60results about How to "Solve storage difficulties" patented technology

The invention relates to a compound microbial bacterial preparation for degrading crop straw and a preparation method and application of the compound microbial bacterial preparation. The compound microbial bacterial preparation is prepared from bacillus subtilis, bacillus cereus, aspergillus niger, aspergillus flavus, trichoderma reesei, trichoderma longibrachiatum, sporotrichum thermophile and phanerochaete chrysosporium through solid fermentation. The compound microbial bacterial preparation can shorten the decomposition time and improve the decomposition efficiency of the crop straw. Microorganisms generate various effective metabolic products with nitrogen fixation and phosphate solubilizing functions and a high disease and pest resistance effect in the fermentation process, so that the compound microbial bacterial preparation is favorable for improving the soil structure and the yield and the quality of crops.

The invention puts forward a steel-making dephosphorization agent and a preparation method thereof. Raw materials of the dephosphorization agent mainly comprise industrial waste rich in calcium oxide and iron oxide. The preparation method thereof comprises preparing the raw materials, crushing, mixing, stirring, smelting at a high temperature of 1500 to 1550 DEG C, cooling crystallization after melting and tapping, breaking to mold, and obtaining the calcium ferrite dephosphorization agent rich in CaO and Fe2O3 and having a particle size of 5 to 40 mm, wherein the prepared steel-making dephosphorization agent has a main phase of 2Cao.Fe2O3, a melting point of not more than 1280 DEG C, the melting point having a small fluctuation range, stable components, and a variety of equivalent physical and chemical indexes to steel-making dephosphorization agents prepared from high-purity materials. According to the invention, the method is low in production cost, and the product is stable in quality, pollution-free and easy to store. The method is beneficial to popularization and development of a dephosphorization technology.

The invention relates to a method for making dried roxburgh rose fruit. In the fabrication method, aiming at the defects of the existing roxburgh rose sun-drying and drying processing method such as oxidation of vitamin C under ultraviolet rays, great loss of nutrients and human health hazards caused by later-stage sulphur powder fumigation, a three-segment air-drying mode is adopted so that the fruit product is dried from inside to outside, the high temperature time is shortened, the probability of oxidation reaction is reduced, the greatest nutrient quantity of the fruit product is maintained, the problems such as cracked surface, poor appearance and high humidity in the fruit during the high-temperature sun-drying process are avoided, the sulphur fumigation procedure is not required, and the loss of the vitamin C is reduced to 3.2%-4.8% during the preservation period, thus solving the problems such as difficulty in preservation and nutrition loss.

The invention discloses a Chinese chestnut summer truffle mycorrhizal seedling culture method based on the symbiotic relation. The method specifically includes the following steps that semi-aseptic seedlings are cultured, and Chinese chestnut semi-aseptic seedlings are obtained through preparation; an inoculation solution and an inoculation matrix are prepared, and seedling culture trays are prepared; summer truffle inoculation treatment is performed; post-inoculation management is performed; the humidity of the matrix is controlled, proper ventilation is performed, and a certain temperature and a certain air humidity are kept; mycorrhizae are checked and planted outdoors. According to the culture method, the mycorrhizal seedlings can increase the survival rate of afforestation of Chinese chestnut trees; the mycorrhizae can increase the absorption area of root systems of the Chinese chestnut trees, promote growth and development of the Chinese chestnut trees and increase the yield of Chinese chestnuts; the Chinese chestnut summer truffle mycorrhizal seedlings achieve the overground and underground joint earnings, increase the utilization rate of land and increase the economic benefit per unit land area.

The invention discloses an image recognition method and system based on a lightweight convolutional neural network. The method comprises the steps of loading a pre-trained deep convolutional neural network model for image recognition; calculating a cutting factor of a convolution layer in the model by adopting a kernel-based sparsification method, cutting the convolution layer, further calculatinga cutting factor of each convolution kernel in the convolution layer which is not cut, and cutting the convolution kernel; for the clipped convolutional neural network model, replacing a standard convolution mode with a convolution separable packet convolution mode, and performing quantization coding on a weight coefficient matrix of a convolution kernel to obtain a lightweight convolutional neural network model; and training the lightweight model by using the image data set, and inputting a to-be-identified image into the trained lightweight convolutional neural network model for image identification. The lightweight image recognition model disclosed by the invention can be loaded to a terminal with limited computing power and storage resources, and has a relatively wide application prospect.

The invention discloses a preparation method of polyether polyol containing a foaming agent for rigid foam. The preparation method comprises the following steps: putting an initiator into a polyether reaction still; feeding a catalyst after pressure reduction; feeding part of epoxypropare step by step; raising temperature slowly; reacting for 0.5-1 hour; preserving heat for 2-3 hours; adding the mixture of epoxypropare and ethane epoxide; when the pressure drops to be lower than -0.04 MPa, vacuumizing for 1 hour; when the temperature drops to 80 DEG C, adding water, stirring and feeding into a phosphoric acid solution for reaction; adding a refining agent; 0.5 hour later, pumping nitrogen gas and vacuumizing; 2-3 hours later, reducing lowering the temperature to be lower than 85 DEG C for filter pressing and discharging to obtain the polyether polyol for rigid foam. The mixture of epoxypropare and ethane epoxide is adopted as a polyether sealing terminal agent, so that the prepared polyether polyol is higher in reactivity, and better in demoulding capability; meanwhile, the foaming agent Ecomate is mixed into the polyether polyol for transport and sell, the product is more safe and environment-friendly.

The invention discloses integrated household kitchen waste composting equipment which comprises a feeding and crushing device; a squeezing device; a feeding channel on which a strain inoculation portis formed; and a biochemical system, wherein kitchen waste enters the biochemical system sequentially through the feeding and smashing device, the squeezing device and the feeding channel, and a microbial inoculum enters the biochemical system through the feeding channel; the biochemical system comprises a biochemical bin and a post-decomposition bin; the biochemical bin is axially divided into aplurality of bin bodies, every two adjacent bin bodies are separated through a partition plate, holes are formed in the partition plates, the last bin body is a discharging bin, the other bin bodies are fermentation bins, a feeding port is formed in the first fermentation bin and communicated with the feeding channel, and a discharging port is formed in the discharging bin and communicated with the rear decomposing bin. The biochemical bin is provided with an aeration device, a stirring device and a heating device. According to the equipment, the kitchen waste is treated by adopting bin separation type fermentation so that the operation process is simplified, the labor and time costs are reduced, the fertilizer is rapidly formed, and secondary pollution is avoided while the recycling efficiency is improved.

The invention discloses a process used for refining crude titanium tetrachloride and capable of prolonging the production cycle. The process comprises the following steps: crude titanium tetrachloride and a vanadium-removing reagent as an organic matter are fed into a mixed-material feed system, then the obtained mixed materials is fed into a reactor and heated in the reactor by a heat source provided by a heating coil so as to complete the vanadium-removing process in the reactor; pure titanium tetrachloride steam is fed into a condenser, and after the pure titanium tetrachloride steam exchanges heat with circulating cooling water, the obtained steam enters a reflux accumulator, then part of the obtained steam as refluxed liquid is returned to a packed tower and then transported back to a reaction system, and the other part of the obtained steam is fed into an intermediate tank to detect, after passing the detection, this part of the obtained steam is fed into a finished-product storage tank, wherein in the process of refluxing, the reflux ratio is controlled at one second to one third; mud samples are taken out from the reactor every 6 to 8 hours so as to keep the solid-liquid ratio in the range of 30 to 60 percent; and the mud discharged from the reactor is transported to a molten salt chlorination system every 6 to 8 hours so as to recycle the titanium tetrachloride in themud. The process provided by the invention has the advantages that a production system can continuously and stably operate more than 24 months, thereby improving the production efficiency; and the titanium tetrachloride in the mud discharged from the reactor can be recycled, thereby reducing the production cost and reducing the environmental pollution.

The invention relates to a brewage method of Zaosu pear brandy, which comprises the following steps: (1) activating Saccharomyces cerevisiae VL1 in a yeast water bath to obtain activated yeast; (2) adding sodium ascorbate into juiced Zaosu pear, and regulating the sugar degree and pH value to obtain a raw juice; (3) adding the activated yeast into the raw juice, and fermenting at constant temperature to obtain a dry-type Zaosu pear wine juice; (4) distilling the dry-type Zaosu pear wine juice with strong fire, and removing the feint to obtain a primary distilled wine body; (5) distilling the primary distilled wine body with mild fire, and removing the foreshot; when the alcohol content of the distillate is less than or equal to 55 %vol, stopping distillation, and removing the wine body; (6) carrying out redistillation on the distillate with the alcohol content of less than or equal to 55 %vol and the feint with the alcohol content of less than or equal to 5 %vol to obtain brandy raw liquor; (7) preparing naturally aged and oak-added aged brandy unblended liquors; and (8) mixing the naturally aged and oak-added aged brandy unblended liquors proportionally, diluting, adding caramel and honey, blending, filtering and filling to obtain the Zaosu pear brandy. The method has the advantages of accessible raw materials and simple technique, and can easily implement industrial production.

The invention discloses a log analyzing device. The log analyzing device comprises a data acquisition module, a data storage module, a data analyzing module, and a visualization module. The data acquisition module is used to acquire related log information of various nodes of a management platform, is used for the data filtering of the log information, and is used to unify the formats of the log information of different types into the same format, and is used to transmit the log information to the data storage module and the data analyzing module. The data storage module is used for the real-time storage of the log information transmitted by the data acquisition module. The data analyzing module is used to analyze and process the log information transmitted by the data acquisition module by using an analyzer, and is used to transmit an analyzing processing result to the visualization module. The visualization module is used to display the analyzing processing result of the data analyzing module by a man-machine interaction interface. The log analyzing device is adapted to multi-node environment much better, and is used to solve problems of storage difficulties of data of various types and low reading efficiency, and therefore user experience is effectively improved by a display interface.

The invention relates to an automatically inflated air-powered automobile, which comprises a chassis and wheels; an air storage tank is arranged at the middle part of the chassis, the air inlet of the air storage tank is communicated with a vent of a pneumatic bumper through an air inlet pipe, and the air outlet of the air storage tank is communicated with the air inlet of an air-powered engine through a high-pressure air pipe; and the pneumatic bumper is arranged on the chassis at the wheels of the air-powered automobile. The vent of the pneumatic bumper is connected with the air storage tank of the air-powered automobile, the air in the pneumatic bumper flows out of a cylinder by using the pressure applied to the pneumatic bumper by the automobile, the air storage tank of the air-powered automobile is inflated, and power is supplied to the air-powered automobile, so that energy consumption is reduced and energy is reclaimed.

The invention discloses a compound bacterium agent for composting straw. The compound bacterium agent is characterized by comprising rhizopus, bacillus pluton, trichoderma viride and phomopsis asparagi B3; the compound bacterium agent contains rhizopus spore suspension with the quantity of fungal spores being no less than 104 / ml, bacillus pluton bacteria liquid with a bacterium OD (Oxygen Demand) value being 0.5 to 1, trichoderma viride spore suspension with the quantity of fungal spores being no less than 104 / ml and phomopsis asparagi B3 spore suspension with the quantity of fungal spores being no less than 104 / ml. The invention further discloses a preparation method of the compound bacterium agent. The same amount of bacterium agents prepared by the four types of bacteria are mixed to prepare the compound bacterium agent; the compound bacterium agent can be used for accelerating the composting speed and composting degree of the straw and improving the regeneration utilization rate of resources; meanwhile, the problems that the straw are difficult to transport and store are solved, atmospheric pollution caused by combustion of the straw is avoided and the environmental benefits are good.

The invention relates to a banner advertisement device and particularly relates to an automatically-folded banner advertisement display device which comprises two bases, a scroll, a motor, a cylindrical drum and a positioning sleeve and is characterized in that a dovetail groove is formed in the two bases; one end of the dovetail groove is a closed end, and the other end of the dovetail groove is an open end; the bottom wall of the dovetail groove inclines from the open end to the closed end; the scroll is arranged in the cylindrical drum, and a banner advertisement is rolled on the scroll; one end of the scroll is in rotating connection with the cylindrical drum, and the other end of the scroll is provided with a bulging block; a magnetic mechanism is arranged between the motor and the end, provided with the bulging block, of the scroll; the magnetic mechanism comprises a magnetic ring, a magnetic cover and an electromagnet; the magnetic ring is sleeved on the scroll and is close to the bulging block; the magnetic cover is sleeved on the bulging block; and the magnetic cover is provided with a conical cavity matched with the bulging block. By adopting the technical scheme of the invention, the automatically-folded banner advertisement display device is flexible in use, convenient to fold, scientific and reasonable in design, simple in structure and convenient to use.

The invention provides a partitioning method, a system and a terminal device of a data cube, wherein the method comprises the following steps of: constructing a data cube based on the original servicedata of a payment platform and dynamically filling the data into the data cube; partitioning the data cube according to preset dimension member information to obtain a plurality of sub data cubes andcorresponding partitioning rules; the plurality of sub-data cubes are respectively saved to different storage media. The invention solves the difficulty of mass data storage, and improves the response speed and the analysis performance of the data cube at the same time.

The invention discloses a pneumatic logistics transportation storage system integrating multiple storage bins. The system comprises a pneumatic input pipeline, a bidirectional converter, an intelligent conveying bin, a first pneumatic pipeline and a second pneumatic pipeline, the bidirectional converter is provided with an inlet end, a first outlet end and a second outlet end, the outlet end of the pneumatic input pipeline is hermetically connected with the inlet end of the bidirectional converter, and the first pneumatic pipeline and the second pneumatic pipeline are correspondingly connectedwith the first outlet end and the second outlet end respectively. The first pneumatic pipeline and the second pneumatic pipeline are each provided with a storage bin conveying system. Each storage bin conveying system comprises a baffle door, a baffle door switch motor and a storage bin. A first Roots fan is arranged on the pneumatic input pipeline, a second Roots fan is arranged on the first pneumatic pipeline, and a third Roots fan is arranged on the second pneumatic pipeline. By means of the system, goods can be accurately transported to a storage bin at a user side, and the user can intelligently take the goods in the storage bin.

The invention relates to an advertisement cloth device, in particular to a wall face advertisement cloth collecting and putting device. The wall face advertisement cloth collecting and putting device comprises a scroll, a motor, a cylinder and a locating clip. The wall face advertisement cloth collecting and putting device is characterized in that the scroll is arranged in the cylinder, the upper rolling of the scroll is provided with the advertisement cloth, one end of the scroll is rotationally connected to the cylinder and is provided with a rotating hand shank, the other end of the scroll is provided with a swelling block, a magnetic force mechanism is arranged between the swelling block and the motor, the magnetic force mechanism comprises a magnet ring, a magnetic shield and an electromagnet, the magnet ring is arranged on the scroll in a sleeving mode and is close to the swelling block, the magnetic shield is arranged on the swelling lock in a sleeving mode, the magnetic shield is provided with a cone-shaped cavity which is matched with the swelling block, and the magnetic shield slidably coordinates with the swelling block. According to the technical scheme, the wall face advertisement cloth collecting and putting device is flexible to use, convenient to take in, scientific and reasonable in design, simple in structure, and convenient to use.

The invention discloses an office table for pharmaceutics experiments. The office table comprises an experiment platform, wherein an accommodating box is arranged below the experiment platform, a waste liquor recovery chamber is formed on the inner left side of the accommodating box, a test tube collecting chamber is arranged in the middle of the upper part of the accommodating box, an experimental paper storage chamber is arranged on the upper right side of the accommodating box, the lower cavity of the accommodating box is divided into a toxic medicine storage chamber by an isolation board,an activated carbon adsorption block is arranged in a tube body of a main exhaust tube, a medicine preparation device is arranged on the upper left platform of the experiment platform, and universal rollers are also arranged at four corners of the bottom of the accommodating box. The problem of difficulty in waste liquor treatment is solved, the problem of difficulty in test tube storage in pharmaceutics experiments is solved, environmental pollution due to the fact that toxic gases float in the air is avoided, and besides, medicines in a plate are more uniformly prepared.

The invention discloses a Fresnel hologram frequency domain gating filtering method based on deep learning, and the method comprises the steps: employing a spectrogram generated after the Fourier transform of an off-axis Fresnel digital hologram generated through simulation as a sample needed by network training; enabling the feature extraction network to realize extraction of main reconstruction information of the holographic image by learning a relation between zero level and positive and negative level of holographic spectrograms at different angles; finally, filtering the part containing the effective information, performing Fourier inversion to obtain an interference-free hologram, performing hologram reconstruction to obtain a hologram only containing a negative level, and performing compression quality evaluation on analog data. According to the method, the hologram without zero order and other interferences can be generated, the hologram compression rate is improved, and the problems that real-time reconstruction of the hologram is difficult, the reconstruction effect is poor and the compression rate is insufficient are solved. The method has a wide application prospect in the fields of holographic three-dimensional display, holographic projection, information security, digital microscopic holography, intelligent transportation, medical treatment and the like.

The invention discloses a carbon-containing fly ash high-temperature melting treatment system. The carbon-containing fly ash high-temperature melting treatment system comprises a fly ash conveying assembly, a cyclone cylinder and a settling chamber, the fly ash conveying assembly is used for storing and conveying carbon-containing fly ash, mixing the fly ash with air and conveying the fly ash and the air into the cyclone cylinder together; the cyclone cylinder is used for carrying out combustion treatment on the fly ash input by the fly ash conveying assembly, so that the fly ash is melted when the temperature reaches above an ash melting point, slag and high-temperature flue gas are generated, and meanwhile, heat released by combustion of the fly ash is absorbed to generate steam for use; and the settling chamber is connected with the cyclone cylinder through a high-temperature flue gas flowing opening and is used for separating a small amount of fly ash carried in the high-temperature flue gas. According to the carbon-containing fly ash high-temperature melting treatment system, the fly ash is combusted, the fly ash is melted to form the slag when the temperature reaches the ash melting point or above, the carbon content of the slag is almost zero, the problem that the treatment difficulty of the carbon-containing fly ash is large is solved, recycling of combustion heat is achieved, and the efficiency and the heat efficiency of carbon-containing raw material combustion equipment are improved.

The invention discloses a household garbage disposal machine which comprises a bearing box, wherein a support foot pad is mounted at the bottom of the bearing box; a movable door is mounted on the side face of the bearing box; a controller is mounted on one side of the bearing box; a feeding box is mounted at the top of the bearing box; a motor is mounted in the feeding box; a radiating net is mounted on one side of the motor; a rotary rod is mounted on the other side of the motor; a spiral blade is arranged on the side face of the rotary rod in an embedded manner; and a porous plate is mounted at one end of the rotary rod and is welded with the feeding box. Through arranging a crusher, a drying cavity, a warm air blower and the feeding box, the household garbage disposal machine solves the following problems: in general, household garbage is not poured until being accumulated to certain amount, peculiar smell is generated when the household garbage is heaped indoors for a long time toaffect the life of a user, and resource waste is caused and the environment is polluted when certain household waste is directly discarded.

The invention provides a method for synthesizing 3-hydroxy-2-butanone. In a self-generated pressure reaction kettle, cheap and stable paracetaldehyde is used as raw material, thiazole salt is used as a catalyst, the catalytic synthesis of the 3-hydroxy-2-butanone by a 'one-pot' method is realized by the continuous reaction of the high-temperature depolymerization of the paracetaldehyde and the coupling condensation of acetaldehyde by catalysis, the conversion rate of the paracetaldehyde is 90-98%, and the selectivity of the 3-hydroxy-2-butanone is 85-95%. The invention has the obvious characteristics that the use of the raw material of the volatilizable acetaldehyde is avoided, the conversion rate of the raw material of the paracetaldehyde is high, the paracetaldehyde is utilized to a maximum limit, the technological operation is simple, the cost is low, the product is easy to separate, and a novel preparation method is provided for the industrial production of the 3-hydroxy-2-butanone.

The invention relates to a black potato storing equipment, and especially relates to integrated equipment for black potato storing and quantitate taking out. Technical question need to be solved provides the integrated equipment for black potato storing and quantitate taking out capable of storing and taking out black potato conveniently. According to solving technical question, the invention provides the integrated equipment for black potato storing and quantitate taking out, and the integrated equipment comprises a storage box, a storage bucket, first sliding-rail, first sliding-block, first spring, a steel wire rope, first guide pulley, first through-hole, second guide pulley, second through-hole and the like; upside inside the storage box is connected with the storage bucket by the way of bolted connection, middle part of left wall and right wall inside the storage box is connected with the first sliding-rail. Equipment capable of storing and quantitative taking out black potato conveniently is subjected, opening and closing of a dam-board is conducted.

The invention relates to a method for comprehensively recovering zinc, iron and carbon in blast furnace gas slime and belongs to the field of comprehensive utilization of secondary metallurgy resources. The method comprises the steps that the blast furnace gas slime is dried, crushed and fine ground, blast furnace gas slime powder is obtained and leached with a sulfuric acid solution, filter residues and filtrate are obtained through filtering, oxidization and neutralization are carried out on the filtrate for iron precipitation, iron residues and deironed liquid are obtained through filtering, the deironed liquid is extracted in an extraction device, and then reextraction is carried out; and electrodeposition is carried out on a zinc sulfate solution subjected to reextraction, and electric zinc is obtained. Besides, the filter residues obtained through leaching and the iron residues obtained through deironing are mixed evenly, iron concentrate powder is obtained through wet grinding and magnetic separation after magnetizing roasting under controlled proper conditions, flotation is carried out on tailings subjected to magnetic separation, and carbon in the tailings is recovered. According to the method, basically no pollutant is generated, the sulfuric acid solution and an extraction agent can be recycled, the problems of stacking of the blast furnace gas slime and heavy metal pollution are solved, environmental protection is facilitated, comprehensive utilization of resources is achieved, and the method meets the strategy of sustainable development.

The invention relates to the technical field of brazing filler metal production, and particularly relates to a composite brazing filler metal friction extrusion preparation device and a preparation method. The composite brazing filler metal friction extrusion preparation device comprises a first feeding mechanism, a second feeding mechanism, a forming mold and an auxiliary forming component, wherein the forming mold is provided with a mounting cavity, the auxiliary forming component is arranged in the mounting cavity, and a first extrusion forming cavity is formed between the auxiliary forming component and the forming mold; the first feeding mechanism conveys a brazing filler metal rod to a brazing filler metal feeding port, the second feeding mechanism conveys brazing flux powder into a brazing flux feeding port, and the auxiliary forming component can apply friction extrusion force to the brazing filler metal rod and the brazing flux powder which are arranged in the first extrusion forming cavity; and the forming mold is further provided with a second extrusion forming cavity communicating with the first extrusion forming cavity, and the second extrusion forming cavity extends in the direction forming an angle with the height direction of the forming mold. According to the device, the two processes of friction extrusion and lateral extrusion of the brazing filler metal rod and the brazing flux powder are realized, and continuous production of composite brazing filler metal is realized.

The invention relates to cassava distiller's grain organic fertilizer and a production method thereof, belonging to the technical field of fertilizer. The method comprises the steps of firstly, adding cellulase and effective microorganisms (EM) bacteria liquid into cassava distiller's grain, stirring until an obtained mixture is evenly mixed, carrying out anaerobic fermentation, and centrifuging a fermentation product; freeze-drying the obtained supernatant to obtain a material A; adjusting the pH value of the obtained precipitate residue to 6-7, then evenly mixing the precipitate residue with sugar mill filter mud, fulvic acid, zeolite powder and tobacco waste, and carrying out natural retting fermentation to obtain a material B; finally, evenly mixing the material A, the material B, magnesium sulfate, ammonium molybdate, epsilon-polylysine and potassium dihydrogen phosphate according to a certain proportion to obtain the cassava distiller's grain organic fertilizer. The cassava distiller's grain organic fertilizer is prepared by taking the cassava distiller's grain as a raw material, thus being low in production cost, reducing the environmental pollution and changing waste into valuable; the prepared organic fertilizer is obvious in yield increasing effect and has good application prospect.

The invention relates to a writing board for ore microscopic feature description, and belongs to the field of special stationery. The writing board comprises a bottom plate, a paper fixing clamp is arranged on the upper portion of the bottom plate, and the paper fixing clamp is used for fixing and clamping a mineral feature description record chart; an ore sheet clamping device is arranged on thebottom plate, is positioned at the upper part of the paper fixing clamp and is used for temporarily fixing an ore sheet; a fixing clamping groove is formed in the bottom plate and used for fixing andclamping the recording pen to prevent the recording pen from being lost; a hanging hole is formed in the top of the writing board bottom plate and is used for hanging the writing board in idle time; the writing board is further connected with a USB flash disk, and the USB flash disk is used for storing characteristic pictures, recorded by the computer, of the ore under the microscope. The writingboard has the advantages of being high in writing recording accuracy, multiple in function and easy and convenient to operate.

The invention relates to a method for preparing sandstone aggregate from manganese-silicon alloy hot melt slag. A heat preservation mold body with an opening in the top and a trapezoidal groove body structure as a whole and a heat preservation cover capable of covering the opening are adopted as a mold; liquid manganese-silicon alloy hot melting slag generated in manganese-silicon alloy productionis poured into the mold body; the heat preservation cover covers the opening of the mold body, standing is conducted for 12-36 h, then demolding is conducted, and a pouring block is obtained; by carrying out three-stage crushing on the prepared pouring block, a crushed material is obtained; by screening the crushed material to remove particles and powder of which the particle size does not meet the requirement, and finally coarse aggregate or fine aggregate is prepared; and the coarse aggregate or the fine aggregate is put into a sand making machine to prepare the sandstone aggregate suitablefor concrete or mortar. By adopting the method for preparing the sandstone aggregate, the brittleness of the manganese-silicon alloy slag is effectively reduced, the roughness of the surface of the sandstone aggregate is improved, the good adhesion degree of concrete or mortar is kept, and secondary utilization of the manganese-silicon alloy slag is effectively achieved.

The invention discloses a strong transient signal data compression method, and the method comprises the following steps: (1) analyzing lossy compression and lossless compression algorithms; (2) analyzing lossy compression and lossless compression effects; (3) combining lossy compression and lossless compression methods to realize adaptive data compression. The objective of the invention is to solve the problem that sampling frequency and measurement parameters increase data storage pressure. And meanwhile, multi-parameter and high-density composite signals are subjected to optimized storage. The method has the advantages that several mainstream data compression methods are utilized, and a data compression scheme of strong transient signals is explored. Data is divided into stable data anddynamic transient data by identifying strong transient signals, and on the basis, lossy and lossless compression effect research is carried out on the data. And finally, dynamic adaptive data compression is performed on the process data. Therefore, the problem of data storage is solved.

The invention discloses a binder-free preparation method for preparing a composite carbon-based fertilizer by using biogas residues, which comprises the steps of conducting pretreatment, specifically, collecting biogas residues after solid-liquid separation, air-drying and crushing to obtain dried biogas residue powder; performing high-temperature pyrolysis, specifically, transferring the pretreated dried biogas residue powder into a muffle furnace, and performing pyrolysis for a period of time under a pyrolysis temperature condition to obtain a biogas residue biochar material; preparing a biogas residue carbon-based compound fertilizer; and carrying out granulation preparation, specifically, placing the prepared composite biogas residue biochar base fertilizer in an extrusion die, and performing granulation under certain compression speed and pressure conditions to obtain the granular composite biogas residue biochar base fertilizer. The biogas residues are utilized for reproduction, and the environmental and economic burden is relieved; the process is simple, and the cost is low; a binder is not added, so that the method is environment-friendly; powder is granulated, so that the transportation and application difficulties are solved; and meanwhile, the granules are dried at high temperature after being formed, nutrients are tightly combined with charcoal functional groups, the nutrient release time is prolonged, and the fertilizer quality is improved.

The invention provides a movable multifunctional lunch break pillow. The movable multifunctional lunch break pillow comprises a back cushion device and an adjustment device, wherein the back cushion device is placed vertically and comprises a bottom component and a surface component; the surface component covers the bottom component and is overlapped with the bottom component horizontally; the adjustment device is fixed to the lower part of the bottom component, and comprises a fixing part and an adjustment part, wherein the fixing part is provided with sliding rails; the adjustment part comprises pulleys; the pulleys are arranged on the sliding rails in a sliding way. By using the movable multifunctional lunch break pillow provided by the invention, bad sitting postures can be corrected, the body fatigue can be relieved, the eyesight can be protected, the movable multifunctional lunch break pillow does not need to be detached, and the problem about storage can be avoided.