first steel pipe drive fixed ring and mounting ring thread connection, realize preliminary fixation, subsequently hoop is pasted in the outer wall of both, screw nut extrusion hoop, further strengthen connection, the design of this double fixation, effectively improve the stability of first steel pipe and second steel pipe connection, reduce the risk of loosening, falling, guarantee use safety and reliable.

The utility model discloses a modularized pump pipe protection device which comprises a plurality of protection frames, a plurality of installation openings are evenly formed in the four side faces of each protection frame in the direction of a pump pipe, the installation openings are detachably connected with protection nets, and a connecting assembly is arranged between every two adjacent protection frames. The connecting assembly comprises a fixed connecting piece and two movable connecting pieces symmetrical about the pump pipe, a plurality of adjusting holes are evenly formed in the movable connecting pieces along the arc-shaped edges, and limiting holes matched with the adjusting holes are formed in the fixed connecting piece. By the adoption of the modular design, the protection module can be directly prefabricated in a factory or a workshop through the protection frame, the protection net and the connecting assembly, on-site welding machining is not needed, on-site connection and fixation are simple, meanwhile, the punching net pieces of the protection net can fully buffer and absorb energy of high falling objects, and the safety of the pump pipe is effectively protected.

The invention relates to the technical field of fertilizer preparation, and particularly discloses a method for preparing a liquid fertilizer from an isoleucine fermentation broth, which comprises the following steps: collecting the fermentation broth in an isoleucine fermentation tank, and filtering; carrying out low-temperature vacuum evaporation and concentration on the filtered fermentation liquor, and adding an enzyme preparation to carry out enzymolysis on long-chain protein in the fermentation liquor; adjusting the pH value of the fermentation liquor to 6-8; adding a potassium compound, a phosphide, a chelate and a reinforcing agent into the fermentation liquid; the moisture content in the fermentation liquid is reduced through filtration, and then the semi-solid fertilizer product is dried to obtain a powdery or granular fertilizer; the dried fertilizer is prepared into particles through a pelletizer; in the granulation process, the modified granulation agent is sprayed on the surfaces of formed fertilizer particles, better storage and transportation are facilitated, and meanwhile, in the use process of the fertilizer, nutrient supply is more sufficient, the action time is longer, the absorptivity of plants is more sufficient, and the plants grow faster and better.

The invention discloses a psychiatric relaxation and counseling device, which relates to the technical field of rehabilitation exercise, and comprises a bed frame and a kneading mechanism, wherein the kneading mechanism comprises a sandwich plate fixed to the bottom of the bed frame, a square cylinder shell is installed on the sandwich plate, an electromagnet and a mounting shell located above the electromagnet are fixedly installed inside the square cylinder shell, a pressing rod and a magnetic block are slidably connected inside the mounting shell, the pressing rod is infused with hypnotic essential oil, and the pressing head deflects and kneads the pressing position back and forth while pressing the muscle, so as to stimulate the muscle and soft tissue, promote blood circulation and metabolism, and thus achieve a better relaxation effect, and the acceleration of blood circulation accelerates the diffusion and absorption of essential oil molecules in the skin, so that this design can enable the human body to fully absorb the hypnotic essential oil, strengthen the use effect of the hypnotic essential oil, make the patient fall asleep more easily, effectively alleviate the patient's anxiety, irritability, insomnia and other problems, and achieve the effect of relaxation and counseling.

The utility model discloses a purpose lies in providing a kind of side hanging type guide rail conveying assembly of mute low abrasion's clothing assembly line, by the way of setting elastic material layer between hanging guide rail part on supporting guide rail and walking roller, to greatly reduce the abrasion between components, the durability and reliability of conveying system are promoted, while the noise that can be more fully absorbed when roller under external load state is supported is produced when moving or jumping collision occurs. The component contains supporting guide rail, drive chain and lateral mounting rack;Supporting guide rail contains main body supporting part and hanging guide rail part, walking roller is provided on lateral mounting rack, the walking roller can be rotated and walked along the hanging guide rail part;Elastic material layer is also covered and set on the hanging guide rail part;The lateral mounting rack local with the link of drive chain is connected and fixed, so that drive chain moves and can drive the lateral mounting rack moves relative to supporting guide rail.

The invention relates to the field of anesthesia atomization devices, in particular to anesthesia atomization inhalation equipment which comprises an anesthesia atomization mask, a rubber sealing layer is fixedly connected to the bottom end of the anesthesia atomization mask, a mounting valve is fixedly mounted on one side of the top end of the anesthesia atomization mask, and a support is fixedly connected to the side, close to the mounting valve, of the anesthesia atomization mask. The support is fixedly connected with a circular shaft, the circular shaft is provided with a plurality of limiting grooves arranged in an array mode, and the middle position of the circular shaft is rotationally connected with a support. Breathing of a patient is guided through the rotating three-color plate and sound with rhythm, the patient is guided from the two aspects of vision and hearing, and the patient is more comfortable to wear; according to the anesthetic atomization device, the optimal breathing rhythm, inspiration, breath holding and expiration of a patient can be effectively and rapidly found when the patient is subjected to anesthetic atomization, and aerosol particles obtained after anesthetic atomization can make more sufficient contact with the respiratory tract mucosa and be absorbed, so that the intra-pulmonary deposition rate of anesthetic medicine is increased, and the anesthetic atomization effect is improved.

The utility model relates to the technical field of calabash planting, and particularly discloses an intelligent irrigation device for calabash, which comprises a water storage tank, a water taking device, a water flowing pipeline, a stamping valve, a spray irrigation pipeline, a micro drip pipeline and a control module, the running water pipeline is connected with the water storage tank, the water taking device, the spray irrigation pipeline, the micro-drip pipeline and the stamping valve and is connected with a pressurizer and a first valve, the spray irrigation pipeline is connected with a spray irrigation mechanism and a spray irrigation valve, and the micro-drip pipeline is connected with a micro-spray pipeline, a main valve, a drip irrigation mechanism and a drip irrigation valve. The micro-spraying pipeline is connected with a micro-spraying valve and a micro-spraying mechanism, and the control module is electrically connected with the water taking device, the pressurizer, the first valve, the sprinkling irrigation valve, the main valve, the drip irrigation valve, the micro-spraying valve, the sprinkling irrigation mechanism, the micro-spraying mechanism and the drip irrigation mechanism. The utility model solves the problem in the prior art that the root system of the calabash cannot absorb water when the calabash is irrigated by micro-spraying.

The invention relates to the field of hygienic products, provides a bacteriostatic absorption core body and a preparation method thereof, and solves the problems that an existing bacteriostatic absorption core body does not have an anticoagulation function, and Ag < + > is easy to migrate to a human body in a manner of coating and adding Ag < + > or the bacteriostatic effect is relatively poor in a manner of coating and adding Ag < + >. The antibacterial absorption core body comprises a lower non-woven fabric layer, an SAP and modified PET fiber mixture layer, a sizing layer and an upper non-woven fabric layer which are sequentially laminated from bottom to top; wherein the SAP and modified PET fiber mixture layer is obtained by mixing SAP and modified PET fibers and then carrying out negative pressure adsorption, conveying and forming, and the modified PET fibers comprise the following raw materials: acetone, absolute ethyl alcohol, PET fibers, sodium periodate, dopamine hydrochloride, N, N-dimethylformamide, propylene glycol monomethyl ether, a silver ammonia solution, azodiol enamine, hydrochloric acid, N, N-dimethylformamide and deionized water.

The utility model discloses a demisting and reflowing device for a rolling line. The demisting and reflowing device comprises an air suction cover, a fan assembly, a suction pipeline, a demister and a reflowing pipe, a horn-mouth-shaped air suction cover is horizontally erected at the position, where a large amount of water mist is formed, of an inlet and outlet of the rolling mill, the lower end of the air suction cover is a large-diameter end, the upper end of the air suction cover is communicated with one end of the suction pipeline in a sealed mode, and the other end of the suction pipeline and one end of the backflow pipe are both communicated with the lower end of the vertically-arranged demister in a sealed mode. The other end of the return pipe extends to the slag sluice; a draught fan assembly is further arranged in the air suction cover, on-site mist is sucked away through the draught fan assembly and sent into the demister to be subjected to gas-liquid separation, and formed liquid drops flow into the backflow pipe due to gravity and flow back to the slag flushing trough through the backflow pipe to be recycled. According to the demister, water mist generated on site can be effectively removed, liquid drops collected by the demister can flow back to the slag sluice, and the consumption of circulating water is reduced.

The utility model provides a skin care atomizer, relates to skin care atomizer field, including atomization subassembly and control subassembly, the atomization subassembly includes shell, water tank, ultrasonic oscillator, mask, hose and through-hole, ultrasonic oscillator is installed in the center of water tank inner cavity bottom, water tank is fixed in the inner cavity of shell, and the through-hole is fixed in the water tank. The through hole is formed in an inner cavity of the mask, the mask, the hose and the through hole are used for supplementing water to the face, and the control assembly comprises a PID controller, a heating plate, a first temperature sensor, a second temperature sensor, an electromagnetic valve and a flow sensor; by arranging the control assembly, the effects of heating atomized steam and adjusting the flow of the atomized steam are achieved, the heating plate, the first temperature sensor and the second temperature sensor are used for adjusting the atomization temperature, the electromagnetic valve and the flow sensor are used for adjusting the atomization flow, and therefore the requirement for skin absorption can be met; the skin care effect of the face is effectively improved.

The invention relates to an image feature extraction method based on a self-supervised triple neural network. The method comprises the following steps: constructing an image feature extraction model based on a self-supervised triple neural network; the image feature extraction model comprises a student network encoder, an isomorphic teacher network encoder and a heterogeneous teacher network encoder, and a first teacher-student network distillation structure, a second teacher-student network distillation structure and a teacher-teacher network distillation structure are formed according to the three encoders; respectively carrying out distillation training on the first teacher-student network distillation structure, the teacher-teacher network distillation structure and the second teacher-student network distillation structure according to pre-designed feature difference regression loss and pre-designed feature diversity retention loss; and performing feature extraction on a to-be-extracted domain image by using the trained image feature extraction model. By adopting the method, the image feature extraction precision can be improved.

The utility model discloses a roller kiln tail gas treatment device which comprises a primary tail gas purification unit, a secondary tail gas purification unit, a tail gas purification unit and a tail gas purification unit, wherein a gas inlet of the primary tail gas purification unit is communicated with a roller kiln tail gas exhaust pipe; a gas inlet of the ammonia gas absorption unit is communicated with a gas outlet pipeline of the tail gas preliminary purification unit, and a purified gas exhaust port is formed in the ammonia gas absorption unit; the absorption liquid circulating unit comprises an absorption liquid storage tank, and the absorption liquid storage tank is respectively communicated with the liquid inlet and the liquid outlet of the ammonia gas absorption unit through pipelines; the solid-liquid separation and recovery unit comprises a cooling crystallization separation part and a mother liquor tank which are communicated through a pipeline, the cooling crystallization separation part is communicated with the absorption liquid storage tank through a pipeline, and the mother liquor tank is communicated with the absorption liquid storage tank through a pipeline. The waste of resources is avoided, the recycling of ammonia gas is realized, the energy consumption is reduced, and the production cost is reduced.

The invention belongs to the technical field of fertilizer preparation and tobacco planting, and particularly relates to a slow-release compound fertilizer and application thereof in tobacco planting. The slow-release compound fertilizer contains slow-release nitrogen and slow-release potassium and can meet the requirement for nitrogen and potassium absorption of tobacco in the whole development period, and then fertilization is conducted only once in the tobacco planting process, and the requirement for nutrients of tobacco growth and development can be met without topdressing; compared with conventional fertilization, under the condition that the application amount of the slow-release compound fertilizer is reduced by 10% or more than 10%, the slow-release compound fertilizer can still meet the growth and development of tobacco in the whole growth period, improve the lodging resistance of tobacco plants, promote the growth and development of the tobacco and improve the yield and quality of the tobacco, so that the effects of saving cost and increasing income are achieved; moreover, the slow-release compound fertilizer can improve the pH value of soil, so that the content of organic matters is kept stable, the characteristics of soil aggregates are remarkably improved, the physical structure of the soil is improved, the microbial diversity is improved, and the soil improvement effect is obvious.

The invention relates to the technical field of gas pressure reduction, in particular to a two-stage pressure reducer which comprises a valve body formed by connecting a main body and an aluminum upper cover in a threaded mode, and further comprises a gas source connecting mechanism arranged at a gas inlet in the main body and configured to be connected with an external gas source and filter entered gas; the two-stage pressure reduction mechanism is arranged in the gas source connecting mechanism and the parent body and is used for performing two-stage pressure reduction on the entering gas; the gas outlet mode of the flow meter is an OUT mode, and the flow meter is fixedly installed at the end of the main body through an adapter and is configured to display the flow of output gas; the gas flow channel is arranged in the parent body and is configured to introduce the gas subjected to two-stage pressure reduction into the flow meter and prolong the flow path of the gas in the parent body, so that the gas exchanges heat with the parent body before flowing into the flow meter; according to the gas pressure reducer, the gas flow channel is formed in the parent body, and the problem that gas is frozen when an existing gas pressure reducer works for a long time or is in a low-temperature environment is ingeniously solved.

The invention relates to a semiconductor structure and a forming method thereof, the semiconductor structure comprises a first substrate, the first substrate comprises a plurality of mutually discrete photosensitive areas and isolation areas located between the adjacent photosensitive areas, the first substrate comprises a first surface and a second surface which are opposite, and the second surface is used as a light incident surface; the deep trenches are located in the isolation regions, the deep trenches penetrate through the first substrate in the normal direction of the surface of the first substrate, each deep trench comprises a first trench region and a second trench region, the distance from the first trench region to the first surface is smaller than the distance from the second trench region to the first surface, the first trench region has a first projection on the surface of the first substrate, and the second trench region has a second projection on the surface of the second substrate; the second groove region has a second projection on the surface of the first substrate, and the second projection is located in the range of the first projection; the isolation structures are located in the deep trenches, each isolation structure comprises a light reflection layer, the utilization rate of incident photons is improved, light transmission and reflection losses are reduced, and then the photon detection efficiency is improved.